openwrt-xburst/target/linux/ixp4xx/patches-2.6.31/300-avila_fetch_mac.patch

--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,10 +14,16 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/socket.h>
+#include <linux/netdevice.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+
 #include <linux/i2c-gpio.h>
 
 #include <asm/types.h>
@@ -29,6 +35,13 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 
+struct avila_board_info {
+	unsigned char	*model;
+	void		(*setup)(void);
+};
+
+static struct avila_board_info *avila_info __initdata;
+
 static struct flash_platform_data avila_flash_data = {
 	.map_name	= "cfi_probe",
 	.width		= 2,
@@ -132,16 +145,181 @@ static struct platform_device avila_pata
 	.resource		= avila_pata_resources,
 };
 
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info avila_npeb_data = {
+	.phy		= 0,
+	.rxq		= 3,
+	.txreadyq	= 20,
+};
+
+static struct eth_plat_info avila_npec_data = {
+	.phy		= 1,
+	.rxq		= 4,
+	.txreadyq	= 21,
+};
+
+static struct platform_device avila_npeb_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEB,
+	.dev.platform_data	= &avila_npeb_data,
+};
+
+static struct platform_device avila_npec_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEC,
+	.dev.platform_data	= &avila_npec_data,
+};
+
 static struct platform_device *avila_devices[] __initdata = {
 	&avila_i2c_gpio,
 	&avila_flash,
 	&avila_uart
 };
 
+static void __init avila_gw23xx_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2342_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2345_setup(void)
+{
+	avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+	avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+	platform_device_register(&avila_npeb_device);
+
+	avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2347_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static void __init avila_gw2348_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2353_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static void __init avila_gw2355_setup(void)
+{
+	avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+	avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+	platform_device_register(&avila_npeb_device);
+
+	avila_npec_data.phy = 16;
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2357_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static struct avila_board_info avila_boards[] __initdata = {
+	{
+		.model		= "GW2342",
+		.setup		= avila_gw2342_setup,
+	}, {
+		.model		= "GW2345",
+		.setup		= avila_gw2345_setup,
+	}, {
+		.model		= "GW2347",
+		.setup		= avila_gw2347_setup,
+	}, {
+		.model		= "GW2348",
+		.setup		= avila_gw2348_setup,
+	}, {
+		.model		= "GW2353",
+		.setup		= avila_gw2353_setup,
+	}, {
+		.model		= "GW2355",
+		.setup		= avila_gw2355_setup,
+	}, {
+		.model		= "GW2357",
+		.setup		= avila_gw2357_setup,
+	}
+};
+
+static struct avila_board_info * __init avila_find_board_info(char *model)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
+		struct avila_board_info *info = &avila_boards[i];
+		if (strcmp(info->model, model) == 0)
+			return info;
+	}
+
+	return NULL;
+}
+
+static struct memory_accessor *at24_mem_acc;
+
+static int at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+	char mac_addr[ETH_ALEN];
+	char model[6];
+
+	at24_mem_acc = mem_acc;
+
+	/* Read MAC addresses */
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
+		memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
+		memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+
+	/* Read the first 6 bytes of the model number */
+	if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
+		avila_info = avila_find_board_info(model);
+	}
+
+	return 0;
+}
+
+static struct at24_platform_data avila_eeprom_info = {
+	.byte_len	= 1024,
+	.page_size	= 16,
+	.flags		= AT24_FLAG_READONLY,
+	.setup		= at24_setup,
+};
+
+static struct i2c_board_info __initdata avila_i2c_board_info[] = {
+	{
+		I2C_BOARD_INFO("ds1672", 0x68),
+	},
+	{
+		I2C_BOARD_INFO("ad7418", 0x28),
+	},
+	{
+		I2C_BOARD_INFO("24c08", 0x51),
+		.platform_data	= &avila_eeprom_info
+	},
+};
+
 static void __init avila_init(void)
 {
 	ixp4xx_sys_init();
 
+	/*
+	 * These devices are present on all Avila models and don't need any
+	 * model specific setup.
+	 */
 	avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 	avila_flash_resource.end =
 		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
@@ -159,7 +337,28 @@ static void __init avila_init(void)
 
 	platform_device_register(&avila_pata);
 
+		i2c_register_board_info(0, avila_i2c_board_info,
+				ARRAY_SIZE(avila_i2c_board_info));
+}
+
+static int __init avila_model_setup(void)
+{
+	if (!machine_is_avila())
+		return 0;
+
+	if (avila_info) {
+		printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
+							avila_info->model);
+		avila_info->setup();
+	} else {
+		printk(KERN_INFO "Unknown/missing Avila model number"
+						" -- defaults will be used\n");
+		avila_gw23xx_setup();
+	}
+
+	return 0;
 }
+late_initcall(avila_model_setup);
 
 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */