add preliminary 2.6.31 support for IXP4xx

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17997 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 244 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.31/300-avila_fetch_mac.patch b/target/linux/ixp4xx/patches-2.6.31/300-avila_fetch_mac.patch
new file mode 100644
index 0000000000..ca8cae12ca
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.31/300-avila_fetch_mac.patch
@@ -0,0 +1,244 @@
+--- 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> */