ixp4xx 2.6.26 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11583 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 227 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.26/300-avila_fetch_mac.patch b/target/linux/ixp4xx/patches-2.6.26/300-avila_fetch_mac.patch
new file mode 100644
index 0000000000..db25efbea6
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.26/300-avila_fetch_mac.patch
@@ -0,0 +1,227 @@
+--- a/arch/arm/mach-ixp4xx/avila-setup.c
++++ b/arch/arm/mach-ixp4xx/avila-setup.c
+@@ -14,10 +14,18 @@
+ #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>
++#ifdef CONFIG_SENSORS_EEPROM
++# include <linux/i2c.h>
++# include <linux/eeprom.h>
++#endif
++
+ #include <linux/i2c-gpio.h>
+ 
+ #include <asm/types.h>
+@@ -29,6 +37,13 @@
+ #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,
+@@ -163,10 +178,160 @@
+ 	&avila_uart
+ };
+ 
++static void __init avila_gw23xx_setup(void)
++{
++	platform_device_register(&avila_npeb_device);
++	platform_device_register(&avila_npec_device);
++}
++
++#ifdef CONFIG_SENSORS_EEPROM
++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 (strncmp(info->model, model, strlen(info->model)) == 0)
++			return info;
++	}
++
++	return NULL;
++}
++
++struct avila_eeprom_header {
++	unsigned char mac0[ETH_ALEN];
++	unsigned char mac1[ETH_ALEN];
++	unsigned char res0[4];
++	unsigned char magic[2];
++	unsigned char config[14];
++	unsigned char model[16];
++};
++
++static int __init avila_eeprom_notify(struct notifier_block *self,
++			unsigned long event, void *t)
++{
++	struct eeprom_data *ee = t;
++	struct avila_eeprom_header hdr;
++
++	if (avila_info)
++		return NOTIFY_DONE;
++
++	/* The eeprom is at address 0x51 */
++	if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
++		return NOTIFY_DONE;
++
++	ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
++							0, sizeof(hdr));
++
++	if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
++		return NOTIFY_DONE;
++
++	memcpy(&avila_npeb_data.hwaddr, hdr.mac0, ETH_ALEN);
++	memcpy(&avila_npec_data.hwaddr, hdr.mac1, ETH_ALEN);
++
++	avila_info = avila_find_board_info(hdr.model);
++
++	return NOTIFY_OK;
++}
++
++static struct notifier_block avila_eeprom_notifier __initdata = {
++       .notifier_call = avila_eeprom_notify
++};
++
++static void __init avila_register_eeprom_notifier(void)
++{
++	register_eeprom_notifier(&avila_eeprom_notifier);
++}
++
++static void __init avila_unregister_eeprom_notifier(void)
++{
++	unregister_eeprom_notifier(&avila_eeprom_notifier);
++}
++#else /* CONFIG_SENSORS_EEPROM */
++static inline void avila_register_eeprom_notifier(void) {};
++static inline void avila_unregister_eeprom_notifier(void) {};
++#endif /* CONFIG_SENSORS_EEPROM */
++
+ 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;
+@@ -184,9 +349,28 @@
+ 
+ 	platform_device_register(&avila_pata);
+ 
+-	platform_device_register(avila_npeb_device);
+-	platform_device_register(avila_npec_device);
++	avila_register_eeprom_notifier();
++}
++
++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();
++	}
++
++	avila_unregister_eeprom_notifier();
++	return 0;
+ }
++late_initcall(avila_model_setup);
+ 
+ MACHINE_START(AVILA, "Gateworks Avila Network Platform")
+ 	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */