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Code

ar71xx: move ath9k specific PCI fixup into a separate file

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23131 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2010-09-27 14:53:46 +00:00
parent d39b21c7f6
commit ae0b1149b9
10 changed files with 144 additions and 148 deletions
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1
target/linux/ar71xx/config-2.6.32
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@ -48,6 +48,7 @@ CONFIG_AR71XX_MACH_WRT400N=y
CONFIG_AR71XX_MACH_WZR_HP_G300NH=y
CONFIG_AR71XX_MACH_ZCN_1523H=y
CONFIG_AR71XX_NVRAM=y
CONFIG_AR71XX_PCI_ATH9K_FIXUP=y
CONFIG_AR71XX_WDT=y
CONFIG_AR8216_PHY=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set

1
target/linux/ar71xx/config-2.6.33
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@ -47,6 +47,7 @@ CONFIG_AR71XX_MACH_WRT160NL=y
CONFIG_AR71XX_MACH_WRT400N=y
CONFIG_AR71XX_MACH_WZR_HP_G300NH=y
CONFIG_AR71XX_MACH_ZCN_1523H=y
CONFIG_AR71XX_PCI_ATH9K_FIXUP=y
CONFIG_AR71XX_NVRAM=y
CONFIG_AR71XX_WDT=y
CONFIG_AR8216_PHY=y

1
target/linux/ar71xx/config-2.6.34
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@ -48,6 +48,7 @@ CONFIG_AR71XX_MACH_WRT400N=y
CONFIG_AR71XX_MACH_WZR_HP_G300NH=y
CONFIG_AR71XX_MACH_ZCN_1523H=y
CONFIG_AR71XX_NVRAM=y
CONFIG_AR71XX_PCI_ATH9K_FIXUP=y
CONFIG_AR71XX_WDT=y
CONFIG_AR8216_PHY=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set

1
target/linux/ar71xx/config-2.6.35
View File

@ -48,6 +48,7 @@ CONFIG_AR71XX_MACH_WRT400N=y
CONFIG_AR71XX_MACH_WZR_HP_G300NH=y
CONFIG_AR71XX_MACH_ZCN_1523H=y
CONFIG_AR71XX_NVRAM=y
CONFIG_AR71XX_PCI_ATH9K_FIXUP=y
CONFIG_AR71XX_WDT=y
CONFIG_AR8216_PHY=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set

5
target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
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@ -261,6 +261,7 @@ config AR71XX_DEV_M25P80
def_bool n
config AR71XX_DEV_AP91_PCI
select AR71XX_PCI_ATH9K_FIXUP
def_bool n
config AR71XX_DEV_AP91_ETH
@ -268,6 +269,7 @@ config AR71XX_DEV_AP91_ETH
def_bool n
config AR71XX_DEV_AP94_PCI
select AR71XX_PCI_ATH9K_FIXUP
def_bool n
config AR71XX_DEV_AR913X_WMAC
@ -294,4 +296,7 @@ config AR71XX_DEV_USB
config AR71XX_NVRAM
def_bool n
config AR71XX_PCI_ATH9K_FIXUP
def_bool n
endif

1
target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
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@ -26,6 +26,7 @@ obj-$(CONFIG_AR71XX_DEV_PB9X_PCI) += dev-pb9x-pci.o
obj-$(CONFIG_AR71XX_DEV_USB) += dev-usb.o
obj-$(CONFIG_AR71XX_NVRAM) += nvram.o
obj-$(CONFIG_AR71XX_PCI_ATH9K_FIXUP) += pci-ath9k-fixup.o
obj-$(CONFIG_AR71XX_MACH_AP81) += mach-ap81.o
obj-$(CONFIG_AR71XX_MACH_AP83) += mach-ap83.o

73
target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-pci.c
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@ -16,10 +16,10 @@
#include <asm/mach-ar71xx/pci.h>
#include "dev-ap91-pci.h"
#include "pci-ath9k-fixup.h"
static struct ath9k_platform_data ap91_wmac_data;
static char ap91_wmac_mac[6];
static int ap91_pci_fixup_enabled;
static struct ar71xx_pci_irq ap91_pci_irqs[] __initdata = {
{
@ -40,75 +40,6 @@ static int ap91_pci_plat_dev_init(struct pci_dev *dev)
return 0;
}
static void ap91_pci_fixup(struct pci_dev *dev)
{
void __iomem *mem;
u16 *cal_data;
u16 cmd;
u32 val;
if (!ap91_pci_fixup_enabled)
return;
printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
cal_data = ap91_wmac_data.eeprom_data;
if (*cal_data != 0xa55a) {
printk(KERN_ERR "PCI: no calibration data found for %s\n",
pci_name(dev));
return;
}
mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
if (!mem) {
printk(KERN_ERR "PCI: ioremap error for device %s\n",
pci_name(dev));
return;
}
/* Setup the PCI device to allow access to the internal registers */
switch (ar71xx_soc) {
case AR71XX_SOC_AR7240:
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0xffff);
break;
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0x1000ffff);
break;
default:
BUG();
}
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, cmd);
/* set pointer to first reg address */
cal_data += 3;
while (*cal_data != 0xffff) {
u32 reg;
reg = *cal_data++;
val = *cal_data++;
val |= (*cal_data++) << 16;
__raw_writel(val, mem + reg);
udelay(100);
}
pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
dev->vendor = val & 0xffff;
dev->device = (val >> 16) & 0xffff;
pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
dev->revision = val & 0xff;
dev->class = val >> 8; /* upper 3 bytes */
iounmap(mem);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ap91_pci_fixup);
void __init ap91_pci_init(u8 *cal_data, u8 *mac_addr)
{
if (cal_data)
@ -123,5 +54,5 @@ void __init ap91_pci_init(u8 *cal_data, u8 *mac_addr)
ar71xx_pci_plat_dev_init = ap91_pci_plat_dev_init;
ar71xx_pci_init(ARRAY_SIZE(ap91_pci_irqs), ap91_pci_irqs);
ap91_pci_fixup_enabled = 1;
pci_enable_ath9k_fixup(0, ap91_wmac_data.eeprom_data);
}

80
target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap94-pci.c
View File

@ -16,12 +16,12 @@
#include <asm/mach-ar71xx/pci.h>
#include "dev-ap94-pci.h"
#include "pci-ath9k-fixup.h"
static struct ath9k_platform_data ap94_wmac0_data;
static struct ath9k_platform_data ap94_wmac1_data;
static char ap94_wmac0_mac[6];
static char ap94_wmac1_mac[6];
static int ap94_pci_fixup_enabled;
static struct ar71xx_pci_irq ap94_pci_irqs[] __initdata = {
{
@ -50,81 +50,6 @@ static int ap94_pci_plat_dev_init(struct pci_dev *dev)
return 0;
}
static void ap94_pci_fixup(struct pci_dev *dev)
{
void __iomem *mem;
u16 *cal_data;
u16 cmd;
u32 bar0;
u32 val;
if (!ap94_pci_fixup_enabled)
return;
switch (PCI_SLOT(dev->devfn)) {
case 17:
cal_data = ap94_wmac0_data.eeprom_data;
break;
case 18:
cal_data = ap94_wmac1_data.eeprom_data;
break;
default:
return;
}
if (*cal_data != 0xa55a) {
printk(KERN_ERR "PCI: no calibration data found for %s\n",
pci_name(dev));
return;
}
mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
if (!mem) {
printk(KERN_ERR "PCI: ioremap error for device %s\n",
pci_name(dev));
return;
}
printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
/* Setup the PCI device to allow access to the internal registers */
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, AR71XX_PCI_MEM_BASE);
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, cmd);
/* set pointer to first reg address */
cal_data += 3;
while (*cal_data != 0xffff) {
u32 reg;
reg = *cal_data++;
val = *cal_data++;
val |= (*cal_data++) << 16;
__raw_writel(val, mem + reg);
udelay(100);
}
pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
dev->vendor = val & 0xffff;
dev->device = (val >> 16) & 0xffff;
pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
dev->revision = val & 0xff;
dev->class = val >> 8; /* upper 3 bytes */
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
pci_write_config_word(dev, PCI_COMMAND, cmd);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
iounmap(mem);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ap94_pci_fixup);
void __init ap94_pci_enable_quirk_wndr3700(void)
{
ap94_wmac0_data.quirk_wndr3700 = 1;
@ -155,5 +80,6 @@ void __init ap94_pci_init(u8 *cal_data0, u8 *mac_addr0,
ar71xx_pci_plat_dev_init = ap94_pci_plat_dev_init;
ar71xx_pci_init(ARRAY_SIZE(ap94_pci_irqs), ap94_pci_irqs);
ap94_pci_fixup_enabled = 1;
pci_enable_ath9k_fixup(17, ap94_wmac0_data.eeprom_data);
pci_enable_ath9k_fixup(18, ap94_wmac1_data.eeprom_data);
}

123
target/linux/ar71xx/files/arch/mips/ar71xx/pci-ath9k-fixup.c Normal file
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@ -0,0 +1,123 @@
/*
* Atheros AP94 reference board PCI initialization
*
* Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/pci.h>
struct ath9k_fixup {
u16 *cal_data;
unsigned slot;
};
static int ath9k_num_fixups;
static struct ath9k_fixup ath9k_fixups[2];
static void ath9k_pci_fixup(struct pci_dev *dev)
{
void __iomem *mem;
u16 *cal_data = NULL;
u16 cmd;
u32 bar0;
u32 val;
unsigned i;
for (i = 0; i < ath9k_num_fixups; i++) {
if (ath9k_fixups[i].cal_data == NULL)
continue;
if (ath9k_fixups[i].slot != PCI_SLOT(dev->devfn))
continue;
cal_data = ath9k_fixups[i].cal_data;
break;
}
if (cal_data == NULL)
return;
if (*cal_data != 0xa55a) {
pr_err("pci %s: invalid calibration data\n", pci_name(dev));
return;
}
pr_info("pci %s: fixup device configuration\n", pci_name(dev));
mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
if (!mem) {
pr_err("pci %s: ioremap error\n", pci_name(dev));
return;
}
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
switch (ar71xx_soc) {
case AR71XX_SOC_AR7161:
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0,
AR71XX_PCI_MEM_BASE);
break;
case AR71XX_SOC_AR7240:
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0xffff);
break;
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0x1000ffff);
break;
default:
BUG();
}
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, cmd);
/* set pointer to first reg address */
cal_data += 3;
while (*cal_data != 0xffff) {
u32 reg;
reg = *cal_data++;
val = *cal_data++;
val |= (*cal_data++) << 16;
__raw_writel(val, mem + reg);
udelay(100);
}
pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
dev->vendor = val & 0xffff;
dev->device = (val >> 16) & 0xffff;
pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
dev->revision = val & 0xff;
dev->class = val >> 8; /* upper 3 bytes */
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
pci_write_config_word(dev, PCI_COMMAND, cmd);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
iounmap(mem);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath9k_pci_fixup);
void __init pci_enable_ath9k_fixup(unsigned slot, u16 *cal_data)
{
if (ath9k_num_fixups >= ARRAY_SIZE(ath9k_fixups))
return;
ath9k_fixups[ath9k_num_fixups].slot = slot;
ath9k_fixups[ath9k_num_fixups].cal_data = cal_data;
ath9k_num_fixups++;
}

6
target/linux/ar71xx/files/arch/mips/ar71xx/pci-ath9k-fixup.h Normal file
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@ -0,0 +1,6 @@
#ifndef _PCI_ATH9K_FIXUP
#define _PCI_ATH9K_FIXUP
void pci_enable_ath9k_fixup(unsigned slot, u16 *cal_data) __init;
#endif /* _PCI_ATH9K_FIXUP */