cpsw.c revision b4727e69b81b71c6e9696185091e8256d863f9be
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> 36df828598a755732e717b0adca82f884e44d37576Mugunthan V N 37df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include <linux/platform_data/cpsw.h> 38df828598a755732e717b0adca82f884e44d37576Mugunthan V N 39df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include "cpsw_ale.h" 402e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#include "cpts.h" 41df828598a755732e717b0adca82f884e44d37576Mugunthan V N#include "davinci_cpdma.h" 42df828598a755732e717b0adca82f884e44d37576Mugunthan V N 43df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \ 44df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_DRV | NETIF_MSG_LINK | \ 45df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_IFUP | NETIF_MSG_INTR | \ 46df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_PROBE | NETIF_MSG_TIMER | \ 47df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \ 48df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \ 49df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \ 50df828598a755732e717b0adca82f884e44d37576Mugunthan V N NETIF_MSG_RX_STATUS) 51df828598a755732e717b0adca82f884e44d37576Mugunthan V N 52df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_info(priv, type, format, ...) \ 53df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 54df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 55df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, format, ## __VA_ARGS__); \ 56df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 57df828598a755732e717b0adca82f884e44d37576Mugunthan V N 58df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_err(priv, type, format, ...) \ 59df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 60df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 61df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, format, ## __VA_ARGS__); \ 62df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 63df828598a755732e717b0adca82f884e44d37576Mugunthan V N 64df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_dbg(priv, type, format, ...) \ 65df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 66df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 67df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_dbg(priv->dev, format, ## __VA_ARGS__); \ 68df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 69df828598a755732e717b0adca82f884e44d37576Mugunthan V N 70df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_notice(priv, type, format, ...) \ 71df828598a755732e717b0adca82f884e44d37576Mugunthan V Ndo { \ 72df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_msg_##type(priv) && net_ratelimit()) \ 73df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_notice(priv->dev, format, ## __VA_ARGS__); \ 74df828598a755732e717b0adca82f884e44d37576Mugunthan V N} while (0) 75df828598a755732e717b0adca82f884e44d37576Mugunthan V N 765c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N#define ALE_ALL_PORTS 0x7 775c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 78df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7) 79df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MINOR_VERSION(reg) (reg & 0xff) 80df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f) 81df828598a755732e717b0adca82f884e44d37576Mugunthan V N 82e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran#define CPSW_VERSION_1 0x19010a 83e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran#define CPSW_VERSION_2 0x19010c 84549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 85549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define HOST_PORT_NUM 0 86549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define SLIVER_SIZE 0x40 87549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 88549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_HOST_PORT_OFFSET 0x028 89549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLAVE_OFFSET 0x050 90549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLAVE_SIZE 0x040 91549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_CPDMA_OFFSET 0x100 92549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_STATERAM_OFFSET 0x200 93549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_CPTS_OFFSET 0x500 94549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_ALE_OFFSET 0x600 95549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW1_SLIVER_OFFSET 0x700 96549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 97549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_HOST_PORT_OFFSET 0x108 98549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLAVE_OFFSET 0x200 99549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLAVE_SIZE 0x100 100549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_CPDMA_OFFSET 0x800 101549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_STATERAM_OFFSET 0xa00 102549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_CPTS_OFFSET 0xc00 103549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_ALE_OFFSET 0xd00 104549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_SLIVER_OFFSET 0xd80 105549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran#define CPSW2_BD_OFFSET 0x2000 106549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 107df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXTHRESH 0x0c0 108df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXFREE 0x0e0 109df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TXHDP 0x00 110df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXHDP 0x20 111df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TXCP 0x40 112df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_RXCP 0x60 113df828598a755732e717b0adca82f884e44d37576Mugunthan V N 114df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_POLL_WEIGHT 64 115df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MIN_PACKET_SIZE 60 116df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPSW_MAX_PACKET_SIZE (1500 + 14 + 4 + 4) 117df828598a755732e717b0adca82f884e44d37576Mugunthan V N 118df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define RX_PRIORITY_MAPPING 0x76543210 119df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define TX_PRIORITY_MAPPING 0x33221100 120df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define CPDMA_TX_PRIORITY_MAP 0x76543210 121df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1223b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N#define CPSW_VLAN_AWARE BIT(1) 1233b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N#define CPSW_ALE_VLAN_AWARE 1 1243b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 125d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define CPSW_FIFO_NORMAL_MODE (0 << 15) 126d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define CPSW_FIFO_DUAL_MAC_MODE (1 << 15) 127d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 15) 128d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 129ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_INTPACEEN (0x3f << 16) 130ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_INTPRESCALE_MASK (0x7FF << 0) 131ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMAX_CNT 63 132ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMIN_CNT 2 133ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) 134ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) 135ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 136df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_enable_irq(priv) \ 137df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { \ 138df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 i; \ 139df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < priv->num_irqs; i++) \ 140df828598a755732e717b0adca82f884e44d37576Mugunthan V N enable_irq(priv->irqs_table[i]); \ 141df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while (0); 142df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define cpsw_disable_irq(priv) \ 143df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { \ 144df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 i; \ 145df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < priv->num_irqs; i++) \ 146df828598a755732e717b0adca82f884e44d37576Mugunthan V N disable_irq_nosync(priv->irqs_table[i]); \ 147df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while (0); 148df828598a755732e717b0adca82f884e44d37576Mugunthan V N 149d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N#define cpsw_slave_index(priv) \ 150d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N ((priv->data.dual_emac) ? priv->emac_port : \ 151d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N priv->data.active_slave) 152d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 153df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int debug_level; 154df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(debug_level, int, 0); 155df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(debug_level, "cpsw debug level (NETIF_MSG bits)"); 156df828598a755732e717b0adca82f884e44d37576Mugunthan V N 157df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int ale_ageout = 10; 158df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(ale_ageout, int, 0); 159df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(ale_ageout, "cpsw ale ageout interval (seconds)"); 160df828598a755732e717b0adca82f884e44d37576Mugunthan V N 161df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int rx_packet_max = CPSW_MAX_PACKET_SIZE; 162df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_param(rx_packet_max, int, 0); 163df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_PARM_DESC(rx_packet_max, "maximum receive packet size (bytes)"); 164df828598a755732e717b0adca82f884e44d37576Mugunthan V N 165996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochranstruct cpsw_wr_regs { 166df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 167df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 168df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 control; 169df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 int_control; 170df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_thresh_en; 171df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_en; 172df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_en; 173df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 misc_en; 174ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 mem_allign1[8]; 175ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_thresh_stat; 176ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_stat; 177ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 tx_stat; 178ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 misc_stat; 179ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 mem_allign2[8]; 180ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 rx_imax; 181ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 tx_imax; 182ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 183df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 184df828598a755732e717b0adca82f884e44d37576Mugunthan V N 185996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochranstruct cpsw_ss_regs { 186df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 187df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 control; 188df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 189df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 stat_port_en; 190df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 ptype; 191bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 soft_idle; 192bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 thru_rate; 193bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 gap_thresh; 194bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 tx_start_wds; 195bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 flow_control; 196bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 vlan_ltype; 197bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 ts_ltype; 198bd357af2a52259778dfcc06482dc70463b7b1301Richard Cochran u32 dlr_ltype; 199df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 200df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2019750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V1 */ 2029750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */ 2039750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */ 2049750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */ 2059750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */ 2069750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */ 2079750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_CTL 0x14 /* Time Sync Control */ 2089750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */ 2099750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */ 2109750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2119750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V2 */ 2129750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_CONTROL 0x00 /* Control Register */ 2139750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */ 2149750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */ 2159750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */ 2169750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */ 2179750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */ 2189750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */ 2199750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2209750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V1 and V2 */ 2219750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */ 2229750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SA_HI 0x24 /* CPGMAC_SL Source Address High */ 2239750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */ 2249750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2259750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* CPSW_PORT_V2 only */ 2269750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */ 2279750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */ 2289750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */ 2299750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */ 2309750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */ 2319750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */ 2329750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */ 2339750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */ 2349750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2359750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* Bit definitions for the CPSW2_CONTROL register */ 2369750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define PASS_PRI_TAGGED (1<<24) /* Pass Priority Tagged */ 2379750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define VLAN_LTYPE2_EN (1<<21) /* VLAN LTYPE 2 enable */ 2389750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define VLAN_LTYPE1_EN (1<<20) /* VLAN LTYPE 1 enable */ 2399750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define DSCP_PRI_EN (1<<16) /* DSCP Priority Enable */ 2409750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_320 (1<<14) /* Time Sync Dest Port 320 enable */ 2419750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_319 (1<<13) /* Time Sync Dest Port 319 enable */ 2429750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_132 (1<<12) /* Time Sync Dest IP Addr 132 enable */ 2439750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_131 (1<<11) /* Time Sync Dest IP Addr 131 enable */ 2449750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_130 (1<<10) /* Time Sync Dest IP Addr 130 enable */ 2459750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_129 (1<<9) /* Time Sync Dest IP Addr 129 enable */ 2469750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_BIT8 (1<<8) /* ts_ttl_nonzero? */ 2479750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_ANNEX_D_EN (1<<4) /* Time Sync Annex D enable */ 2489750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_LTYPE2_EN (1<<3) /* Time Sync LTYPE 2 enable */ 2499750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_LTYPE1_EN (1<<2) /* Time Sync LTYPE 1 enable */ 2509750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_TX_EN (1<<1) /* Time Sync Transmit Enable */ 2519750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_RX_EN (1<<0) /* Time Sync Receive Enable */ 2529750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2539750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CTRL_TS_BITS \ 2549750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 | TS_BIT8 | \ 2559750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran TS_ANNEX_D_EN | TS_LTYPE1_EN) 2569750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2579750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CTRL_ALL_TS_MASK (CTRL_TS_BITS | TS_TX_EN | TS_RX_EN) 2589750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CTRL_TX_TS_BITS (CTRL_TS_BITS | TS_TX_EN) 2599750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define CTRL_RX_TS_BITS (CTRL_TS_BITS | TS_RX_EN) 2609750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2619750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */ 2629750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */ 2639750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_SEQ_ID_OFFSET_MASK (0x3f) 2649750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */ 2659750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define TS_MSG_TYPE_EN_MASK (0xffff) 2669750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 2679750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */ 2689750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3)) 269df828598a755732e717b0adca82f884e44d37576Mugunthan V N 2702e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran/* Bit definitions for the CPSW1_TS_CTL register */ 2712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_TS_RX_EN BIT(0) 2722e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_TS_TX_EN BIT(4) 2732e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_MSG_TYPE_OFS 16 2742e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 2752e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */ 2762e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#define CPSW_V1_SEQ_ID_OFS_SHIFT 16 2772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 278df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_host_regs { 279df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 max_blks; 280df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 blk_cnt; 281d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 tx_in_ctl; 282df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 port_vlan; 283df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_pri_map; 284df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 cpdma_tx_pri_map; 285df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 cpdma_rx_chan_map; 286df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 287df828598a755732e717b0adca82f884e44d37576Mugunthan V N 288df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_sliver_regs { 289df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 id_ver; 290df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control; 291df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_status; 292df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 soft_reset; 293df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_maxlen; 294df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 __reserved_0; 295df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_pause; 296df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 tx_pause; 297df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 __reserved_1; 298df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 rx_pri_map; 299df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 300df828598a755732e717b0adca82f884e44d37576Mugunthan V N 301df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_slave { 3029750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran void __iomem *regs; 303df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_sliver_regs __iomem *sliver; 304df828598a755732e717b0adca82f884e44d37576Mugunthan V N int slave_num; 305df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control; 306df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave_data *data; 307df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct phy_device *phy; 308d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct net_device *ndev; 309d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 port_vlan; 310d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 open_stat; 311df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 312df828598a755732e717b0adca82f884e44d37576Mugunthan V N 3139750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochranstatic inline u32 slave_read(struct cpsw_slave *slave, u32 offset) 3149750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran{ 3159750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran return __raw_readl(slave->regs + offset); 3169750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran} 3179750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 3189750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochranstatic inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset) 3199750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran{ 3209750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran __raw_writel(val, slave->regs + offset); 3219750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran} 3229750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 323df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstruct cpsw_priv { 324df828598a755732e717b0adca82f884e44d37576Mugunthan V N spinlock_t lock; 325df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev; 326df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev; 327df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct resource *cpsw_res; 328a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran struct resource *cpsw_wr_res; 329df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct napi_struct napi; 330df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct device *dev; 331df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_platform_data data; 332996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran struct cpsw_ss_regs __iomem *regs; 333996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran struct cpsw_wr_regs __iomem *wr_regs; 334df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_host_regs __iomem *host_port_regs; 335df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 msg_enable; 336e90cfac6c281da3c8b89dba0eb783c23872705b1Richard Cochran u32 version; 337ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 coal_intvl; 338ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 bus_freq_mhz; 339df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device_stats stats; 340df828598a755732e717b0adca82f884e44d37576Mugunthan V N int rx_packet_max; 341df828598a755732e717b0adca82f884e44d37576Mugunthan V N int host_port; 342df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct clk *clk; 343df828598a755732e717b0adca82f884e44d37576Mugunthan V N u8 mac_addr[ETH_ALEN]; 344df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave *slaves; 345df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_ctlr *dma; 346df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_chan *txch, *rxch; 347df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_ale *ale; 348df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* snapshot of IRQ numbers */ 349df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 irqs_table[4]; 350df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 num_irqs; 3519232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N struct cpts *cpts; 352d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 emac_port; 353df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 354df828598a755732e717b0adca82f884e44d37576Mugunthan V N 355df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define napi_to_priv(napi) container_of(napi, struct cpsw_priv, napi) 356d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define for_each_slave(priv, func, arg...) \ 357d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 358d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N int idx; \ 359d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) \ 360d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N (func)((priv)->slaves + priv->emac_port, ##arg);\ 361d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else \ 362d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (idx = 0; idx < (priv)->data.slaves; idx++) \ 363d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N (func)((priv)->slaves + idx, ##arg); \ 364d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } while (0) 365d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_get_slave_ndev(priv, __slave_no__) \ 366d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N (priv->slaves[__slave_no__].ndev) 367d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_get_slave_priv(priv, __slave_no__) \ 368d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ((priv->slaves[__slave_no__].ndev) ? \ 369d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N netdev_priv(priv->slaves[__slave_no__].ndev) : NULL) \ 370d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 371d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_dual_emac_src_port_detect(status, priv, ndev, skb) \ 372d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 373d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) \ 374d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N break; \ 375d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (CPDMA_RX_SOURCE_PORT(status) == 1) { \ 376d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = cpsw_get_slave_ndev(priv, 0); \ 377d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv = netdev_priv(ndev); \ 378d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N skb->dev = ndev; \ 379d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else if (CPDMA_RX_SOURCE_PORT(status) == 2) { \ 380d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = cpsw_get_slave_ndev(priv, 1); \ 381d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv = netdev_priv(ndev); \ 382d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N skb->dev = ndev; \ 383d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } \ 384df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while (0) 385d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N#define cpsw_add_mcast(priv, addr) \ 386d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N do { \ 387d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) { \ 388d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_slave *slave = priv->slaves + \ 389d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->emac_port; \ 390d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N int slave_port = cpsw_get_slave_port(priv, \ 391d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave->slave_num); \ 392d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, addr, \ 393d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << slave_port | 1 << priv->host_port, \ 394d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ALE_VLAN, slave->port_vlan, 0); \ 395d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { \ 396d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, addr, \ 397d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ALE_ALL_PORTS << priv->host_port, \ 398d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 0, 0, 0); \ 399d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } \ 400d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } while (0) 401d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 402d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline int cpsw_get_slave_port(struct cpsw_priv *priv, u32 slave_num) 403d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 404d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->host_port == 0) 405d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return slave_num + 1; 406d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 407d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return slave_num; 408d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 409df828598a755732e717b0adca82f884e44d37576Mugunthan V N 4105c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V Nstatic void cpsw_ndo_set_rx_mode(struct net_device *ndev) 4115c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N{ 4125c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 4135c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 4145c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N if (ndev->flags & IFF_PROMISC) { 4155c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* Enable promiscuous mode */ 4165c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N dev_err(priv->dev, "Ignoring Promiscuous mode\n"); 4175c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N return; 4185c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 4195c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 4205c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* Clear all mcast from ALE */ 4215c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port); 4225c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 4235c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N if (!netdev_mc_empty(ndev)) { 4245c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N struct netdev_hw_addr *ha; 4255c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 4265c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N /* program multicast address list into ALE register */ 4275c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N netdev_for_each_mc_addr(ha, ndev) { 428d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_add_mcast(priv, (u8 *)ha->addr); 4295c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 4305c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N } 4315c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N} 4325c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N 433df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_intr_enable(struct cpsw_priv *priv) 434df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 435996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0xFF, &priv->wr_regs->tx_en); 436996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0xFF, &priv->wr_regs->rx_en); 437df828598a755732e717b0adca82f884e44d37576Mugunthan V N 438df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 439df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 440df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 441df828598a755732e717b0adca82f884e44d37576Mugunthan V N 442df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_intr_disable(struct cpsw_priv *priv) 443df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 444996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0, &priv->wr_regs->tx_en); 445996a5c27880e40a7e5be2687ee9e486c09bbb29cRichard Cochran __raw_writel(0, &priv->wr_regs->rx_en); 446df828598a755732e717b0adca82f884e44d37576Mugunthan V N 447df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 448df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 449df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 450df828598a755732e717b0adca82f884e44d37576Mugunthan V N 451df828598a755732e717b0adca82f884e44d37576Mugunthan V Nvoid cpsw_tx_handler(void *token, int len, int status) 452df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 453df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct sk_buff *skb = token; 454df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = skb->dev; 455df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 456df828598a755732e717b0adca82f884e44d37576Mugunthan V N 457fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N /* Check whether the queue is stopped due to stalled tx dma, if the 458fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N * queue is stopped then start the queue as we have free desc for tx 459fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N */ 460df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (unlikely(netif_queue_stopped(ndev))) 461b56d6b3fca6d1214dbc9c5655f26e5d4ec04afc8Mugunthan V N netif_wake_queue(ndev); 4629232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N cpts_tx_timestamp(priv->cpts, skb); 463df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.tx_packets++; 464df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.tx_bytes += len; 465df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_kfree_skb_any(skb); 466df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 467df828598a755732e717b0adca82f884e44d37576Mugunthan V N 468df828598a755732e717b0adca82f884e44d37576Mugunthan V Nvoid cpsw_rx_handler(void *token, int len, int status) 469df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 470df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct sk_buff *skb = token; 471b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior struct sk_buff *new_skb; 472df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = skb->dev; 473df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 474df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret = 0; 475df828598a755732e717b0adca82f884e44d37576Mugunthan V N 476d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_dual_emac_src_port_detect(status, priv, ndev, skb); 477d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 478b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior if (unlikely(status < 0)) { 479b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior /* the interface is going down, skbs are purged */ 480df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_kfree_skb_any(skb); 481df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 482df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 483b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior 484b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior new_skb = netdev_alloc_skb_ip_align(ndev, priv->rx_packet_max); 485b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior if (new_skb) { 486df828598a755732e717b0adca82f884e44d37576Mugunthan V N skb_put(skb, len); 4879232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N cpts_rx_timestamp(priv->cpts, skb); 488df828598a755732e717b0adca82f884e44d37576Mugunthan V N skb->protocol = eth_type_trans(skb, ndev); 489df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_receive_skb(skb); 490df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.rx_bytes += len; 491df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.rx_packets++; 492b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior } else { 493b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior priv->stats.rx_dropped++; 494b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior new_skb = skb; 495df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 496df828598a755732e717b0adca82f884e44d37576Mugunthan V N 497b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior ret = cpdma_chan_submit(priv->rxch, new_skb, new_skb->data, 498b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior skb_tailroom(new_skb), 0); 499b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior if (WARN_ON(ret < 0)) 500b4727e69b81b71c6e9696185091e8256d863f9beSebastian Siewior dev_kfree_skb_any(new_skb); 501df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 502df828598a755732e717b0adca82f884e44d37576Mugunthan V N 503df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic irqreturn_t cpsw_interrupt(int irq, void *dev_id) 504df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 505df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = dev_id; 506fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior u32 rx, tx, rx_thresh; 507df828598a755732e717b0adca82f884e44d37576Mugunthan V N 508fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior rx_thresh = __raw_readl(&priv->wr_regs->rx_thresh_stat); 509fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior rx = __raw_readl(&priv->wr_regs->rx_stat); 510fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior tx = __raw_readl(&priv->wr_regs->tx_stat); 511fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (!rx_thresh && !rx && !tx) 512fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_NONE; 513fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 514fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior cpsw_intr_disable(priv); 515fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior cpsw_disable_irq(priv); 516fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 517fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (netif_running(priv->ndev)) { 518df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_schedule(&priv->napi); 519fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_HANDLED; 520fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior } 521fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 522fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior priv = cpsw_get_slave_priv(priv, 1); 523fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (!priv) 524fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_NONE; 525fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior 526fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior if (netif_running(priv->ndev)) { 527fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior napi_schedule(&priv->napi); 528fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_HANDLED; 529df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 530fd51cf199421197d14099b4ba382301cc28e5544Sebastian Siewior return IRQ_NONE; 531df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 532df828598a755732e717b0adca82f884e44d37576Mugunthan V N 533df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_poll(struct napi_struct *napi, int budget) 534df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 535df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = napi_to_priv(napi); 536df828598a755732e717b0adca82f884e44d37576Mugunthan V N int num_tx, num_rx; 537df828598a755732e717b0adca82f884e44d37576Mugunthan V N 538df828598a755732e717b0adca82f884e44d37576Mugunthan V N num_tx = cpdma_chan_process(priv->txch, 128); 539510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N if (num_tx) 540510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 541df828598a755732e717b0adca82f884e44d37576Mugunthan V N 542510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N num_rx = cpdma_chan_process(priv->rxch, budget); 543df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (num_rx < budget) { 544df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_complete(napi); 545df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 546510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 547df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_enable_irq(priv); 548df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 549df828598a755732e717b0adca82f884e44d37576Mugunthan V N 550510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N if (num_rx || num_tx) 551510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpsw_dbg(priv, intr, "poll %d rx, %d tx pkts\n", 552510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N num_rx, num_tx); 553510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 554df828598a755732e717b0adca82f884e44d37576Mugunthan V N return num_rx; 555df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 556df828598a755732e717b0adca82f884e44d37576Mugunthan V N 557df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic inline void soft_reset(const char *module, void __iomem *reg) 558df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 559df828598a755732e717b0adca82f884e44d37576Mugunthan V N unsigned long timeout = jiffies + HZ; 560df828598a755732e717b0adca82f884e44d37576Mugunthan V N 561df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(1, reg); 562df828598a755732e717b0adca82f884e44d37576Mugunthan V N do { 563df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpu_relax(); 564df828598a755732e717b0adca82f884e44d37576Mugunthan V N } while ((__raw_readl(reg) & 1) && time_after(timeout, jiffies)); 565df828598a755732e717b0adca82f884e44d37576Mugunthan V N 566df828598a755732e717b0adca82f884e44d37576Mugunthan V N WARN(__raw_readl(reg) & 1, "failed to soft-reset %s\n", module); 567df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 568df828598a755732e717b0adca82f884e44d37576Mugunthan V N 569df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \ 570df828598a755732e717b0adca82f884e44d37576Mugunthan V N ((mac)[2] << 16) | ((mac)[3] << 24)) 571df828598a755732e717b0adca82f884e44d37576Mugunthan V N#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8)) 572df828598a755732e717b0adca82f884e44d37576Mugunthan V N 573df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_set_slave_mac(struct cpsw_slave *slave, 574df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv) 575df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 5769750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, mac_hi(priv->mac_addr), SA_HI); 5779750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, mac_lo(priv->mac_addr), SA_LO); 578df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 579df828598a755732e717b0adca82f884e44d37576Mugunthan V N 580df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void _cpsw_adjust_link(struct cpsw_slave *slave, 581df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv, bool *link) 582df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 583df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct phy_device *phy = slave->phy; 584df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 mac_control = 0; 585df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 slave_port; 586df828598a755732e717b0adca82f884e44d37576Mugunthan V N 587df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!phy) 588df828598a755732e717b0adca82f884e44d37576Mugunthan V N return; 589df828598a755732e717b0adca82f884e44d37576Mugunthan V N 590df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave_port = cpsw_get_slave_port(priv, slave->slave_num); 591df828598a755732e717b0adca82f884e44d37576Mugunthan V N 592df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->link) { 593df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control = priv->data.mac_control; 594df828598a755732e717b0adca82f884e44d37576Mugunthan V N 595df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* enable forwarding */ 596df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, slave_port, 597df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); 598df828598a755732e717b0adca82f884e44d37576Mugunthan V N 599df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->speed == 1000) 600df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control |= BIT(7); /* GIGABITEN */ 601df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (phy->duplex) 602df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control |= BIT(0); /* FULLDUPLEXEN */ 603342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack 604342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack /* set speed_in input in case RMII mode is used in 100Mbps */ 605342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack if (phy->speed == 100) 606342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack mac_control |= BIT(15); 607342b7b741d76bc8aadeff844634348bb2a343d19Daniel Mack 608df828598a755732e717b0adca82f884e44d37576Mugunthan V N *link = true; 609df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 610df828598a755732e717b0adca82f884e44d37576Mugunthan V N mac_control = 0; 611df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* disable forwarding */ 612df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, slave_port, 613df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); 614df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 615df828598a755732e717b0adca82f884e44d37576Mugunthan V N 616df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (mac_control != slave->mac_control) { 617df828598a755732e717b0adca82f884e44d37576Mugunthan V N phy_print_status(phy); 618df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(mac_control, &slave->sliver->mac_control); 619df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 620df828598a755732e717b0adca82f884e44d37576Mugunthan V N 621df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->mac_control = mac_control; 622df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 623df828598a755732e717b0adca82f884e44d37576Mugunthan V N 624df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_adjust_link(struct net_device *ndev) 625df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 626df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 627df828598a755732e717b0adca82f884e44d37576Mugunthan V N bool link = false; 628df828598a755732e717b0adca82f884e44d37576Mugunthan V N 629df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, _cpsw_adjust_link, priv, &link); 630df828598a755732e717b0adca82f884e44d37576Mugunthan V N 631df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (link) { 632df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_on(ndev); 633df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_running(ndev)) 634df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_wake_queue(ndev); 635df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 636df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(ndev); 637df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(ndev); 638df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 639df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 640df828598a755732e717b0adca82f884e44d37576Mugunthan V N 641ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V Nstatic int cpsw_get_coalesce(struct net_device *ndev, 642ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce *coal) 643ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N{ 644ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 645ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 646ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal->rx_coalesce_usecs = priv->coal_intvl; 647ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N return 0; 648ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N} 649ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 650ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V Nstatic int cpsw_set_coalesce(struct net_device *ndev, 651ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce *coal) 652ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N{ 653ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 654ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 int_ctrl; 655ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 num_interrupts = 0; 656ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 prescale = 0; 657ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 addnl_dvdr = 1; 658ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N u32 coal_intvl = 0; 659ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 660ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (!coal->rx_coalesce_usecs) 661ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N return -EINVAL; 662ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 663ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = coal->rx_coalesce_usecs; 664ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 665ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl = readl(&priv->wr_regs->int_control); 666ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N prescale = priv->bus_freq_mhz * 4; 667ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 668ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl < CPSW_CMINTMIN_INTVL) 669ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = CPSW_CMINTMIN_INTVL; 670ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 671ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl > CPSW_CMINTMAX_INTVL) { 672ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N /* Interrupt pacer works with 4us Pulse, we can 673ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N * throttle further by dilating the 4us pulse. 674ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N */ 675ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N addnl_dvdr = CPSW_INTPRESCALE_MASK / prescale; 676ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 677ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (addnl_dvdr > 1) { 678ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N prescale *= addnl_dvdr; 679ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (coal_intvl > (CPSW_CMINTMAX_INTVL * addnl_dvdr)) 680ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = (CPSW_CMINTMAX_INTVL 681ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N * addnl_dvdr); 682ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } else { 683ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N addnl_dvdr = 1; 684ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal_intvl = CPSW_CMINTMAX_INTVL; 685ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 686ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 687ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 688ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N num_interrupts = (1000 * addnl_dvdr) / coal_intvl; 689ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(num_interrupts, &priv->wr_regs->rx_imax); 690ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(num_interrupts, &priv->wr_regs->tx_imax); 691ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 692ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl |= CPSW_INTPACEEN; 693ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl &= (~CPSW_INTPRESCALE_MASK); 694ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int_ctrl |= (prescale & CPSW_INTPRESCALE_MASK); 695ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N writel(int_ctrl, &priv->wr_regs->int_control); 696ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 697ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N cpsw_notice(priv, timer, "Set coalesce to %d usecs.\n", coal_intvl); 698ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (priv->data.dual_emac) { 699ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N int i; 700ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 701ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N for (i = 0; i < priv->data.slaves; i++) { 702ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv = netdev_priv(priv->slaves[i].ndev); 703ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = coal_intvl; 704ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 705ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } else { 706ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = coal_intvl; 707ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 708ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 709ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N return 0; 710ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N} 711ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 712df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic inline int __show_stat(char *buf, int maxlen, const char *name, u32 val) 713df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 714df828598a755732e717b0adca82f884e44d37576Mugunthan V N static char *leader = "........................................"; 715df828598a755732e717b0adca82f884e44d37576Mugunthan V N 716df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!val) 717df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 718df828598a755732e717b0adca82f884e44d37576Mugunthan V N else 719df828598a755732e717b0adca82f884e44d37576Mugunthan V N return snprintf(buf, maxlen, "%s %s %10d\n", name, 720df828598a755732e717b0adca82f884e44d37576Mugunthan V N leader + strlen(name), val); 721df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 722df828598a755732e717b0adca82f884e44d37576Mugunthan V N 723d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic int cpsw_common_res_usage_state(struct cpsw_priv *priv) 724d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 725d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 i; 726d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 usage_count = 0; 727d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 728d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) 729d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return 0; 730d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 731d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->data.slaves; i++) 732d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->slaves[i].open_stat) 733d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N usage_count++; 734d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 735d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return usage_count; 736d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 737d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 738d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline int cpsw_tx_packet_submit(struct net_device *ndev, 739d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv, struct sk_buff *skb) 740d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 741d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) 742d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 743aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 0); 744d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 745d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ndev == cpsw_get_slave_ndev(priv, 0)) 746d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 747aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 1); 748d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 749d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return cpdma_chan_submit(priv->txch, skb, skb->data, 750aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb->len, 2); 751d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 752d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 753d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic inline void cpsw_add_dual_emac_def_ale_entries( 754d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv, struct cpsw_slave *slave, 755d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 slave_port) 756d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 757d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 port_mask = 1 << slave_port | 1 << priv->host_port; 758d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 759d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->version == CPSW_VERSION_1) 760d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_write(slave, slave->port_vlan, CPSW1_PORT_VLAN); 761d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 762d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_write(slave, slave->port_vlan, CPSW2_PORT_VLAN); 763d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_vlan(priv->ale, slave->port_vlan, port_mask, 764d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N port_mask, port_mask, 0); 765d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 766d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N port_mask, ALE_VLAN, slave->port_vlan, 0); 767d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_ucast(priv->ale, priv->mac_addr, 768d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->host_port, ALE_VLAN, slave->port_vlan); 769d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 770d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 771df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) 772df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 773df828598a755732e717b0adca82f884e44d37576Mugunthan V N char name[32]; 774df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 slave_port; 775df828598a755732e717b0adca82f884e44d37576Mugunthan V N 776df828598a755732e717b0adca82f884e44d37576Mugunthan V N sprintf(name, "slave-%d", slave->slave_num); 777df828598a755732e717b0adca82f884e44d37576Mugunthan V N 778df828598a755732e717b0adca82f884e44d37576Mugunthan V N soft_reset(name, &slave->sliver->soft_reset); 779df828598a755732e717b0adca82f884e44d37576Mugunthan V N 780df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup priority mapping */ 781df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map); 7829750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran 7839750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran switch (priv->version) { 7849750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran case CPSW_VERSION_1: 7859750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, TX_PRIORITY_MAPPING, CPSW1_TX_PRI_MAP); 7869750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran break; 7879750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran case CPSW_VERSION_2: 7889750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran slave_write(slave, TX_PRIORITY_MAPPING, CPSW2_TX_PRI_MAP); 7899750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran break; 7909750a3ade7b635a18f04371b4fddad0de0b4e6d8Richard Cochran } 791df828598a755732e717b0adca82f884e44d37576Mugunthan V N 792df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup max packet size, and mac address */ 793df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(priv->rx_packet_max, &slave->sliver->rx_maxlen); 794df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_set_slave_mac(slave, priv); 795df828598a755732e717b0adca82f884e44d37576Mugunthan V N 796df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->mac_control = 0; /* no link yet */ 797df828598a755732e717b0adca82f884e44d37576Mugunthan V N 798df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave_port = cpsw_get_slave_port(priv, slave->slave_num); 799df828598a755732e717b0adca82f884e44d37576Mugunthan V N 800d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 801d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_add_dual_emac_def_ale_entries(priv, slave, slave_port); 802d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 803d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 804d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); 805df828598a755732e717b0adca82f884e44d37576Mugunthan V N 806df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy = phy_connect(priv->ndev, slave->data->phy_id, 807f9a8f83b04e0c362a2fc660dbad980d24af209fcFlorian Fainelli &cpsw_adjust_link, slave->data->phy_if); 808df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (IS_ERR(slave->phy)) { 809df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "phy %s not found on slave %d\n", 810df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->data->phy_id, slave->slave_num); 811df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy = NULL; 812df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 813df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, "phy found : id is : 0x%x\n", 814df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->phy->phy_id); 815df828598a755732e717b0adca82f884e44d37576Mugunthan V N phy_start(slave->phy); 816df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 817df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 818df828598a755732e717b0adca82f884e44d37576Mugunthan V N 8193b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic inline void cpsw_add_default_vlan(struct cpsw_priv *priv) 8203b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 8213b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N const int vlan = priv->data.default_vlan; 8223b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N const int port = priv->host_port; 8233b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N u32 reg; 8243b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int i; 8253b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 8263b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N reg = (priv->version == CPSW_VERSION_1) ? CPSW1_PORT_VLAN : 8273b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N CPSW2_PORT_VLAN; 8283b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 8293b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N writel(vlan, &priv->host_port_regs->port_vlan); 8303b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 8310237c11044b3670adcbe80cd6dd721285347f497Daniel Mack for (i = 0; i < priv->data.slaves; i++) 8323b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N slave_write(priv->slaves + i, vlan, reg); 8333b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 8343b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_add_vlan(priv->ale, vlan, ALE_ALL_PORTS << port, 8353b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << port, ALE_ALL_PORTS << port, 8363b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N (ALE_PORT_1 | ALE_PORT_2) << port); 8373b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 8383b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 839df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_init_host_port(struct cpsw_priv *priv) 840df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 8413b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N u32 control_reg; 842d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N u32 fifo_mode; 8433b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 844df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* soft reset the controller and initialize ale */ 845df828598a755732e717b0adca82f884e44d37576Mugunthan V N soft_reset("cpsw", &priv->regs->soft_reset); 846df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_start(priv->ale); 847df828598a755732e717b0adca82f884e44d37576Mugunthan V N 848df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* switch to vlan unaware mode */ 8493b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_control_set(priv->ale, priv->host_port, ALE_VLAN_AWARE, 8503b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N CPSW_ALE_VLAN_AWARE); 8513b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N control_reg = readl(&priv->regs->control); 8523b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N control_reg |= CPSW_VLAN_AWARE; 8533b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N writel(control_reg, &priv->regs->control); 854d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N fifo_mode = (priv->data.dual_emac) ? CPSW_FIFO_DUAL_MAC_MODE : 855d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N CPSW_FIFO_NORMAL_MODE; 856d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N writel(fifo_mode, &priv->host_port_regs->tx_in_ctl); 857df828598a755732e717b0adca82f884e44d37576Mugunthan V N 858df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* setup host port priority mapping */ 859df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(CPDMA_TX_PRIORITY_MAP, 860df828598a755732e717b0adca82f884e44d37576Mugunthan V N &priv->host_port_regs->cpdma_tx_pri_map); 861df828598a755732e717b0adca82f884e44d37576Mugunthan V N __raw_writel(0, &priv->host_port_regs->cpdma_rx_chan_map); 862df828598a755732e717b0adca82f884e44d37576Mugunthan V N 863df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_control_set(priv->ale, priv->host_port, 864df828598a755732e717b0adca82f884e44d37576Mugunthan V N ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); 865df828598a755732e717b0adca82f884e44d37576Mugunthan V N 866d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) { 867d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_ucast(priv->ale, priv->mac_addr, priv->host_port, 868d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 0, 0); 869d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 870d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1 << priv->host_port, 0, 0, ALE_MCAST_FWD_2); 871d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 872df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 873df828598a755732e717b0adca82f884e44d37576Mugunthan V N 874aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewiorstatic void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv) 875aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior{ 876aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior if (!slave->phy) 877aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior return; 878aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior phy_stop(slave->phy); 879aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior phy_disconnect(slave->phy); 880aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior slave->phy = NULL; 881aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior} 882aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior 883df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_ndo_open(struct net_device *ndev) 884df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 885df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 886df828598a755732e717b0adca82f884e44d37576Mugunthan V N int i, ret; 887df828598a755732e717b0adca82f884e44d37576Mugunthan V N u32 reg; 888df828598a755732e717b0adca82f884e44d37576Mugunthan V N 889d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) 890d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_intr_disable(priv); 891df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(ndev); 892df828598a755732e717b0adca82f884e44d37576Mugunthan V N 893f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_get_sync(&priv->pdev->dev); 894df828598a755732e717b0adca82f884e44d37576Mugunthan V N 895549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran reg = priv->version; 896df828598a755732e717b0adca82f884e44d37576Mugunthan V N 897df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n", 898df828598a755732e717b0adca82f884e44d37576Mugunthan V N CPSW_MAJOR_VERSION(reg), CPSW_MINOR_VERSION(reg), 899df828598a755732e717b0adca82f884e44d37576Mugunthan V N CPSW_RTL_VERSION(reg)); 900df828598a755732e717b0adca82f884e44d37576Mugunthan V N 901df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* initialize host and slave ports */ 902d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) 903d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_init_host_port(priv); 904df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, cpsw_slave_open, priv); 905df828598a755732e717b0adca82f884e44d37576Mugunthan V N 9063b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N /* Add default VLAN */ 907d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!priv->data.dual_emac) 908d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_add_default_vlan(priv); 9093b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 910d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!cpsw_common_res_usage_state(priv)) { 911d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* setup tx dma to fixed prio and zero offset */ 912d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_control_set(priv->dma, CPDMA_TX_PRIO_FIXED, 1); 913d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_control_set(priv->dma, CPDMA_RX_BUFFER_OFFSET, 0); 914df828598a755732e717b0adca82f884e44d37576Mugunthan V N 915d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* disable priority elevation */ 916d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N __raw_writel(0, &priv->regs->ptype); 917df828598a755732e717b0adca82f884e44d37576Mugunthan V N 918d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* enable statistics collection only on all ports */ 919d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N __raw_writel(0x7, &priv->regs->stat_port_en); 920df828598a755732e717b0adca82f884e44d37576Mugunthan V N 921d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (WARN_ON(!priv->data.rx_descs)) 922d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->data.rx_descs = 128; 923df828598a755732e717b0adca82f884e44d37576Mugunthan V N 924d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->data.rx_descs; i++) { 925d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct sk_buff *skb; 926df828598a755732e717b0adca82f884e44d37576Mugunthan V N 927d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = -ENOMEM; 928aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior skb = __netdev_alloc_skb_ip_align(priv->ndev, 929aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior priv->rx_packet_max, GFP_KERNEL); 930d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!skb) 931aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior goto err_cleanup; 932d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpdma_chan_submit(priv->rxch, skb, skb->data, 933aef614e13dfbdd3b9ae44ad110159f75b9029bbaSebastian Siewior skb_tailroom(skb), 0); 934aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior if (ret < 0) { 935aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior kfree_skb(skb); 936aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior goto err_cleanup; 937aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior } 938d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 939d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* continue even if we didn't manage to submit all 940d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N * receive descs 941d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N */ 942d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_info(priv, ifup, "submitted %d rx descriptors\n", i); 943df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 944df828598a755732e717b0adca82f884e44d37576Mugunthan V N 945ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N /* Enable Interrupt pacing if configured */ 946ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N if (priv->coal_intvl != 0) { 947ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N struct ethtool_coalesce coal; 948ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 949ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N coal.rx_coalesce_usecs = (priv->coal_intvl << 4); 950ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N cpsw_set_coalesce(ndev, &coal); 951ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N } 952ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 953df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_start(priv->dma); 954df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 955df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_enable(&priv->napi); 956510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 957510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 958df828598a755732e717b0adca82f884e44d37576Mugunthan V N 959d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 960d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[priv->emac_port].open_stat = true; 961df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 962df828598a755732e717b0adca82f884e44d37576Mugunthan V N 963aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewiorerr_cleanup: 964aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior cpdma_ctlr_stop(priv->dma); 965aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior for_each_slave(priv, cpsw_slave_stop, priv); 966aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior pm_runtime_put_sync(&priv->pdev->dev); 967aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior netif_carrier_off(priv->ndev); 968aacebbf8026ecdae1b55db3912e65c6b1308f5edSebastian Siewior return ret; 969df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 970df828598a755732e717b0adca82f884e44d37576Mugunthan V N 971df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_ndo_stop(struct net_device *ndev) 972df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 973df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 974df828598a755732e717b0adca82f884e44d37576Mugunthan V N 975df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_info(priv, ifdown, "shutting down cpsw device\n"); 976df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(priv->ndev); 977df828598a755732e717b0adca82f884e44d37576Mugunthan V N napi_disable(&priv->napi); 978df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_carrier_off(priv->ndev); 979d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 980d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (cpsw_common_res_usage_state(priv) <= 1) { 981d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_intr_disable(priv); 982d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 983d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpdma_ctlr_stop(priv->dma); 984d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_ale_stop(priv->ale); 985d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 986df828598a755732e717b0adca82f884e44d37576Mugunthan V N for_each_slave(priv, cpsw_slave_stop, priv); 987f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_put_sync(&priv->pdev->dev); 988d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 989d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[priv->emac_port].open_stat = false; 990df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 991df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 992df828598a755732e717b0adca82f884e44d37576Mugunthan V N 993df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, 994df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev) 995df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 996df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 997df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret; 998df828598a755732e717b0adca82f884e44d37576Mugunthan V N 999df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->trans_start = jiffies; 1000df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1001df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (skb_padto(skb, CPSW_MIN_PACKET_SIZE)) { 1002df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "packet pad failed\n"); 1003df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.tx_dropped++; 1004df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_OK; 1005df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1006df828598a755732e717b0adca82f884e44d37576Mugunthan V N 10079232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && 10089232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts->tx_enable) 10092e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; 10102e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10112e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran skb_tx_timestamp(skb); 10122e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1013d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpsw_tx_packet_submit(ndev, priv, skb); 1014df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (unlikely(ret != 0)) { 1015df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "desc submit failed\n"); 1016df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto fail; 1017df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1018df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1019fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N /* If there is no more tx desc left free then we need to 1020fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N * tell the kernel to stop sending us tx frames. 1021fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N */ 1022d35162f89b8f00537d7b240b76d2d0e8b8d29aa0Daniel Mack if (unlikely(!cpdma_check_free_tx_desc(priv->txch))) 1023fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N netif_stop_queue(ndev); 1024fae50823d0ee579e006a7ba2b20880e354388b25Mugunthan V N 1025df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_OK; 1026df828598a755732e717b0adca82f884e44d37576Mugunthan V Nfail: 1027df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.tx_dropped++; 1028df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_stop_queue(ndev); 1029df828598a755732e717b0adca82f884e44d37576Mugunthan V N return NETDEV_TX_BUSY; 1030df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1031df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1032df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_ndo_change_rx_flags(struct net_device *ndev, int flags) 1033df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1034df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* 1035df828598a755732e717b0adca82f884e44d37576Mugunthan V N * The switch cannot operate in promiscuous mode without substantial 1036df828598a755732e717b0adca82f884e44d37576Mugunthan V N * headache. For promiscuous mode to work, we would need to put the 1037df828598a755732e717b0adca82f884e44d37576Mugunthan V N * ALE in bypass mode and route all traffic to the host port. 1038df828598a755732e717b0adca82f884e44d37576Mugunthan V N * Subsequently, the host will need to operate as a "bridge", learn, 1039df828598a755732e717b0adca82f884e44d37576Mugunthan V N * and flood as needed. For now, we simply complain here and 1040df828598a755732e717b0adca82f884e44d37576Mugunthan V N * do nothing about it :-) 1041df828598a755732e717b0adca82f884e44d37576Mugunthan V N */ 1042df828598a755732e717b0adca82f884e44d37576Mugunthan V N if ((flags & IFF_PROMISC) && (ndev->flags & IFF_PROMISC)) 1043df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(&ndev->dev, "promiscuity ignored!\n"); 1044df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1045df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* 1046df828598a755732e717b0adca82f884e44d37576Mugunthan V N * The switch cannot filter multicast traffic unless it is configured 1047df828598a755732e717b0adca82f884e44d37576Mugunthan V N * in "VLAN Aware" mode. Unfortunately, VLAN awareness requires a 1048df828598a755732e717b0adca82f884e44d37576Mugunthan V N * whole bunch of additional logic that this driver does not implement 1049df828598a755732e717b0adca82f884e44d37576Mugunthan V N * at present. 1050df828598a755732e717b0adca82f884e44d37576Mugunthan V N */ 1051df828598a755732e717b0adca82f884e44d37576Mugunthan V N if ((flags & IFF_ALLMULTI) && !(ndev->flags & IFF_ALLMULTI)) 1052df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(&ndev->dev, "multicast traffic cannot be filtered!\n"); 1053df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1054df828598a755732e717b0adca82f884e44d37576Mugunthan V N 10552e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 10562e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10572e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic void cpsw_hwtstamp_v1(struct cpsw_priv *priv) 10582e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 1059e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N struct cpsw_slave *slave = &priv->slaves[priv->data.active_slave]; 10602e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran u32 ts_en, seq_id; 10612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10629232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (!priv->cpts->tx_enable && !priv->cpts->rx_enable) { 10632e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, 0, CPSW1_TS_CTL); 10642e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return; 10652e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 10662e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran seq_id = (30 << CPSW_V1_SEQ_ID_OFS_SHIFT) | ETH_P_1588; 10682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en = EVENT_MSG_BITS << CPSW_V1_MSG_TYPE_OFS; 10692e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10709232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->tx_enable) 10712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en |= CPSW_V1_TS_TX_EN; 10722e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10739232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->rx_enable) 10742e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ts_en |= CPSW_V1_TS_RX_EN; 10752e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10762e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, ts_en, CPSW1_TS_CTL); 10772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, seq_id, CPSW1_TS_SEQ_LTYPE); 10782e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 10792e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10802e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic void cpsw_hwtstamp_v2(struct cpsw_priv *priv) 10812e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 1082d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_slave *slave; 10832e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran u32 ctrl, mtype; 10842e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1085d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) 1086d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave = &priv->slaves[priv->emac_port]; 1087d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N else 1088e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N slave = &priv->slaves[priv->data.active_slave]; 1089d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 10902e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ctrl = slave_read(slave, CPSW2_CONTROL); 10912e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ctrl &= ~CTRL_ALL_TS_MASK; 10922e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10939232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->tx_enable) 10942e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ctrl |= CTRL_TX_TS_BITS; 10952e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10969232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (priv->cpts->rx_enable) 10972e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran ctrl |= CTRL_RX_TS_BITS; 10982e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 10992e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran mtype = (30 << TS_SEQ_ID_OFFSET_SHIFT) | EVENT_MSG_BITS; 11002e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11012e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, mtype, CPSW2_TS_SEQ_MTYPE); 11022e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran slave_write(slave, ctrl, CPSW2_CONTROL); 11032e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran __raw_writel(ETH_P_1588, &priv->regs->ts_ltype); 11042e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 11052e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11063177bf6f922f62743133abbcbbbb5545f4133b2dMugunthan V Nstatic int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) 11072e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 11083177bf6f922f62743133abbcbbbb5545f4133b2dMugunthan V N struct cpsw_priv *priv = netdev_priv(dev); 11099232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N struct cpts *cpts = priv->cpts; 11102e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct hwtstamp_config cfg; 11112e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11122e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) 11132e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EFAULT; 11142e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11152e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran /* reserved for future extensions */ 11162e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (cfg.flags) 11172e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EINVAL; 11182e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11192e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran switch (cfg.tx_type) { 11202e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_TX_OFF: 11212e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->tx_enable = 0; 11222e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11232e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_TX_ON: 11242e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->tx_enable = 1; 11252e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11262e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran default: 11272e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 11282e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 11292e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11302e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran switch (cfg.rx_filter) { 11312e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_NONE: 11322e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->rx_enable = 0; 11332e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11342e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_ALL: 11352e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: 11362e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: 11372e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: 11382e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 11392e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: 11402e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: 11412e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: 11422e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: 11432e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: 11442e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: 11452e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_EVENT: 11462e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_SYNC: 11472e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: 11482e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpts->rx_enable = 1; 11492e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; 11502e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11512e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran default: 11522e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ERANGE; 11532e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 11542e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11552e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran switch (priv->version) { 11562e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case CPSW_VERSION_1: 11572e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpsw_hwtstamp_v1(priv); 11582e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11592e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran case CPSW_VERSION_2: 11602e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran cpsw_hwtstamp_v2(priv); 11612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran break; 11622e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran default: 11632e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -ENOTSUPP; 11642e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran } 11652e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11662e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; 11672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 11682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11692e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif /*CONFIG_TI_CPTS*/ 11702e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 11712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) 11722e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 117311f2c988382b880e602a005c26436043c5d2c274Mugunthan V N struct cpsw_priv *priv = netdev_priv(dev); 117411f2c988382b880e602a005c26436043c5d2c274Mugunthan V N struct mii_ioctl_data *data = if_mii(req); 117511f2c988382b880e602a005c26436043c5d2c274Mugunthan V N int slave_no = cpsw_slave_index(priv); 117611f2c988382b880e602a005c26436043c5d2c274Mugunthan V N 11772e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran if (!netif_running(dev)) 11782e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return -EINVAL; 11792e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 118011f2c988382b880e602a005c26436043c5d2c274Mugunthan V N switch (cmd) { 11812e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 118211f2c988382b880e602a005c26436043c5d2c274Mugunthan V N case SIOCSHWTSTAMP: 11833177bf6f922f62743133abbcbbbb5545f4133b2dMugunthan V N return cpsw_hwtstamp_ioctl(dev, req); 11842e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif 118511f2c988382b880e602a005c26436043c5d2c274Mugunthan V N case SIOCGMIIPHY: 118611f2c988382b880e602a005c26436043c5d2c274Mugunthan V N data->phy_id = priv->slaves[slave_no].phy->addr; 118711f2c988382b880e602a005c26436043c5d2c274Mugunthan V N break; 118811f2c988382b880e602a005c26436043c5d2c274Mugunthan V N default: 118911f2c988382b880e602a005c26436043c5d2c274Mugunthan V N return -ENOTSUPP; 119011f2c988382b880e602a005c26436043c5d2c274Mugunthan V N } 119111f2c988382b880e602a005c26436043c5d2c274Mugunthan V N 119211f2c988382b880e602a005c26436043c5d2c274Mugunthan V N return 0; 11932e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 11942e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1195df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_ndo_tx_timeout(struct net_device *ndev) 1196df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1197df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1198df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1199df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_err(priv, tx_err, "transmit timeout, restarting dma\n"); 1200df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->stats.tx_errors++; 1201df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_disable(priv); 1202df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 1203df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_stop(priv->txch); 1204df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_start(priv->txch); 1205df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 1206df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 1207510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 1208510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 1209510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 1210df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1211df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1212df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic struct net_device_stats *cpsw_ndo_get_stats(struct net_device *ndev) 1213df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1214df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1215df828598a755732e717b0adca82f884e44d37576Mugunthan V N return &priv->stats; 1216df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1217df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1218df828598a755732e717b0adca82f884e44d37576Mugunthan V N#ifdef CONFIG_NET_POLL_CONTROLLER 1219df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_ndo_poll_controller(struct net_device *ndev) 1220df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1221df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1222df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1223df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_disable(priv); 1224df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, false); 1225df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_interrupt(ndev->irq, priv); 1226df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_int_ctrl(priv->dma, true); 1227df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_intr_enable(priv); 1228510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); 1229510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); 1230510a1e7249298f6bbd049e1ec98041ddf5ef6452Mugunthan V N 1231df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1232df828598a755732e717b0adca82f884e44d37576Mugunthan V N#endif 1233df828598a755732e717b0adca82f884e44d37576Mugunthan V N 12343b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv, 12353b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N unsigned short vid) 12363b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 12373b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int ret; 12383b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12393b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_vlan(priv->ale, vid, 12403b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << priv->host_port, 12413b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 0, ALE_ALL_PORTS << priv->host_port, 12423b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N (ALE_PORT_1 | ALE_PORT_2) << priv->host_port); 12433b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 12443b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 12453b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12463b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_ucast(priv->ale, priv->mac_addr, 12473b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 12483b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 12493b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N goto clean_vid; 12503b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12513b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 12523b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_ALL_PORTS << priv->host_port, 12533b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ALE_VLAN, vid, 0); 12543b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 12553b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N goto clean_vlan_ucast; 12563b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 12573b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12583b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nclean_vlan_ucast: 12593b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_del_ucast(priv->ale, priv->mac_addr, 12603b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 12613b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nclean_vid: 12623b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N cpsw_ale_del_vlan(priv->ale, vid, 0); 12633b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 12643b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 12653b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12663b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev, 126780d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 12683b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 12693b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 12703b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12713b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (vid == priv->data.default_vlan) 12723b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 12733b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12743b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N dev_info(priv->dev, "Adding vlanid %d to vlan filter\n", vid); 12753b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return cpsw_add_vlan_ale_entry(priv, vid); 12763b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 12773b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12783b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V Nstatic int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev, 127980d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 12803b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N{ 12813b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 12823b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N int ret; 12833b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12843b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (vid == priv->data.default_vlan) 12853b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return 0; 12863b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12873b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N dev_info(priv->dev, "removing vlanid %d from vlan filter\n", vid); 12883b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_del_vlan(priv->ale, vid, 0); 12893b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 12903b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 12913b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12923b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N ret = cpsw_ale_del_ucast(priv->ale, priv->mac_addr, 12933b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N priv->host_port, ALE_VLAN, vid); 12943b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N if (ret != 0) 12953b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return ret; 12963b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 12973b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N return cpsw_ale_del_mcast(priv->ale, priv->ndev->broadcast, 12983b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 0, ALE_VLAN, vid); 12993b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N} 13003b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N 1301df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct net_device_ops cpsw_netdev_ops = { 1302df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_open = cpsw_ndo_open, 1303df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_stop = cpsw_ndo_stop, 1304df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_start_xmit = cpsw_ndo_start_xmit, 1305df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_change_rx_flags = cpsw_ndo_change_rx_flags, 13062e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran .ndo_do_ioctl = cpsw_ndo_ioctl, 1307df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_validate_addr = eth_validate_addr, 13085c473ed26dba609622c9a625f896f8f59d86066cDavid S. Miller .ndo_change_mtu = eth_change_mtu, 1309df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_tx_timeout = cpsw_ndo_tx_timeout, 1310df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_get_stats = cpsw_ndo_get_stats, 13115c50a856d550b3bf6a731f6e33a794ed5c519817Mugunthan V N .ndo_set_rx_mode = cpsw_ndo_set_rx_mode, 1312df828598a755732e717b0adca82f884e44d37576Mugunthan V N#ifdef CONFIG_NET_POLL_CONTROLLER 1313df828598a755732e717b0adca82f884e44d37576Mugunthan V N .ndo_poll_controller = cpsw_ndo_poll_controller, 1314df828598a755732e717b0adca82f884e44d37576Mugunthan V N#endif 13153b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N .ndo_vlan_rx_add_vid = cpsw_ndo_vlan_rx_add_vid, 13163b72c2fe0c6bbec42ed7f899931daef227b80322Mugunthan V N .ndo_vlan_rx_kill_vid = cpsw_ndo_vlan_rx_kill_vid, 1317df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1318df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1319df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_get_drvinfo(struct net_device *ndev, 1320df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct ethtool_drvinfo *info) 1321df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1322df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 13237826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko 13247826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->driver, "TI CPSW Driver v1.0", sizeof(info->driver)); 13257826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->version, "1.0", sizeof(info->version)); 13267826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->bus_info, priv->pdev->name, sizeof(info->bus_info)); 1327df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1328df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1329df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic u32 cpsw_get_msglevel(struct net_device *ndev) 1330df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1331df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1332df828598a755732e717b0adca82f884e44d37576Mugunthan V N return priv->msg_enable; 1333df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1334df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1335df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void cpsw_set_msglevel(struct net_device *ndev, u32 value) 1336df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1337df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1338df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->msg_enable = value; 1339df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1340df828598a755732e717b0adca82f884e44d37576Mugunthan V N 13412e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochranstatic int cpsw_get_ts_info(struct net_device *ndev, 13422e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct ethtool_ts_info *info) 13432e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran{ 13442e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#ifdef CONFIG_TI_CPTS 13452e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran struct cpsw_priv *priv = netdev_priv(ndev); 13462e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 13472e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->so_timestamping = 13482e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_HARDWARE | 13492e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_SOFTWARE | 13502e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_HARDWARE | 13512e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_SOFTWARE | 13522e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_SOFTWARE | 13532e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RAW_HARDWARE; 13549232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N info->phc_index = priv->cpts->phc_index; 13552e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->tx_types = 13562e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_TX_OFF) | 13572e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_TX_ON); 13582e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->rx_filters = 13592e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_FILTER_NONE) | 13602e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran (1 << HWTSTAMP_FILTER_PTP_V2_EVENT); 13612e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#else 13622e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->so_timestamping = 13632e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_TX_SOFTWARE | 13642e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_RX_SOFTWARE | 13652e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran SOF_TIMESTAMPING_SOFTWARE; 13662e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->phc_index = -1; 13672e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->tx_types = 0; 13682e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran info->rx_filters = 0; 13692e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran#endif 13702e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran return 0; 13712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran} 13722e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1373d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V Nstatic int cpsw_get_settings(struct net_device *ndev, 1374d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct ethtool_cmd *ecmd) 1375d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N{ 1376d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1377d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N int slave_no = cpsw_slave_index(priv); 1378d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1379d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N if (priv->slaves[slave_no].phy) 1380d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return phy_ethtool_gset(priv->slaves[slave_no].phy, ecmd); 1381d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N else 1382d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return -EOPNOTSUPP; 1383d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N} 1384d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1385d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V Nstatic int cpsw_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd) 1386d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N{ 1387d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1388d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N int slave_no = cpsw_slave_index(priv); 1389d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1390d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N if (priv->slaves[slave_no].phy) 1391d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return phy_ethtool_sset(priv->slaves[slave_no].phy, ecmd); 1392d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N else 1393d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N return -EOPNOTSUPP; 1394d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N} 1395d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N 1396df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct ethtool_ops cpsw_ethtool_ops = { 1397df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_drvinfo = cpsw_get_drvinfo, 1398df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_msglevel = cpsw_get_msglevel, 1399df828598a755732e717b0adca82f884e44d37576Mugunthan V N .set_msglevel = cpsw_set_msglevel, 1400df828598a755732e717b0adca82f884e44d37576Mugunthan V N .get_link = ethtool_op_get_link, 14012e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran .get_ts_info = cpsw_get_ts_info, 1402d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N .get_settings = cpsw_get_settings, 1403d3bb9c58b567d240eaaa2dc8bd778696eaed5fbdMugunthan V N .set_settings = cpsw_set_settings, 1404ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N .get_coalesce = cpsw_get_coalesce, 1405ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N .set_coalesce = cpsw_set_coalesce, 1406df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1407df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1408549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochranstatic void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, 1409549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 slave_reg_ofs, u32 sliver_reg_ofs) 1410df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1411df828598a755732e717b0adca82f884e44d37576Mugunthan V N void __iomem *regs = priv->regs; 1412df828598a755732e717b0adca82f884e44d37576Mugunthan V N int slave_num = slave->slave_num; 1413df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_slave_data *data = priv->data.slave_data + slave_num; 1414df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1415df828598a755732e717b0adca82f884e44d37576Mugunthan V N slave->data = data; 1416549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave->regs = regs + slave_reg_ofs; 1417549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave->sliver = regs + sliver_reg_ofs; 1418d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave->port_vlan = data->dual_emac_res_vlan; 1419df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1420df828598a755732e717b0adca82f884e44d37576Mugunthan V N 14212eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V Nstatic int cpsw_probe_dt(struct cpsw_platform_data *data, 14222eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct platform_device *pdev) 14232eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N{ 14242eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct device_node *node = pdev->dev.of_node; 14252eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct device_node *slave_node; 14262eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N int i = 0, ret; 14272eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N u32 prop; 14282eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14292eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (!node) 14302eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return -EINVAL; 14312eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14322eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "slaves", &prop)) { 14332eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing slaves property in the DT.\n"); 14342eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return -EINVAL; 14352eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14362eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->slaves = prop; 14372eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1438e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N if (of_property_read_u32(node, "active_slave", &prop)) { 1439e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N pr_err("Missing active_slave property in the DT.\n"); 144078ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran ret = -EINVAL; 144178ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran goto error_ret; 144278ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran } 1443e86ac13b031cf71d8f40ff513e627aac80e6b765Mugunthan V N data->active_slave = prop; 144478ca0b287314ad6b7b06161b3ff9b13e8a8bcce0Richard Cochran 144500ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran if (of_property_read_u32(node, "cpts_clock_mult", &prop)) { 144600ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran pr_err("Missing cpts_clock_mult property in the DT.\n"); 144700ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran ret = -EINVAL; 144800ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran goto error_ret; 144900ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran } 145000ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran data->cpts_clock_mult = prop; 145100ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran 145200ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran if (of_property_read_u32(node, "cpts_clock_shift", &prop)) { 145300ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran pr_err("Missing cpts_clock_shift property in the DT.\n"); 145400ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran ret = -EINVAL; 145500ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran goto error_ret; 145600ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran } 145700ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran data->cpts_clock_shift = prop; 145800ab94eeaf6c1ad38ad7368c5148fed31403c8a2Richard Cochran 1459b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches data->slave_data = kcalloc(data->slaves, sizeof(struct cpsw_slave_data), 1460b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches GFP_KERNEL); 1461b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches if (!data->slave_data) 14622eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return -EINVAL; 14632eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14642eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "cpdma_channels", &prop)) { 14652eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing cpdma_channels property in the DT.\n"); 14662eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 14672eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 14682eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14692eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->channels = prop; 14702eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14712eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "ale_entries", &prop)) { 14722eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing ale_entries property in the DT.\n"); 14732eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 14742eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 14752eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14762eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->ale_entries = prop; 14772eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14782eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "bd_ram_size", &prop)) { 14792eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing bd_ram_size property in the DT.\n"); 14802eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 14812eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 14822eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14832eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->bd_ram_size = prop; 14842eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14852eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "rx_descs", &prop)) { 14862eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing rx_descs property in the DT.\n"); 14872eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 14882eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 14892eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14902eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->rx_descs = prop; 14912eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 14922eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (of_property_read_u32(node, "mac_control", &prop)) { 14932eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing mac_control property in the DT.\n"); 14942eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 14952eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 14962eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 14972eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data->mac_control = prop; 14982eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1499d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!of_property_read_u32(node, "dual_emac", &prop)) 1500d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N data->dual_emac = prop; 1501d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1502549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran /* 1503549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran * Populate all the child nodes here... 1504549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran */ 1505549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ret = of_platform_populate(node, NULL, NULL, &pdev->dev); 1506549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran /* We do not want to force this, as in some cases may not have child */ 1507549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran if (ret) 1508549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran pr_warn("Doesn't have any child node\n"); 1509549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 15101fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath for_each_node_by_name(slave_node, "slave") { 15112eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N struct cpsw_slave_data *slave_data = data->slave_data + i; 15122eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N const void *mac_addr = NULL; 1513549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 phyid; 1514549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran int lenp; 1515549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran const __be32 *parp; 1516549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct device_node *mdio_node; 1517549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct platform_device *mdio; 1518549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 1519549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran parp = of_get_property(slave_node, "phy_id", &lenp); 1520ce16294fda230c787ce5c35f61b2f80d14d70a72Lothar Waßmann if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { 15212eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("Missing slave[%d] phy_id property\n", i); 15222eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -EINVAL; 15232eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto error_ret; 15242eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 1525549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); 1526549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran phyid = be32_to_cpup(parp+1); 1527549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran mdio = of_find_device_by_node(mdio_node); 1528549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), 1529549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran PHY_ID_FMT, mdio->name, phyid); 15302eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 15312eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N mac_addr = of_get_mac_address(slave_node); 15322eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (mac_addr) 15332eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN); 15342eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1535d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (data->dual_emac) { 153691c4166c1a01c00b8bed74f7a7defa620071de88Mugunthan V N if (of_property_read_u32(slave_node, "dual_emac_res_vlan", 1537d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N &prop)) { 1538d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_err("Missing dual_emac_res_vlan in DT.\n"); 1539d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_data->dual_emac_res_vlan = i+1; 1540d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_err("Using %d as Reserved VLAN for %d slave\n", 1541d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_data->dual_emac_res_vlan, i); 1542d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { 1543d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N slave_data->dual_emac_res_vlan = prop; 1544d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1545d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1546d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 15472eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N i++; 15482eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 15492eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 15502eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return 0; 15512eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 15522eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V Nerror_ret: 15532eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N kfree(data->slave_data); 15542eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N return ret; 15552eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N} 15562eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1557d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V Nstatic int cpsw_probe_dual_emac(struct platform_device *pdev, 1558d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv) 1559d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N{ 1560d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_platform_data *data = &priv->data; 1561d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct net_device *ndev; 1562d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N struct cpsw_priv *priv_sl2; 1563d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N int ret = 0, i; 1564d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1565d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev = alloc_etherdev(sizeof(struct cpsw_priv)); 1566d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (!ndev) { 1567d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_err("cpsw: error allocating net_device\n"); 1568d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return -ENOMEM; 1569d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1570d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1571d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2 = netdev_priv(ndev); 1572d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N spin_lock_init(&priv_sl2->lock); 1573d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->data = *data; 1574d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->pdev = pdev; 1575d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->ndev = ndev; 1576d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->dev = &ndev->dev; 1577d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); 1578d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->rx_packet_max = max(rx_packet_max, 128); 1579d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1580d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (is_valid_ether_addr(data->slave_data[1].mac_addr)) { 1581d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N memcpy(priv_sl2->mac_addr, data->slave_data[1].mac_addr, 1582d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ETH_ALEN); 1583d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_info("cpsw: Detected MACID = %pM\n", priv_sl2->mac_addr); 1584d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } else { 1585d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N random_ether_addr(priv_sl2->mac_addr); 1586d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_info("cpsw: Random MACID = %pM\n", priv_sl2->mac_addr); 1587d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1588d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N memcpy(ndev->dev_addr, priv_sl2->mac_addr, ETH_ALEN); 1589d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1590d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->slaves = priv->slaves; 1591d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->clk = priv->clk; 1592d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1593ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv_sl2->coal_intvl = 0; 1594ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv_sl2->bus_freq_mhz = priv->bus_freq_mhz; 1595ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N 1596d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->cpsw_res = priv->cpsw_res; 1597d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->regs = priv->regs; 1598d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->host_port = priv->host_port; 1599d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->host_port_regs = priv->host_port_regs; 1600d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->wr_regs = priv->wr_regs; 1601d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->dma = priv->dma; 1602d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->txch = priv->txch; 1603d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->rxch = priv->rxch; 1604d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->ale = priv->ale; 1605d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->emac_port = 1; 1606d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[1].ndev = ndev; 1607d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->cpts = priv->cpts; 1608d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->version = priv->version; 1609d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1610d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N for (i = 0; i < priv->num_irqs; i++) { 1611d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->irqs_table[i] = priv->irqs_table[i]; 1612d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv_sl2->num_irqs = priv->num_irqs; 1613d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1614d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1615f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1616d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1617d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ndev->netdev_ops = &cpsw_netdev_ops; 1618d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N SET_ETHTOOL_OPS(ndev, &cpsw_ethtool_ops); 1619d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N netif_napi_add(ndev, &priv_sl2->napi, cpsw_poll, CPSW_POLL_WEIGHT); 1620d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1621d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N /* register the network device */ 1622d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N SET_NETDEV_DEV(ndev, &pdev->dev); 1623d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = register_netdev(ndev); 1624d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ret) { 1625d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N pr_err("cpsw: error registering net device\n"); 1626d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N free_netdev(ndev); 1627d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = -ENODEV; 1628d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1629d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1630d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N return ret; 1631d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N} 1632d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1633663e12e61d8764ce342588325d1050d9cb5460c0Bill Pembertonstatic int cpsw_probe(struct platform_device *pdev) 1634df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1635df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_platform_data *data = pdev->dev.platform_data; 1636df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev; 1637df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv; 1638df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpdma_params dma_params; 1639df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_ale_params ale_params; 1640549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran void __iomem *ss_regs, *wr_regs; 1641df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct resource *res; 1642549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran u32 slave_offset, sliver_offset, slave_size; 1643df828598a755732e717b0adca82f884e44d37576Mugunthan V N int ret = 0, i, k = 0; 1644df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1645df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev = alloc_etherdev(sizeof(struct cpsw_priv)); 1646df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!ndev) { 1647df828598a755732e717b0adca82f884e44d37576Mugunthan V N pr_err("error allocating net_device\n"); 1648df828598a755732e717b0adca82f884e44d37576Mugunthan V N return -ENOMEM; 1649df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1650df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1651df828598a755732e717b0adca82f884e44d37576Mugunthan V N platform_set_drvdata(pdev, ndev); 1652df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv = netdev_priv(ndev); 1653df828598a755732e717b0adca82f884e44d37576Mugunthan V N spin_lock_init(&priv->lock); 1654df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->pdev = pdev; 1655df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->ndev = ndev; 1656df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->dev = &ndev->dev; 1657df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); 1658df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->rx_packet_max = max(rx_packet_max, 128); 16599232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts = devm_kzalloc(&pdev->dev, sizeof(struct cpts), GFP_KERNEL); 16609232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (!ndev) { 16619232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N pr_err("error allocating cpts\n"); 16629232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N goto clean_ndev_ret; 16639232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N } 1664df828598a755732e717b0adca82f884e44d37576Mugunthan V N 16651fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath /* 16661fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath * This may be required here for child devices. 16671fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath */ 16681fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath pm_runtime_enable(&pdev->dev); 16691fb19aa730e400e474b562c55227849060549733Vaibhav Hiremath 16702eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N if (cpsw_probe_dt(&priv->data, pdev)) { 16712eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N pr_err("cpsw: platform data missing\n"); 16722eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N ret = -ENODEV; 16732eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N goto clean_ndev_ret; 16742eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N } 16752eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N data = &priv->data; 16762eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1677df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (is_valid_ether_addr(data->slave_data[0].mac_addr)) { 1678df828598a755732e717b0adca82f884e44d37576Mugunthan V N memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN); 1679df828598a755732e717b0adca82f884e44d37576Mugunthan V N pr_info("Detected MACID = %pM", priv->mac_addr); 1680df828598a755732e717b0adca82f884e44d37576Mugunthan V N } else { 16817efd26d0db5917b9e53d72e76e52338b2600ae20Joe Perches eth_random_addr(priv->mac_addr); 1682df828598a755732e717b0adca82f884e44d37576Mugunthan V N pr_info("Random MACID = %pM", priv->mac_addr); 1683df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1684df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1685df828598a755732e717b0adca82f884e44d37576Mugunthan V N memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN); 1686df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1687df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->slaves = kzalloc(sizeof(struct cpsw_slave) * data->slaves, 1688df828598a755732e717b0adca82f884e44d37576Mugunthan V N GFP_KERNEL); 1689df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->slaves) { 1690df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -EBUSY; 1691df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_ndev_ret; 1692df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1693df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = 0; i < data->slaves; i++) 1694df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->slaves[i].slave_num = i; 1695df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1696d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->slaves[0].ndev = ndev; 1697d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N priv->emac_port = 0; 1698d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1699f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N priv->clk = clk_get(&pdev->dev, "fck"); 1700df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (IS_ERR(priv->clk)) { 1701f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N dev_err(&pdev->dev, "fck is not found\n"); 1702f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N ret = -ENODEV; 1703f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N goto clean_slave_ret; 1704df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1705ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->coal_intvl = 0; 1706ff5b8ef2ef3af0fd7e1cf6c8c1ed9ec5afbda422Mugunthan V N priv->bus_freq_mhz = clk_get_rate(priv->clk) / 1000000; 1707df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1708df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->cpsw_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 1709df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->cpsw_res) { 1710df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error getting i/o resource\n"); 1711df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOENT; 1712df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_clk_ret; 1713df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1714df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!request_mem_region(priv->cpsw_res->start, 1715df828598a755732e717b0adca82f884e44d37576Mugunthan V N resource_size(priv->cpsw_res), ndev->name)) { 1716df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "failed request i/o region\n"); 1717df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENXIO; 1718df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_clk_ret; 1719df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1720549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ss_regs = ioremap(priv->cpsw_res->start, resource_size(priv->cpsw_res)); 1721549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran if (!ss_regs) { 1722df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "unable to map i/o region\n"); 1723df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_cpsw_iores_ret; 1724df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1725549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->regs = ss_regs; 1726549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->version = __raw_readl(&priv->regs->id_ver); 1727549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port = HOST_PORT_NUM; 1728df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1729a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran priv->cpsw_wr_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); 1730a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran if (!priv->cpsw_wr_res) { 1731df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error getting i/o resource\n"); 1732df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOENT; 17335250c9694fa879532470d87ebf6a485be1124221Richard Cochran goto clean_iomap_ret; 1734df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1735a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran if (!request_mem_region(priv->cpsw_wr_res->start, 1736a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran resource_size(priv->cpsw_wr_res), ndev->name)) { 1737df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "failed request i/o region\n"); 1738df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENXIO; 17395250c9694fa879532470d87ebf6a485be1124221Richard Cochran goto clean_iomap_ret; 1740df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1741549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran wr_regs = ioremap(priv->cpsw_wr_res->start, 1742a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran resource_size(priv->cpsw_wr_res)); 1743549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran if (!wr_regs) { 1744df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "unable to map i/o region\n"); 1745a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran goto clean_cpsw_wr_iores_ret; 1746df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1747549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->wr_regs = wr_regs; 1748df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1749df828598a755732e717b0adca82f884e44d37576Mugunthan V N memset(&dma_params, 0, sizeof(dma_params)); 1750549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran memset(&ale_params, 0, sizeof(ale_params)); 1751549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 1752549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran switch (priv->version) { 1753549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran case CPSW_VERSION_1: 1754549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET; 17559232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts->reg = ss_regs + CPSW1_CPTS_OFFSET; 1756549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET; 1757549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET; 1758549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET; 1759549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset = CPSW1_SLAVE_OFFSET; 1760549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_size = CPSW1_SLAVE_SIZE; 1761549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset = CPSW1_SLIVER_OFFSET; 1762549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_mem_phys = 0; 1763549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran break; 1764549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran case CPSW_VERSION_2: 1765549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran priv->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET; 17669232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N priv->cpts->reg = ss_regs + CPSW2_CPTS_OFFSET; 1767549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET; 1768549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET; 1769549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET; 1770549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset = CPSW2_SLAVE_OFFSET; 1771549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_size = CPSW2_SLAVE_SIZE; 1772549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset = CPSW2_SLIVER_OFFSET; 1773549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_mem_phys = 1774549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran (u32 __force) priv->cpsw_res->start + CPSW2_BD_OFFSET; 1775549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran break; 1776549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran default: 1777549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dev_err(priv->dev, "unknown version 0x%08x\n", priv->version); 1778549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran ret = -ENODEV; 1779549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran goto clean_cpsw_wr_iores_ret; 1780549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran } 1781549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran for (i = 0; i < priv->data.slaves; i++) { 1782549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran struct cpsw_slave *slave = &priv->slaves[i]; 1783549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran cpsw_slave_init(slave, priv, slave_offset, sliver_offset); 1784549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran slave_offset += slave_size; 1785549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran sliver_offset += SLIVER_SIZE; 1786549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran } 1787549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran 1788df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.dev = &pdev->dev; 1789549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH; 1790549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE; 1791549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP; 1792549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.txcp = dma_params.txhdp + CPDMA_TXCP; 1793549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP; 1794df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1795df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.num_chan = data->channels; 1796df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.has_soft_reset = true; 1797df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE; 1798df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.desc_mem_size = data->bd_ram_size; 1799df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.desc_align = 16; 1800df828598a755732e717b0adca82f884e44d37576Mugunthan V N dma_params.has_ext_regs = true; 1801549985ee9c723fea8fd7759b5046fb8249896d50Richard Cochran dma_params.desc_hw_addr = dma_params.desc_mem_phys; 1802df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1803df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->dma = cpdma_ctlr_create(&dma_params); 1804df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->dma) { 1805df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing dma\n"); 1806df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOMEM; 18075250c9694fa879532470d87ebf6a485be1124221Richard Cochran goto clean_wr_iomap_ret; 1808df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1809df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1810df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->txch = cpdma_chan_create(priv->dma, tx_chan_num(0), 1811df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_tx_handler); 1812df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->rxch = cpdma_chan_create(priv->dma, rx_chan_num(0), 1813df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_rx_handler); 1814df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1815df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (WARN_ON(!priv->txch || !priv->rxch)) { 1816df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing dma channels\n"); 1817df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOMEM; 1818df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_dma_ret; 1819df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1820df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1821df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.dev = &ndev->dev; 1822df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_ageout = ale_ageout; 1823df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_entries = data->ale_entries; 1824df828598a755732e717b0adca82f884e44d37576Mugunthan V N ale_params.ale_ports = data->slaves; 1825df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1826df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->ale = cpsw_ale_create(&ale_params); 1827df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (!priv->ale) { 1828df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error initializing ale engine\n"); 1829df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENODEV; 1830df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_dma_ret; 1831df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1832df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1833df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->irq = platform_get_irq(pdev, 0); 1834df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (ndev->irq < 0) { 1835df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error getting irq resource\n"); 1836df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENOENT; 1837df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_ale_ret; 1838df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1839df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1840df828598a755732e717b0adca82f884e44d37576Mugunthan V N while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { 1841df828598a755732e717b0adca82f884e44d37576Mugunthan V N for (i = res->start; i <= res->end; i++) { 1842df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (request_irq(i, cpsw_interrupt, IRQF_DISABLED, 1843df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_name(&pdev->dev), priv)) { 1844df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error attaching irq\n"); 1845df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_ale_ret; 1846df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1847df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->irqs_table[k] = i; 1848df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->num_irqs = k; 1849df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1850df828598a755732e717b0adca82f884e44d37576Mugunthan V N k++; 1851df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1852df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1853f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1854df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1855df828598a755732e717b0adca82f884e44d37576Mugunthan V N ndev->netdev_ops = &cpsw_netdev_ops; 1856df828598a755732e717b0adca82f884e44d37576Mugunthan V N SET_ETHTOOL_OPS(ndev, &cpsw_ethtool_ops); 1857df828598a755732e717b0adca82f884e44d37576Mugunthan V N netif_napi_add(ndev, &priv->napi, cpsw_poll, CPSW_POLL_WEIGHT); 1858df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1859df828598a755732e717b0adca82f884e44d37576Mugunthan V N /* register the network device */ 1860df828598a755732e717b0adca82f884e44d37576Mugunthan V N SET_NETDEV_DEV(ndev, &pdev->dev); 1861df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = register_netdev(ndev); 1862df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (ret) { 1863df828598a755732e717b0adca82f884e44d37576Mugunthan V N dev_err(priv->dev, "error registering net device\n"); 1864df828598a755732e717b0adca82f884e44d37576Mugunthan V N ret = -ENODEV; 1865df828598a755732e717b0adca82f884e44d37576Mugunthan V N goto clean_irq_ret; 1866df828598a755732e717b0adca82f884e44d37576Mugunthan V N } 1867df828598a755732e717b0adca82f884e44d37576Mugunthan V N 18689232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N if (cpts_register(&pdev->dev, priv->cpts, 18692e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran data->cpts_clock_mult, data->cpts_clock_shift)) 18702e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran dev_err(priv->dev, "error registering cpts device\n"); 18712e5b38abcfad3049608a051826a5aaec2122cdacRichard Cochran 1872df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_notice(priv, probe, "initialized device (regs %x, irq %d)\n", 1873df828598a755732e717b0adca82f884e44d37576Mugunthan V N priv->cpsw_res->start, ndev->irq); 1874df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1875d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (priv->data.dual_emac) { 1876d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N ret = cpsw_probe_dual_emac(pdev, priv); 1877d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N if (ret) { 1878d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N cpsw_err(priv, probe, "error probe slave 2 emac interface\n"); 1879d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N goto clean_irq_ret; 1880d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1881d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N } 1882d9ba8f9e6298af71ec1c1fd3d88c3ef68abd0ec3Mugunthan V N 1883df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1884df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1885df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_irq_ret: 1886df828598a755732e717b0adca82f884e44d37576Mugunthan V N free_irq(ndev->irq, priv); 1887df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_ale_ret: 1888df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_destroy(priv->ale); 1889df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_dma_ret: 1890df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->txch); 1891df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->rxch); 1892df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_destroy(priv->dma); 18935250c9694fa879532470d87ebf6a485be1124221Richard Cochranclean_wr_iomap_ret: 18945250c9694fa879532470d87ebf6a485be1124221Richard Cochran iounmap(priv->wr_regs); 1895a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochranclean_cpsw_wr_iores_ret: 1896a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran release_mem_region(priv->cpsw_wr_res->start, 1897a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran resource_size(priv->cpsw_wr_res)); 18985250c9694fa879532470d87ebf6a485be1124221Richard Cochranclean_iomap_ret: 18995250c9694fa879532470d87ebf6a485be1124221Richard Cochran iounmap(priv->regs); 1900df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_cpsw_iores_ret: 1901df828598a755732e717b0adca82f884e44d37576Mugunthan V N release_mem_region(priv->cpsw_res->start, 1902df828598a755732e717b0adca82f884e44d37576Mugunthan V N resource_size(priv->cpsw_res)); 1903df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_clk_ret: 1904df828598a755732e717b0adca82f884e44d37576Mugunthan V N clk_put(priv->clk); 1905f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V Nclean_slave_ret: 1906f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_disable(&pdev->dev); 1907df828598a755732e717b0adca82f884e44d37576Mugunthan V N kfree(priv->slaves); 1908df828598a755732e717b0adca82f884e44d37576Mugunthan V Nclean_ndev_ret: 1909df828598a755732e717b0adca82f884e44d37576Mugunthan V N free_netdev(ndev); 1910df828598a755732e717b0adca82f884e44d37576Mugunthan V N return ret; 1911df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1912df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1913663e12e61d8764ce342588325d1050d9cb5460c0Bill Pembertonstatic int cpsw_remove(struct platform_device *pdev) 1914df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1915df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 1916df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct cpsw_priv *priv = netdev_priv(ndev); 1917df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1918df828598a755732e717b0adca82f884e44d37576Mugunthan V N pr_info("removing device"); 1919df828598a755732e717b0adca82f884e44d37576Mugunthan V N platform_set_drvdata(pdev, NULL); 1920df828598a755732e717b0adca82f884e44d37576Mugunthan V N 19219232b16df2167c8afcb89de39ee85f5091ebacffMugunthan V N cpts_unregister(priv->cpts); 1922df828598a755732e717b0adca82f884e44d37576Mugunthan V N free_irq(ndev->irq, priv); 1923df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ale_destroy(priv->ale); 1924df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->txch); 1925df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_chan_destroy(priv->rxch); 1926df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpdma_ctlr_destroy(priv->dma); 1927df828598a755732e717b0adca82f884e44d37576Mugunthan V N iounmap(priv->regs); 1928df828598a755732e717b0adca82f884e44d37576Mugunthan V N release_mem_region(priv->cpsw_res->start, 1929df828598a755732e717b0adca82f884e44d37576Mugunthan V N resource_size(priv->cpsw_res)); 19305250c9694fa879532470d87ebf6a485be1124221Richard Cochran iounmap(priv->wr_regs); 1931a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran release_mem_region(priv->cpsw_wr_res->start, 1932a65dd5b236053fbafb1926b7694fcdb2482b2f73Richard Cochran resource_size(priv->cpsw_wr_res)); 1933f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_disable(&pdev->dev); 1934df828598a755732e717b0adca82f884e44d37576Mugunthan V N clk_put(priv->clk); 1935df828598a755732e717b0adca82f884e44d37576Mugunthan V N kfree(priv->slaves); 1936df828598a755732e717b0adca82f884e44d37576Mugunthan V N free_netdev(ndev); 1937df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1938df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1939df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1940df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1941df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_suspend(struct device *dev) 1942df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1943df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev = to_platform_device(dev); 1944df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 1945df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1946df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_running(ndev)) 1947df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ndo_stop(ndev); 1948f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_put_sync(&pdev->dev); 1949f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N 1950df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1951df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1952df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1953df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int cpsw_resume(struct device *dev) 1954df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1955df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct platform_device *pdev = to_platform_device(dev); 1956df828598a755732e717b0adca82f884e44d37576Mugunthan V N struct net_device *ndev = platform_get_drvdata(pdev); 1957df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1958f150bd7f8cf742c4cdd0c929aa494ef72f7f5b13Mugunthan V N pm_runtime_get_sync(&pdev->dev); 1959df828598a755732e717b0adca82f884e44d37576Mugunthan V N if (netif_running(ndev)) 1960df828598a755732e717b0adca82f884e44d37576Mugunthan V N cpsw_ndo_open(ndev); 1961df828598a755732e717b0adca82f884e44d37576Mugunthan V N return 0; 1962df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1963df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1964df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic const struct dev_pm_ops cpsw_pm_ops = { 1965df828598a755732e717b0adca82f884e44d37576Mugunthan V N .suspend = cpsw_suspend, 1966df828598a755732e717b0adca82f884e44d37576Mugunthan V N .resume = cpsw_resume, 1967df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1968df828598a755732e717b0adca82f884e44d37576Mugunthan V N 19692eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V Nstatic const struct of_device_id cpsw_of_mtable[] = { 19702eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N { .compatible = "ti,cpsw", }, 19712eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N { /* sentinel */ }, 19722eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N}; 19732eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N 1974df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic struct platform_driver cpsw_driver = { 1975df828598a755732e717b0adca82f884e44d37576Mugunthan V N .driver = { 1976df828598a755732e717b0adca82f884e44d37576Mugunthan V N .name = "cpsw", 1977df828598a755732e717b0adca82f884e44d37576Mugunthan V N .owner = THIS_MODULE, 1978df828598a755732e717b0adca82f884e44d37576Mugunthan V N .pm = &cpsw_pm_ops, 19792eb32b0a6f9d73fafc6b2c00ac0b705de13ae143Mugunthan V N .of_match_table = of_match_ptr(cpsw_of_mtable), 1980df828598a755732e717b0adca82f884e44d37576Mugunthan V N }, 1981df828598a755732e717b0adca82f884e44d37576Mugunthan V N .probe = cpsw_probe, 1982663e12e61d8764ce342588325d1050d9cb5460c0Bill Pemberton .remove = cpsw_remove, 1983df828598a755732e717b0adca82f884e44d37576Mugunthan V N}; 1984df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1985df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic int __init cpsw_init(void) 1986df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1987df828598a755732e717b0adca82f884e44d37576Mugunthan V N return platform_driver_register(&cpsw_driver); 1988df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1989df828598a755732e717b0adca82f884e44d37576Mugunthan V Nlate_initcall(cpsw_init); 1990df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1991df828598a755732e717b0adca82f884e44d37576Mugunthan V Nstatic void __exit cpsw_exit(void) 1992df828598a755732e717b0adca82f884e44d37576Mugunthan V N{ 1993df828598a755732e717b0adca82f884e44d37576Mugunthan V N platform_driver_unregister(&cpsw_driver); 1994df828598a755732e717b0adca82f884e44d37576Mugunthan V N} 1995df828598a755732e717b0adca82f884e44d37576Mugunthan V Nmodule_exit(cpsw_exit); 1996df828598a755732e717b0adca82f884e44d37576Mugunthan V N 1997df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_LICENSE("GPL"); 1998df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_AUTHOR("Cyril Chemparathy <cyril@ti.com>"); 1999df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_AUTHOR("Mugunthan V N <mugunthanvnm@ti.com>"); 2000df828598a755732e717b0adca82f884e44d37576Mugunthan V NMODULE_DESCRIPTION("TI CPSW Ethernet driver"); 2001