From ecb428abffacd3f6b19595140a8e690eae1c54b5 Mon Sep 17 00:00:00 2001
From: florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 6 Dec 2012 22:40:36 +0000
Subject: [PATCH] [adm8668] use the tulip platform driver

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34558 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../files/arch/mips/adm8668/platform.c        | 49 ++++++++++++++++++-
 1 file changed, 47 insertions(+), 2 deletions(-)

diff --git a/target/linux/adm8668/files/arch/mips/adm8668/platform.c b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
index 264eaf485..dc0fd91a3 100644
--- a/target/linux/adm8668/files/arch/mips/adm8668/platform.c
+++ b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/platform_data/tulip.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/partitions.h>
 #include <linux/pci.h>
@@ -27,6 +28,10 @@
 #include <asm/io.h>
 #include <adm8668.h>
 
+#define ADM8868_UBOOT_ENV		0x20000
+#define ADM8868_UBOOT_WAN_MAC		0x5ac
+#define ADM8868_UBOOT_LAN_MAC		0x404
+
 static void adm8668_uart_set_mctrl(struct amba_device *dev,
 					void __iomem *base,
 					unsigned int mcrtl)
@@ -66,11 +71,16 @@ static struct resource eth0_resources[] = {
 	},
 };
 
+static struct tulip_platform_data eth0_pdata = {
+	.chip_id	= ADM8668,
+};
+
 static struct platform_device adm8668_eth0_device = {
-	.name		= "adm8668_eth",
+	.name		= "tulip",
 	.id		= 0,
 	.resource	= eth0_resources,
 	.num_resources	= ARRAY_SIZE(eth0_resources),
+	.dev.platform_data = &eth0_pdata,
 };
 
 static struct resource eth1_resources[] = {
@@ -85,11 +95,16 @@ static struct resource eth1_resources[] = {
 	},
 };
 
+static struct tulip_platform_data eth1_pdata = {
+	.chip_id	= ADM8668,
+};
+
 static struct platform_device adm8668_eth1_device = {
-	.name		= "adm8668_eth",
+	.name		= "tulip",
 	.id		= 1,
 	.resource	= eth1_resources,
 	.num_resources	= ARRAY_SIZE(eth1_resources),
+	.dev.platform_data = &eth1_pdata,
 };
 
 static const char *nor_probe_types[] = { "adm8668part", NULL };
@@ -121,6 +136,33 @@ static struct platform_device *adm8668_devs[] = {
 	&adm8668_nor_device,
 };
 
+static void adm8668_fetch_mac(int unit)
+{
+	u8 *mac;
+	u32 offset;
+	struct tulip_platform_data *pdata;
+
+	switch (unit) {
+	case -1:
+	case 0:
+		offset = ADM8868_UBOOT_LAN_MAC;
+		pdata = &eth0_pdata;
+		break;
+	case 1:
+		offset = ADM8868_UBOOT_WAN_MAC;
+		pdata = &eth1_pdata;
+		break;
+	default:
+		pr_err("unsupported ethernet unit: %d\n", unit);
+		return;
+	}
+
+	mac = (u8 *)(KSEG1ADDR(ADM8668_SMEM1_BASE) + ADM8868_UBOOT_ENV + offset);
+
+	memcpy(pdata->mac, mac, sizeof(pdata->mac));
+}
+
+
 int __devinit adm8668_devs_register(void)
 {
 	int ret;
@@ -129,6 +171,9 @@ int __devinit adm8668_devs_register(void)
 	if (ret)
 		panic("failed to register AMBA UART");
 
+	adm8668_fetch_mac(0);
+	adm8668_fetch_mac(1);
+
 	return platform_add_devices(adm8668_devs, ARRAY_SIZE(adm8668_devs));
 }
 arch_initcall(adm8668_devs_register);