-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
-@@ -7,3 +7,6 @@ obj-y += timer.o
- endif
-
- obj-y += vmmc.o
-+
-+obj-y += eth_mac.o
-+obj-$(CONFIG_PCI) += ath5k_eep.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
-@@ -780,7 +780,11 @@ 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);
projects / openwrt / staging / mkresin.git / blobdiff