-From 8c19ced548538d964dcfb83bdf9ea9e8fbb7bdb1 Mon Sep 17 00:00:00 2001
+From 591a9bdde1fa9aa6f1c6132ea04771bb1dcd6180 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 13 Mar 2013 10:02:58 +0100
-Subject: [PATCH 10/34] MIPS: lantiq: wifi and ethernet eeprom handling
+Subject: [PATCH 18/22] owrt: lantiq: wifi and ethernet eeprom handling
-Signed-off-by: John Crispin <blogic@openwrt.org>
---
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 | 2 +
- arch/mips/lantiq/xway/ath_eep.c | 237 ++++++++++++++++++++
+ arch/mips/lantiq/xway/Makefile | 3 +
+ arch/mips/lantiq/xway/ath_eep.c | 248 ++++++++++++++++++++
+ 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 +++++
- 6 files changed, 417 insertions(+)
+ arch/mips/pci/pci-lantiq.c | 2 +-
+ 8 files changed, 506 insertions(+), 1 deletion(-)
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
#endif /* _LTQ_XWAY_H__ */
--- a/arch/mips/lantiq/xway/Makefile
+++ b/arch/mips/lantiq/xway/Makefile
-@@ -2,4 +2,6 @@ obj-y := prom.o sysctrl.o clk.o reset.o
-
- obj-y += vmmc.o
+@@ -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
--- /dev/null
+++ b/arch/mips/lantiq/xway/ath_eep.c
-@@ -0,0 +1,250 @@
+@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+#include <linux/mtd/mtd.h>
+#include <pci-ath-fixup.h>
+#include <lantiq_soc.h>
-+#include <linux/of_net.h>
+
+extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
+struct ath5k_platform_data ath5k_pdata;
+int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node, *mtd_np;
++ struct resource *eep_res, *mac_res = NULL;
++ void __iomem *eep, *mac;
+ int mac_offset;
+ u32 mac_inc = 0, pci_slot = 0;
+ int i;
+ const char *part;
+ phandle phandle;
+
-+ list = of_get_property(np, "ath,eep-flash", &i);
-+ if (!list || (i != (2 * sizeof(*list)))) {
-+ dev_err(&pdev->dev, "failed to find ath,eep-flash\n");
-+ return -ENODEV;
-+ }
-+
-+ phandle = be32_to_cpup(list++);
-+ if (!phandle) {
-+ dev_err(&pdev->dev, "failed to find phandle\n");
-+ return -ENODEV;
-+ }
-+
-+ mtd_np = of_find_node_by_phandle(phandle);
-+ if (!mtd_np) {
-+ dev_err(&pdev->dev, "failed to find mtd node\n");
-+ return -ENODEV;
-+ }
-+
-+ part = of_get_property(mtd_np, "label", NULL);
-+ if (!part)
-+ part = mtd_np->name;
-+
-+ the_mtd = get_mtd_device_nm(part);
-+ if (the_mtd == ERR_PTR(-ENODEV)) {
-+ dev_err(&pdev->dev, "failed to find mtd device\n");
-+ return -ENODEV;
-+ }
-+
-+ i = mtd_read(the_mtd, be32_to_cpup(list),
-+ ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
-+ (void *) ath9k_pdata.eeprom_data);
-+ put_mtd_device(the_mtd);
-+ if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
-+ dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
-+ return -ENODEV;
++ if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
++ sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
++ (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
++ of_get_property(mtd_np, "label", NULL)) || (part =
++ mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
++ != ERR_PTR(-ENODEV)) {
++ i = mtd_read(the_mtd, be32_to_cpup(list),
++ ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
++ (void *) ath9k_pdata.eeprom_data);
++ put_mtd_device(the_mtd);
++ if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
++ dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
++ return -ENODEV;
++ }
++ } else {
++ 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 << 1) {
++ 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 << 1);
+ }
+
+ if (of_find_property(np, "ath,eep-swap", NULL))
+
+ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
+ memcpy_fromio(athxk_eeprom_mac, (void*) ath9k_pdata.eeprom_data + mac_offset, 6);
-+ } else {
++ } 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 if (ltq_get_eth_mac())
++ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
++ else {
++ dev_warn(&pdev->dev, "using random mac\n");
+ random_ether_addr(athxk_eeprom_mac);
-+ if (of_get_mac_address_mtd(np, athxk_eeprom_mac))
-+ dev_warn(&pdev->dev, "using random mac\n");
+ }
+
+ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
+
+ 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);
+ }
+
+ },
+};
+
-+static int ath9k_eep_loaded;
+static int __init of_ath9k_eeprom_init(void)
+{
-+ int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
-+
-+ if (!ret)
-+ ath9k_eep_loaded = 1;
-+
-+ return ret;
-+}
-+
-+static int __init of_ath9k_eeprom_init_late(void)
-+{
-+ if (ath9k_eep_loaded)
-+ return 0;
+ return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
+}
-+late_initcall(of_ath9k_eeprom_init_late);
-+subsys_initcall(of_ath9k_eeprom_init);
++arch_initcall(of_ath9k_eeprom_init);
++
+
+static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
+{
+int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node, *mtd_np;
++ struct resource *eep_res, *mac_res = NULL;
++ void __iomem *eep, *mac;
+ int mac_offset;
+ u32 mac_inc = 0;
+ int i;
+ const char *part;
+ phandle phandle;
+
-+ list = of_get_property(np, "ath,eep-flash", &i);
-+ if (!list || (i != (2 * sizeof(*list)))) {
-+ dev_err(&pdev->dev, "failed to find ath,eep-flash\n");
-+ return -ENODEV;
-+ }
-+
-+ phandle = be32_to_cpup(list++);
-+ if (!phandle) {
-+ dev_err(&pdev->dev, "failed to find phandle\n");
-+ return -ENODEV;
-+ }
-+
-+ mtd_np = of_find_node_by_phandle(phandle);
-+ if (!mtd_np) {
-+ dev_err(&pdev->dev, "failed to find mtd node\n");
-+ return -ENODEV;
-+ }
-+
-+ part = of_get_property(mtd_np, "label", NULL);
-+ if (!part)
-+ part = mtd_np->name;
-+
-+ the_mtd = get_mtd_device_nm(part);
-+ if (the_mtd == ERR_PTR(-ENODEV)) {
-+ dev_err(&pdev->dev, "failed to find mtd device\n");
-+ return -ENODEV;
-+ }
-+
-+ i = mtd_read(the_mtd, be32_to_cpup(list),
-+ ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
-+ (void *) ath5k_pdata.eeprom_data);
-+ put_mtd_device(the_mtd);
-+ if ((sizeof(ath5k_pdata.eeprom_data) != flash_readlen) || i) {
-+ dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
-+ return -ENODEV;
++ if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
++ sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
++ (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
++ of_get_property(mtd_np, "label", NULL)) || (part =
++ mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
++ != ERR_PTR(-ENODEV)) {
++ i = mtd_read(the_mtd, be32_to_cpup(list),
++ ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
++ (void *) ath5k_pdata.eeprom_data);
++ put_mtd_device(the_mtd);
++ if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
++ || i) {
++ dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
++ return -ENODEV;
++ }
++ } else {
++ 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 << 1) {
++ dev_err(&pdev->dev, "eeprom has an invalid size\n");
++ return -EINVAL;
++ }
++
++ eep = ioremap(eep_res->start, resource_size(eep_res));
++ memcpy_fromio(ath5k_pdata.eeprom_data, eep,
++ ATH5K_PLAT_EEP_MAX_WORDS << 1);
+ }
+
+ if (of_find_property(np, "ath,eep-swap", NULL))
+ for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
-+ ath5k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
++ ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
+
+ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
+ memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6);
-+ } else {
++ } 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 if (ltq_get_eth_mac())
++ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
++ else {
++ dev_warn(&pdev->dev, "using random mac\n");
+ random_ether_addr(athxk_eeprom_mac);
-+ if (of_get_mac_address_mtd(np, athxk_eeprom_mac))
-+ dev_warn(&pdev->dev, "using random mac\n");
+ }
+
+ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
+}
+device_initcall(of_ath5k_eeprom_init);
--- /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(ð_mac_driver, of_eth_mac_probe);
++}
++device_initcall(of_eth_mac_init);
+--- /dev/null
+++ b/arch/mips/lantiq/xway/pci-ath-fixup.c
@@ -0,0 +1,109 @@
+/*
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