From d1f3751d057374a715f1702ad4edfe7aa4065b12 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 30 May 2013 16:00:32 +0000 Subject: [PATCH] lantiq: wifi calibration from MTD This patch enables retrieving the wifi calibration data from an MTD partition. It requires the previous patch. Signed-off-by: Daniel Gimpelevich SVN-Revision: 36779 --- ...iq-wifi-and-ethernet-eeprom-handling.patch | 120 +++++++++++++----- 1 file changed, 86 insertions(+), 34 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 index 4aac2bc18c8..6d19fdb6f82 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 @@ -50,7 +50,7 @@ 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 +1,206 @@ +@@ -0,0 +1,258 @@ +/* + * Copyright (C) 2011 Luca Olivetti + * Copyright (C) 2011 John Crispin @@ -69,7 +69,10 @@ Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet eeprom handling +#include +#include +#include ++#include ++#include +#include ++#include + +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev); +struct ath5k_platform_data ath5k_pdata; @@ -87,33 +90,57 @@ 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; + u16 *eepdata, sum, el; ++ 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), ++ sizeof(ath9k_pdata.eeprom_data), &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) { ++ 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) { -+ 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); + } + -+ 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"); ++ for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++) ++ ath9k_pdata.eeprom_data[i] = ++ swab16(ath9k_pdata.eeprom_data[i]); + } + + if (of_find_property(np, "ath,eep-csum", NULL)) { @@ -137,7 +164,9 @@ 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); + } @@ -187,31 +216,52 @@ 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), ++ sizeof(ath5k_eeprom_data), &flash_readlen, ++ (void *) ath5k_eeprom_data); ++ put_mtd_device(the_mtd); ++ if ((sizeof(ath5k_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) != ATH5K_PLAT_EEP_MAX_WORDS) { ++ 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) { -+ 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); + } + -+ 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]); ++ for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; 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); @@ -222,7 +272,9 @@ 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); + } -- 2.30.2