1df828598a755732e717b0adca82f884e44d37576Mugunthan V N/* 2df828598a755732e717b0adca82f884e44d37576Mugunthan V N * Texas Instruments Ethernet Switch Driver 3df828598a755732e717b0adca82f884e44d37576Mugunthan V N * 4df828598a755732e717b0adca82f884e44d37576Mugunthan V N * Copyright (C) 2012 Texas Instruments 5df828598a755732e717b0adca82f884e44d37576Mugunthan V N * 6df828598a755732e717b0adca82f884e44d37576Mugunthan V N * This program is free software; you can redistribute it and/or 7df828598a755732e717b0adca82f884e44d37576Mugunthan V N * modify it under the terms of the GNU General Public License as 8df828598a755732e717b0adca82f884e44d37576Mugunthan V N * published by the Free Software Foundation version 2. 9df828598a755732e717b0adca82f884e44d37576Mugunthan V N * 10df828598a755732e717b0adca82f884e44d37576Mugunthan V N * This program is distributed "as is" WITHOUT ANY WARRANTY of any 11df828598a755732e717b0adca82f884e44d37576Mugunthan V N * kind, whether express or implied; without even the implied warranty 12df828598a755732e717b0adca82f884e44d37576Mugunthan V N * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13df828598a755732e717b0adca82f884e44d37576Mugunthan V N * GNU General Public License for more details. 14df828598a755732e717b0adca82f884e44d37576Mugunthan V N */ 15df828598a755732e717b0adca82f884e44d37576Mugunthan V N 16df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/kernel.h> 17df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/io.h> 18df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/clk.h> 19df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/timer.h> 20df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/module.h> 21df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/platform_device.h> 22df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/irqreturn.h> 23df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/interrupt.h> 24df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/if_ether.h> 25df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/etherdevice.h> 26df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/netdevice.h> 272e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#include <linux/net_tstamp.h> 28df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/phy.h> 29df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/workqueue.h> 30df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/delay.h> 31f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N#include <linux/pm_runtime.h> 322eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N#include <linux/of.h> 332eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N#include <linux/of_net.h> 342eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N#include <linux/of_device.h> 353b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N#include <linux/if_vlan.h> 360ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann#include <linux/mfd/syscon.h> 370ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann#include <linux/regmap.h> 38df828598a755732e717b0adca82f884e44d37576Mugunthan V N 39739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N#include <linux/pinctrl/consumer.h> 40df828598a755732e717b0adca82f884e44d37576Mugunthan V N 41dbe34724c08ea25d39d31735120077013fbbb6fbMugunthan V N#include "cpsw.h" 42df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include "cpsw_ale.h" 432e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#include "cpts.h" 44df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include "davinci_cpdma.h" 45df828598a755732e717b0adca82f884e44d37576Mugunthan V N 46df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \ 47df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_DRV | NETIF_MSG_LINK | \ 48df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_IFUP | NETIF_MSG_INTR | \ 49df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_PROBE | NETIF_MSG_TIMER | \ 50df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \ 51df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \ 52df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \ 53df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_RX_STATUS) 54df828598a755732e717b0adca82f884e44d37576Mugunthan V N 55df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_info(priv, type, format, ...) \ 56df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 57df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 58df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, format, ## __VA_ARGS__); \ 59df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 60df828598a755732e717b0adca82f884e44d37576Mugunthan V N 61df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_err(priv, type, format, ...) \ 62df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 63df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 64df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, format, ## __VA_ARGS__); \ 65df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 66df828598a755732e717b0adca82f884e44d37576Mugunthan V N 67df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_dbg(priv, type, format, ...) \ 68df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 69df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 70df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_dbg(priv->dev, format, ## __VA_ARGS__); \ 71df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 72df828598a755732e717b0adca82f884e44d37576Mugunthan V N 73df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_notice(priv, type, format, ...) \ 74df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 75df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 76df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_notice(priv->dev, format, ## __VA_ARGS__); \ 77df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 78df828598a755732e717b0adca82f884e44d37576Mugunthan V N 795c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N#define ALE_ALL_PORTS 0x7 805c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 81df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7) 82df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MINOR_VERSION(reg) (reg & 0xff) 83df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f) 84df828598a755732e717b0adca82f884e44d37576Mugunthan V N 85e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran#define CPSW_VERSION_1 0x19010a 86e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran#define CPSW_VERSION_2 0x19010c 87c193f3655d9b916a3b8cb685c6b4327397507b2fMugunthan V N#define CPSW_VERSION_3 0x19010f 88926489be1d2b030c17d38fa10b5921bf3409d91dMugunthan V N#define CPSW_VERSION_4 0x190112 89549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 90549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define HOST_PORT_NUM 0 91549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define SLIVER_SIZE 0x40 92549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 93549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_HOST_PORT_OFFSET 0x028 94549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLAVE_OFFSET 0x050 95549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLAVE_SIZE 0x040 96549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_CPDMA_OFFSET 0x100 97549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_STATERAM_OFFSET 0x200 98d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPSW1_HW_STATS 0x400 99549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_CPTS_OFFSET 0x500 100549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_ALE_OFFSET 0x600 101549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLIVER_OFFSET 0x700 102549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 103549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_HOST_PORT_OFFSET 0x108 104549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLAVE_OFFSET 0x200 105549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLAVE_SIZE 0x100 106549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_CPDMA_OFFSET 0x800 107d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPSW2_HW_STATS 0x900 108549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_STATERAM_OFFSET 0xa00 109549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_CPTS_OFFSET 0xc00 110549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_ALE_OFFSET 0xd00 111549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLIVER_OFFSET 0xd80 112549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_BD_OFFSET 0x2000 113549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 114df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXTHRESH 0x0c0 115df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXFREE 0x0e0 116df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TXHDP 0x00 117df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXHDP 0x20 118df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TXCP 0x40 119df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXCP 0x60 120df828598a755732e717b0adca82f884e44d37576Mugunthan V N 121df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_POLL_WEIGHT 64 122df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MIN_PACKET_SIZE 60 123df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MAX_PACKET_SIZE (1500 + 14 + 4 + 4) 124df828598a755732e717b0adca82f884e44d37576Mugunthan V N 125df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define RX_PRIORITY_MAPPING 0x76543210 126df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define TX_PRIORITY_MAPPING 0x33221100 127df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TX_PRIORITY_MAP 0x76543210 128df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1293b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N#define CPSW_VLAN_AWARE BIT(1) 1303b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N#define CPSW_ALE_VLAN_AWARE 1 1313b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 13235717d8d6fc6fc50692273d6667a0a575c26aa93John Ogness#define CPSW_FIFO_NORMAL_MODE (0 << 16) 13335717d8d6fc6fc50692273d6667a0a575c26aa93John Ogness#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16) 13435717d8d6fc6fc50692273d6667a0a575c26aa93John Ogness#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16) 135d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 136ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_INTPACEEN (0x3f << 16) 137ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_INTPRESCALE_MASK (0x7FF << 0) 138ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMAX_CNT 63 139ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMIN_CNT 2 140ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) 141ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) 142ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 143df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_enable_irq(priv) \ 144df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { \ 145df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 i; \ 146df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < priv->num_irqs; i++) \ 147df828598a755732e717b0adca82f884e44d37576Mugunthan V N enable_irq(priv->irqs_table[i]); \ 1485f47dfb400d6a82d5ce9cdf537e33969af8278ffJoe Perches } while (0) 149df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_disable_irq(priv) \ 150df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { \ 151df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 i; \ 152df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < priv->num_irqs; i++) \ 153df828598a755732e717b0adca82f884e44d37576Mugunthan V N disable_irq_nosync(priv->irqs_table[i]); \ 1545f47dfb400d6a82d5ce9cdf537e33969af8278ffJoe Perches } while (0) 155df828598a755732e717b0adca82f884e44d37576Mugunthan V N 156d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N#define cpsw_slave_index(priv) \ 157d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N ((priv->data.dual_emac) ? priv->emac_port : \ 158d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N priv->data.active_slave) 159d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 160df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int debug_level; 161df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(debug_level, int, 0); 162df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(debug_level, "cpsw debug level (NETIF_MSG bits)"); 163df828598a755732e717b0adca82f884e44d37576Mugunthan V N 164df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int ale_ageout = 10; 165df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(ale_ageout, int, 0); 166df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(ale_ageout, "cpsw ale ageout interval (seconds)"); 167df828598a755732e717b0adca82f884e44d37576Mugunthan V N 168df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int rx_packet_max = CPSW_MAX_PACKET_SIZE; 169df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(rx_packet_max, int, 0); 170df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(rx_packet_max, "maximum receive packet size (bytes)"); 171df828598a755732e717b0adca82f884e44d37576Mugunthan V N 172996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochranstruct cpsw_wr_regs { 173df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 174df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 175df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 control; 176df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 int_control; 177df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_thresh_en; 178df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_en; 179df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_en; 180df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 misc_en; 181ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 mem_allign1[8]; 182ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_thresh_stat; 183ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_stat; 184ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 tx_stat; 185ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 misc_stat; 186ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 mem_allign2[8]; 187ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_imax; 188ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 tx_imax; 189ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 190df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 191df828598a755732e717b0adca82f884e44d37576Mugunthan V N 192996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochranstruct cpsw_ss_regs { 193df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 194df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 control; 195df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 196df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 stat_port_en; 197df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 ptype; 198bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 soft_idle; 199bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 thru_rate; 200bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 gap_thresh; 201bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 tx_start_wds; 202bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 flow_control; 203bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 vlan_ltype; 204bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 ts_ltype; 205bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 dlr_ltype; 206df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 207df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2089750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V1 */ 2099750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */ 2109750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */ 2119750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */ 2129750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */ 2139750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */ 2149750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_CTL 0x14 /* Time Sync Control */ 2159750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */ 2169750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */ 2179750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2189750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V2 */ 2199750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_CONTROL 0x00 /* Control Register */ 2209750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */ 2219750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */ 2229750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */ 2239750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */ 2249750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */ 2259750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */ 2269750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2279750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V1 and V2 */ 2289750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */ 2299750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SA_HI 0x24 /* CPGMAC_SL Source Address High */ 2309750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */ 2319750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2329750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V2 only */ 2339750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */ 2349750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */ 2359750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */ 2369750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */ 2379750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */ 2389750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */ 2399750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */ 2409750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */ 2419750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2429750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* Bit definitions for the CPSW2_CONTROL register */ 2439750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define PASS_PRI_TAGGED (1<<24) /* Pass Priority Tagged */ 2449750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define VLAN_LTYPE2_EN (1<<21) /* VLAN LTYPE 2 enable */ 2459750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define VLAN_LTYPE1_EN (1<<20) /* VLAN LTYPE 1 enable */ 2469750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define DSCP_PRI_EN (1<<16) /* DSCP Priority Enable */ 2479750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_320 (1<<14) /* Time Sync Dest Port 320 enable */ 2489750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_319 (1<<13) /* Time Sync Dest Port 319 enable */ 2499750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_132 (1<<12) /* Time Sync Dest IP Addr 132 enable */ 2509750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_131 (1<<11) /* Time Sync Dest IP Addr 131 enable */ 2519750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_130 (1<<10) /* Time Sync Dest IP Addr 130 enable */ 2529750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_129 (1<<9) /* Time Sync Dest IP Addr 129 enable */ 25309c5537246fd469625d116080ab1caa72d170d96George Cherian#define TS_TTL_NONZERO (1<<8) /* Time Sync Time To Live Non-zero enable */ 25409c5537246fd469625d116080ab1caa72d170d96George Cherian#define TS_ANNEX_F_EN (1<<6) /* Time Sync Annex F enable */ 2559750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_ANNEX_D_EN (1<<4) /* Time Sync Annex D enable */ 2569750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_LTYPE2_EN (1<<3) /* Time Sync LTYPE 2 enable */ 2579750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_LTYPE1_EN (1<<2) /* Time Sync LTYPE 1 enable */ 2589750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_TX_EN (1<<1) /* Time Sync Transmit Enable */ 2599750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_RX_EN (1<<0) /* Time Sync Receive Enable */ 2609750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 26109c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V2_TS_BITS \ 26209c5537246fd469625d116080ab1caa72d170d96George Cherian (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\ 26309c5537246fd469625d116080ab1caa72d170d96George Cherian TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN) 2649750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 26509c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN) 26609c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN) 26709c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN) 26809c5537246fd469625d116080ab1caa72d170d96George Cherian 26909c5537246fd469625d116080ab1caa72d170d96George Cherian 27009c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V3_TS_BITS \ 27109c5537246fd469625d116080ab1caa72d170d96George Cherian (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\ 27209c5537246fd469625d116080ab1caa72d170d96George Cherian TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\ 27309c5537246fd469625d116080ab1caa72d170d96George Cherian TS_LTYPE1_EN) 27409c5537246fd469625d116080ab1caa72d170d96George Cherian 27509c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN) 27609c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN) 27709c5537246fd469625d116080ab1caa72d170d96George Cherian#define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN) 2789750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2799750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */ 2809750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */ 2819750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_SEQ_ID_OFFSET_MASK (0x3f) 2829750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */ 2839750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_MSG_TYPE_EN_MASK (0xffff) 2849750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2859750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */ 2869750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3)) 287df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2882e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran/* Bit definitions for the CPSW1_TS_CTL register */ 2892e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_TS_RX_EN BIT(0) 2902e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_TS_TX_EN BIT(4) 2912e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_MSG_TYPE_OFS 16 2922e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 2932e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */ 2942e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_SEQ_ID_OFS_SHIFT 16 2952e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 296df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_host_regs { 297df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 max_blks; 298df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 blk_cnt; 299d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 tx_in_ctl; 300df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 port_vlan; 301df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_pri_map; 302df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 cpdma_tx_pri_map; 303df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 cpdma_rx_chan_map; 304df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 305df828598a755732e717b0adca82f884e44d37576Mugunthan V N 306df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_sliver_regs { 307df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 308df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control; 309df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_status; 310df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 311df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_maxlen; 312df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 __reserved_0; 313df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_pause; 314df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_pause; 315df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 __reserved_1; 316df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_pri_map; 317df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 318df828598a755732e717b0adca82f884e44d37576Mugunthan V N 319d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstruct cpsw_hw_stats { 320d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxgoodframes; 321d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxbroadcastframes; 322d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxmulticastframes; 323d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxpauseframes; 324d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxcrcerrors; 325d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxaligncodeerrors; 326d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxoversizedframes; 327d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxjabberframes; 328d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxundersizedframes; 329d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxfragments; 330d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 __pad_0[2]; 331d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxoctets; 332d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txgoodframes; 333d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txbroadcastframes; 334d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txmulticastframes; 335d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txpauseframes; 336d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txdeferredframes; 337d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txcollisionframes; 338d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txsinglecollframes; 339d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txmultcollframes; 340d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txexcessivecollisions; 341d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txlatecollisions; 342d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txunderrun; 343d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txcarriersenseerrors; 344d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 txoctets; 345d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes64; 346d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes65t127; 347d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes128t255; 348d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes256t511; 349d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes512t1023; 350d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 octetframes1024tup; 351d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 netoctets; 352d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxsofoverruns; 353d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxmofoverruns; 354d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 rxdmaoverruns; 355d97185466cc83902de49c7bea512651c7af12566Mugunthan V N}; 356d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 357df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_slave { 3589750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran void __iomem *regs; 359df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_sliver_regs __iomem *sliver; 360df828598a755732e717b0adca82f884e44d37576Mugunthan V N int slave_num; 361df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control; 362df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave_data *data; 363df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct phy_device *phy; 364d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct net_device *ndev; 365d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 port_vlan; 366d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 open_stat; 367df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 368df828598a755732e717b0adca82f884e44d37576Mugunthan V N 3699750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochranstatic inline u32 slave_read(struct cpsw_slave *slave, u32 offset) 3709750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran{ 3719750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran return __raw_readl(slave->regs + offset); 3729750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran} 3739750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 3749750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochranstatic inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset) 3759750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran{ 3769750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran __raw_writel(val, slave->regs + offset); 3779750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran} 3789750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 379df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_priv { 380df828598a755732e717b0adca82f884e44d37576Mugunthan V N spinlock_t lock; 381df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev; 382df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev; 383df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct napi_struct napi; 384df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct device *dev; 385df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_platform_data data; 386996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran struct cpsw_ss_regs __iomem *regs; 387996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran struct cpsw_wr_regs __iomem *wr_regs; 388d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u8 __iomem *hw_stats; 389df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_host_regs __iomem *host_port_regs; 390df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 msg_enable; 391e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran u32 version; 392ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 coal_intvl; 393ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 bus_freq_mhz; 394df828598a755732e717b0adca82f884e44d37576Mugunthan V N int rx_packet_max; 395df828598a755732e717b0adca82f884e44d37576Mugunthan V N int host_port; 396df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct clk *clk; 397df828598a755732e717b0adca82f884e44d37576Mugunthan V N u8 mac_addr[ETH_ALEN]; 398df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave *slaves; 399df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_ctlr *dma; 400df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_chan *txch, *rxch; 401df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_ale *ale; 4021923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N bool rx_pause; 4031923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N bool tx_pause; 404df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* snapshot of IRQ numbers */ 405df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 irqs_table[4]; 406df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 num_irqs; 407a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior bool irq_enabled; 4089232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N struct cpts *cpts; 409d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 emac_port; 410df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 411df828598a755732e717b0adca82f884e44d37576Mugunthan V N 412d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstruct cpsw_stats { 413d97185466cc83902de49c7bea512651c7af12566Mugunthan V N char stat_string[ETH_GSTRING_LEN]; 414d97185466cc83902de49c7bea512651c7af12566Mugunthan V N int type; 415d97185466cc83902de49c7bea512651c7af12566Mugunthan V N int sizeof_stat; 416d97185466cc83902de49c7bea512651c7af12566Mugunthan V N int stat_offset; 417d97185466cc83902de49c7bea512651c7af12566Mugunthan V N}; 418d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 419d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nenum { 420d97185466cc83902de49c7bea512651c7af12566Mugunthan V N CPSW_STATS, 421d97185466cc83902de49c7bea512651c7af12566Mugunthan V N CPDMA_RX_STATS, 422d97185466cc83902de49c7bea512651c7af12566Mugunthan V N CPDMA_TX_STATS, 423d97185466cc83902de49c7bea512651c7af12566Mugunthan V N}; 424d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 425d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPSW_STAT(m) CPSW_STATS, \ 426d97185466cc83902de49c7bea512651c7af12566Mugunthan V N sizeof(((struct cpsw_hw_stats *)0)->m), \ 427d97185466cc83902de49c7bea512651c7af12566Mugunthan V N offsetof(struct cpsw_hw_stats, m) 428d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPDMA_RX_STAT(m) CPDMA_RX_STATS, \ 429d97185466cc83902de49c7bea512651c7af12566Mugunthan V N sizeof(((struct cpdma_chan_stats *)0)->m), \ 430d97185466cc83902de49c7bea512651c7af12566Mugunthan V N offsetof(struct cpdma_chan_stats, m) 431d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPDMA_TX_STAT(m) CPDMA_TX_STATS, \ 432d97185466cc83902de49c7bea512651c7af12566Mugunthan V N sizeof(((struct cpdma_chan_stats *)0)->m), \ 433d97185466cc83902de49c7bea512651c7af12566Mugunthan V N offsetof(struct cpdma_chan_stats, m) 434d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 435d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstatic const struct cpsw_stats cpsw_gstrings_stats[] = { 436d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Good Rx Frames", CPSW_STAT(rxgoodframes) }, 437d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Broadcast Rx Frames", CPSW_STAT(rxbroadcastframes) }, 438d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Multicast Rx Frames", CPSW_STAT(rxmulticastframes) }, 439d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Pause Rx Frames", CPSW_STAT(rxpauseframes) }, 440d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx CRC Errors", CPSW_STAT(rxcrcerrors) }, 441d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Align/Code Errors", CPSW_STAT(rxaligncodeerrors) }, 442d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Oversize Rx Frames", CPSW_STAT(rxoversizedframes) }, 443d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Jabbers", CPSW_STAT(rxjabberframes) }, 444d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Undersize (Short) Rx Frames", CPSW_STAT(rxundersizedframes) }, 445d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Fragments", CPSW_STAT(rxfragments) }, 446d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Octets", CPSW_STAT(rxoctets) }, 447d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Good Tx Frames", CPSW_STAT(txgoodframes) }, 448d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Broadcast Tx Frames", CPSW_STAT(txbroadcastframes) }, 449d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Multicast Tx Frames", CPSW_STAT(txmulticastframes) }, 450d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Pause Tx Frames", CPSW_STAT(txpauseframes) }, 451d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Deferred Tx Frames", CPSW_STAT(txdeferredframes) }, 452d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Collisions", CPSW_STAT(txcollisionframes) }, 453d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Single Collision Tx Frames", CPSW_STAT(txsinglecollframes) }, 454d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Multiple Collision Tx Frames", CPSW_STAT(txmultcollframes) }, 455d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Excessive Collisions", CPSW_STAT(txexcessivecollisions) }, 456d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Late Collisions", CPSW_STAT(txlatecollisions) }, 457d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx Underrun", CPSW_STAT(txunderrun) }, 458d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Carrier Sense Errors", CPSW_STAT(txcarriersenseerrors) }, 459d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx Octets", CPSW_STAT(txoctets) }, 460d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 64 Octet Frames", CPSW_STAT(octetframes64) }, 461d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 65-127 Octet Frames", CPSW_STAT(octetframes65t127) }, 462d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 128-255 Octet Frames", CPSW_STAT(octetframes128t255) }, 463d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 256-511 Octet Frames", CPSW_STAT(octetframes256t511) }, 464d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 512-1023 Octet Frames", CPSW_STAT(octetframes512t1023) }, 465d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx + Tx 1024-Up Octet Frames", CPSW_STAT(octetframes1024tup) }, 466d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Net Octets", CPSW_STAT(netoctets) }, 467d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Start of Frame Overruns", CPSW_STAT(rxsofoverruns) }, 468d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx Middle of Frame Overruns", CPSW_STAT(rxmofoverruns) }, 469d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA Overruns", CPSW_STAT(rxdmaoverruns) }, 470d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: head_enqueue", CPDMA_RX_STAT(head_enqueue) }, 471d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: tail_enqueue", CPDMA_RX_STAT(tail_enqueue) }, 472d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: pad_enqueue", CPDMA_RX_STAT(pad_enqueue) }, 473d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: misqueued", CPDMA_RX_STAT(misqueued) }, 474d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: desc_alloc_fail", CPDMA_RX_STAT(desc_alloc_fail) }, 475d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: pad_alloc_fail", CPDMA_RX_STAT(pad_alloc_fail) }, 476d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: runt_receive_buf", CPDMA_RX_STAT(runt_receive_buff) }, 477d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: runt_transmit_buf", CPDMA_RX_STAT(runt_transmit_buff) }, 478d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: empty_dequeue", CPDMA_RX_STAT(empty_dequeue) }, 479d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: busy_dequeue", CPDMA_RX_STAT(busy_dequeue) }, 480d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: good_dequeue", CPDMA_RX_STAT(good_dequeue) }, 481d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: requeue", CPDMA_RX_STAT(requeue) }, 482d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Rx DMA chan: teardown_dequeue", CPDMA_RX_STAT(teardown_dequeue) }, 483d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: head_enqueue", CPDMA_TX_STAT(head_enqueue) }, 484d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: tail_enqueue", CPDMA_TX_STAT(tail_enqueue) }, 485d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: pad_enqueue", CPDMA_TX_STAT(pad_enqueue) }, 486d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: misqueued", CPDMA_TX_STAT(misqueued) }, 487d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: desc_alloc_fail", CPDMA_TX_STAT(desc_alloc_fail) }, 488d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: pad_alloc_fail", CPDMA_TX_STAT(pad_alloc_fail) }, 489d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: runt_receive_buf", CPDMA_TX_STAT(runt_receive_buff) }, 490d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: runt_transmit_buf", CPDMA_TX_STAT(runt_transmit_buff) }, 491d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: empty_dequeue", CPDMA_TX_STAT(empty_dequeue) }, 492d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: busy_dequeue", CPDMA_TX_STAT(busy_dequeue) }, 493d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: good_dequeue", CPDMA_TX_STAT(good_dequeue) }, 494d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: requeue", CPDMA_TX_STAT(requeue) }, 495d97185466cc83902de49c7bea512651c7af12566Mugunthan V N { "Tx DMA chan: teardown_dequeue", CPDMA_TX_STAT(teardown_dequeue) }, 496d97185466cc83902de49c7bea512651c7af12566Mugunthan V N}; 497d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 498d97185466cc83902de49c7bea512651c7af12566Mugunthan V N#define CPSW_STATS_LEN ARRAY_SIZE(cpsw_gstrings_stats) 499d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 500df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define napi_to_priv(napi) container_of(napi, struct cpsw_priv, napi) 501d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define for_each_slave(priv, func, arg...) \ 502d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 5036e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior struct cpsw_slave *slave; \ 5046e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior int n; \ 505d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) \ 506d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N (func)((priv)->slaves + priv->emac_port, ##arg);\ 507d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else \ 5086e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior for (n = (priv)->data.slaves, \ 5096e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior slave = (priv)->slaves; \ 5106e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior n; n--) \ 5116e6ceaedb5901c7ebd23e5222726dab5362938bdSebastian Siewior (func)(slave++, ##arg); \ 512d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } while (0) 513d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_get_slave_ndev(priv, __slave_no__) \ 514d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N (priv->slaves[__slave_no__].ndev) 515d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_get_slave_priv(priv, __slave_no__) \ 516d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ((priv->slaves[__slave_no__].ndev) ? \ 517d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N netdev_priv(priv->slaves[__slave_no__].ndev) : NULL) \ 518d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 519d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_dual_emac_src_port_detect(status, priv, ndev, skb) \ 520d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 521d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) \ 522d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N break; \ 523d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (CPDMA_RX_SOURCE_PORT(status) == 1) { \ 524d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = cpsw_get_slave_ndev(priv, 0); \ 525d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv = netdev_priv(ndev); \ 526d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N skb->dev = ndev; \ 527d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else if (CPDMA_RX_SOURCE_PORT(status) == 2) { \ 528d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = cpsw_get_slave_ndev(priv, 1); \ 529d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv = netdev_priv(ndev); \ 530d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N skb->dev = ndev; \ 531d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } \ 532df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while (0) 533d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_add_mcast(priv, addr) \ 534d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 535d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) { \ 536d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_slave *slave = priv->slaves + \ 537d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->emac_port; \ 538d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N int slave_port = cpsw_get_slave_port(priv, \ 539d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave->slave_num); \ 540d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, addr, \ 541d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << slave_port | 1 << priv->host_port, \ 542d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ALE_VLAN, slave->port_vlan, 0); \ 543d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { \ 544d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, addr, \ 545d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ALE_ALL_PORTS << priv->host_port, \ 546d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 0, 0, 0); \ 547d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } \ 548d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } while (0) 549d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 550d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline int cpsw_get_slave_port(struct cpsw_priv *priv, u32 slave_num) 551d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 552d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->host_port == 0) 553d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return slave_num + 1; 554d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 555d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return slave_num; 556d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 557df828598a755732e717b0adca82f884e44d37576Mugunthan V N 5580cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V Nstatic void cpsw_set_promiscious(struct net_device *ndev, bool enable) 5590cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N{ 5600cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 5610cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N struct cpsw_ale *ale = priv->ale; 5620cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N int i; 5630cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5640cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (priv->data.dual_emac) { 5650cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N bool flag = false; 5660cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5670cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Enabling promiscuous mode for one interface will be 5680cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N * common for both the interface as the interface shares 5690cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N * the same hardware resource. 5700cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N */ 5710d961b3b52f566f823070ce2366511a7f64b928cHeiko Schocher for (i = 0; i < priv->data.slaves; i++) 5720cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (priv->slaves[i].ndev->flags & IFF_PROMISC) 5730cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N flag = true; 5740cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5750cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (!enable && flag) { 5760cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N enable = true; 5770cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N dev_err(&ndev->dev, "promiscuity not disabled as the other interface is still in promiscuity mode\n"); 5780cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 5790cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5800cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (enable) { 5810cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Enable Bypass */ 5820cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_BYPASS, 1); 5830cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5840cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N dev_dbg(&ndev->dev, "promiscuity enabled\n"); 5850cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } else { 5860cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Disable Bypass */ 5870cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_BYPASS, 0); 5880cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N dev_dbg(&ndev->dev, "promiscuity disabled\n"); 5890cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 5900cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } else { 5910cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (enable) { 5920cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N unsigned long timeout = jiffies + HZ; 5930cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 5946f979eb3fcfb4c3f42f230d174db4bbad0080710Lennart Sorensen /* Disable Learn for all ports (host is port 0 and slaves are port 1 and up */ 5956f979eb3fcfb4c3f42f230d174db4bbad0080710Lennart Sorensen for (i = 0; i <= priv->data.slaves; i++) { 5960cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, i, 5970cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N ALE_PORT_NOLEARN, 1); 5980cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, i, 5990cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N ALE_PORT_NO_SA_UPDATE, 1); 6000cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 6010cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 6020cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Clear All Untouched entries */ 6030cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1); 6040cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N do { 6050cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpu_relax(); 6060cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N if (cpsw_ale_control_get(ale, 0, ALE_AGEOUT)) 6070cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N break; 6080cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } while (time_after(timeout, jiffies)); 6090cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1); 6100cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 6110cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Clear all mcast from ALE */ 6120cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS << 6130cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N priv->host_port); 6140cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 6150cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Flood All Unicast Packets to Host port */ 6160cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1); 6170cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N dev_dbg(&ndev->dev, "promiscuity enabled\n"); 6180cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } else { 6196f979eb3fcfb4c3f42f230d174db4bbad0080710Lennart Sorensen /* Don't Flood All Unicast Packets to Host port */ 6200cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 0); 6210cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 6226f979eb3fcfb4c3f42f230d174db4bbad0080710Lennart Sorensen /* Enable Learn for all ports (host is port 0 and slaves are port 1 and up */ 6236f979eb3fcfb4c3f42f230d174db4bbad0080710Lennart Sorensen for (i = 0; i <= priv->data.slaves; i++) { 6240cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, i, 6250cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N ALE_PORT_NOLEARN, 0); 6260cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_ale_control_set(ale, i, 6270cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N ALE_PORT_NO_SA_UPDATE, 0); 6280cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 6290cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N dev_dbg(&ndev->dev, "promiscuity disabled\n"); 6300cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 6310cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } 6320cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N} 6330cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N 6345c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V Nstatic void cpsw_ndo_set_rx_mode(struct net_device *ndev) 6355c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N{ 6365c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 6375c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 6385c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N if (ndev->flags & IFF_PROMISC) { 6395c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* Enable promiscuous mode */ 6400cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_set_promiscious(ndev, true); 6411e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen cpsw_ale_set_allmulti(priv->ale, IFF_ALLMULTI); 6425c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N return; 6430cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N } else { 6440cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N /* Disable promiscuous mode */ 6450cd8f9cc0654c06adde353c6532114c5f53a18e8Mugunthan V N cpsw_set_promiscious(ndev, false); 6465c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 6475c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 6481e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen /* Restore allmulti on vlans if necessary */ 6491e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen cpsw_ale_set_allmulti(priv->ale, priv->ndev->flags & IFF_ALLMULTI); 6501e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen 6515c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* Clear all mcast from ALE */ 6525c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port); 6535c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 6545c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N if (!netdev_mc_empty(ndev)) { 6555c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N struct netdev_hw_addr *ha; 6565c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 6575c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* program multicast address list into ALE register */ 6585c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N netdev_for_each_mc_addr(ha, ndev) { 659d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_add_mcast(priv, (u8 *)ha->addr); 6605c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 6615c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 6625c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N} 6635c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 664df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_intr_enable(struct cpsw_priv *priv) 665df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 666996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0xFF, &priv->wr_regs->tx_en); 667996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0xFF, &priv->wr_regs->rx_en); 668df828598a755732e717b0adca82f884e44d37576Mugunthan V N 669df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 670df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 671df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 672df828598a755732e717b0adca82f884e44d37576Mugunthan V N 673df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_intr_disable(struct cpsw_priv *priv) 674df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 675996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0, &priv->wr_regs->tx_en); 676996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0, &priv->wr_regs->rx_en); 677df828598a755732e717b0adca82f884e44d37576Mugunthan V N 678df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 679df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 680df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 681df828598a755732e717b0adca82f884e44d37576Mugunthan V N 6821a3b50566f259eb79039b720dbfdbb97a7a1b9c5Olof Johanssonstatic void cpsw_tx_handler(void *token, int len, int status) 683df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 684df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct sk_buff *skb = token; 685df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = skb->dev; 686df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 687df828598a755732e717b0adca82f884e44d37576Mugunthan V N 688fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N /* Check whether the queue is stopped due to stalled tx dma, if the 689fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N * queue is stopped then start the queue as we have free desc for tx 690fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N */ 691df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (unlikely(netif_queue_stopped(ndev))) 692b56d6b3fca6d1214dbc9c5655f26e5d4ec04afc8Mugunthan V N netif_wake_queue(ndev); 6939232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N cpts_tx_timestamp(priv->cpts, skb); 6948dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.tx_packets++; 6958dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.tx_bytes += len; 696df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_kfree_skb_any(skb); 697df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 698df828598a755732e717b0adca82f884e44d37576Mugunthan V N 6991a3b50566f259eb79039b720dbfdbb97a7a1b9c5Olof Johanssonstatic void cpsw_rx_handler(void *token, int len, int status) 700df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 701df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct sk_buff *skb = token; 702b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior struct sk_buff *new_skb; 703df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = skb->dev; 704df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 705df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret = 0; 706df828598a755732e717b0adca82f884e44d37576Mugunthan V N 707d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_dual_emac_src_port_detect(status, priv, ndev, skb); 708d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 70916e5c57da61cda26998bee91a327960ebd1562f6Mugunthan V N if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { 710a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N bool ndev_status = false; 711a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N struct cpsw_slave *slave = priv->slaves; 712a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N int n; 713a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N 714a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N if (priv->data.dual_emac) { 715a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N /* In dual emac mode check for all interfaces */ 716a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N for (n = priv->data.slaves; n; n--, slave++) 717a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N if (netif_running(slave->ndev)) 718a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N ndev_status = true; 719a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N } 720a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N 721a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N if (ndev_status && (status >= 0)) { 722a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N /* The packet received is for the interface which 723a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N * is already down and the other interface is up 724a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N * and running, intead of freeing which results 725a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N * in reducing of the number of rx descriptor in 726a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N * DMA engine, requeue skb back to cpdma. 727a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N */ 728a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N new_skb = skb; 729a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N goto requeue; 730a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N } 731a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V N 732b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior /* the interface is going down, skbs are purged */ 733df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_kfree_skb_any(skb); 734df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 735df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 736b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior 737b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior new_skb = netdev_alloc_skb_ip_align(ndev, priv->rx_packet_max); 738b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior if (new_skb) { 739df828598a755732e717b0adca82f884e44d37576Mugunthan V N skb_put(skb, len); 7409232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N cpts_rx_timestamp(priv->cpts, skb); 741df828598a755732e717b0adca82f884e44d37576Mugunthan V N skb->protocol = eth_type_trans(skb, ndev); 742df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_receive_skb(skb); 7438dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.rx_bytes += len; 7448dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.rx_packets++; 745b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior } else { 7468dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.rx_dropped++; 747b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior new_skb = skb; 748df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 749df828598a755732e717b0adca82f884e44d37576Mugunthan V N 750a0e2c822bf0a1095dc250b5875e39ac0662a5df6Mugunthan V Nrequeue: 751b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior ret = cpdma_chan_submit(priv->rxch, new_skb, new_skb->data, 752b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior skb_tailroom(new_skb), 0); 753b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior if (WARN_ON(ret < 0)) 754b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior dev_kfree_skb_any(new_skb); 755df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 756df828598a755732e717b0adca82f884e44d37576Mugunthan V N 757df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic irqreturn_t cpsw_interrupt(int irq, void *dev_id) 758df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 759df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = dev_id; 760fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 761fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior cpsw_intr_disable(priv); 762a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior if (priv->irq_enabled == true) { 763a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior cpsw_disable_irq(priv); 764a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior priv->irq_enabled = false; 765a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior } 766fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 767fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (netif_running(priv->ndev)) { 768df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_schedule(&priv->napi); 769fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_HANDLED; 770fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior } 771fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 772fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior priv = cpsw_get_slave_priv(priv, 1); 773fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (!priv) 774fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_NONE; 775fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 776fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (netif_running(priv->ndev)) { 777fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior napi_schedule(&priv->napi); 778fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_HANDLED; 779df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 780fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_NONE; 781df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 782df828598a755732e717b0adca82f884e44d37576Mugunthan V N 783df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_poll(struct napi_struct *napi, int budget) 784df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 785df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = napi_to_priv(napi); 786df828598a755732e717b0adca82f884e44d37576Mugunthan V N int num_tx, num_rx; 787df828598a755732e717b0adca82f884e44d37576Mugunthan V N 788df828598a755732e717b0adca82f884e44d37576Mugunthan V N num_tx = cpdma_chan_process(priv->txch, 128); 789510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N if (num_tx) 790510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 791df828598a755732e717b0adca82f884e44d37576Mugunthan V N 792510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N num_rx = cpdma_chan_process(priv->rxch, budget); 793df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (num_rx < budget) { 794a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior struct cpsw_priv *prim_cpsw; 795a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior 796df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_complete(napi); 797df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 798510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 799a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior prim_cpsw = cpsw_get_slave_priv(priv, 0); 800a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior if (prim_cpsw->irq_enabled == false) { 801a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior prim_cpsw->irq_enabled = true; 802af5c6df704af46f2cfebea329887f3d70ccb7b3dMugunthan V N cpsw_enable_irq(priv); 803a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior } 804df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 805df828598a755732e717b0adca82f884e44d37576Mugunthan V N 806510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N if (num_rx || num_tx) 807510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpsw_dbg(priv, intr, "poll %d rx, %d tx pkts\n", 808510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N num_rx, num_tx); 809510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 810df828598a755732e717b0adca82f884e44d37576Mugunthan V N return num_rx; 811df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 812df828598a755732e717b0adca82f884e44d37576Mugunthan V N 813df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic inline void soft_reset(const char *module, void __iomem *reg) 814df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 815df828598a755732e717b0adca82f884e44d37576Mugunthan V N unsigned long timeout = jiffies + HZ; 816df828598a755732e717b0adca82f884e44d37576Mugunthan V N 817df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(1, reg); 818df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { 819df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpu_relax(); 820df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while ((__raw_readl(reg) & 1) && time_after(timeout, jiffies)); 821df828598a755732e717b0adca82f884e44d37576Mugunthan V N 822df828598a755732e717b0adca82f884e44d37576Mugunthan V N WARN(__raw_readl(reg) & 1, "failed to soft-reset %s\n", module); 823df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 824df828598a755732e717b0adca82f884e44d37576Mugunthan V N 825df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \ 826df828598a755732e717b0adca82f884e44d37576Mugunthan V N ((mac)[2] << 16) | ((mac)[3] << 24)) 827df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8)) 828df828598a755732e717b0adca82f884e44d37576Mugunthan V N 829df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_set_slave_mac(struct cpsw_slave *slave, 830df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv) 831df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 8329750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, mac_hi(priv->mac_addr), SA_HI); 8339750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, mac_lo(priv->mac_addr), SA_LO); 834df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 835df828598a755732e717b0adca82f884e44d37576Mugunthan V N 836df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void _cpsw_adjust_link(struct cpsw_slave *slave, 837df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv, bool *link) 838df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 839df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct phy_device *phy = slave->phy; 840df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control = 0; 841df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 slave_port; 842df828598a755732e717b0adca82f884e44d37576Mugunthan V N 843df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!phy) 844df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 845df828598a755732e717b0adca82f884e44d37576Mugunthan V N 846df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave_port = cpsw_get_slave_port(priv, slave->slave_num); 847df828598a755732e717b0adca82f884e44d37576Mugunthan V N 848df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->link) { 849df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control = priv->data.mac_control; 850df828598a755732e717b0adca82f884e44d37576Mugunthan V N 851df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* enable forwarding */ 852df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, slave_port, 853df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); 854df828598a755732e717b0adca82f884e44d37576Mugunthan V N 855df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->speed == 1000) 856df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control |= BIT(7); /* GIGABITEN */ 857df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->duplex) 858df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control |= BIT(0); /* FULLDUPLEXEN */ 859342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack 860342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack /* set speed_in input in case RMII mode is used in 100Mbps */ 861342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack if (phy->speed == 100) 862342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack mac_control |= BIT(15); 863a81d8762d71396f69d27187a909fcc69f1a7be75Mugunthan V N else if (phy->speed == 10) 864a81d8762d71396f69d27187a909fcc69f1a7be75Mugunthan V N mac_control |= BIT(18); /* In Band mode */ 865342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack 8661923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N if (priv->rx_pause) 8671923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N mac_control |= BIT(3); 8681923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 8691923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N if (priv->tx_pause) 8701923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N mac_control |= BIT(4); 8711923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 872df828598a755732e717b0adca82f884e44d37576Mugunthan V N *link = true; 873df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 874df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control = 0; 875df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* disable forwarding */ 876df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, slave_port, 877df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); 878df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 879df828598a755732e717b0adca82f884e44d37576Mugunthan V N 880df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (mac_control != slave->mac_control) { 881df828598a755732e717b0adca82f884e44d37576Mugunthan V N phy_print_status(phy); 882df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(mac_control, &slave->sliver->mac_control); 883df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 884df828598a755732e717b0adca82f884e44d37576Mugunthan V N 885df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->mac_control = mac_control; 886df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 887df828598a755732e717b0adca82f884e44d37576Mugunthan V N 888df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_adjust_link(struct net_device *ndev) 889df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 890df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 891df828598a755732e717b0adca82f884e44d37576Mugunthan V N bool link = false; 892df828598a755732e717b0adca82f884e44d37576Mugunthan V N 893df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, _cpsw_adjust_link, priv, &link); 894df828598a755732e717b0adca82f884e44d37576Mugunthan V N 895df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (link) { 896df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_on(ndev); 897df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_running(ndev)) 898df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_wake_queue(ndev); 899df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 900df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(ndev); 901df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(ndev); 902df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 903df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 904df828598a755732e717b0adca82f884e44d37576Mugunthan V N 905ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V Nstatic int cpsw_get_coalesce(struct net_device *ndev, 906ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce *coal) 907ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N{ 908ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 909ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 910ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal->rx_coalesce_usecs = priv->coal_intvl; 911ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N return 0; 912ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N} 913ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 914ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V Nstatic int cpsw_set_coalesce(struct net_device *ndev, 915ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce *coal) 916ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N{ 917ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 918ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 int_ctrl; 919ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 num_interrupts = 0; 920ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 prescale = 0; 921ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 addnl_dvdr = 1; 922ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 coal_intvl = 0; 923ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 924ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = coal->rx_coalesce_usecs; 925ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 926ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl = readl(&priv->wr_regs->int_control); 927ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N prescale = priv->bus_freq_mhz * 4; 928ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 929a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N if (!coal->rx_coalesce_usecs) { 930a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N int_ctrl &= ~(CPSW_INTPRESCALE_MASK | CPSW_INTPACEEN); 931a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N goto update_return; 932a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N } 933a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N 934ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl < CPSW_CMINTMIN_INTVL) 935ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = CPSW_CMINTMIN_INTVL; 936ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 937ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl > CPSW_CMINTMAX_INTVL) { 938ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N /* Interrupt pacer works with 4us Pulse, we can 939ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N * throttle further by dilating the 4us pulse. 940ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N */ 941ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N addnl_dvdr = CPSW_INTPRESCALE_MASK / prescale; 942ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 943ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (addnl_dvdr > 1) { 944ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N prescale *= addnl_dvdr; 945ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl > (CPSW_CMINTMAX_INTVL * addnl_dvdr)) 946ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = (CPSW_CMINTMAX_INTVL 947ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N * addnl_dvdr); 948ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } else { 949ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N addnl_dvdr = 1; 950ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = CPSW_CMINTMAX_INTVL; 951ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 952ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 953ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 954ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N num_interrupts = (1000 * addnl_dvdr) / coal_intvl; 955ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(num_interrupts, &priv->wr_regs->rx_imax); 956ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(num_interrupts, &priv->wr_regs->tx_imax); 957ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 958ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl |= CPSW_INTPACEEN; 959ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl &= (~CPSW_INTPRESCALE_MASK); 960ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl |= (prescale & CPSW_INTPRESCALE_MASK); 961a84bc2a9013fb123deeca7283480955d021503fbMugunthan V N 962a84bc2a9013fb123deeca7283480955d021503fbMugunthan V Nupdate_return: 963ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(int_ctrl, &priv->wr_regs->int_control); 964ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 965ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N cpsw_notice(priv, timer, "Set coalesce to %d usecs.\n", coal_intvl); 966ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (priv->data.dual_emac) { 967ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int i; 968ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 969ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N for (i = 0; i < priv->data.slaves; i++) { 970ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv = netdev_priv(priv->slaves[i].ndev); 971ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = coal_intvl; 972ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 973ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } else { 974ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = coal_intvl; 975ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 976ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 977ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N return 0; 978ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N} 979ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 980d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstatic int cpsw_get_sset_count(struct net_device *ndev, int sset) 981d97185466cc83902de49c7bea512651c7af12566Mugunthan V N{ 982d97185466cc83902de49c7bea512651c7af12566Mugunthan V N switch (sset) { 983d97185466cc83902de49c7bea512651c7af12566Mugunthan V N case ETH_SS_STATS: 984d97185466cc83902de49c7bea512651c7af12566Mugunthan V N return CPSW_STATS_LEN; 985d97185466cc83902de49c7bea512651c7af12566Mugunthan V N default: 986d97185466cc83902de49c7bea512651c7af12566Mugunthan V N return -EOPNOTSUPP; 987d97185466cc83902de49c7bea512651c7af12566Mugunthan V N } 988d97185466cc83902de49c7bea512651c7af12566Mugunthan V N} 989d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 990d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstatic void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 991d97185466cc83902de49c7bea512651c7af12566Mugunthan V N{ 992d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u8 *p = data; 993d97185466cc83902de49c7bea512651c7af12566Mugunthan V N int i; 994d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 995d97185466cc83902de49c7bea512651c7af12566Mugunthan V N switch (stringset) { 996d97185466cc83902de49c7bea512651c7af12566Mugunthan V N case ETH_SS_STATS: 997d97185466cc83902de49c7bea512651c7af12566Mugunthan V N for (i = 0; i < CPSW_STATS_LEN; i++) { 998d97185466cc83902de49c7bea512651c7af12566Mugunthan V N memcpy(p, cpsw_gstrings_stats[i].stat_string, 999d97185466cc83902de49c7bea512651c7af12566Mugunthan V N ETH_GSTRING_LEN); 1000d97185466cc83902de49c7bea512651c7af12566Mugunthan V N p += ETH_GSTRING_LEN; 1001d97185466cc83902de49c7bea512651c7af12566Mugunthan V N } 1002d97185466cc83902de49c7bea512651c7af12566Mugunthan V N break; 1003d97185466cc83902de49c7bea512651c7af12566Mugunthan V N } 1004d97185466cc83902de49c7bea512651c7af12566Mugunthan V N} 1005d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1006d97185466cc83902de49c7bea512651c7af12566Mugunthan V Nstatic void cpsw_get_ethtool_stats(struct net_device *ndev, 1007d97185466cc83902de49c7bea512651c7af12566Mugunthan V N struct ethtool_stats *stats, u64 *data) 1008d97185466cc83902de49c7bea512651c7af12566Mugunthan V N{ 1009d97185466cc83902de49c7bea512651c7af12566Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1010d97185466cc83902de49c7bea512651c7af12566Mugunthan V N struct cpdma_chan_stats rx_stats; 1011d97185466cc83902de49c7bea512651c7af12566Mugunthan V N struct cpdma_chan_stats tx_stats; 1012d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u32 val; 1013d97185466cc83902de49c7bea512651c7af12566Mugunthan V N u8 *p; 1014d97185466cc83902de49c7bea512651c7af12566Mugunthan V N int i; 1015d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1016d97185466cc83902de49c7bea512651c7af12566Mugunthan V N /* Collect Davinci CPDMA stats for Rx and Tx Channel */ 1017d97185466cc83902de49c7bea512651c7af12566Mugunthan V N cpdma_chan_get_stats(priv->rxch, &rx_stats); 1018d97185466cc83902de49c7bea512651c7af12566Mugunthan V N cpdma_chan_get_stats(priv->txch, &tx_stats); 1019d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1020d97185466cc83902de49c7bea512651c7af12566Mugunthan V N for (i = 0; i < CPSW_STATS_LEN; i++) { 1021d97185466cc83902de49c7bea512651c7af12566Mugunthan V N switch (cpsw_gstrings_stats[i].type) { 1022d97185466cc83902de49c7bea512651c7af12566Mugunthan V N case CPSW_STATS: 1023d97185466cc83902de49c7bea512651c7af12566Mugunthan V N val = readl(priv->hw_stats + 1024d97185466cc83902de49c7bea512651c7af12566Mugunthan V N cpsw_gstrings_stats[i].stat_offset); 1025d97185466cc83902de49c7bea512651c7af12566Mugunthan V N data[i] = val; 1026d97185466cc83902de49c7bea512651c7af12566Mugunthan V N break; 1027d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1028d97185466cc83902de49c7bea512651c7af12566Mugunthan V N case CPDMA_RX_STATS: 1029d97185466cc83902de49c7bea512651c7af12566Mugunthan V N p = (u8 *)&rx_stats + 1030d97185466cc83902de49c7bea512651c7af12566Mugunthan V N cpsw_gstrings_stats[i].stat_offset; 1031d97185466cc83902de49c7bea512651c7af12566Mugunthan V N data[i] = *(u32 *)p; 1032d97185466cc83902de49c7bea512651c7af12566Mugunthan V N break; 1033d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1034d97185466cc83902de49c7bea512651c7af12566Mugunthan V N case CPDMA_TX_STATS: 1035d97185466cc83902de49c7bea512651c7af12566Mugunthan V N p = (u8 *)&tx_stats + 1036d97185466cc83902de49c7bea512651c7af12566Mugunthan V N cpsw_gstrings_stats[i].stat_offset; 1037d97185466cc83902de49c7bea512651c7af12566Mugunthan V N data[i] = *(u32 *)p; 1038d97185466cc83902de49c7bea512651c7af12566Mugunthan V N break; 1039d97185466cc83902de49c7bea512651c7af12566Mugunthan V N } 1040d97185466cc83902de49c7bea512651c7af12566Mugunthan V N } 1041d97185466cc83902de49c7bea512651c7af12566Mugunthan V N} 1042d97185466cc83902de49c7bea512651c7af12566Mugunthan V N 1043d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic int cpsw_common_res_usage_state(struct cpsw_priv *priv) 1044d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 1045d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 i; 1046d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 usage_count = 0; 1047d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1048d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) 1049d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return 0; 1050d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1051d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->data.slaves; i++) 1052d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->slaves[i].open_stat) 1053d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N usage_count++; 1054d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1055d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return usage_count; 1056d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 1057d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1058d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline int cpsw_tx_packet_submit(struct net_device *ndev, 1059d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv, struct sk_buff *skb) 1060d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 1061d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) 1062d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 1063aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 0); 1064d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1065d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ndev == cpsw_get_slave_ndev(priv, 0)) 1066d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 1067aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 1); 1068d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 1069d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 1070aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 2); 1071d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 1072d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1073d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline void cpsw_add_dual_emac_def_ale_entries( 1074d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv, struct cpsw_slave *slave, 1075d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 slave_port) 1076d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 1077d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 port_mask = 1 << slave_port | 1 << priv->host_port; 1078d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1079d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->version == CPSW_VERSION_1) 1080d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_write(slave, slave->port_vlan, CPSW1_PORT_VLAN); 1081d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 1082d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_write(slave, slave->port_vlan, CPSW2_PORT_VLAN); 1083d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_vlan(priv->ale, slave->port_vlan, port_mask, 1084d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N port_mask, port_mask, 0); 1085d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1086d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N port_mask, ALE_VLAN, slave->port_vlan, 0); 1087d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_ucast(priv->ale, priv->mac_addr, 1088d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->host_port, ALE_VLAN, slave->port_vlan); 1089d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 1090d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 10911e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mackstatic void soft_reset_slave(struct cpsw_slave *slave) 1092df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1093df828598a755732e717b0adca82f884e44d37576Mugunthan V N char name[32]; 1094df828598a755732e717b0adca82f884e44d37576Mugunthan V N 10951e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack snprintf(name, sizeof(name), "slave-%d", slave->slave_num); 1096df828598a755732e717b0adca82f884e44d37576Mugunthan V N soft_reset(name, &slave->sliver->soft_reset); 10971e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack} 10981e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack 10991e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mackstatic void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) 11001e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack{ 11011e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack u32 slave_port; 11021e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack 11031e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack soft_reset_slave(slave); 1104df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1105df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup priority mapping */ 1106df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map); 11079750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 11089750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran switch (priv->version) { 11099750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran case CPSW_VERSION_1: 11109750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, TX_PRIORITY_MAPPING, CPSW1_TX_PRI_MAP); 11119750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran break; 11129750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran case CPSW_VERSION_2: 1113c193f3655d9b916a3b8cb685c6b4327397507b2fMugunthan V N case CPSW_VERSION_3: 1114926489be1d2b030c17d38fa10b5921bf3409d91dMugunthan V N case CPSW_VERSION_4: 11159750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, TX_PRIORITY_MAPPING, CPSW2_TX_PRI_MAP); 11169750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran break; 11179750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran } 1118df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1119df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup max packet size, and mac address */ 1120df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(priv->rx_packet_max, &slave->sliver->rx_maxlen); 1121df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_set_slave_mac(slave, priv); 1122df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1123df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->mac_control = 0; /* no link yet */ 1124df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1125df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave_port = cpsw_get_slave_port(priv, slave->slave_num); 1126df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1127d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 1128d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_add_dual_emac_def_ale_entries(priv, slave, slave_port); 1129d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 1130d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1131d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); 1132df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1133df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy = phy_connect(priv->ndev, slave->data->phy_id, 1134f9a8f83b04e0c362a2fc660dbad980d24af209fcFlorian Fainelli &cpsw_adjust_link, slave->data->phy_if); 1135df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (IS_ERR(slave->phy)) { 1136df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "phy %s not found on slave %d\n", 1137df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->data->phy_id, slave->slave_num); 1138df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy = NULL; 1139df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 1140df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, "phy found : id is : 0x%x\n", 1141df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy->phy_id); 1142df828598a755732e717b0adca82f884e44d37576Mugunthan V N phy_start(slave->phy); 1143388367a5a9fbbb86db815ab069c8d5e970d2b86eMugunthan V N 1144388367a5a9fbbb86db815ab069c8d5e970d2b86eMugunthan V N /* Configure GMII_SEL register */ 1145388367a5a9fbbb86db815ab069c8d5e970d2b86eMugunthan V N cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, 1146388367a5a9fbbb86db815ab069c8d5e970d2b86eMugunthan V N slave->slave_num); 1147df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1148df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1149df828598a755732e717b0adca82f884e44d37576Mugunthan V N 11503b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic inline void cpsw_add_default_vlan(struct cpsw_priv *priv) 11513b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 11523b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N const int vlan = priv->data.default_vlan; 11533b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N const int port = priv->host_port; 11543b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N u32 reg; 11553b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int i; 11561e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen int unreg_mcast_mask; 11573b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 11583b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N reg = (priv->version == CPSW_VERSION_1) ? CPSW1_PORT_VLAN : 11593b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N CPSW2_PORT_VLAN; 11603b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 11613b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N writel(vlan, &priv->host_port_regs->port_vlan); 11623b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 11630237c11044b3670adcbe80cd6dd721285347f497Daniel Mack for (i = 0; i < priv->data.slaves; i++) 11643b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N slave_write(priv->slaves + i, vlan, reg); 11653b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 11661e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen if (priv->ndev->flags & IFF_ALLMULTI) 11671e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask = ALE_ALL_PORTS; 11681e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen else 11691e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask = ALE_PORT_1 | ALE_PORT_2; 11701e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen 11713b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_add_vlan(priv->ale, vlan, ALE_ALL_PORTS << port, 11723b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << port, ALE_ALL_PORTS << port, 11731e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask << port); 11743b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 11753b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 1176df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_init_host_port(struct cpsw_priv *priv) 1177df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 11783b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N u32 control_reg; 1179d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 fifo_mode; 11803b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 1181df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* soft reset the controller and initialize ale */ 1182df828598a755732e717b0adca82f884e44d37576Mugunthan V N soft_reset("cpsw", &priv->regs->soft_reset); 1183df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_start(priv->ale); 1184df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1185df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* switch to vlan unaware mode */ 11863b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_control_set(priv->ale, priv->host_port, ALE_VLAN_AWARE, 11873b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N CPSW_ALE_VLAN_AWARE); 11883b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N control_reg = readl(&priv->regs->control); 11893b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N control_reg |= CPSW_VLAN_AWARE; 11903b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N writel(control_reg, &priv->regs->control); 1191d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N fifo_mode = (priv->data.dual_emac) ? CPSW_FIFO_DUAL_MAC_MODE : 1192d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N CPSW_FIFO_NORMAL_MODE; 1193d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N writel(fifo_mode, &priv->host_port_regs->tx_in_ctl); 1194df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1195df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup host port priority mapping */ 1196df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(CPDMA_TX_PRIORITY_MAP, 1197df828598a755732e717b0adca82f884e44d37576Mugunthan V N &priv->host_port_regs->cpdma_tx_pri_map); 1198df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(0, &priv->host_port_regs->cpdma_rx_chan_map); 1199df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1200df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, priv->host_port, 1201df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); 1202df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1203d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) { 1204d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_ucast(priv->ale, priv->mac_addr, priv->host_port, 1205d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 0, 0); 1206d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1207d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << priv->host_port, 0, 0, ALE_MCAST_FWD_2); 1208d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1209df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1210df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1211aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewiorstatic void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv) 1212aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior{ 12133995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton u32 slave_port; 12143995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton 12153995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton slave_port = cpsw_get_slave_port(priv, slave->slave_num); 12163995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton 1217aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior if (!slave->phy) 1218aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior return; 1219aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior phy_stop(slave->phy); 1220aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior phy_disconnect(slave->phy); 1221aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior slave->phy = NULL; 12223995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton cpsw_ale_control_set(priv->ale, slave_port, 12233995d265b3640fb7dc843a3c5f62ced4f121fb89Schuyler Patton ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); 1224aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior} 1225aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior 1226df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_ndo_open(struct net_device *ndev) 1227df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1228df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1229a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior struct cpsw_priv *prim_cpsw; 1230df828598a755732e717b0adca82f884e44d37576Mugunthan V N int i, ret; 1231df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 reg; 1232df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1233d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) 1234d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_intr_disable(priv); 1235df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(ndev); 1236df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1237f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_get_sync(&priv->pdev->dev); 1238df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1239549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran reg = priv->version; 1240df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1241df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n", 1242df828598a755732e717b0adca82f884e44d37576Mugunthan V N CPSW_MAJOR_VERSION(reg), CPSW_MINOR_VERSION(reg), 1243df828598a755732e717b0adca82f884e44d37576Mugunthan V N CPSW_RTL_VERSION(reg)); 1244df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1245df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* initialize host and slave ports */ 1246d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) 1247d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_init_host_port(priv); 1248df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, cpsw_slave_open, priv); 1249df828598a755732e717b0adca82f884e44d37576Mugunthan V N 12503b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N /* Add default VLAN */ 1251e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N if (!priv->data.dual_emac) 1252e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N cpsw_add_default_vlan(priv); 1253e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N else 1254e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan, 1255e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N ALE_ALL_PORTS << priv->host_port, 1256e6afea0bbf129f88dc3fc39fd0d769f9ff064172Mugunthan V N ALE_ALL_PORTS << priv->host_port, 0, 0); 12573b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 1258d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) { 1259d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* setup tx dma to fixed prio and zero offset */ 1260d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_control_set(priv->dma, CPDMA_TX_PRIO_FIXED, 1); 1261d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_control_set(priv->dma, CPDMA_RX_BUFFER_OFFSET, 0); 1262df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1263d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* disable priority elevation */ 1264d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N __raw_writel(0, &priv->regs->ptype); 1265df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1266d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* enable statistics collection only on all ports */ 1267d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N __raw_writel(0x7, &priv->regs->stat_port_en); 1268df828598a755732e717b0adca82f884e44d37576Mugunthan V N 12691923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N /* Enable internal fifo flow control */ 12701923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N writel(0x7, &priv->regs->flow_control); 12711923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 1272d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (WARN_ON(!priv->data.rx_descs)) 1273d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->data.rx_descs = 128; 1274df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1275d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->data.rx_descs; i++) { 1276d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct sk_buff *skb; 1277df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1278d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = -ENOMEM; 1279aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior skb = __netdev_alloc_skb_ip_align(priv->ndev, 1280aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior priv->rx_packet_max, GFP_KERNEL); 1281d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!skb) 1282aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior goto err_cleanup; 1283d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpdma_chan_submit(priv->rxch, skb, skb->data, 1284aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb_tailroom(skb), 0); 1285aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior if (ret < 0) { 1286aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior kfree_skb(skb); 1287aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior goto err_cleanup; 1288aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior } 1289d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1290d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* continue even if we didn't manage to submit all 1291d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N * receive descs 1292d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N */ 1293d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_info(priv, ifup, "submitted %d rx descriptors\n", i); 1294f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N 1295f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N if (cpts_register(&priv->pdev->dev, priv->cpts, 1296f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N priv->data.cpts_clock_mult, 1297f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N priv->data.cpts_clock_shift)) 1298f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N dev_err(priv->dev, "error registering cpts device\n"); 1299f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N 1300df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1301df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1302ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N /* Enable Interrupt pacing if configured */ 1303ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (priv->coal_intvl != 0) { 1304ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce coal; 1305ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 1306ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal.rx_coalesce_usecs = (priv->coal_intvl << 4); 1307ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N cpsw_set_coalesce(ndev, &coal); 1308ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 1309ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 1310f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N napi_enable(&priv->napi); 1311f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N cpdma_ctlr_start(priv->dma); 1312f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N cpsw_intr_enable(priv); 1313f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 1314f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 1315f63a975e8f07a75dbf0386402788330d0bebd8d8Mugunthan V N 1316a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior prim_cpsw = cpsw_get_slave_priv(priv, 0); 1317a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior if (prim_cpsw->irq_enabled == false) { 1318a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) { 1319a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior prim_cpsw->irq_enabled = true; 1320a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior cpsw_enable_irq(prim_cpsw); 1321a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior } 1322a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior } 1323a11fbba9a7d338c4a4e4be624af0334bbf2c9a5aSebastian Siewior 1324d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 1325d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[priv->emac_port].open_stat = true; 1326df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1327df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1328aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewiorerr_cleanup: 1329aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior cpdma_ctlr_stop(priv->dma); 1330aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior for_each_slave(priv, cpsw_slave_stop, priv); 1331aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior pm_runtime_put_sync(&priv->pdev->dev); 1332aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior netif_carrier_off(priv->ndev); 1333aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior return ret; 1334df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1335df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1336df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_ndo_stop(struct net_device *ndev) 1337df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1338df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1339df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1340df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_info(priv, ifdown, "shutting down cpsw device\n"); 1341df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(priv->ndev); 1342df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_disable(&priv->napi); 1343df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(priv->ndev); 1344d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1345d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (cpsw_common_res_usage_state(priv) <= 1) { 1346f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N cpts_unregister(priv->cpts); 1347d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_intr_disable(priv); 1348d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 1349d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_ctlr_stop(priv->dma); 1350d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_stop(priv->ale); 1351d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1352df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, cpsw_slave_stop, priv); 1353f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_put_sync(&priv->pdev->dev); 1354d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 1355d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[priv->emac_port].open_stat = false; 1356df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1357df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1358df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1359df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, 1360df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev) 1361df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1362df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1363df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret; 1364df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1365df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->trans_start = jiffies; 1366df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1367df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (skb_padto(skb, CPSW_MIN_PACKET_SIZE)) { 1368df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "packet pad failed\n"); 13698dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.tx_dropped++; 1370df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_OK; 1371df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1372df828598a755732e717b0adca82f884e44d37576Mugunthan V N 13739232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && 13749232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts->tx_enable) 13752e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; 13762e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 13772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran skb_tx_timestamp(skb); 13782e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1379d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpsw_tx_packet_submit(ndev, priv, skb); 1380df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (unlikely(ret != 0)) { 1381df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "desc submit failed\n"); 1382df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto fail; 1383df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1384df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1385fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N /* If there is no more tx desc left free then we need to 1386fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N * tell the kernel to stop sending us tx frames. 1387fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N */ 1388d35162f89b8f00537d7b240b76d2d0e8b8d29aa0Daniel Mack if (unlikely(!cpdma_check_free_tx_desc(priv->txch))) 1389fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N netif_stop_queue(ndev); 1390fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N 1391df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_OK; 1392df828598a755732e717b0adca82f884e44d37576Mugunthan V Nfail: 13938dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.tx_dropped++; 1394df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(ndev); 1395df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_BUSY; 1396df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1397df828598a755732e717b0adca82f884e44d37576Mugunthan V N 13982e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 13992e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14002e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic void cpsw_hwtstamp_v1(struct cpsw_priv *priv) 14012e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 1402e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N struct cpsw_slave *slave = &priv->slaves[priv->data.active_slave]; 14032e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran u32 ts_en, seq_id; 14042e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14059232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (!priv->cpts->tx_enable && !priv->cpts->rx_enable) { 14062e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, 0, CPSW1_TS_CTL); 14072e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return; 14082e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 14092e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14102e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran seq_id = (30 << CPSW_V1_SEQ_ID_OFS_SHIFT) | ETH_P_1588; 14112e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en = EVENT_MSG_BITS << CPSW_V1_MSG_TYPE_OFS; 14122e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14139232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->tx_enable) 14142e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en |= CPSW_V1_TS_TX_EN; 14152e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14169232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->rx_enable) 14172e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en |= CPSW_V1_TS_RX_EN; 14182e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14192e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, ts_en, CPSW1_TS_CTL); 14202e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, seq_id, CPSW1_TS_SEQ_LTYPE); 14212e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 14222e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14232e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic void cpsw_hwtstamp_v2(struct cpsw_priv *priv) 14242e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 1425d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_slave *slave; 14262e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran u32 ctrl, mtype; 14272e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1428d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 1429d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave = &priv->slaves[priv->emac_port]; 1430d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 1431e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N slave = &priv->slaves[priv->data.active_slave]; 1432d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 14332e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ctrl = slave_read(slave, CPSW2_CONTROL); 143409c5537246fd469625d116080ab1caa72d170d96George Cherian switch (priv->version) { 143509c5537246fd469625d116080ab1caa72d170d96George Cherian case CPSW_VERSION_2: 143609c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl &= ~CTRL_V2_ALL_TS_MASK; 14372e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 143809c5537246fd469625d116080ab1caa72d170d96George Cherian if (priv->cpts->tx_enable) 143909c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl |= CTRL_V2_TX_TS_BITS; 14402e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 144109c5537246fd469625d116080ab1caa72d170d96George Cherian if (priv->cpts->rx_enable) 144209c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl |= CTRL_V2_RX_TS_BITS; 144309c5537246fd469625d116080ab1caa72d170d96George Cherian break; 144409c5537246fd469625d116080ab1caa72d170d96George Cherian case CPSW_VERSION_3: 144509c5537246fd469625d116080ab1caa72d170d96George Cherian default: 144609c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl &= ~CTRL_V3_ALL_TS_MASK; 144709c5537246fd469625d116080ab1caa72d170d96George Cherian 144809c5537246fd469625d116080ab1caa72d170d96George Cherian if (priv->cpts->tx_enable) 144909c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl |= CTRL_V3_TX_TS_BITS; 145009c5537246fd469625d116080ab1caa72d170d96George Cherian 145109c5537246fd469625d116080ab1caa72d170d96George Cherian if (priv->cpts->rx_enable) 145209c5537246fd469625d116080ab1caa72d170d96George Cherian ctrl |= CTRL_V3_RX_TS_BITS; 145309c5537246fd469625d116080ab1caa72d170d96George Cherian break; 145409c5537246fd469625d116080ab1caa72d170d96George Cherian } 14552e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14562e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran mtype = (30 << TS_SEQ_ID_OFFSET_SHIFT) | EVENT_MSG_BITS; 14572e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14582e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, mtype, CPSW2_TS_SEQ_MTYPE); 14592e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, ctrl, CPSW2_CONTROL); 14602e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran __raw_writel(ETH_P_1588, &priv->regs->ts_ltype); 14612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 14622e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1463a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchingsstatic int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) 14642e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 14653177bf6f922f62743133abbcbbbb5545f4133b2dMugunthan V N struct cpsw_priv *priv = netdev_priv(dev); 14669232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N struct cpts *cpts = priv->cpts; 14672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct hwtstamp_config cfg; 14682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14692ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings if (priv->version != CPSW_VERSION_1 && 1470f7d403cb38cde82778cbb0c2a5a474a014df1771George Cherian priv->version != CPSW_VERSION_2 && 1471f7d403cb38cde82778cbb0c2a5a474a014df1771George Cherian priv->version != CPSW_VERSION_3) 14722ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings return -EOPNOTSUPP; 14732ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings 14742e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) 14752e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EFAULT; 14762e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran /* reserved for future extensions */ 14782e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (cfg.flags) 14792e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EINVAL; 14802e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14812ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings if (cfg.tx_type != HWTSTAMP_TX_OFF && cfg.tx_type != HWTSTAMP_TX_ON) 14822e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 14832e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 14842e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran switch (cfg.rx_filter) { 14852e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_NONE: 14862e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->rx_enable = 0; 14872e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 14882e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_ALL: 14892e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: 14902e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: 14912e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: 14922e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 14932e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: 14942e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: 14952e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: 14962e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: 14972e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: 14982e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: 14992e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_EVENT: 15002e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_SYNC: 15012e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: 15022e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->rx_enable = 1; 15032e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; 15042e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 15052e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran default: 15062e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 15072e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 15082e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 15092ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings cpts->tx_enable = cfg.tx_type == HWTSTAMP_TX_ON; 15102ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings 15112e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran switch (priv->version) { 15122e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case CPSW_VERSION_1: 15132e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpsw_hwtstamp_v1(priv); 15142e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 15152e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case CPSW_VERSION_2: 1516f7d403cb38cde82778cbb0c2a5a474a014df1771George Cherian case CPSW_VERSION_3: 15172e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpsw_hwtstamp_v2(priv); 15182e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 15192e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran default: 15202ee91e54bd5367bf4123719a4f7203857b28e046Ben Hutchings WARN_ON(1); 15212e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 15222e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 15232e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; 15242e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 15252e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1526a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchingsstatic int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) 1527a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings{ 1528a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings struct cpsw_priv *priv = netdev_priv(dev); 1529a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings struct cpts *cpts = priv->cpts; 1530a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings struct hwtstamp_config cfg; 1531a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings 1532a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings if (priv->version != CPSW_VERSION_1 && 1533f7d403cb38cde82778cbb0c2a5a474a014df1771George Cherian priv->version != CPSW_VERSION_2 && 1534f7d403cb38cde82778cbb0c2a5a474a014df1771George Cherian priv->version != CPSW_VERSION_3) 1535a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings return -EOPNOTSUPP; 1536a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings 1537a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings cfg.flags = 0; 1538a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings cfg.tx_type = cpts->tx_enable ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; 1539a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings cfg.rx_filter = (cpts->rx_enable ? 1540a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE); 1541a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings 1542a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; 1543a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings} 1544a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings 15452e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif /*CONFIG_TI_CPTS*/ 15462e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 15472e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) 15482e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 154911f2c988382b880e602a005c26436043c5d2c274Mugunthan V N struct cpsw_priv *priv = netdev_priv(dev); 155011f2c988382b880e602a005c26436043c5d2c274Mugunthan V N int slave_no = cpsw_slave_index(priv); 155111f2c988382b880e602a005c26436043c5d2c274Mugunthan V N 15522e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (!netif_running(dev)) 15532e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EINVAL; 15542e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 155511f2c988382b880e602a005c26436043c5d2c274Mugunthan V N switch (cmd) { 15562e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 155711f2c988382b880e602a005c26436043c5d2c274Mugunthan V N case SIOCSHWTSTAMP: 1558a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings return cpsw_hwtstamp_set(dev, req); 1559a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings case SIOCGHWTSTAMP: 1560a5b4145ba937b76dd698ad6fe5c5f37e0edbac43Ben Hutchings return cpsw_hwtstamp_get(dev, req); 15612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif 156211f2c988382b880e602a005c26436043c5d2c274Mugunthan V N } 156311f2c988382b880e602a005c26436043c5d2c274Mugunthan V N 1564c1b5994770ad5ae03336b5cdd1e0ad622a870a00Stefan Sørensen if (!priv->slaves[slave_no].phy) 1565c1b5994770ad5ae03336b5cdd1e0ad622a870a00Stefan Sørensen return -EOPNOTSUPP; 1566c1b5994770ad5ae03336b5cdd1e0ad622a870a00Stefan Sørensen return phy_mii_ioctl(priv->slaves[slave_no].phy, req, cmd); 15672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 15682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1569df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_ndo_tx_timeout(struct net_device *ndev) 1570df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1571df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1572df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1573df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "transmit timeout, restarting dma\n"); 15748dc43ddc9fe0af3a555af235a69a398c3eba2639Tobias Klauser ndev->stats.tx_errors++; 1575df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_disable(priv); 1576df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 1577df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_stop(priv->txch); 1578df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_start(priv->txch); 1579df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 1580df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 1581510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 1582510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 1583510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 1584df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1585df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1586dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V Nstatic int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) 1587dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N{ 1588dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1589dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N struct sockaddr *addr = (struct sockaddr *)p; 1590dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N int flags = 0; 1591dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N u16 vid = 0; 1592dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1593dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N if (!is_valid_ether_addr(addr->sa_data)) 1594dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N return -EADDRNOTAVAIL; 1595dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1596dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N if (priv->data.dual_emac) { 1597dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N vid = priv->slaves[priv->emac_port].port_vlan; 1598dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N flags = ALE_VLAN; 1599dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N } 1600dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1601dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N cpsw_ale_del_ucast(priv->ale, priv->mac_addr, priv->host_port, 1602dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N flags, vid); 1603dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N cpsw_ale_add_ucast(priv->ale, addr->sa_data, priv->host_port, 1604dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N flags, vid); 1605dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1606dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN); 1607dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN); 1608dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N for_each_slave(priv, cpsw_set_slave_mac, priv); 1609dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1610dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N return 0; 1611dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N} 1612dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N 1613df828598a755732e717b0adca82f884e44d37576Mugunthan V N#ifdef CONFIG_NET_POLL_CONTROLLER 1614df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_ndo_poll_controller(struct net_device *ndev) 1615df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1616df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1617df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1618df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_disable(priv); 1619df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 1620df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_interrupt(ndev->irq, priv); 1621df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 1622df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 1623510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 1624510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 1625510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 1626df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1627df828598a755732e717b0adca82f884e44d37576Mugunthan V N#endif 1628df828598a755732e717b0adca82f884e44d37576Mugunthan V N 16293b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv, 16303b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N unsigned short vid) 16313b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 16323b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int ret; 16331e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen int unreg_mcast_mask; 16341e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen 16351e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen if (priv->ndev->flags & IFF_ALLMULTI) 16361e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask = ALE_ALL_PORTS; 16371e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen else 16381e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask = ALE_PORT_1 | ALE_PORT_2; 16393b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16403b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_vlan(priv->ale, vid, 16413b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << priv->host_port, 16423b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 0, ALE_ALL_PORTS << priv->host_port, 16431e5c4bc497c0a96e1ad2974539d353870f2cb0b6Lennart Sorensen unreg_mcast_mask << priv->host_port); 16443b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 16453b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 16463b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16473b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_ucast(priv->ale, priv->mac_addr, 16483b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 16493b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 16503b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N goto clean_vid; 16513b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16523b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 16533b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << priv->host_port, 16543b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_VLAN, vid, 0); 16553b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 16563b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N goto clean_vlan_ucast; 16573b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 16583b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16593b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nclean_vlan_ucast: 16603b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_del_ucast(priv->ale, priv->mac_addr, 16613b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 16623b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nclean_vid: 16633b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_del_vlan(priv->ale, vid, 0); 16643b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 16653b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 16663b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16673b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, 166880d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 16693b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 16703b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 16713b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16723b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (vid == priv->data.default_vlan) 16733b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 16743b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16753b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid); 16763b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return cpsw_add_vlan_ale_entry(priv, vid); 16773b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 16783b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16793b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev, 168080d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 16813b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 16823b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 16833b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int ret; 16843b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16853b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (vid == priv->data.default_vlan) 16863b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 16873b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16883b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N dev_info(priv->dev, "removing vlanid %d from vlan filter\n", vid); 16893b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_del_vlan(priv->ale, vid, 0); 16903b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 16913b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 16923b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16933b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_del_ucast(priv->ale, priv->mac_addr, 16943b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 16953b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 16963b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 16973b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 16983b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return cpsw_ale_del_mcast(priv->ale, priv->ndev->broadcast, 16993b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 0, ALE_VLAN, vid); 17003b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 17013b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 1702df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct net_device_ops cpsw_netdev_ops = { 1703df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_open = cpsw_ndo_open, 1704df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_stop = cpsw_ndo_stop, 1705df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_start_xmit = cpsw_ndo_start_xmit, 1706dcfd8d5830f8cc9062eb7040f455c034e8d160e6Mugunthan V N .ndo_set_mac_address = cpsw_ndo_set_mac_address, 17072e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran .ndo_do_ioctl = cpsw_ndo_ioctl, 1708df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_validate_addr = eth_validate_addr, 17095c473ed26dba609622c9a625f896f8f59d86066cDavid S. Miller .ndo_change_mtu = eth_change_mtu, 1710df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_tx_timeout = cpsw_ndo_tx_timeout, 17115c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N .ndo_set_rx_mode = cpsw_ndo_set_rx_mode, 1712df828598a755732e717b0adca82f884e44d37576Mugunthan V N#ifdef CONFIG_NET_POLL_CONTROLLER 1713df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_poll_controller = cpsw_ndo_poll_controller, 1714df828598a755732e717b0adca82f884e44d37576Mugunthan V N#endif 17153b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N .ndo_vlan_rx_add_vid = cpsw_ndo_vlan_rx_add_vid, 17163b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N .ndo_vlan_rx_kill_vid = cpsw_ndo_vlan_rx_kill_vid, 1717df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1718df828598a755732e717b0adca82f884e44d37576Mugunthan V N 171952c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V Nstatic int cpsw_get_regs_len(struct net_device *ndev) 172052c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N{ 172152c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 172252c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N 172352c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N return priv->data.ale_entries * ALE_ENTRY_WORDS * sizeof(u32); 172452c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N} 172552c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N 172652c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V Nstatic void cpsw_get_regs(struct net_device *ndev, 172752c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N struct ethtool_regs *regs, void *p) 172852c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N{ 172952c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 173052c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N u32 *reg = p; 173152c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N 173252c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N /* update CPSW IP version */ 173352c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N regs->version = priv->version; 173452c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N 173552c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N cpsw_ale_dump(priv->ale, reg); 173652c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N} 173752c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N 1738df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_get_drvinfo(struct net_device *ndev, 1739df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct ethtool_drvinfo *info) 1740df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1741df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 17427826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko 174352c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N strlcpy(info->driver, "cpsw", sizeof(info->driver)); 17447826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->version, "1.0", sizeof(info->version)); 17457826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->bus_info, priv->pdev->name, sizeof(info->bus_info)); 174652c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N info->regdump_len = cpsw_get_regs_len(ndev); 1747df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1748df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1749df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic u32 cpsw_get_msglevel(struct net_device *ndev) 1750df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1751df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1752df828598a755732e717b0adca82f884e44d37576Mugunthan V N return priv->msg_enable; 1753df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1754df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1755df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_set_msglevel(struct net_device *ndev, u32 value) 1756df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1757df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1758df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->msg_enable = value; 1759df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1760df828598a755732e717b0adca82f884e44d37576Mugunthan V N 17612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic int cpsw_get_ts_info(struct net_device *ndev, 17622e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct ethtool_ts_info *info) 17632e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 17642e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 17652e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct cpsw_priv *priv = netdev_priv(ndev); 17662e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 17672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->so_timestamping = 17682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_HARDWARE | 17692e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_SOFTWARE | 17702e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_HARDWARE | 17712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_SOFTWARE | 17722e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_SOFTWARE | 17732e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RAW_HARDWARE; 17749232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N info->phc_index = priv->cpts->phc_index; 17752e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->tx_types = 17762e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_TX_OFF) | 17772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_TX_ON); 17782e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->rx_filters = 17792e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_FILTER_NONE) | 17802e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_FILTER_PTP_V2_EVENT); 17812e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#else 17822e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->so_timestamping = 17832e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_SOFTWARE | 17842e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_SOFTWARE | 17852e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_SOFTWARE; 17862e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->phc_index = -1; 17872e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->tx_types = 0; 17882e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->rx_filters = 0; 17892e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif 17902e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return 0; 17912e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 17922e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1793d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V Nstatic int cpsw_get_settings(struct net_device *ndev, 1794d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct ethtool_cmd *ecmd) 1795d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N{ 1796d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1797d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N int slave_no = cpsw_slave_index(priv); 1798d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1799d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N if (priv->slaves[slave_no].phy) 1800d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return phy_ethtool_gset(priv->slaves[slave_no].phy, ecmd); 1801d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N else 1802d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return -EOPNOTSUPP; 1803d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N} 1804d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1805d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V Nstatic int cpsw_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd) 1806d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N{ 1807d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1808d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N int slave_no = cpsw_slave_index(priv); 1809d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1810d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N if (priv->slaves[slave_no].phy) 1811d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return phy_ethtool_sset(priv->slaves[slave_no].phy, ecmd); 1812d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N else 1813d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return -EOPNOTSUPP; 1814d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N} 1815d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1816d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyistatic void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 1817d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi{ 1818d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi struct cpsw_priv *priv = netdev_priv(ndev); 1819d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi int slave_no = cpsw_slave_index(priv); 1820d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi 1821d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi wol->supported = 0; 1822d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi wol->wolopts = 0; 1823d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi 1824d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi if (priv->slaves[slave_no].phy) 1825d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi phy_ethtool_get_wol(priv->slaves[slave_no].phy, wol); 1826d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi} 1827d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi 1828d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyistatic int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 1829d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi{ 1830d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi struct cpsw_priv *priv = netdev_priv(ndev); 1831d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi int slave_no = cpsw_slave_index(priv); 1832d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi 1833d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi if (priv->slaves[slave_no].phy) 1834d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi return phy_ethtool_set_wol(priv->slaves[slave_no].phy, wol); 1835d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi else 1836d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi return -EOPNOTSUPP; 1837d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi} 1838d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi 18391923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V Nstatic void cpsw_get_pauseparam(struct net_device *ndev, 18401923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N struct ethtool_pauseparam *pause) 18411923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N{ 18421923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 18431923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 18441923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N pause->autoneg = AUTONEG_DISABLE; 18451923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N pause->rx_pause = priv->rx_pause ? true : false; 18461923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N pause->tx_pause = priv->tx_pause ? true : false; 18471923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N} 18481923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 18491923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V Nstatic int cpsw_set_pauseparam(struct net_device *ndev, 18501923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N struct ethtool_pauseparam *pause) 18511923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N{ 18521923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 18531923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N bool link; 18541923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 18551923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N priv->rx_pause = pause->rx_pause ? true : false; 18561923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N priv->tx_pause = pause->tx_pause ? true : false; 18571923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 18581923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N for_each_slave(priv, _cpsw_adjust_link, priv, &link); 18591923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 18601923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N return 0; 18611923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N} 18621923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N 1863df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct ethtool_ops cpsw_ethtool_ops = { 1864df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_drvinfo = cpsw_get_drvinfo, 1865df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_msglevel = cpsw_get_msglevel, 1866df828598a755732e717b0adca82f884e44d37576Mugunthan V N .set_msglevel = cpsw_set_msglevel, 1867df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_link = ethtool_op_get_link, 18682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran .get_ts_info = cpsw_get_ts_info, 1869d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N .get_settings = cpsw_get_settings, 1870d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N .set_settings = cpsw_set_settings, 1871ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N .get_coalesce = cpsw_get_coalesce, 1872ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N .set_coalesce = cpsw_set_coalesce, 1873d97185466cc83902de49c7bea512651c7af12566Mugunthan V N .get_sset_count = cpsw_get_sset_count, 1874d97185466cc83902de49c7bea512651c7af12566Mugunthan V N .get_strings = cpsw_get_strings, 1875d97185466cc83902de49c7bea512651c7af12566Mugunthan V N .get_ethtool_stats = cpsw_get_ethtool_stats, 18761923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N .get_pauseparam = cpsw_get_pauseparam, 18771923d6e4186c9470a83d0179e86e1aea8cfcbe67Mugunthan V N .set_pauseparam = cpsw_set_pauseparam, 1878d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi .get_wol = cpsw_get_wol, 1879d8a64420eb267bec9f4c99627deee4fa3bf4133eMatus Ujhelyi .set_wol = cpsw_set_wol, 188052c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N .get_regs_len = cpsw_get_regs_len, 188152c4f0ec662bbf02f1b0bcb311a48af2c8e5ee89Mugunthan V N .get_regs = cpsw_get_regs, 1882df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1883df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1884549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochranstatic void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, 1885549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 slave_reg_ofs, u32 sliver_reg_ofs) 1886df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1887df828598a755732e717b0adca82f884e44d37576Mugunthan V N void __iomem *regs = priv->regs; 1888df828598a755732e717b0adca82f884e44d37576Mugunthan V N int slave_num = slave->slave_num; 1889df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave_data *data = priv->data.slave_data + slave_num; 1890df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1891df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->data = data; 1892549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave->regs = regs + slave_reg_ofs; 1893549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave->sliver = regs + sliver_reg_ofs; 1894d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave->port_vlan = data->dual_emac_res_vlan; 1895df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1896df828598a755732e717b0adca82f884e44d37576Mugunthan V N 18970ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann#define AM33XX_CTRL_MAC_LO_REG(id) (0x630 + 0x8 * id) 18980ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann#define AM33XX_CTRL_MAC_HI_REG(id) (0x630 + 0x8 * id + 0x4) 18990ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19000ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmannstatic int cpsw_am33xx_cm_get_macid(struct device *dev, int slave, 19010ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann u8 *mac_addr) 19020ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann{ 19030ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann u32 macid_lo; 19040ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann u32 macid_hi; 19050ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann struct regmap *syscon; 19060ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19070ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon"); 19080ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann if (IS_ERR(syscon)) { 19090ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann if (PTR_ERR(syscon) == -ENODEV) 19100ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann return 0; 19110ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann return PTR_ERR(syscon); 19120ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann } 19130ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19140ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann regmap_read(syscon, AM33XX_CTRL_MAC_LO_REG(slave), &macid_lo); 19150ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann regmap_read(syscon, AM33XX_CTRL_MAC_HI_REG(slave), &macid_hi); 19160ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19170ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[5] = (macid_lo >> 8) & 0xff; 19180ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[4] = macid_lo & 0xff; 19190ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[3] = (macid_hi >> 24) & 0xff; 19200ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[2] = (macid_hi >> 16) & 0xff; 19210ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[1] = (macid_hi >> 8) & 0xff; 19220ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann mac_addr[0] = macid_hi & 0xff; 19230ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19240ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann return 0; 19250ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann} 19260ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann 19272eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V Nstatic int cpsw_probe_dt(struct cpsw_platform_data *data, 19282eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct platform_device *pdev) 19292eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N{ 19302eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct device_node *node = pdev->dev.of_node; 19312eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct device_node *slave_node; 19322eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N int i = 0, ret; 19332eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N u32 prop; 19342eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19352eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (!node) 19362eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return -EINVAL; 19372eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19382eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "slaves", &prop)) { 193988c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing slaves property in the DT.\n"); 19402eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return -EINVAL; 19412eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19422eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->slaves = prop; 19432eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1944e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N if (of_property_read_u32(node, "active_slave", &prop)) { 194588c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing active_slave property in the DT.\n"); 1946aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 194778ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran } 1948e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N data->active_slave = prop; 194978ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran 195000ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran if (of_property_read_u32(node, "cpts_clock_mult", &prop)) { 195188c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing cpts_clock_mult property in the DT.\n"); 1952aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 195300ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran } 195400ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran data->cpts_clock_mult = prop; 195500ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran 195600ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran if (of_property_read_u32(node, "cpts_clock_shift", &prop)) { 195788c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing cpts_clock_shift property in the DT.\n"); 1958aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 195900ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran } 196000ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran data->cpts_clock_shift = prop; 196100ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran 1962aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack data->slave_data = devm_kzalloc(&pdev->dev, data->slaves 1963aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack * sizeof(struct cpsw_slave_data), 1964aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack GFP_KERNEL); 1965b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches if (!data->slave_data) 1966aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -ENOMEM; 19672eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19682eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "cpdma_channels", &prop)) { 196988c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing cpdma_channels property in the DT.\n"); 1970aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 19712eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19722eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->channels = prop; 19732eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19742eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "ale_entries", &prop)) { 197588c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing ale_entries property in the DT.\n"); 1976aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 19772eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19782eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->ale_entries = prop; 19792eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19802eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "bd_ram_size", &prop)) { 198188c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing bd_ram_size property in the DT.\n"); 1982aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 19832eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19842eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->bd_ram_size = prop; 19852eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19862eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "rx_descs", &prop)) { 198788c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing rx_descs property in the DT.\n"); 1988aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 19892eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19902eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->rx_descs = prop; 19912eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 19922eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "mac_control", &prop)) { 199388c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing mac_control property in the DT.\n"); 1994aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack return -EINVAL; 19952eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 19962eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->mac_control = prop; 19972eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1998281abd965fedfe7c31927d84e01a5bfa554b5502Markus Pargmann if (of_property_read_bool(node, "dual_emac")) 1999281abd965fedfe7c31927d84e01a5bfa554b5502Markus Pargmann data->dual_emac = 1; 2000d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2001549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran /* 2002549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran * Populate all the child nodes here... 2003549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran */ 2004549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ret = of_platform_populate(node, NULL, NULL, &pdev->dev); 2005549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran /* We do not want to force this, as in some cases may not have child */ 2006549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran if (ret) 200788c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_warn(&pdev->dev, "Doesn't have any child node\n"); 2008549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 2009f468b10e3de6c5f90a14b9c82f1403a2651cef35Markus Pargmann for_each_child_of_node(node, slave_node) { 20102eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct cpsw_slave_data *slave_data = data->slave_data + i; 20112eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N const void *mac_addr = NULL; 2012549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 phyid; 2013549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran int lenp; 2014549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran const __be32 *parp; 2015549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct device_node *mdio_node; 2016549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct platform_device *mdio; 2017549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 2018f468b10e3de6c5f90a14b9c82f1403a2651cef35Markus Pargmann /* This is no slave child node, continue */ 2019f468b10e3de6c5f90a14b9c82f1403a2651cef35Markus Pargmann if (strcmp(slave_node->name, "slave")) 2020f468b10e3de6c5f90a14b9c82f1403a2651cef35Markus Pargmann continue; 2021f468b10e3de6c5f90a14b9c82f1403a2651cef35Markus Pargmann 2022549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran parp = of_get_property(slave_node, "phy_id", &lenp); 2023ce16294fda230c787ce5c35f61b2f80d14d70a72Lothar Waßmann if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { 202488c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); 202547276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N goto no_phy_slave; 20262eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 2027549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); 2028549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran phyid = be32_to_cpup(parp+1); 2029549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran mdio = of_find_device_by_node(mdio_node); 203060e71ab56b5fbd839aaef4f4af7778d86e0206f0Johan Hovold of_node_put(mdio_node); 20316954cc1f238199e971ec905c5cc87120806ac981Johan Hovold if (!mdio) { 203256fdb2e04697c06b0af421cece0f360087af9cd1Markus Pargmann dev_err(&pdev->dev, "Missing mdio platform device\n"); 20336954cc1f238199e971ec905c5cc87120806ac981Johan Hovold return -EINVAL; 2034f8d56d8f892be43a2404356073e16401eb5a42e6Stefan Roese } 203559993f48b38fd46863b23bb1bb1dc3291e7278fbJohan Hovold snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), 203659993f48b38fd46863b23bb1bb1dc3291e7278fbJohan Hovold PHY_ID_FMT, mdio->name, phyid); 20372eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 203847276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N slave_data->phy_if = of_get_phy_mode(slave_node); 203947276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N if (slave_data->phy_if < 0) { 204047276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", 204147276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N i); 204247276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N return slave_data->phy_if; 204347276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N } 204447276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V N 204547276fcc2d542e7b15e384c08b1709c1921b06c1Mugunthan V Nno_phy_slave: 20462eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N mac_addr = of_get_mac_address(slave_node); 20470ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann if (mac_addr) { 20482eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN); 20490ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann } else { 20500ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann if (of_machine_is_compatible("ti,am33xx")) { 20510ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann ret = cpsw_am33xx_cm_get_macid(&pdev->dev, i, 20520ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann slave_data->mac_addr); 20530ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann if (ret) 20540ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann return ret; 20550ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann } 20560ba517b18aac0ed747b0f0716ca87cedaa8e5491Markus Pargmann } 2057d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (data->dual_emac) { 205891c4166c1a01c00b8bed74f7a7defa620071de88Mugunthan V N if (of_property_read_u32(slave_node, "dual_emac_res_vlan", 2059d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N &prop)) { 206088c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Missing dual_emac_res_vlan in DT.\n"); 2061d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_data->dual_emac_res_vlan = i+1; 206288c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "Using %d as Reserved VLAN for %d slave\n", 206388c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian slave_data->dual_emac_res_vlan, i); 2064d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { 2065d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_data->dual_emac_res_vlan = prop; 2066d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2067d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2068d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 20692eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N i++; 20703a27bfac17fe375539c4e0a53478679645eb5ae2Mugunthan V N if (i == data->slaves) 20713a27bfac17fe375539c4e0a53478679645eb5ae2Mugunthan V N break; 20722eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 20732eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 20742eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return 0; 20752eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N} 20762eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 2077d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic int cpsw_probe_dual_emac(struct platform_device *pdev, 2078d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv) 2079d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 2080d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_platform_data *data = &priv->data; 2081d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct net_device *ndev; 2082d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv_sl2; 2083d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N int ret = 0, i; 2084d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2085d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = alloc_etherdev(sizeof(struct cpsw_priv)); 2086d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!ndev) { 208788c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "cpsw: error allocating net_device\n"); 2088d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return -ENOMEM; 2089d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2090d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2091d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2 = netdev_priv(ndev); 2092d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N spin_lock_init(&priv_sl2->lock); 2093d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->data = *data; 2094d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->pdev = pdev; 2095d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->ndev = ndev; 2096d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->dev = &ndev->dev; 2097d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); 2098d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->rx_packet_max = max(rx_packet_max, 128); 2099d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2100d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (is_valid_ether_addr(data->slave_data[1].mac_addr)) { 2101d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N memcpy(priv_sl2->mac_addr, data->slave_data[1].mac_addr, 2102d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ETH_ALEN); 210388c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_info(&pdev->dev, "cpsw: Detected MACID = %pM\n", priv_sl2->mac_addr); 2104d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { 2105d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N random_ether_addr(priv_sl2->mac_addr); 210688c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_info(&pdev->dev, "cpsw: Random MACID = %pM\n", priv_sl2->mac_addr); 2107d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2108d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N memcpy(ndev->dev_addr, priv_sl2->mac_addr, ETH_ALEN); 2109d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2110d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->slaves = priv->slaves; 2111d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->clk = priv->clk; 2112d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2113ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv_sl2->coal_intvl = 0; 2114ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv_sl2->bus_freq_mhz = priv->bus_freq_mhz; 2115ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 2116d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->regs = priv->regs; 2117d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->host_port = priv->host_port; 2118d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->host_port_regs = priv->host_port_regs; 2119d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->wr_regs = priv->wr_regs; 2120d97185466cc83902de49c7bea512651c7af12566Mugunthan V N priv_sl2->hw_stats = priv->hw_stats; 2121d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->dma = priv->dma; 2122d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->txch = priv->txch; 2123d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->rxch = priv->rxch; 2124d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->ale = priv->ale; 2125d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->emac_port = 1; 2126d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[1].ndev = ndev; 2127d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->cpts = priv->cpts; 2128d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->version = priv->version; 2129d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2130d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->num_irqs; i++) { 2131d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->irqs_table[i] = priv->irqs_table[i]; 2132d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->num_irqs = priv->num_irqs; 2133d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2134f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2135d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2136d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev->netdev_ops = &cpsw_netdev_ops; 21377ad24ea4bf620a32631d7b3069c3e30c078b0c3eWilfried Klaebe ndev->ethtool_ops = &cpsw_ethtool_ops; 2138d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N netif_napi_add(ndev, &priv_sl2->napi, cpsw_poll, CPSW_POLL_WEIGHT); 2139d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2140d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* register the network device */ 2141d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N SET_NETDEV_DEV(ndev, &pdev->dev); 2142d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = register_netdev(ndev); 2143d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ret) { 214488c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "cpsw: error registering net device\n"); 2145d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N free_netdev(ndev); 2146d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = -ENODEV; 2147d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2148d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2149d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return ret; 2150d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 2151d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2152663e12e61d8764ce342588325d1050d9cb5460c0Bill Pembertonstatic int cpsw_probe(struct platform_device *pdev) 2153df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2154d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior struct cpsw_platform_data *data; 2155df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev; 2156df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv; 2157df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_params dma_params; 2158df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_ale_params ale_params; 2159aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack void __iomem *ss_regs; 2160aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack struct resource *res, *ss_res; 2161549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 slave_offset, sliver_offset, slave_size; 2162df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret = 0, i, k = 0; 2163df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2164df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev = alloc_etherdev(sizeof(struct cpsw_priv)); 2165df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!ndev) { 216688c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "error allocating net_device\n"); 2167df828598a755732e717b0adca82f884e44d37576Mugunthan V N return -ENOMEM; 2168df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2169df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2170df828598a755732e717b0adca82f884e44d37576Mugunthan V N platform_set_drvdata(pdev, ndev); 2171df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv = netdev_priv(ndev); 2172df828598a755732e717b0adca82f884e44d37576Mugunthan V N spin_lock_init(&priv->lock); 2173df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->pdev = pdev; 2174df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->ndev = ndev; 2175df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->dev = &ndev->dev; 2176df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); 2177df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->rx_packet_max = max(rx_packet_max, 128); 21789232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts = devm_kzalloc(&pdev->dev, sizeof(struct cpts), GFP_KERNEL); 21797dcf313a7a68adc9a060e4e41a55245c0f9a3d31Mugunthan V N priv->irq_enabled = true; 2180ab8e99d276d4b72d1532bda4423b14c9e2ce053cSebastian Siewior if (!priv->cpts) { 218188c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "error allocating cpts\n"); 21824d507dffe766b8e29f29d17ae8e0611b5638286eMarkus Pargmann ret = -ENOMEM; 21839232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N goto clean_ndev_ret; 21849232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N } 2185df828598a755732e717b0adca82f884e44d37576Mugunthan V N 21861fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath /* 21871fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath * This may be required here for child devices. 21881fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath */ 21891fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath pm_runtime_enable(&pdev->dev); 21901fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath 2191739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N /* Select default pin state */ 2192739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N pinctrl_pm_select_default_state(&pdev->dev); 2193739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N 21942eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (cpsw_probe_dt(&priv->data, pdev)) { 219588c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_err(&pdev->dev, "cpsw: platform data missing\n"); 21962eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -ENODEV; 2197aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 21982eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 21992eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data = &priv->data; 22002eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 2201df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (is_valid_ether_addr(data->slave_data[0].mac_addr)) { 2202df828598a755732e717b0adca82f884e44d37576Mugunthan V N memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN); 220388c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_info(&pdev->dev, "Detected MACID = %pM\n", priv->mac_addr); 2204df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 22057efd26d0db5917b9e53d72e76e52338b2600ae20Joe Perches eth_random_addr(priv->mac_addr); 220688c99ff639aee9a5c37b796340a8fc9973bf86cbGeorge Cherian dev_info(&pdev->dev, "Random MACID = %pM\n", priv->mac_addr); 2207df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2208df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2209df828598a755732e717b0adca82f884e44d37576Mugunthan V N memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN); 2210df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2211aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack priv->slaves = devm_kzalloc(&pdev->dev, 2212aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack sizeof(struct cpsw_slave) * data->slaves, 2213aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack GFP_KERNEL); 2214df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->slaves) { 2215aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack ret = -ENOMEM; 2216aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2217df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2218df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < data->slaves; i++) 2219df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->slaves[i].slave_num = i; 2220df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2221d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[0].ndev = ndev; 2222d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->emac_port = 0; 2223d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2224aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack priv->clk = devm_clk_get(&pdev->dev, "fck"); 2225df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (IS_ERR(priv->clk)) { 2226aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack dev_err(priv->dev, "fck is not found\n"); 2227f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N ret = -ENODEV; 2228aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2229df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2230ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = 0; 2231ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->bus_freq_mhz = clk_get_rate(priv->clk) / 1000000; 2232df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2233aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack ss_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 2234aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack ss_regs = devm_ioremap_resource(&pdev->dev, ss_res); 2235aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack if (IS_ERR(ss_regs)) { 2236aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack ret = PTR_ERR(ss_regs); 2237aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2238df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2239549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->regs = ss_regs; 2240549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port = HOST_PORT_NUM; 2241df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2242f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N /* Need to enable clocks with runtime PM api to access module 2243f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N * registers 2244f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N */ 2245f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N pm_runtime_get_sync(&pdev->dev); 2246f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N priv->version = readl(&priv->regs->id_ver); 2247f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N pm_runtime_put_sync(&pdev->dev); 2248f280e89ad6a29d9969cb6b216123c798e1689bc4Mugunthan V N 2249aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack res = platform_get_resource(pdev, IORESOURCE_MEM, 1); 2250aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack priv->wr_regs = devm_ioremap_resource(&pdev->dev, res); 2251aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack if (IS_ERR(priv->wr_regs)) { 2252aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack ret = PTR_ERR(priv->wr_regs); 2253aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2254df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2255df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2256df828598a755732e717b0adca82f884e44d37576Mugunthan V N memset(&dma_params, 0, sizeof(dma_params)); 2257549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran memset(&ale_params, 0, sizeof(ale_params)); 2258549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 2259549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran switch (priv->version) { 2260549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran case CPSW_VERSION_1: 2261549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET; 2262d97185466cc83902de49c7bea512651c7af12566Mugunthan V N priv->cpts->reg = ss_regs + CPSW1_CPTS_OFFSET; 2263d97185466cc83902de49c7bea512651c7af12566Mugunthan V N priv->hw_stats = ss_regs + CPSW1_HW_STATS; 2264549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET; 2265549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET; 2266549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET; 2267549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset = CPSW1_SLAVE_OFFSET; 2268549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_size = CPSW1_SLAVE_SIZE; 2269549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset = CPSW1_SLIVER_OFFSET; 2270549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_mem_phys = 0; 2271549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran break; 2272549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran case CPSW_VERSION_2: 2273c193f3655d9b916a3b8cb685c6b4327397507b2fMugunthan V N case CPSW_VERSION_3: 2274926489be1d2b030c17d38fa10b5921bf3409d91dMugunthan V N case CPSW_VERSION_4: 2275549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET; 2276d97185466cc83902de49c7bea512651c7af12566Mugunthan V N priv->cpts->reg = ss_regs + CPSW2_CPTS_OFFSET; 2277d97185466cc83902de49c7bea512651c7af12566Mugunthan V N priv->hw_stats = ss_regs + CPSW2_HW_STATS; 2278549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET; 2279549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET; 2280549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET; 2281549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset = CPSW2_SLAVE_OFFSET; 2282549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_size = CPSW2_SLAVE_SIZE; 2283549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset = CPSW2_SLIVER_OFFSET; 2284549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_mem_phys = 2285aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack (u32 __force) ss_res->start + CPSW2_BD_OFFSET; 2286549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran break; 2287549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran default: 2288549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dev_err(priv->dev, "unknown version 0x%08x\n", priv->version); 2289549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ret = -ENODEV; 2290aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2291549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran } 2292549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran for (i = 0; i < priv->data.slaves; i++) { 2293549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct cpsw_slave *slave = &priv->slaves[i]; 2294549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran cpsw_slave_init(slave, priv, slave_offset, sliver_offset); 2295549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset += slave_size; 2296549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset += SLIVER_SIZE; 2297549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran } 2298549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 2299df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.dev = &pdev->dev; 2300549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH; 2301549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE; 2302549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP; 2303549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txcp = dma_params.txhdp + CPDMA_TXCP; 2304549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP; 2305df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2306df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.num_chan = data->channels; 2307df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.has_soft_reset = true; 2308df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE; 2309df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.desc_mem_size = data->bd_ram_size; 2310df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.desc_align = 16; 2311df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.has_ext_regs = true; 2312549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_hw_addr = dma_params.desc_mem_phys; 2313df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2314df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->dma = cpdma_ctlr_create(&dma_params); 2315df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->dma) { 2316df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing dma\n"); 2317df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOMEM; 2318aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_runtime_disable_ret; 2319df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2320df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2321df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->txch = cpdma_chan_create(priv->dma, tx_chan_num(0), 2322df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_tx_handler); 2323df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->rxch = cpdma_chan_create(priv->dma, rx_chan_num(0), 2324df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_rx_handler); 2325df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2326df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (WARN_ON(!priv->txch || !priv->rxch)) { 2327df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing dma channels\n"); 2328df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOMEM; 2329df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_dma_ret; 2330df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2331df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2332df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.dev = &ndev->dev; 2333df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_ageout = ale_ageout; 2334df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_entries = data->ale_entries; 2335df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_ports = data->slaves; 2336df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2337df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->ale = cpsw_ale_create(&ale_params); 2338df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->ale) { 2339df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing ale engine\n"); 2340df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENODEV; 2341df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_dma_ret; 2342df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2343df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2344df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->irq = platform_get_irq(pdev, 0); 2345df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (ndev->irq < 0) { 2346df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error getting irq resource\n"); 2347df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOENT; 2348df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_ale_ret; 2349df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2350df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2351df828598a755732e717b0adca82f884e44d37576Mugunthan V N while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { 2352c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack if (k >= ARRAY_SIZE(priv->irqs_table)) { 2353c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack ret = -EINVAL; 2354c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack goto clean_ale_ret; 2355c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack } 2356c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack 2357c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack ret = devm_request_irq(&pdev->dev, res->start, cpsw_interrupt, 2358c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack 0, dev_name(&pdev->dev), priv); 2359c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack if (ret < 0) { 2360c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack dev_err(priv->dev, "error attaching irq (%d)\n", ret); 2361c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack goto clean_ale_ret; 2362df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2363c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack 2364c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack priv->irqs_table[k] = res->start; 2365df828598a755732e717b0adca82f884e44d37576Mugunthan V N k++; 2366df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2367df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2368c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack priv->num_irqs = k; 2369c2b32e580ccc574cf353661ee6d900947e9fdf28Daniel Mack 2370f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2371df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2372df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->netdev_ops = &cpsw_netdev_ops; 23737ad24ea4bf620a32631d7b3069c3e30c078b0c3eWilfried Klaebe ndev->ethtool_ops = &cpsw_ethtool_ops; 2374df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_napi_add(ndev, &priv->napi, cpsw_poll, CPSW_POLL_WEIGHT); 2375df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2376df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* register the network device */ 2377df828598a755732e717b0adca82f884e44d37576Mugunthan V N SET_NETDEV_DEV(ndev, &pdev->dev); 2378df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = register_netdev(ndev); 2379df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (ret) { 2380df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error registering net device\n"); 2381df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENODEV; 2382aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_ale_ret; 2383df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 2384df828598a755732e717b0adca82f884e44d37576Mugunthan V N 23851a3b50566f259eb79039b720dbfdbb97a7a1b9c5Olof Johansson cpsw_notice(priv, probe, "initialized device (regs %pa, irq %d)\n", 23861a3b50566f259eb79039b720dbfdbb97a7a1b9c5Olof Johansson &ss_res->start, ndev->irq); 2387df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2388d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) { 2389d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpsw_probe_dual_emac(pdev, priv); 2390d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ret) { 2391d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_err(priv, probe, "error probe slave 2 emac interface\n"); 2392aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mack goto clean_ale_ret; 2393d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2394d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 2395d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 2396df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 2397df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2398df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_ale_ret: 2399df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_destroy(priv->ale); 2400df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_dma_ret: 2401df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->txch); 2402df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->rxch); 2403df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_destroy(priv->dma); 2404aa1a15e2d9199711cdcc9399fdb22544ab835a83Daniel Mackclean_runtime_disable_ret: 2405f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_disable(&pdev->dev); 2406df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_ndev_ret: 2407d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior free_netdev(priv->ndev); 2408df828598a755732e717b0adca82f884e44d37576Mugunthan V N return ret; 2409df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2410df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2411030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V Nstatic int cpsw_remove_child_device(struct device *dev, void *c) 2412030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N{ 2413030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N struct platform_device *pdev = to_platform_device(dev); 2414030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N 2415030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N of_device_unregister(pdev); 2416030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N 2417030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N return 0; 2418030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N} 2419030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N 2420663e12e61d8764ce342588325d1050d9cb5460c0Bill Pembertonstatic int cpsw_remove(struct platform_device *pdev) 2421df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2422df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 2423df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 2424df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2425d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior if (priv->data.dual_emac) 2426d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior unregister_netdev(cpsw_get_slave_ndev(priv, 1)); 2427d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior unregister_netdev(ndev); 2428df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2429df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_destroy(priv->ale); 2430df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->txch); 2431df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->rxch); 2432df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_destroy(priv->dma); 2433f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_disable(&pdev->dev); 2434030b16a0e37ff2a870dd57c5da89c1741c683684Mugunthan V N device_for_each_child(&pdev->dev, NULL, cpsw_remove_child_device); 2435d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior if (priv->data.dual_emac) 2436d1bd9acfa3419dc9d5c32589b34a370ca6ae100eSebastian Siewior free_netdev(cpsw_get_slave_ndev(priv, 1)); 2437df828598a755732e717b0adca82f884e44d37576Mugunthan V N free_netdev(ndev); 2438df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 2439df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2440df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2441df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_suspend(struct device *dev) 2442df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2443df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev = to_platform_device(dev); 2444df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 2445b90fc27a64a57b273351ceef7ae298558ff8a6acMugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 2446df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2447618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (priv->data.dual_emac) { 2448618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N int i; 24491e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack 2450618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N for (i = 0; i < priv->data.slaves; i++) { 2451618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (netif_running(priv->slaves[i].ndev)) 2452618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N cpsw_ndo_stop(priv->slaves[i].ndev); 2453618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N soft_reset_slave(priv->slaves + i); 2454618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } 2455618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } else { 2456618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (netif_running(ndev)) 2457618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N cpsw_ndo_stop(ndev); 2458618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N for_each_slave(priv, soft_reset_slave); 2459618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } 24601e7a2e219ab6bc57ed901485a0d0be85235ebe61Daniel Mack 2461f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_put_sync(&pdev->dev); 2462f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N 2463739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N /* Select sleep pin state */ 2464739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N pinctrl_pm_select_sleep_state(&pdev->dev); 2465739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N 2466df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 2467df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2468df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2469df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_resume(struct device *dev) 2470df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2471df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev = to_platform_device(dev); 2472df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 2473618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 2474df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2475f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_get_sync(&pdev->dev); 2476739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N 2477739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N /* Select default pin state */ 2478739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N pinctrl_pm_select_default_state(&pdev->dev); 2479739683b48d088bd7dcf91bcd255d7340bb76ccbdMugunthan V N 2480618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (priv->data.dual_emac) { 2481618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N int i; 2482618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N 2483618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N for (i = 0; i < priv->data.slaves; i++) { 2484618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (netif_running(priv->slaves[i].ndev)) 2485618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N cpsw_ndo_open(priv->slaves[i].ndev); 2486618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } 2487618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } else { 2488618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N if (netif_running(ndev)) 2489618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N cpsw_ndo_open(ndev); 2490618073e30c225ddaef086c030a5f0a3c7ef2d323Mugunthan V N } 2491df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 2492df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2493df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2494df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct dev_pm_ops cpsw_pm_ops = { 2495df828598a755732e717b0adca82f884e44d37576Mugunthan V N .suspend = cpsw_suspend, 2496df828598a755732e717b0adca82f884e44d37576Mugunthan V N .resume = cpsw_resume, 2497df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 2498df828598a755732e717b0adca82f884e44d37576Mugunthan V N 24992eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V Nstatic const struct of_device_id cpsw_of_mtable[] = { 25002eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N { .compatible = "ti,cpsw", }, 25012eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N { /* sentinel */ }, 25022eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N}; 25034bc21d4162366bb892dc1a4a92110c656e2622caSebastian SiewiorMODULE_DEVICE_TABLE(of, cpsw_of_mtable); 25042eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 2505df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic struct platform_driver cpsw_driver = { 2506df828598a755732e717b0adca82f884e44d37576Mugunthan V N .driver = { 2507df828598a755732e717b0adca82f884e44d37576Mugunthan V N .name = "cpsw", 2508df828598a755732e717b0adca82f884e44d37576Mugunthan V N .pm = &cpsw_pm_ops, 25091e5c76d40fd41194472b4c1b369d7d63df0bea03Sachin Kamat .of_match_table = cpsw_of_mtable, 2510df828598a755732e717b0adca82f884e44d37576Mugunthan V N }, 2511df828598a755732e717b0adca82f884e44d37576Mugunthan V N .probe = cpsw_probe, 2512663e12e61d8764ce342588325d1050d9cb5460c0Bill Pemberton .remove = cpsw_remove, 2513df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 2514df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2515df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int __init cpsw_init(void) 2516df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2517df828598a755732e717b0adca82f884e44d37576Mugunthan V N return platform_driver_register(&cpsw_driver); 2518df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2519df828598a755732e717b0adca82f884e44d37576Mugunthan V Nlate_initcall(cpsw_init); 2520df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2521df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void __exit cpsw_exit(void) 2522df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 2523df828598a755732e717b0adca82f884e44d37576Mugunthan V N platform_driver_unregister(&cpsw_driver); 2524df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 2525df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_exit(cpsw_exit); 2526df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2527df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_LICENSE("GPL"); 2528df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_AUTHOR("Cyril Chemparathy <cyril@ti.com>"); 2529df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_AUTHOR("Mugunthan V N <mugunthanvnm@ti.com>"); 2530df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_DESCRIPTION("TI CPSW Ethernet driver"); 2531