diff options
Diffstat (limited to 'target/linux/lantiq/patches-4.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch')
| -rw-r--r-- | target/linux/lantiq/patches-4.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-4.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch b/target/linux/lantiq/patches-4.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch new file mode 100644 index 0000000000..a5ecd94c4a --- /dev/null +++ b/target/linux/lantiq/patches-4.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch @@ -0,0 +1,219 @@ +From f8c5db89e793a4bc6c1e87bd7b3a5cec16b75bc3 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 10 Sep 2014 22:42:14 +0200 +Subject: [PATCH 35/36] owrt: lantiq: wifi and ethernet eeprom handling + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 3 + + arch/mips/lantiq/xway/Makefile | 3 + + arch/mips/lantiq/xway/ath5k_eep.c | 136 +++++++++++++++++++++ + arch/mips/lantiq/xway/eth_mac.c | 25 ++++ + drivers/net/ethernet/lantiq_etop.c | 6 +- + 5 files changed, 172 insertions(+), 1 deletion(-) + create mode 100644 arch/mips/lantiq/xway/ath5k_eep.c + create mode 100644 arch/mips/lantiq/xway/eth_mac.c + +--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h ++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h +@@ -104,5 +104,8 @@ int xrx200_gphy_boot(struct device *dev, + 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__ */ +--- a/arch/mips/lantiq/xway/Makefile ++++ b/arch/mips/lantiq/xway/Makefile +@@ -8,4 +8,7 @@ endif + + obj-y += vmmc.o + ++obj-y += eth_mac.o ++obj-$(CONFIG_PCI) += ath5k_eep.o ++ + obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o +--- /dev/null ++++ b/arch/mips/lantiq/xway/ath5k_eep.c +@@ -0,0 +1,136 @@ ++/* ++ * 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> ++ * Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> ++ * Copyright (C) 2015 Vittorio Gambaletta <openwrt@vittgam.net> ++ * ++ * 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/platform_device.h> ++#include <linux/etherdevice.h> ++#include <linux/ath5k_platform.h> ++#include <linux/pci.h> ++#include <linux/err.h> ++#include <linux/mtd/mtd.h> ++#include <lantiq_soc.h> ++ ++extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev); ++struct ath5k_platform_data ath5k_pdata; ++static u8 athxk_eeprom_mac[6]; ++ ++static int ath5k_pci_plat_dev_init(struct pci_dev *dev) ++{ ++ dev->dev.platform_data = &ath5k_pdata; ++ return 0; ++} ++ ++static int ath5k_eep_load; ++int __init of_ath5k_eeprom_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node, *mtd_np = NULL; ++ 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; ++ ++ list = of_get_property(np, "ath,eep-flash", &i); ++ if (!list || (i != (2 * sizeof(*list)))) ++ return -ENODEV; ++ ++ phandle = be32_to_cpup(list++); ++ if (phandle) ++ mtd_np = of_find_node_by_phandle(phandle); ++ ++ if (!mtd_np) ++ return -ENODEV; ++ ++ part = of_get_property(mtd_np, "label", NULL); ++ if (!part) ++ part = mtd_np->name; ++ ++ the_mtd = get_mtd_device_nm(part); ++ if (IS_ERR(the_mtd)) ++ return -ENODEV; ++ ++ ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1, GFP_KERNEL); ++ ++ i = mtd_read(the_mtd, be32_to_cpup(list), ATH5K_PLAT_EEP_MAX_WORDS << 1, ++ &flash_readlen, (void *) ath5k_pdata.eeprom_data); ++ ++ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) { ++ size_t mac_readlen; ++ mtd_read(the_mtd, mac_offset, 6, &mac_readlen, ++ (void *) athxk_eeprom_mac); ++ } ++ put_mtd_device(the_mtd); ++ ++ if (((ATH5K_PLAT_EEP_MAX_WORDS<<1) != flash_readlen) || i) { ++ dev_err(&pdev->dev, "failed to load eeprom from mtd\n"); ++ return -ENODEV; ++ } ++ ++ 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]); ++ ++ if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac()) ++ ether_addr_copy(athxk_eeprom_mac, ltq_get_eth_mac()); ++ ++ if (!is_valid_ether_addr(athxk_eeprom_mac)) { ++ 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.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) ++{ ++ int ret = platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe); ++ ++ if (ret) ++ ath5k_eep_load = 1; ++ ++ return ret; ++} ++ ++static int __init of_ath5k_eeprom_init_late(void) ++{ ++ if (!ath5k_eep_load) ++ return 0; ++ ++ return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe); ++} ++late_initcall(of_ath5k_eeprom_init_late); ++subsys_initcall(of_ath5k_eeprom_init); +--- /dev/null ++++ b/arch/mips/lantiq/xway/eth_mac.c +@@ -0,0 +1,25 @@ ++/* ++ * 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/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; ++} ++early_param("ethaddr", setup_ethaddr); +--- a/drivers/net/ethernet/lantiq_etop.c ++++ b/drivers/net/ethernet/lantiq_etop.c +@@ -794,7 +794,11 @@ ltq_etop_init(struct net_device *dev) + if (err) + goto err_hw; + +- memcpy(&mac, &priv->pldata->mac, sizeof(struct sockaddr)); ++ memcpy(&mac.sa_data, ltq_get_eth_mac(), ETH_ALEN); ++ ++ if (priv->mac && !is_valid_ether_addr(mac.sa_data)) ++ memcpy(&mac.sa_data, priv->mac, ETH_ALEN); ++ + if (!is_valid_ether_addr(mac.sa_data)) { + pr_warn("etop: invalid MAC, using random\n"); + eth_random_addr(mac.sa_data); 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