This patch enables retrieving the wifi calibration data from an MTD partition.
Try to copy mac address from ethernet before generating a random one.
This fixes DGN3500 ath9k support.
Signed-off-by: Daniel Gimpelevich <dan...@gimpelevich.san-francisco.ca.us>
Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com>
---
diff --git a/target/linux/lantiq/patches-3.7/0302-wifi-eep.patch
b/target/linux/lantiq/patches-3.7/0302-wifi-eep.patch
index 8932dfb..e3be82d 100644
--- a/target/linux/lantiq/patches-3.7/0302-wifi-eep.patch
+++ b/target/linux/lantiq/patches-3.7/0302-wifi-eep.patch
@@ -9,12 +9,13 @@
obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
--- /dev/null
+++ b/arch/mips/lantiq/xway/ath_eep.c
-@@ -0,0 +1,195 @@
+@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2011 Luca Olivetti <l...@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blo...@openwrt.org>
+ * Copyright (C) 2011 Andrej Vlašić <andrej.vlas...@gmail.com>
+ * Copyright (C) 2013 Álvaro Fernández Rojas <nolt...@gmail.com>
++ * Copyright (C) 2013 Daniel Gimpelevich
<dan...@gimpelevich.san-francisco.ca.us>
+ *
+ * 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
@@ -28,7 +29,10 @@
+#include <linux/ath5k_platform.h>
+#include <linux/ath9k_platform.h>
+#include <linux/pci.h>
++#include <linux/err.h>
++#include <linux/mtd/mtd.h>
+#include <pci-ath-fixup.h>
++#include <lantiq_soc.h>
+
+extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
+struct ath5k_platform_data ath5k_pdata;
@@ -45,28 +49,50 @@
+
+int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *eep_res, *mac_res;
++ 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;
++ struct mtd_info *the_mtd;
++ size_t flash_readlen;
++ const __be32 *list;
++ const char *part;
++ phandle phandle;
++
++ 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);
+
-+ 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;
++ }
+
-+ 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);
+ }
+
-+ 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))
+ for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
+ ath9k_pdata.eeprom_data[i] =
swab16(ath9k_pdata.eeprom_data[i]);
@@ -86,7 +112,9 @@
+ }
+ mac = ioremap(mac_res->start, resource_size(mac_res));
+ memcpy_fromio(athxk_eeprom_mac, mac, 6);
-+ } else {
++ } 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);
+ }
@@ -136,28 +164,51 @@
+
+int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *eep_res, *mac_res;
++ 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;
++ struct mtd_info *the_mtd;
++ size_t flash_readlen;
++ const __be32 *list;
++ const char *part;
++ phandle phandle;
++
++ 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);
+
-+ 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;
++ }
+
-+ 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);
+ }
+
-+ 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(ath5k_pdata.eeprom_data[i]);
@@ -171,7 +222,9 @@
+ }
+ mac = ioremap(mac_res->start, resource_size(mac_res));
+ memcpy_fromio(athxk_eeprom_mac, mac, 6);
-+ } else {
++ } 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);
+ }
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
index 3d64c78..e98a4c0 100644
---
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
@@ -50,12 +50,13 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
--- /dev/null
+++ b/arch/mips/lantiq/xway/ath_eep.c
-@@ -0,0 +1,195 @@
+@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2011 Luca Olivetti <l...@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blo...@openwrt.org>
+ * Copyright (C) 2011 Andrej Vlašić <andrej.vlas...@gmail.com>
+ * Copyright (C) 2013 Álvaro Fernández Rojas <nolt...@gmail.com>
++ * Copyright (C) 2013 Daniel Gimpelevich
<dan...@gimpelevich.san-francisco.ca.us>
+ *
+ * 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
@@ -69,7 +70,10 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
+#include <linux/ath5k_platform.h>
+#include <linux/ath9k_platform.h>
+#include <linux/pci.h>
++#include <linux/err.h>
++#include <linux/mtd/mtd.h>
+#include <pci-ath-fixup.h>
++#include <lantiq_soc.h>
+
+extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
+struct ath5k_platform_data ath5k_pdata;
@@ -86,28 +90,50 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
+
+int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *eep_res, *mac_res;
++ 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;
++ struct mtd_info *the_mtd;
++ size_t flash_readlen;
++ const __be32 *list;
++ const char *part;
++ phandle phandle;
++
++ 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);
+
-+ 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;
++ }
+
-+ 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);
+ }
+
-+ 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))
+ for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
+ ath9k_pdata.eeprom_data[i] =
swab16(ath9k_pdata.eeprom_data[i]);
@@ -127,7 +153,9 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
+ }
+ mac = ioremap(mac_res->start, resource_size(mac_res));
+ memcpy_fromio(athxk_eeprom_mac, mac, 6);
-+ } else {
++ } 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);
+ }
@@ -177,28 +205,51 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
+
+int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
+{
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *eep_res, *mac_res;
++ 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;
++ struct mtd_info *the_mtd;
++ size_t flash_readlen;
++ const __be32 *list;
++ const char *part;
++ phandle phandle;
++
++ 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);
+
-+ 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;
++ }
+
-+ 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);
+ }
+
-+ 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(ath5k_pdata.eeprom_data[i]);
@@ -212,7 +263,9 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet
eeprom handling
+ }
+ mac = ioremap(mac_res->start, resource_size(mac_res));
+ memcpy_fromio(athxk_eeprom_mac, mac, 6);
-+ } else {
++ } 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);
+ }
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