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author | Jonas Gorski <jogo@openwrt.org> | 2013-04-23 13:55:36 +0000 |
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committer | Jonas Gorski <jogo@openwrt.org> | 2013-04-23 13:55:36 +0000 |
commit | 90986b5581772a3767f5af2cadbde7310a3df296 (patch) | |
tree | 5a83f720d472bd1e039b021f92b9ff552d16cbe2 /target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch | |
parent | 2a1a16d2d55b02dd145db1be84999b88895595e5 (diff) | |
download | upstream-90986b5581772a3767f5af2cadbde7310a3df296.tar.gz upstream-90986b5581772a3767f5af2cadbde7310a3df296.tar.bz2 upstream-90986b5581772a3767f5af2cadbde7310a3df296.zip |
bcm63xx: update patches with upstream submissions
SVN-Revision: 36407
Diffstat (limited to 'target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch b/target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch new file mode 100644 index 0000000000..8e2feb8bf6 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.8/416-BCM63XX-add-a-fixup-for-ath9k-devices.patch @@ -0,0 +1,227 @@ +From bbebbf735a02b6d044ed928978ab4bd5f1833364 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Thu, 3 May 2012 14:36:11 +0200 +Subject: [PATCH 61/72] BCM63XX: add a fixup for ath9k devices + +--- + arch/mips/bcm63xx/Makefile | 3 +- + arch/mips/bcm63xx/pci-ath9k-fixup.c | 190 ++++++++++++++++++++ + .../include/asm/mach-bcm63xx/pci_ath9k_fixup.h | 7 + + 3 files changed, 199 insertions(+), 1 deletion(-) + create mode 100644 arch/mips/bcm63xx/pci-ath9k-fixup.c + create mode 100644 arch/mips/include/asm/mach-bcm63xx/pci_ath9k_fixup.h + +--- a/arch/mips/bcm63xx/Makefile ++++ b/arch/mips/bcm63xx/Makefile +@@ -2,7 +2,7 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o + setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \ + dev-hsspi.o dev-pcmcia.o dev-rng.o dev-spi.o dev-uart.o \ + dev-wdt.o dev-usb-ehci.o dev-usb-ohci.o dev-usb-usbd.o \ +- usb-common.o ++ pci-ath9k-fixup.o usb-common.o + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + + obj-y += boards/ +--- /dev/null ++++ b/arch/mips/bcm63xx/pci-ath9k-fixup.c +@@ -0,0 +1,190 @@ ++/* ++ * Broadcom BCM63XX Ath9k EEPROM fixup helper. ++ * ++ * Copytight (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> ++ * ++ * Based on ++ * ++ * 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 <linux/ath9k_platform.h> ++ ++#include <bcm63xx_cpu.h> ++#include <bcm63xx_io.h> ++#include <bcm63xx_nvram.h> ++#include <bcm63xx_dev_pci.h> ++#include <bcm63xx_dev_flash.h> ++#include <bcm63xx_dev_hsspi.h> ++#include <pci_ath9k_fixup.h> ++ ++struct ath9k_fixup { ++ unsigned slot; ++ u8 mac[ETH_ALEN]; ++ struct ath9k_platform_data pdata; ++}; ++ ++static int ath9k_num_fixups; ++static struct ath9k_fixup ath9k_fixups[2] = { ++ { ++ .slot = 255, ++ .pdata = { ++ .led_pin = -1, ++ }, ++ }, ++ { ++ .slot = 255, ++ .pdata = { ++ .led_pin = -1, ++ }, ++ }, ++}; ++ ++static u16 *bcm63xx_read_eeprom(u16 *eeprom, u32 offset) ++{ ++ u32 addr; ++ ++ if (BCMCPU_IS_6328()) { ++ addr = 0x18000000; ++ } else { ++ addr = bcm_mpi_readl(MPI_CSBASE_REG(0)); ++ addr &= MPI_CSBASE_BASE_MASK; ++ } ++ ++ switch (bcm63xx_attached_flash) { ++ case BCM63XX_FLASH_TYPE_PARALLEL: ++ memcpy(eeprom, (void *)KSEG1ADDR(addr + offset), ATH9K_PLAT_EEP_MAX_WORDS * sizeof(u16)); ++ return eeprom; ++ case BCM63XX_FLASH_TYPE_SERIAL: ++ /* the first megabyte is memory mapped */ ++ if (offset < 0x100000) { ++ memcpy(eeprom, (void *)KSEG1ADDR(addr + offset), ATH9K_PLAT_EEP_MAX_WORDS * sizeof(u16)); ++ return eeprom; ++ } ++ ++ if (BCMCPU_IS_6328()) { ++ /* we can change the memory mapped megabyte */ ++ bcm_hsspi_writel(offset & 0xf00000, 0x18); ++ memcpy(eeprom, (void *)KSEG1ADDR(addr + (offset & 0xfffff)), ATH9K_PLAT_EEP_MAX_WORDS * sizeof(u16)); ++ bcm_hsspi_writel(0, 0x18); ++ return eeprom; ++ } ++ /* can't do anything here without talking to the SPI controller. */ ++ case BCM63XX_FLASH_TYPE_NAND: ++ default: ++ return NULL; ++ } ++} ++ ++static void ath9k_pci_fixup(struct pci_dev *dev) ++{ ++ void __iomem *mem; ++ struct ath9k_platform_data *pdata = NULL; ++ u16 *cal_data = NULL; ++ u16 cmd; ++ u32 bar0; ++ u32 val; ++ unsigned i; ++ ++ for (i = 0; i < ath9k_num_fixups; i++) { ++ if (ath9k_fixups[i].slot != PCI_SLOT(dev->devfn)) ++ continue; ++ ++ cal_data = ath9k_fixups[i].pdata.eeprom_data; ++ pdata = &ath9k_fixups[i].pdata; ++ 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)); ++ ++ switch (bcm63xx_get_cpu_id()) { ++ case BCM6328_CPU_ID: ++ val = BCM_PCIE_MEM_BASE_PA; ++ break; ++ case BCM6348_CPU_ID: ++ case BCM6358_CPU_ID: ++ case BCM6368_CPU_ID: ++ val = BCM_PCI_MEM_BASE_PA; ++ break; ++ default: ++ BUG(); ++ } ++ ++ mem = ioremap(val, 0x10000); ++ if (!mem) { ++ pr_err("pci %s: ioremap error\n", pci_name(dev)); ++ return; ++ } ++ ++ pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0); ++ pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0); ++ pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, val); ++ ++ pci_read_config_word(dev, PCI_COMMAND, &cmd); ++ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; ++ pci_write_config_word(dev, PCI_COMMAND, cmd); ++ ++ /* set offset to first reg address */ ++ cal_data += 3; ++ while(*cal_data != 0xffff) { ++ u32 reg; ++ reg = *cal_data++; ++ val = *cal_data++; ++ val |= (*cal_data++) << 16; ++ ++ 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); ++ ++ dev->dev.platform_data = pdata; ++} ++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath9k_pci_fixup); ++ ++void __init pci_enable_ath9k_fixup(unsigned slot, u32 offset) ++{ ++ if (ath9k_num_fixups >= ARRAY_SIZE(ath9k_fixups)) ++ return; ++ ++ ath9k_fixups[ath9k_num_fixups].slot = slot; ++ ++ if (!bcm63xx_read_eeprom(ath9k_fixups[ath9k_num_fixups].pdata.eeprom_data, offset)) ++ return; ++ ++ if (bcm63xx_nvram_get_mac_address(ath9k_fixups[ath9k_num_fixups].mac)) ++ return; ++ ++ ath9k_fixups[ath9k_num_fixups].pdata.macaddr = ath9k_fixups[ath9k_num_fixups].mac; ++ ath9k_num_fixups++; ++} +--- /dev/null ++++ b/arch/mips/include/asm/mach-bcm63xx/pci_ath9k_fixup.h +@@ -0,0 +1,7 @@ ++#ifndef _PCI_ATH9K_FIXUP ++#define _PCI_ATH9K_FIXUP ++ ++ ++void pci_enable_ath9k_fixup(unsigned slot, u32 offset) __init; ++ ++#endif /* _PCI_ATH9K_FIXUP */ |