summaryrefslogtreecommitdiff
path: root/target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch')
-rw-r--r--target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch570
1 files changed, 570 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch b/target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
new file mode 100644
index 0000000..4460961
--- /dev/null
+++ b/target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
@@ -0,0 +1,570 @@
+From 0c9b05716ac0e597ae0f81a96ff68e54716decc9 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 13 Mar 2013 10:02:58 +0100
+Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet eeprom handling
+
+---
+ arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h | 6 +
+ .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 3 +
+ arch/mips/lantiq/xway/Makefile | 3 +
+ arch/mips/lantiq/xway/ath_eep.c | 206 ++++++++++++++++++++
+ arch/mips/lantiq/xway/eth_mac.c | 76 ++++++++
+ arch/mips/lantiq/xway/pci-ath-fixup.c | 109 +++++++++++
+ arch/mips/lantiq/xway/rt_eep.c | 60 ++++++
+ drivers/net/ethernet/lantiq_etop.c | 10 +-
+ 8 files changed, 469 insertions(+), 4 deletions(-)
+ create mode 100644 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
+ create mode 100644 arch/mips/lantiq/xway/ath_eep.c
+ create mode 100644 arch/mips/lantiq/xway/eth_mac.c
+ create mode 100644 arch/mips/lantiq/xway/pci-ath-fixup.c
+ create mode 100644 arch/mips/lantiq/xway/rt_eep.c
+
+diff --git a/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h b/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
+new file mode 100644
+index 0000000..095d2619
+--- /dev/null
++++ b/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
+@@ -0,0 +1,6 @@
++#ifndef _PCI_ATH_FIXUP
++#define _PCI_ATH_FIXUP
++
++void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
++
++#endif /* _PCI_ATH_FIXUP */
+diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+index 133336b..779715c 100644
+--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+@@ -90,5 +90,8 @@ int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr);
+ extern void ltq_pmu_enable(unsigned int module);
+ extern void ltq_pmu_disable(unsigned int module);
+
++/* allow the ethernet driver to load a flash mapped mac addr */
++const u8* ltq_get_eth_mac(void);
++
+ #endif /* CONFIG_SOC_TYPE_XWAY */
+ #endif /* _LTQ_XWAY_H__ */
+diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
+index 087497d..51f0eba 100644
+--- a/arch/mips/lantiq/xway/Makefile
++++ b/arch/mips/lantiq/xway/Makefile
+@@ -1,3 +1,6 @@
+ obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o
+
++obj-y += eth_mac.o
++obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
++
+ obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
+diff --git a/arch/mips/lantiq/xway/ath_eep.c b/arch/mips/lantiq/xway/ath_eep.c
+new file mode 100644
+index 0000000..96da7c1
+--- /dev/null
++++ b/arch/mips/lantiq/xway/ath_eep.c
+@@ -0,0 +1,206 @@
++/*
++ * Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
++ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
++ * Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
++ * Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
++ *
++ * 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/init.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/etherdevice.h>
++#include <linux/ath5k_platform.h>
++#include <linux/ath9k_platform.h>
++#include <linux/pci.h>
++#include <pci-ath-fixup.h>
++
++extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
++struct ath5k_platform_data ath5k_pdata;
++struct ath9k_platform_data ath9k_pdata = {
++ .led_pin = -1,
++};
++static u16 ath5k_eeprom_data[ATH5K_PLAT_EEP_MAX_WORDS];
++static u8 athxk_eeprom_mac[6];
++
++static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
++{
++ dev->dev.platform_data = &ath9k_pdata;
++ return 0;
++}
++
++int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct resource *eep_res, *mac_res;
++ void __iomem *eep, *mac;
++ int mac_offset;
++ u32 mac_inc = 0, pci_slot = 0;
++ int i;
++ u16 *eepdata, sum, el;
++
++ eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
++
++ if (!eep_res) {
++ dev_err(&pdev->dev, "failed to load eeprom address\n");
++ return -ENODEV;
++ }
++ if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS) {
++ dev_err(&pdev->dev, "eeprom has an invalid size\n");
++ return -EINVAL;
++ }
++
++ eep = ioremap(eep_res->start, resource_size(eep_res));
++ memcpy_fromio(ath9k_pdata.eeprom_data, eep, ATH9K_PLAT_EEP_MAX_WORDS);
++
++ if (of_find_property(np, "ath,eep-swap", NULL)) {
++ ath9k_pdata.endian_check = true;
++
++ dev_info(&pdev->dev, "endian check enabled.\n");
++ }
++
++ if (of_find_property(np, "ath,eep-csum", NULL)) {
++ sum = ath9k_pdata.eeprom_data[0x200>>1];
++ el = sum / sizeof(u16) - 2; /* skip length and (old) checksum */
++ eepdata = (u16 *) (&ath9k_pdata.eeprom_data[0x204>>1]); /* after checksum */
++ for (i = 0; i < el; i++)
++ sum ^= *eepdata++;
++ sum ^= 0xffff;
++ ath9k_pdata.eeprom_data[0x202>>1] = sum;
++
++ dev_info(&pdev->dev, "checksum fixed.\n");
++ }
++
++ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
++ memcpy_fromio(athxk_eeprom_mac, (void*) ath9k_pdata.eeprom_data, 6);
++ } else if (mac_res) {
++ if (resource_size(mac_res) != 6) {
++ dev_err(&pdev->dev, "mac has an invalid size\n");
++ return -EINVAL;
++ }
++ mac = ioremap(mac_res->start, resource_size(mac_res));
++ memcpy_fromio(athxk_eeprom_mac, mac, 6);
++ } else {
++ dev_warn(&pdev->dev, "using random mac\n");
++ random_ether_addr(athxk_eeprom_mac);
++ }
++
++ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
++ athxk_eeprom_mac[5] += mac_inc;
++
++ ath9k_pdata.macaddr = athxk_eeprom_mac;
++ ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
++
++ if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
++ ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
++
++ dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
++ }
++
++ dev_info(&pdev->dev, "loaded ath9k eeprom\n");
++
++ return 0;
++}
++
++static struct of_device_id ath9k_eeprom_ids[] = {
++ { .compatible = "ath9k,eeprom" },
++ { }
++};
++
++static struct platform_driver ath9k_eeprom_driver = {
++ .driver = {
++ .name = "ath9k,eeprom",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(ath9k_eeprom_ids),
++ },
++};
++
++static int __init of_ath9k_eeprom_init(void)
++{
++ return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
++}
++arch_initcall(of_ath9k_eeprom_init);
++
++
++static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
++{
++ dev->dev.platform_data = &ath5k_pdata;
++ return 0;
++}
++
++int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct resource *eep_res, *mac_res;
++ void __iomem *eep, *mac;
++ int mac_offset;
++ u32 mac_inc = 0;
++ int i;
++
++ eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
++
++ if (!eep_res) {
++ dev_err(&pdev->dev, "failed to load eeprom address\n");
++ return -ENODEV;
++ }
++ if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS) {
++ dev_err(&pdev->dev, "eeprom has an invalid size\n");
++ return -EINVAL;
++ }
++
++ eep = ioremap(eep_res->start, resource_size(eep_res));
++ memcpy_fromio(ath5k_eeprom_data, eep, ATH5K_PLAT_EEP_MAX_WORDS);
++
++ if (of_find_property(np, "ath,eep-swap", NULL))
++ for (i = 0; i < (ATH5K_PLAT_EEP_MAX_WORDS >> 1); i++)
++ ath5k_eeprom_data[i] = swab16(ath5k_eeprom_data[i]);
++
++ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
++ memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_eeprom_data, 6);
++ } else if (mac_res) {
++ if (resource_size(mac_res) != 6) {
++ dev_err(&pdev->dev, "mac has an invalid size\n");
++ return -EINVAL;
++ }
++ mac = ioremap(mac_res->start, resource_size(mac_res));
++ memcpy_fromio(athxk_eeprom_mac, mac, 6);
++ } else {
++ dev_warn(&pdev->dev, "using random mac\n");
++ random_ether_addr(athxk_eeprom_mac);
++ }
++
++ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
++ athxk_eeprom_mac[5] += mac_inc;
++
++ ath5k_pdata.eeprom_data = ath5k_eeprom_data;
++ ath5k_pdata.macaddr = athxk_eeprom_mac;
++ ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
++
++ dev_info(&pdev->dev, "loaded ath5k eeprom\n");
++
++ return 0;
++}
++
++static struct of_device_id ath5k_eeprom_ids[] = {
++ { .compatible = "ath5k,eeprom" },
++ { }
++};
++
++static struct platform_driver ath5k_eeprom_driver = {
++ .driver = {
++ .name = "ath5k,eeprom",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(ath5k_eeprom_ids),
++ },
++};
++
++static int __init of_ath5k_eeprom_init(void)
++{
++ return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
++}
++device_initcall(of_ath5k_eeprom_init);
+diff --git a/arch/mips/lantiq/xway/eth_mac.c b/arch/mips/lantiq/xway/eth_mac.c
+new file mode 100644
+index 0000000..d288a0e
+--- /dev/null
++++ b/arch/mips/lantiq/xway/eth_mac.c
+@@ -0,0 +1,76 @@
++/*
++ * Copyright (C) 2012 John Crispin <blogic@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/init.h>
++#include <linux/module.h>
++#include <linux/of_platform.h>
++#include <linux/if_ether.h>
++
++static u8 eth_mac[6];
++static int eth_mac_set;
++
++const u8* ltq_get_eth_mac(void)
++{
++ return eth_mac;
++}
++
++static int __init setup_ethaddr(char *str)
++{
++ eth_mac_set = mac_pton(str, eth_mac);
++ return !eth_mac_set;
++}
++__setup("ethaddr=", setup_ethaddr);
++
++int __init of_eth_mac_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct resource *mac_res;
++ void __iomem *mac;
++ u32 mac_inc = 0;
++
++ if (eth_mac_set) {
++ dev_err(&pdev->dev, "mac was already set by bootloader\n");
++ return -EINVAL;
++ }
++ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++
++ if (!mac_res) {
++ dev_err(&pdev->dev, "failed to load mac\n");
++ return -EINVAL;
++ }
++ if (resource_size(mac_res) != 6) {
++ dev_err(&pdev->dev, "mac has an invalid size\n");
++ return -EINVAL;
++ }
++ mac = ioremap(mac_res->start, resource_size(mac_res));
++ memcpy_fromio(eth_mac, mac, 6);
++
++ if (!of_property_read_u32(np, "mac-increment", &mac_inc))
++ eth_mac[5] += mac_inc;
++
++ return 0;
++}
++
++static struct of_device_id eth_mac_ids[] = {
++ { .compatible = "lantiq,eth-mac" },
++ { /* sentinel */ }
++};
++
++static struct platform_driver eth_mac_driver = {
++ .driver = {
++ .name = "lantiq,eth-mac",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(eth_mac_ids),
++ },
++};
++
++static int __init of_eth_mac_init(void)
++{
++ return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
++}
++device_initcall(of_eth_mac_init);
+diff --git a/arch/mips/lantiq/xway/pci-ath-fixup.c b/arch/mips/lantiq/xway/pci-ath-fixup.c
+new file mode 100644
+index 0000000..c87ffb2
+--- /dev/null
++++ b/arch/mips/lantiq/xway/pci-ath-fixup.c
+@@ -0,0 +1,109 @@
++/*
++ * 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/init.h>
++#include <linux/delay.h>
++#include <lantiq_soc.h>
++
++#define LTQ_PCI_MEM_BASE 0x18000000
++
++struct ath_fixup {
++ u16 *cal_data;
++ unsigned slot;
++};
++
++static int ath_num_fixups;
++static struct ath_fixup ath_fixups[2];
++
++static void ath_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 < ath_num_fixups; i++) {
++ if (ath_fixups[i].cal_data == NULL)
++ continue;
++
++ if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
++ continue;
++
++ cal_data = ath_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(LTQ_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);
++ pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_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;
++
++ ltq_w32(swab32(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 */
++
++ pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
++ pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
++
++ 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, ath_pci_fixup);
++
++void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
++{
++ if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
++ return;
++
++ ath_fixups[ath_num_fixups].slot = slot;
++ ath_fixups[ath_num_fixups].cal_data = cal_data;
++ ath_num_fixups++;
++}
+diff --git a/arch/mips/lantiq/xway/rt_eep.c b/arch/mips/lantiq/xway/rt_eep.c
+new file mode 100644
+index 0000000..00f2d4c
+--- /dev/null
++++ b/arch/mips/lantiq/xway/rt_eep.c
+@@ -0,0 +1,60 @@
++/*
++ * Copyright (C) 2011 John Crispin <blogic@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/init.h>
++#include <linux/module.h>
++#include <linux/pci.h>
++#include <linux/platform_device.h>
++#include <linux/rt2x00_platform.h>
++
++extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
++static struct rt2x00_platform_data rt2x00_pdata;
++
++static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
++{
++ dev->dev.platform_data = &rt2x00_pdata;
++ return 0;
++}
++
++int __init of_ralink_eeprom_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ const char *eeprom;
++
++ if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
++ dev_err(&pdev->dev, "failed to load eeprom filename\n");
++ return 0;
++ }
++
++ rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
++// rt2x00_pdata.mac_address = mac;
++ ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
++
++ dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
++
++ return 0;
++}
++
++static struct of_device_id ralink_eeprom_ids[] = {
++ { .compatible = "ralink,eeprom" },
++ { }
++};
++
++static struct platform_driver ralink_eeprom_driver = {
++ .driver = {
++ .name = "ralink,eeprom",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(ralink_eeprom_ids),
++ },
++};
++
++static int __init of_ralink_eeprom_init(void)
++{
++ return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
++}
++device_initcall(of_ralink_eeprom_init);
+diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
+index 91a37f1..fa23a7e 100644
+--- a/drivers/net/ethernet/lantiq_etop.c
++++ b/drivers/net/ethernet/lantiq_etop.c
+@@ -826,7 +826,8 @@ ltq_etop_init(struct net_device *dev)
+
+ ltq_etop_change_mtu(dev, 1500);
+
+- memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
++ if (priv->mac)
++ memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
+ if (!is_valid_ether_addr(mac.sa_data)) {
+ pr_warn("etop: invalid MAC, using random\n");
+ random_ether_addr(mac.sa_data);
+@@ -885,8 +886,7 @@ static const struct net_device_ops ltq_eth_netdev_ops = {
+ .ndo_tx_timeout = ltq_etop_tx_timeout,
+ };
+
+-static int __devinit
+-ltq_etop_probe(struct platform_device *pdev)
++static int ltq_etop_probe(struct platform_device *pdev)
+ {
+ struct net_device *dev;
+ struct ltq_etop_priv *priv;
+@@ -950,7 +950,9 @@ ltq_etop_probe(struct platform_device *pdev)
+ priv->tx_irq = irqres[0].start;
+ priv->rx_irq = irqres[1].start;
+ priv->mii_mode = of_get_phy_mode(pdev->dev.of_node);
+- priv->mac = of_get_mac_address(pdev->dev.of_node);
++ priv->mac = ltq_get_eth_mac();
++ if (!priv->mac)
++ priv->mac = of_get_mac_address(pdev->dev.of_node);
+
+ priv->clk_ppe = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(priv->clk_ppe))
+--
+1.7.10.4
+
generated by cgit v1.1 at 2024-12-16 01:52:21 +0000