pch_phub.c revision 584ad00ce4bfe594e4c4a89944b3c635187a1ca1
1cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* 2c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. 3cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * 4cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * This program is free software; you can redistribute it and/or modify 5cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * it under the terms of the GNU General Public License as published by 6cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * the Free Software Foundation; version 2 of the License. 7cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * 8cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * This program is distributed in the hope that it will be useful, 9cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * but WITHOUT ANY WARRANTY; without even the implied warranty of 10cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * GNU General Public License for more details. 12cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * 13cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * You should have received a copy of the GNU General Public License 14cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * along with this program; if not, write to the Free Software 15cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 16cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 17cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 18cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/module.h> 19cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/kernel.h> 20cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/types.h> 21cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/fs.h> 22cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/uaccess.h> 23cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/string.h> 24cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/pci.h> 25cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/io.h> 26cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/delay.h> 27cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/mutex.h> 28cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/if_ether.h> 29cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#include <linux/ctype.h> 306ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#include <linux/dmi.h> 31cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 32cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PHUB_STATUS 0x00 /* Status Register offset */ 33cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PHUB_CONTROL 0x04 /* Control Register offset */ 34cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PHUB_TIMEOUT 0x05 /* Time out value for Status Register */ 35cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_ROM_WRITE_ENABLE 0x01 /* Enabling for writing ROM */ 36cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_ROM_WRITE_DISABLE 0x00 /* Disabling for writing ROM */ 37275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCH_PHUB_MAC_START_ADDR_EG20T 0x14 /* MAC data area start address 38275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA offset */ 39275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCH_PHUB_MAC_START_ADDR_ML7223 0x20C /* MAC data area start address 40275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA offset */ 41275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset 42c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA (Intel EG20T PCH)*/ 43c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA#define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address 44c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA offset(OKI SEMICONDUCTOR ML7213) 45c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA */ 46275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address 47275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA offset(OKI SEMICONDUCTOR ML7223) 48275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA */ 49cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 50cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* MAX number of INT_REDUCE_CONTROL registers */ 51cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define MAX_NUM_INT_REDUCE_CONTROL_REG 128 52cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCI_DEVICE_ID_PCH1_PHUB 0x8801 53cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_MINOR_NOS 1 54cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define CLKCFG_CAN_50MHZ 0x12000000 55cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define CLKCFG_CANCLK_MASK 0xFF000000 566ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#define CLKCFG_UART_MASK 0xFFFFFF 576ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev 586ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev/* CM-iTC */ 596ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#define CLKCFG_UART_48MHZ (1 << 16) 606ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#define CLKCFG_BAUDDIV (2 << 20) 616ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#define CLKCFG_PLL2VCO (8 << 9) 626ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev#define CLKCFG_UARTCLKSEL (1 << 18) 63cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 641a738dcf6dac74a0ce10853a068d822f66f73268Tomoya MORINAGA/* Macros for ML7213 */ 651a738dcf6dac74a0ce10853a068d822f66f73268Tomoya MORINAGA#define PCI_VENDOR_ID_ROHM 0x10db 661a738dcf6dac74a0ce10853a068d822f66f73268Tomoya MORINAGA#define PCI_DEVICE_ID_ROHM_ML7213_PHUB 0x801A 67cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 68c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA/* Macros for ML7213 */ 69c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA#define PCI_VENDOR_ID_ROHM 0x10db 70c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA#define PCI_DEVICE_ID_ROHM_ML7213_PHUB 0x801A 71c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA 72275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA/* Macros for ML7223 */ 73275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */ 74275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA#define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */ 75275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 76584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA/* Macros for ML7831 */ 77584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801 78584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA 79cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* SROM ACCESS Macro */ 80cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_WORD_ADDR_MASK (~((1 << 2) - 1)) 81cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 82cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* Registers address offset */ 83cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_ID_REG 0x0000 84cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_QUEUE_PRI_VAL_REG 0x0004 85cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_RC_QUEUE_MAXSIZE_REG 0x0008 86cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_BRI_QUEUE_MAXSIZE_REG 0x000C 87cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_COMP_RESP_TIMEOUT_REG 0x0010 88cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_BUS_SLAVE_CONTROL_REG 0x0014 89cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_DEADLOCK_AVOID_TYPE_REG 0x0018 90cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_INTPIN_REG_WPERMIT_REG0 0x0020 91cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_INTPIN_REG_WPERMIT_REG1 0x0024 92cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_INTPIN_REG_WPERMIT_REG2 0x0028 93cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_INTPIN_REG_WPERMIT_REG3 0x002C 94cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_INT_REDUCE_CONTROL_REG_BASE 0x0040 95cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define CLKCFG_REG_OFFSET 0x500 96dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA#define FUNCSEL_REG_OFFSET 0x508 97cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 98cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define PCH_PHUB_OROM_SIZE 15360 99cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 100cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 101cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * struct pch_phub_reg - PHUB register structure 102cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @phub_id_reg: PHUB_ID register val 103cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @q_pri_val_reg: QUEUE_PRI_VAL register val 104cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @rc_q_maxsize_reg: RC_QUEUE_MAXSIZE register val 105cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @bri_q_maxsize_reg: BRI_QUEUE_MAXSIZE register val 106cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @comp_resp_timeout_reg: COMP_RESP_TIMEOUT register val 107cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @bus_slave_control_reg: BUS_SLAVE_CONTROL_REG register val 108cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @deadlock_avoid_type_reg: DEADLOCK_AVOID_TYPE register val 109cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @intpin_reg_wpermit_reg0: INTPIN_REG_WPERMIT register 0 val 110cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @intpin_reg_wpermit_reg1: INTPIN_REG_WPERMIT register 1 val 111cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @intpin_reg_wpermit_reg2: INTPIN_REG_WPERMIT register 2 val 112cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @intpin_reg_wpermit_reg3: INTPIN_REG_WPERMIT register 3 val 113cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @int_reduce_control_reg: INT_REDUCE_CONTROL registers val 114cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @clkcfg_reg: CLK CFG register val 115dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA * @funcsel_reg: Function select register value 116cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @pch_phub_base_address: Register base address 117cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @pch_phub_extrom_base_address: external rom base address 118275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * @pch_mac_start_address: MAC address area start address 119275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * @pch_opt_rom_start_address: Option ROM start address 120275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * @ioh_type: Save IOH type 121cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 122cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstruct pch_phub_reg { 123cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 phub_id_reg; 124cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 q_pri_val_reg; 125cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 rc_q_maxsize_reg; 126cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 bri_q_maxsize_reg; 127cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 comp_resp_timeout_reg; 128cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 bus_slave_control_reg; 129cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 deadlock_avoid_type_reg; 130cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 intpin_reg_wpermit_reg0; 131cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 intpin_reg_wpermit_reg1; 132cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 intpin_reg_wpermit_reg2; 133cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 intpin_reg_wpermit_reg3; 134cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 int_reduce_control_reg[MAX_NUM_INT_REDUCE_CONTROL_REG]; 135cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u32 clkcfg_reg; 136dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA u32 funcsel_reg; 137cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *pch_phub_base_address; 138cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *pch_phub_extrom_base_address; 139275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA u32 pch_mac_start_address; 140275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA u32 pch_opt_rom_start_address; 141275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA int ioh_type; 142cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak}; 143cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 144cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* SROM SPEC for MAC address assignment offset */ 145cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic const int pch_phub_mac_offset[ETH_ALEN] = {0x3, 0x2, 0x1, 0x0, 0xb, 0xa}; 146cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 147cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic DEFINE_MUTEX(pch_phub_mutex); 148cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 149cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 150cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_read_modify_write_reg() - Reading modifying and writing register 151cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @reg_addr_offset: Register offset address value. 152cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Writing value. 153cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @mask: Mask value. 154cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 155cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_read_modify_write_reg(struct pch_phub_reg *chip, 156cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int reg_addr_offset, 157cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int data, unsigned int mask) 158cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 159cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *reg_addr = chip->pch_phub_base_address + reg_addr_offset; 160cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(((ioread32(reg_addr) & ~mask)) | data, reg_addr); 161cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 162cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 163cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* pch_phub_save_reg_conf - saves register configuration */ 164cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_save_reg_conf(struct pci_dev *pdev) 165cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 166cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int i; 167cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = pci_get_drvdata(pdev); 168cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 169cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *p = chip->pch_phub_base_address; 170cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 171cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->phub_id_reg = ioread32(p + PCH_PHUB_ID_REG); 172cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->q_pri_val_reg = ioread32(p + PCH_PHUB_QUEUE_PRI_VAL_REG); 173cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->rc_q_maxsize_reg = ioread32(p + PCH_PHUB_RC_QUEUE_MAXSIZE_REG); 174cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bri_q_maxsize_reg = ioread32(p + PCH_PHUB_BRI_QUEUE_MAXSIZE_REG); 175cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->comp_resp_timeout_reg = 176cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_COMP_RESP_TIMEOUT_REG); 177cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bus_slave_control_reg = 178cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_BUS_SLAVE_CONTROL_REG); 179cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->deadlock_avoid_type_reg = 180cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_DEADLOCK_AVOID_TYPE_REG); 181cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg0 = 182cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_INTPIN_REG_WPERMIT_REG0); 183cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg1 = 184cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_INTPIN_REG_WPERMIT_REG1); 185cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg2 = 186cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_INTPIN_REG_WPERMIT_REG2); 187cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg3 = 188cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_INTPIN_REG_WPERMIT_REG3); 189cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : " 190cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->phub_id_reg=%x, " 191cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->q_pri_val_reg=%x, " 192cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->rc_q_maxsize_reg=%x, " 193cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->bri_q_maxsize_reg=%x, " 194cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->comp_resp_timeout_reg=%x, " 195cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->bus_slave_control_reg=%x, " 196cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->deadlock_avoid_type_reg=%x, " 197cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg0=%x, " 198cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg1=%x, " 199cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg2=%x, " 200cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg3=%x\n", __func__, 201cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->phub_id_reg, 202cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->q_pri_val_reg, 203cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->rc_q_maxsize_reg, 204cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bri_q_maxsize_reg, 205cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->comp_resp_timeout_reg, 206cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bus_slave_control_reg, 207cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->deadlock_avoid_type_reg, 208cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg0, 209cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg1, 210cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg2, 211cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg3); 212cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (i = 0; i < MAX_NUM_INT_REDUCE_CONTROL_REG; i++) { 213cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->int_reduce_control_reg[i] = 214cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ioread32(p + PCH_PHUB_INT_REDUCE_CONTROL_REG_BASE + 4 * i); 215cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : " 216cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->int_reduce_control_reg[%d]=%x\n", 217cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak __func__, i, chip->int_reduce_control_reg[i]); 218cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 219cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->clkcfg_reg = ioread32(p + CLKCFG_REG_OFFSET); 220dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA if ((chip->ioh_type == 2) || (chip->ioh_type == 4)) 221dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA chip->funcsel_reg = ioread32(p + FUNCSEL_REG_OFFSET); 222cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 223cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 224cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* pch_phub_restore_reg_conf - restore register configuration */ 225cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_restore_reg_conf(struct pci_dev *pdev) 226cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 227cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int i; 228cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = pci_get_drvdata(pdev); 229cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *p; 230cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p = chip->pch_phub_base_address; 231cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 232cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->phub_id_reg, p + PCH_PHUB_ID_REG); 233cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->q_pri_val_reg, p + PCH_PHUB_QUEUE_PRI_VAL_REG); 234cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->rc_q_maxsize_reg, p + PCH_PHUB_RC_QUEUE_MAXSIZE_REG); 235cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->bri_q_maxsize_reg, p + PCH_PHUB_BRI_QUEUE_MAXSIZE_REG); 236cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->comp_resp_timeout_reg, 237cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_COMP_RESP_TIMEOUT_REG); 238cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->bus_slave_control_reg, 239cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_BUS_SLAVE_CONTROL_REG); 240cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->deadlock_avoid_type_reg, 241cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_DEADLOCK_AVOID_TYPE_REG); 242cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->intpin_reg_wpermit_reg0, 243cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_INTPIN_REG_WPERMIT_REG0); 244cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->intpin_reg_wpermit_reg1, 245cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_INTPIN_REG_WPERMIT_REG1); 246cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->intpin_reg_wpermit_reg2, 247cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_INTPIN_REG_WPERMIT_REG2); 248cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->intpin_reg_wpermit_reg3, 249cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_INTPIN_REG_WPERMIT_REG3); 250cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : " 251cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->phub_id_reg=%x, " 252cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->q_pri_val_reg=%x, " 253cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->rc_q_maxsize_reg=%x, " 254cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->bri_q_maxsize_reg=%x, " 255cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->comp_resp_timeout_reg=%x, " 256cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->bus_slave_control_reg=%x, " 257cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->deadlock_avoid_type_reg=%x, " 258cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg0=%x, " 259cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg1=%x, " 260cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg2=%x, " 261cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->intpin_reg_wpermit_reg3=%x\n", __func__, 262cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->phub_id_reg, 263cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->q_pri_val_reg, 264cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->rc_q_maxsize_reg, 265cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bri_q_maxsize_reg, 266cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->comp_resp_timeout_reg, 267cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->bus_slave_control_reg, 268cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->deadlock_avoid_type_reg, 269cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg0, 270cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg1, 271cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg2, 272cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->intpin_reg_wpermit_reg3); 273cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (i = 0; i < MAX_NUM_INT_REDUCE_CONTROL_REG; i++) { 274cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->int_reduce_control_reg[i], 275cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak p + PCH_PHUB_INT_REDUCE_CONTROL_REG_BASE + 4 * i); 276cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : " 277cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "chip->int_reduce_control_reg[%d]=%x\n", 278cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak __func__, i, chip->int_reduce_control_reg[i]); 279cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 280cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 281cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(chip->clkcfg_reg, p + CLKCFG_REG_OFFSET); 282dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA if ((chip->ioh_type == 2) || (chip->ioh_type == 4)) 283dd7d7fea29c18b818e94f252a76f495490d399c3Tomoya MORINAGA iowrite32(chip->funcsel_reg, p + FUNCSEL_REG_OFFSET); 284cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 285cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 286cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 287cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_read_serial_rom() - Reading Serial ROM 288cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Serial ROM offset address to read. 289cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Read buffer for specified Serial ROM value. 290cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 291cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_read_serial_rom(struct pch_phub_reg *chip, 292cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int offset_address, u8 *data) 293cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 294cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *mem_addr = chip->pch_phub_extrom_base_address + 295cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak offset_address; 296cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 297cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak *data = ioread8(mem_addr); 298cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 299cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 300cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 301cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_write_serial_rom() - Writing Serial ROM 302cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Serial ROM offset address. 303cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Serial ROM value to write. 304cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 305cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_write_serial_rom(struct pch_phub_reg *chip, 306cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int offset_address, u8 data) 307cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 308cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak void __iomem *mem_addr = chip->pch_phub_extrom_base_address + 309cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak (offset_address & PCH_WORD_ADDR_MASK); 310cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int i; 311cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int word_data; 312cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int pos; 313cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int mask; 314cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pos = (offset_address % 4) * 8; 315cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak mask = ~(0xFF << pos); 316cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 317cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(PCH_PHUB_ROM_WRITE_ENABLE, 318cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->pch_phub_extrom_base_address + PHUB_CONTROL); 319cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 320cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak word_data = ioread32(mem_addr); 321cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32((word_data & mask) | (u32)data << pos, mem_addr); 322cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 323cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak i = 0; 324cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak while (ioread8(chip->pch_phub_extrom_base_address + 325cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak PHUB_STATUS) != 0x00) { 326cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak msleep(1); 327cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (i == PHUB_TIMEOUT) 328cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return -ETIMEDOUT; 329cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak i++; 330cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 331cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 332cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak iowrite32(PCH_PHUB_ROM_WRITE_DISABLE, 333cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->pch_phub_extrom_base_address + PHUB_CONTROL); 334cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 335cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return 0; 336cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 337cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 338cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 339cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_read_serial_rom_val() - Read Serial ROM value 340cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Serial ROM address offset value. 341cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Serial ROM value to read. 342cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 343cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_read_serial_rom_val(struct pch_phub_reg *chip, 344cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int offset_address, u8 *data) 345cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 346cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int mem_addr; 347cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 348275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA mem_addr = chip->pch_mac_start_address + 349cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_mac_offset[offset_address]; 350cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 351cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_read_serial_rom(chip, mem_addr, data); 352cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 353cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 354cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 355cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_write_serial_rom_val() - writing Serial ROM value 356cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Serial ROM address offset value. 357cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Serial ROM value. 358cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 359cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_write_serial_rom_val(struct pch_phub_reg *chip, 360cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int offset_address, u8 data) 361cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 362cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int retval; 363cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int mem_addr; 364cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 365275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA mem_addr = chip->pch_mac_start_address + 366cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_mac_offset[offset_address]; 367cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 368cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval = pch_phub_write_serial_rom(chip, mem_addr, data); 369cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 370cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return retval; 371cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 372cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 373cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/* pch_phub_gbe_serial_rom_conf - makes Serial ROM header format configuration 374cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * for Gigabit Ethernet MAC address 375cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 376cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_gbe_serial_rom_conf(struct pch_phub_reg *chip) 377cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 378cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int retval; 379cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 380cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval = pch_phub_write_serial_rom(chip, 0x0b, 0xbc); 381cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x0a, 0x10); 382cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x09, 0x01); 383cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x08, 0x02); 384cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 385cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x0f, 0x00); 386cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x0e, 0x00); 387cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x0d, 0x00); 388cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x0c, 0x80); 389cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 390cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x13, 0xbc); 391cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x12, 0x10); 392cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x11, 0x01); 393cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x10, 0x18); 394cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 395cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x1b, 0xbc); 396cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x1a, 0x10); 397cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x19, 0x01); 398cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x18, 0x19); 399cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 400cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x23, 0xbc); 401cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x22, 0x10); 402cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x21, 0x01); 403cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x20, 0x3a); 404cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 405cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x27, 0x01); 406cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x26, 0x00); 407cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x25, 0x00); 408cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval |= pch_phub_write_serial_rom(chip, 0x24, 0x00); 409cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 410cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return retval; 411cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 412cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 413275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA/* pch_phub_gbe_serial_rom_conf_mp - makes SerialROM header format configuration 414275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * for Gigabit Ethernet MAC address 415275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA */ 416275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGAstatic int pch_phub_gbe_serial_rom_conf_mp(struct pch_phub_reg *chip) 417275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA{ 418275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA int retval; 419275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA u32 offset_addr; 420275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 421275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA offset_addr = 0x200; 422275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval = pch_phub_write_serial_rom(chip, 0x03 + offset_addr, 0xbc); 423275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x02 + offset_addr, 0x00); 424275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x01 + offset_addr, 0x40); 425275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x00 + offset_addr, 0x02); 426275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 427275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x07 + offset_addr, 0x00); 428275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x06 + offset_addr, 0x00); 429275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x05 + offset_addr, 0x00); 430275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x04 + offset_addr, 0x80); 431275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 432275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x0b + offset_addr, 0xbc); 433275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x0a + offset_addr, 0x00); 434275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x09 + offset_addr, 0x40); 435275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x08 + offset_addr, 0x18); 436275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 437275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x13 + offset_addr, 0xbc); 438275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x12 + offset_addr, 0x00); 439275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x11 + offset_addr, 0x40); 440275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x10 + offset_addr, 0x19); 441275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 442275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1b + offset_addr, 0xbc); 443275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1a + offset_addr, 0x00); 444275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x19 + offset_addr, 0x40); 445275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x18 + offset_addr, 0x3a); 446275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 447275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1f + offset_addr, 0x01); 448275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1e + offset_addr, 0x00); 449275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1d + offset_addr, 0x00); 450275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval |= pch_phub_write_serial_rom(chip, 0x1c + offset_addr, 0x00); 451275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 452275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA return retval; 453275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA} 454275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 455cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 456cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_read_gbe_mac_addr() - Read Gigabit Ethernet MAC address 457cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Gigabit Ethernet MAC address offset value. 458cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Buffer of the Gigabit Ethernet MAC address value. 459cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 460cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void pch_phub_read_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) 461cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 462cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int i; 463cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (i = 0; i < ETH_ALEN; i++) 464cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_read_serial_rom_val(chip, i, &data[i]); 465cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 466cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 467cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak/** 468cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * pch_phub_write_gbe_mac_addr() - Write MAC address 469cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @offset_address: Gigabit Ethernet MAC address offset value. 470cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak * @data: Gigabit Ethernet MAC address value. 471cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak */ 472cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) 473cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 474cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int retval; 475cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int i; 476cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 477275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (chip->ioh_type == 1) /* EG20T */ 478275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval = pch_phub_gbe_serial_rom_conf(chip); 479275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA else /* ML7223 */ 480275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval = pch_phub_gbe_serial_rom_conf_mp(chip); 481cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (retval) 482cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return retval; 483cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 484cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (i = 0; i < ETH_ALEN; i++) { 485cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak retval = pch_phub_write_serial_rom_val(chip, i, data[i]); 486cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (retval) 487cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return retval; 488cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 489cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 490cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return retval; 491cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 492cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 493cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, 494cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct bin_attribute *attr, char *buf, 495cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak loff_t off, size_t count) 496cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 497cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int rom_signature; 498cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned char rom_length; 499cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int tmp; 500cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int addr_offset; 501cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int orom_size; 502cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int ret; 503cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int err; 504cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 505cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = 506cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_get_drvdata(container_of(kobj, struct device, kobj)); 507cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 508cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = mutex_lock_interruptible(&pch_phub_mutex); 509cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 510cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak err = -ERESTARTSYS; 511cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_err_nomutex; 512cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 513cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 514cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak /* Get Rom signature */ 515275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address, 516275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA (unsigned char *)&rom_signature); 517cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak rom_signature &= 0xff; 518275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address + 1, 519275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA (unsigned char *)&tmp); 520cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak rom_signature |= (tmp & 0xff) << 8; 521cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (rom_signature == 0xAA55) { 522275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA pch_phub_read_serial_rom(chip, 523275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address + 2, 524275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA &rom_length); 525cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak orom_size = rom_length * 512; 526cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (orom_size < off) { 527cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak addr_offset = 0; 528cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_ok; 529cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 530cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (orom_size < count) { 531cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak addr_offset = 0; 532cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_ok; 533cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 534cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 535cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (addr_offset = 0; addr_offset < count; addr_offset++) { 536275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA pch_phub_read_serial_rom(chip, 537275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address + addr_offset + off, 538275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA &buf[addr_offset]); 539cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 540cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } else { 541cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak err = -ENODATA; 542cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_err; 543cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 544cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakreturn_ok: 545cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak mutex_unlock(&pch_phub_mutex); 546cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return addr_offset; 547cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 548cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakreturn_err: 549cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak mutex_unlock(&pch_phub_mutex); 550cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakreturn_err_nomutex: 551cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return err; 552cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 553cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 554cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, 555cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct bin_attribute *attr, 556cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak char *buf, loff_t off, size_t count) 557cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 558cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int err; 559cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak unsigned int addr_offset; 560cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int ret; 561cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = 562cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_get_drvdata(container_of(kobj, struct device, kobj)); 563cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 564cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = mutex_lock_interruptible(&pch_phub_mutex); 565cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) 566cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return -ERESTARTSYS; 567cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 568cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (off > PCH_PHUB_OROM_SIZE) { 569cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak addr_offset = 0; 570cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_ok; 571cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 572cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (count > PCH_PHUB_OROM_SIZE) { 573cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak addr_offset = 0; 574cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_ok; 575cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 576cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 577cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak for (addr_offset = 0; addr_offset < count; addr_offset++) { 578cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (PCH_PHUB_OROM_SIZE < off + addr_offset) 579cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_ok; 580cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 581275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA ret = pch_phub_write_serial_rom(chip, 582275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address + addr_offset + off, 583275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA buf[addr_offset]); 584cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 585cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak err = ret; 586cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto return_err; 587cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 588cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 589cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 590cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakreturn_ok: 591cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak mutex_unlock(&pch_phub_mutex); 592cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return addr_offset; 593cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 594cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakreturn_err: 595cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak mutex_unlock(&pch_phub_mutex); 596cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return err; 597cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 598cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 599cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr, 600cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak char *buf) 601cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 602cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u8 mac[8]; 603cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = dev_get_drvdata(dev); 604cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 605cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_read_gbe_mac_addr(chip, mac); 606cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 60725b8a88c10770e8c3f14bf2e222691dc6e79de78Andy Shevchenko return sprintf(buf, "%pM\n", mac); 608cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 609cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 610cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, 611cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak const char *buf, size_t count) 612cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 613cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak u8 mac[6]; 614cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = dev_get_drvdata(dev); 615cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 616cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (count != 18) 617cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return -EINVAL; 618cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 619cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak sscanf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", 620cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3], 621cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak (u32 *)&mac[4], (u32 *)&mac[5]); 622cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 623cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_write_gbe_mac_addr(chip, mac); 624cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 625cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return count; 626cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 627cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 628cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic DEVICE_ATTR(pch_mac, S_IRUGO | S_IWUSR, show_pch_mac, store_pch_mac); 629cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 630cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic struct bin_attribute pch_bin_attr = { 631cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .attr = { 632cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .name = "pch_firmware", 633cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .mode = S_IRUGO | S_IWUSR, 634cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak }, 635cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .size = PCH_PHUB_OROM_SIZE + 1, 636cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .read = pch_phub_bin_read, 637cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .write = pch_phub_bin_write, 638cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak}; 639cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 640cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int __devinit pch_phub_probe(struct pci_dev *pdev, 641cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak const struct pci_device_id *id) 642cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 643cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int retval; 644cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 645cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int ret; 646da0d7f982d538f4a5bcdddb84df4a484a3b1770bGreg Kroah-Hartman ssize_t rom_size; 647cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip; 648cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 649cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL); 650cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (chip == NULL) 651cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return -ENOMEM; 652cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 653cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = pci_enable_device(pdev); 654cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 655cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, 656cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "%s : pci_enable_device FAILED(ret=%d)", __func__, ret); 657cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto err_pci_enable_dev; 658cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 659cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : pci_enable_device returns %d\n", __func__, 660cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret); 661cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 662cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = pci_request_regions(pdev, KBUILD_MODNAME); 663cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 664cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, 665cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "%s : pci_request_regions FAILED(ret=%d)", __func__, ret); 666cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto err_req_regions; 667cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 668cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : " 669cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "pci_request_regions returns %d\n", __func__, ret); 670cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 671cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak chip->pch_phub_base_address = pci_iomap(pdev, 1, 0); 672cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 673cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 674cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (chip->pch_phub_base_address == 0) { 675cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, "%s : pci_iomap FAILED", __func__); 676cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = -ENOMEM; 677cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak goto err_pci_iomap; 678cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 679cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_dbg(&pdev->dev, "%s : pci_iomap SUCCESS and value " 680da0d7f982d538f4a5bcdddb84df4a484a3b1770bGreg Kroah-Hartman "in pch_phub_base_address variable is %p\n", __func__, 681da0d7f982d538f4a5bcdddb84df4a484a3b1770bGreg Kroah-Hartman chip->pch_phub_base_address); 682cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 683275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (id->driver_data != 3) { 684275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_phub_extrom_base_address =\ 685275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA pci_map_rom(pdev, &rom_size); 686275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (chip->pch_phub_extrom_base_address == 0) { 687275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__); 688275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA ret = -ENOMEM; 689275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA goto err_pci_map; 690275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA } 691275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA dev_dbg(&pdev->dev, "%s : " 692275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA "pci_map_rom SUCCESS and value in " 693275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA "pch_phub_extrom_base_address variable is %p\n", 694275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA __func__, chip->pch_phub_extrom_base_address); 695cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 696cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 697275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (id->driver_data == 1) { /* EG20T PCH */ 6982b934c6236983392d01bef22e43af3051cac16f5Alexander Stein const char *board_name; 6992b934c6236983392d01bef22e43af3051cac16f5Alexander Stein 700c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA retval = sysfs_create_file(&pdev->dev.kobj, 701c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA &dev_attr_pch_mac.attr); 702c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA if (retval) 703c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA goto err_sysfs_create; 704cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 705c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); 706c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA if (retval) 707c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA goto exit_bin_attr; 708c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA 709c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA pch_phub_read_modify_write_reg(chip, 710c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA (unsigned int)CLKCFG_REG_OFFSET, 711c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA CLKCFG_CAN_50MHZ, 712c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA CLKCFG_CANCLK_MASK); 713c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA 7146ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev /* quirk for CM-iTC board */ 7152b934c6236983392d01bef22e43af3051cac16f5Alexander Stein board_name = dmi_get_system_info(DMI_BOARD_NAME); 7162b934c6236983392d01bef22e43af3051cac16f5Alexander Stein if (board_name && strstr(board_name, "CM-iTC")) 7176ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev pch_phub_read_modify_write_reg(chip, 7186ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev (unsigned int)CLKCFG_REG_OFFSET, 7196ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev CLKCFG_UART_48MHZ | CLKCFG_BAUDDIV | 7206ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev CLKCFG_PLL2VCO | CLKCFG_UARTCLKSEL, 7216ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev CLKCFG_UART_MASK); 7226ae705b23be8da52d3163be9d81e9b767876aaf9Denis Turischev 723c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA /* set the prefech value */ 724c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); 725c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA /* set the interrupt delay value */ 726c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA iowrite32(0x25, chip->pch_phub_base_address + 0x44); 727275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T; 728275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T; 729275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA } else if (id->driver_data == 2) { /* ML7213 IOH */ 730c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); 731c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA if (retval) 732c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA goto err_sysfs_create; 733c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA /* set the prefech value 734c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA * Device2(USB OHCI #1/ USB EHCI #1/ USB Device):a 735c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA * Device4(SDIO #0,1,2):f 736c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA * Device6(SATA 2):f 737c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA * Device8(USB OHCI #0/ USB EHCI #0):a 738c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA */ 739c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA iowrite32(0x000affa0, chip->pch_phub_base_address + 0x14); 740275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address =\ 741275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA PCH_PHUB_ROM_START_ADDR_ML7213; 742275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA } else if (id->driver_data == 3) { /* ML7223 IOH Bus-m*/ 743275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA /* set the prefech value 744275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * Device8(GbE) 745275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA */ 746275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA iowrite32(0x000a0000, chip->pch_phub_base_address + 0x14); 74720ae6d0b307963416db0e8433602e5d5c95e942bTomoya MORINAGA /* set the interrupt delay value */ 74820ae6d0b307963416db0e8433602e5d5c95e942bTomoya MORINAGA iowrite32(0x25, chip->pch_phub_base_address + 0x140); 749275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address =\ 750275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA PCH_PHUB_ROM_START_ADDR_ML7223; 751275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; 752275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA } else if (id->driver_data == 4) { /* ML7223 IOH Bus-n*/ 753275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval = sysfs_create_file(&pdev->dev.kobj, 754275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA &dev_attr_pch_mac.attr); 755275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (retval) 756275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA goto err_sysfs_create; 757275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); 758275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA if (retval) 759275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA goto exit_bin_attr; 760275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA /* set the prefech value 761275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * Device2(USB OHCI #0,1,2,3/ USB EHCI #0):a 762275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * Device4(SDIO #0,1):f 763275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA * Device6(SATA 2):f 764275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA */ 765275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA iowrite32(0x0000ffa0, chip->pch_phub_base_address + 0x14); 766275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_opt_rom_start_address =\ 767275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA PCH_PHUB_ROM_START_ADDR_ML7223; 768275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; 769584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA } else if (id->driver_data == 5) { /* ML7831 */ 770584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA retval = sysfs_create_file(&pdev->dev.kobj, 771584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA &dev_attr_pch_mac.attr); 772584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA if (retval) 773584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA goto err_sysfs_create; 774584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA 775584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); 776584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA if (retval) 777584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA goto exit_bin_attr; 778584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA 779584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA /* set the prefech value */ 780584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); 781584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA /* set the interrupt delay value */ 782584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA iowrite32(0x25, chip->pch_phub_base_address + 0x44); 783584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T; 784584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T; 785c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA } 786275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA 787275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA chip->ioh_type = id->driver_data; 788c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA pci_set_drvdata(pdev, chip); 789cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 790cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return 0; 791cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakexit_bin_attr: 792cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); 793cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 794cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakerr_sysfs_create: 795cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); 796cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakerr_pci_map: 797cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_iounmap(pdev, chip->pch_phub_base_address); 798cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakerr_pci_iomap: 799cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_release_regions(pdev); 800cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakerr_req_regions: 801cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_disable_device(pdev); 802cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakerr_pci_enable_dev: 803cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak kfree(chip); 804cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, "%s returns %d\n", __func__, ret); 805cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return ret; 806cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 807cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 808cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void __devexit pch_phub_remove(struct pci_dev *pdev) 809cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 810cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak struct pch_phub_reg *chip = pci_get_drvdata(pdev); 811cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 812cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); 813cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr); 814cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); 815cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_iounmap(pdev, chip->pch_phub_base_address); 816cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_release_regions(pdev); 817cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_disable_device(pdev); 818cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak kfree(chip); 819cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 820cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 821cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#ifdef CONFIG_PM 822cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 823cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_suspend(struct pci_dev *pdev, pm_message_t state) 824cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 825cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int ret; 826cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 827cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_save_reg_conf(pdev); 828cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = pci_save_state(pdev); 829cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 830cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, 831cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak " %s -pci_save_state returns %d\n", __func__, ret); 832cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return ret; 833cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 834cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_enable_wake(pdev, PCI_D3hot, 0); 835cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_disable_device(pdev); 836cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_set_power_state(pdev, pci_choose_state(pdev, state)); 837cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 838cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return 0; 839cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 840cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 841cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int pch_phub_resume(struct pci_dev *pdev) 842cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 843cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak int ret; 844cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 845cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_set_power_state(pdev, PCI_D0); 846cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_restore_state(pdev); 847cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak ret = pci_enable_device(pdev); 848cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak if (ret) { 849cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak dev_err(&pdev->dev, 850cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak "%s-pci_enable_device failed(ret=%d) ", __func__, ret); 851cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return ret; 852cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak } 853cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 854cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_enable_wake(pdev, PCI_D3hot, 0); 855cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pch_phub_restore_reg_conf(pdev); 856cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 857cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return 0; 858cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 859cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#else 860cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define pch_phub_suspend NULL 861cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#define pch_phub_resume NULL 862cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak#endif /* CONFIG_PM */ 863cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 864cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic struct pci_device_id pch_phub_pcidev_id[] = { 865c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH1_PHUB), 1, }, 866c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, }, 867275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3, }, 868275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGA { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4, }, 869584ad00ce4bfe594e4c4a89944b3c635187a1ca1Tomoya MORINAGA { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5, }, 870c47dda7d179dde17697c3f839f150fecaf6770cbTomoya MORINAGA { } 871cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak}; 872b259514282d54323aaadead3dac4823ea01f9b89Axel LinMODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id); 873cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 874cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic struct pci_driver pch_phub_driver = { 875cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .name = "pch_phub", 876cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .id_table = pch_phub_pcidev_id, 877cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .probe = pch_phub_probe, 878cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .remove = __devexit_p(pch_phub_remove), 879cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .suspend = pch_phub_suspend, 880cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak .resume = pch_phub_resume 881cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak}; 882cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 883cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic int __init pch_phub_pci_init(void) 884cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 885cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak return pci_register_driver(&pch_phub_driver); 886cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 887cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 888cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakstatic void __exit pch_phub_pci_exit(void) 889cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak{ 890cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak pci_unregister_driver(&pch_phub_driver); 891cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak} 892cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 893cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakmodule_init(pch_phub_pci_init); 894cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtakmodule_exit(pch_phub_pci_exit); 895cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki Ohtak 896275640b0d8f0ef8c493d7b6613a23d427929b5dbTomoya MORINAGAMODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"); 897cf4ece53460c64a04a643ef13f6b6cb4bf3a8342Masayuki OhtakMODULE_LICENSE("GPL"); 898