diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/pci-ath9k-fixup.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/pci-ath9k-fixup.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/pci-ath9k-fixup.c b/target/linux/ar71xx/files/arch/mips/ath79/pci-ath9k-fixup.c deleted file mode 100644 index 2202351806..0000000000 --- a/target/linux/ar71xx/files/arch/mips/ath79/pci-ath9k-fixup.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * 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-ath79/ar71xx_regs.h> -#include <asm/mach-ath79/ath79.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 (ath79_soc) { - case ATH79_SOC_AR7161: - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, - AR71XX_PCI_MEM_BASE); - break; - case ATH79_SOC_AR7240: - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0xffff); - break; - - case ATH79_SOC_AR7241: - case ATH79_SOC_AR7242: - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0x1000ffff); - break; - case ATH79_SOC_AR9344: - 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++; -} |