add ar9 target

SVN-Revision: 21200

7 files changed, 117 insertions, 463 deletions

diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Kconfig b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Kconfig
index f4a6a8a595..0b192aafab 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Kconfig
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Kconfig
@@ -4,26 +4,12 @@ config IFXMIPS_ARCAYDIAN_BRNBOOT
 	bool
 	default n
 
-menu "infineon SoC machine selection"
+menu "Lantiq SoC machine selection"
 
-config DANUBE_MACH_EASY50712
-	bool "Easy50712"
+config DANUBE_MACH_EASY80712
+	bool "Easy50812"
 	default y
 
-config DANUBE_MACH_EASY4010
-	bool "Easy4010"
-	default y
-
-config DANUBE_MACH_ARV4519
-	bool "ARV4519"
-	default y
-	select DANUBE_ARCAYDIAN_BRNBOOT
-
-config DANUBE_MACH_ARV452
-	bool "ARV452"
-	default y
-	select IFXMIPS_ARCAYDIAN_BRNBOOT
-
 endmenu
 
 endif
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Makefile b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Makefile
index 328f082af4..df0f38ddaa 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Makefile
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/Makefile
@@ -1,3 +1,2 @@
 obj-y := dma-core.o irq.o ebu.o setup.o devices.o cgu.o
-obj-$(CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT) += arcaydian.o
-obj-$(CONFIG_DANUBE_MACH_ARV452) += mach-arv452.o
+obj-$(CONFIG_DANUBE_MACH_EASY50812) += mach-easy50812.o
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/board.c b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/board.c
index e4a418b728..e06284ed1c 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/board.c
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/board.c
@@ -37,421 +37,3 @@
 
 #include <ifxmips.h>
 #include <ifxmips_irq.h>
-
-#define MAX_BOARD_NAME_LEN		32
-#define MAX_IFXMIPS_DEVS		9
-
-#define SYSTEM_DANUBE			"Danube"
-#define SYSTEM_DANUBE_CHIPID1	0x00129083
-#define SYSTEM_DANUBE_CHIPID2	0x0012B083
-
-#define SYSTEM_TWINPASS			"Twinpass"
-#define SYSTEM_TWINPASS_CHIPID	0x0012D083
-
-enum {
-	EASY50712,
-	EASY4010,
-	ARV4519,
-	ARV452,
-};
-
-extern int ifxmips_pci_external_clock;
-extern int ifxmips_pci_req_mask;
-
-static unsigned int chiprev;
-static int cmdline_mac;
-char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
-
-struct ifxmips_board {
-	int type;
-	char name[32];
-	unsigned int system_type;
-	struct platform_device **devs;
-	struct resource reset_resource;
-	struct resource gpiodev_resource;
-	struct gpio_led *ifxmips_leds;
-	struct gpio_led *gpio_leds;
-	int pci_external_clock;
-	int pci_req_mask;
-	int num_devs;
-};
-
-DEFINE_SPINLOCK(ebu_lock);
-EXPORT_SYMBOL_GPL(ebu_lock);
-
-extern unsigned char ifxmips_ethaddr[6];
-static int ifxmips_brn;
-
-static struct gpio_led_platform_data ifxmips_led_data;
-
-static struct platform_device ifxmips_led = {
-	.id = 0,
-	.name = "ifxmips_led",
-	.dev = {
-		.platform_data = (void *) &ifxmips_led_data,
-	}
-};
-
-static struct platform_device ifxmips_gpio = {
-	.id = 0,
-	.name = "ifxmips_gpio",
-	.num_resources = 1,
-};
-
-static struct platform_device ifxmips_mii = {
-	.id = 0,
-	.name = "ifxmips_mii0",
-	.dev = {
-		.platform_data = ifxmips_ethaddr,
-	}
-};
-
-static struct platform_device ifxmips_wdt = {
-	.id = 0,
-	.name = "ifxmips_wdt",
-};
-
-static struct platform_device ifxmips_ebu = {
-	.id = 0,
-	.name = "ifxmips_ebu",
-};
-
-static struct resource ifxmips_mtd_resource = {
-	.start  = IFXMIPS_FLASH_START,
-	.end    = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
-	.flags  = IORESOURCE_MEM,
-};
-
-static struct platform_device ifxmips_mtd = {
-	.id = 0,
-	.name = "ifxmips_mtd",
-	.num_resources  = 1,
-	.resource   = &ifxmips_mtd_resource,
-};
-
-static struct platform_device ifxmips_gpio_dev = {
-	.name     = "GPIODEV",
-	.id     = -1,
-	.num_resources    =	1,
-};
-
-#ifdef CONFIG_LEDS_GPIO
-static struct gpio_led arv4519_gpio_leds[] = {
-	{ .name = "ifx:green:power", .gpio = 3, .active_low = 1, },
-	{ .name = "ifx:red:power", .gpio = 7, .active_low = 1, },
-	{ .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, },
-	{ .name = "ifx:green:internet", .gpio = 5, .active_low = 1, },
-	{ .name = "ifx:red:internet", .gpio = 8, .active_low = 1, },
-	{ .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, },
-	{ .name = "ifx:green:usbpwr", .gpio = 14, .active_low = 1, },
-	{ .name = "ifx:green:usb", .gpio = 19, .active_low = 1, },
-};
-
-static struct gpio_led arv452_gpio_leds[] = {
-	{ .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
-	{ .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
-	{ .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
-	{ .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
-	{ .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
-	{ .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
-	{ .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
-	{ .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
-	{ .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
-	{ .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
-	{ .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
-	{ .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
-	{ .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
-	{ .name = "ifx:red:internet", .gpio = 41, .active_low = 1, },
-};
-
-static struct gpio_led_platform_data ifxmips_gpio_led_data;
-
-static struct platform_device ifxmips_gpio_leds = {
-	.name = "leds-gpio",
-	.id = -1,
-	.dev = {
-		.platform_data = (void *) &ifxmips_gpio_led_data,
-	}
-};
-#endif
-
-static struct resource dwc_usb_res[] = {
-	{
-		.name = "dwc3884_membase",
-		.flags = IORESOURCE_MEM,
-		.start = 0x1E101000,
-		.end = 0x1E101FFF
-	},
-	{
-		.name = "dwc3884_irq",
-		.flags = IORESOURCE_IRQ,
-		.start = IFXMIPS_USB_INT,
-	}
-};
-
-static struct platform_device dwc_usb =
-{
-	.id = 0,
-	.name = "dwc3884-hcd",
-	.resource = dwc_usb_res,
-	.num_resources = ARRAY_SIZE(dwc_usb_res),
-};
-
-struct platform_device *easy50712_devs[] = {
-	&ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
-	&ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
-};
-
-struct platform_device *easy4010_devs[] = {
-	&ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
-	&ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb
-};
-
-struct platform_device *arv5419_devs[] = {
-	&ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
-	&ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
-#ifdef CONFIG_LEDS_GPIO
-	&ifxmips_gpio_leds,
-#endif
-};
-
-struct platform_device *arv452_devs[] = {
-	&ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
-	&ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
-	&ifxmips_ebu,
-#ifdef CONFIG_LEDS_GPIO
-	&ifxmips_gpio_leds,
-#endif
-};
-
-static struct gpio_led easy50712_leds[] = {
-	{ .name = "ifx:green:test0", .gpio = 0,},
-	{ .name = "ifx:green:test1", .gpio = 1,},
-	{ .name = "ifx:green:test2", .gpio = 2,},
-	{ .name = "ifx:green:test3", .gpio = 3,},
-};
-
-static struct gpio_led easy4010_leds[] = {
-	{ .name = "ifx:green:test0", .gpio = 0,},
-	{ .name = "ifx:green:test1", .gpio = 1,},
-	{ .name = "ifx:green:test2", .gpio = 2,},
-	{ .name = "ifx:green:test3", .gpio = 3,},
-};
-
-static struct ifxmips_board boards[] = {
-	{
-		/* infineon eval kit */
-		.type = EASY50712,
-		.name = "EASY50712",
-		.system_type = SYSTEM_DANUBE_CHIPID1,
-		.devs = easy50712_devs,
-		.reset_resource = {.name = "reset", .start = 1, .end = 15,},
-		.gpiodev_resource = { .name = "gpio",
-			.start = (1 << 0) | (1 << 1),
-			.end = (1 << 0) | (1 << 1)},
-		.ifxmips_leds = easy50712_leds,
-	}, {
-		/* infineon eval kit */
-		.type = EASY4010,
-		.name = "EASY4010",
-		.system_type = SYSTEM_TWINPASS_CHIPID,
-		.devs = easy4010_devs,
-		.reset_resource = {.name = "reset", .start = 1, .end = 15},
-		.gpiodev_resource = { .name = "gpio",
-			.start = (1 << 0) | (1 << 1),
-			.end = (1 << 0) | (1 << 1)},
-		.ifxmips_leds = easy4010_leds,
-	}, {
-		/* arcaydian annex-a board used by thompson, airties, ... */
-		.type = ARV4519,
-		.name = "ARV4519",
-		.system_type = SYSTEM_DANUBE_CHIPID2,
-		.devs = arv5419_devs,
-		.reset_resource = {.name = "reset", .start = 1, .end = 14},
-		.pci_external_clock = 1,
-#ifdef CONFIG_LEDS_GPIO
-		.gpio_leds = arv4519_gpio_leds,
-#endif
-	}, {
-		/* arcaydian annex-b board used by airties, arcor */
-		.type = ARV452,
-		.name = "ARV452",
-		.system_type = SYSTEM_DANUBE_CHIPID2,
-		.devs = arv452_devs,
-		.reset_resource = {.name = "reset", .start = 1, .end = 14},
-		.pci_external_clock = 1,
-#ifdef CONFIG_LEDS_GPIO
-		.gpio_leds = arv452_gpio_leds,
-#endif
-	},
-};
-
-const char *get_system_type(void)
-{
-	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
-
-	switch (chiprev) {
-	case SYSTEM_DANUBE_CHIPID1:
-	case SYSTEM_DANUBE_CHIPID2:
-		return SYSTEM_DANUBE;
-
-	case SYSTEM_TWINPASS_CHIPID:
-		return SYSTEM_TWINPASS;
-	}
-
-	return BOARD_SYSTEM_TYPE;
-}
-
-static int __init ifxmips_set_board_type(char *str)
-{
-	str = strchr(str, '=');
-	if (!str)
-		goto out;
-	str++;
-	if (strlen(str) > MAX_BOARD_NAME_LEN)
-		goto out;
-	strncpy(board_name, str, MAX_BOARD_NAME_LEN);
-	printk(KERN_INFO "bootloader told us, that this is a %s board\n",
-		board_name);
-out:
-	return 1;
-}
-__setup("ifxmips_board", ifxmips_set_board_type);
-
-static int __init ifxmips_set_ethaddr(char *str)
-{
-#define IS_HEX(x) \
-	(((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \
-		|| (x >= 'A' && x <= 'F')) ? (1) : (0))
-	int i;
-	str = strchr(str, '=');
-	if (!str)
-		goto out;
-	str++;
-	if (strlen(str) != 17)
-		goto out;
-	for (i = 0; i < 6; i++) {
-		if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
-			goto out;
-		if ((i != 5) && (str[(3 * i) + 2] != ':'))
-			goto out;
-		ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16);
-	}
-	if (is_valid_ether_addr(ifxmips_ethaddr))
-		cmdline_mac = 1;
-out:
-	return 1;
-}
-__setup("ethaddr", ifxmips_set_ethaddr);
-
-int ifxmips_find_brn_block(void)
-{
-	unsigned char temp[8];
-	memcpy_fromio(temp,
-		(void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8);
-	if (memcmp(temp, "BRN-BOOT", 8) == 0) {
-		if (!cmdline_mac)
-			memcpy_fromio(ifxmips_ethaddr,
-				(void *)KSEG1ADDR(IFXMIPS_FLASH_START +
-					0x800000 - 0x10000 + 0x16), 6);
-		if (is_valid_ether_addr(ifxmips_ethaddr))
-			cmdline_mac = 1;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-int ifxmips_has_brn_block(void)
-{
-	return ifxmips_brn;
-}
-EXPORT_SYMBOL(ifxmips_has_brn_block);
-
-struct ifxmips_board *ifxmips_find_board(void)
-{
-	int i;
-	if (!*board_name)
-		return 0;
-	for (i = 0; i < ARRAY_SIZE(boards); i++)
-		if ((boards[i].system_type == chiprev) &&
-		    (!strcmp(boards[i].name, board_name)))
-			return &boards[i];
-	return 0;
-}
-
-int __init ifxmips_init_devices(void)
-{
-	struct ifxmips_board *board;
-
-	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
-	board = ifxmips_find_board();
-	ifxmips_brn = ifxmips_find_brn_block();
-
-	if (!cmdline_mac)
-		random_ether_addr(ifxmips_ethaddr);
-
-	if (!board) {
-		switch (chiprev) {
-		case SYSTEM_DANUBE_CHIPID1:
-		case SYSTEM_DANUBE_CHIPID2:
-		default:
-			board = &boards[0];
-			break;
-		case SYSTEM_TWINPASS_CHIPID:
-			board = &boards[1];
-			break;
-		}
-	}
-
-	switch (board->type) {
-	case EASY50712:
-		board->num_devs = ARRAY_SIZE(easy50712_devs);
-		ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds);
-		break;
-	case EASY4010:
-		board->num_devs = ARRAY_SIZE(easy4010_devs);
-		ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds);
-		break;
-	case ARV4519:
-		/* set some sane defaults for the gpios */
-		gpio_set_value(3, 0);
-		gpio_set_value(4, 0);
-		gpio_set_value(5, 0);
-		gpio_set_value(6, 0);
-		gpio_set_value(7, 1);
-		gpio_set_value(8, 1);
-		gpio_set_value(19, 0);
-		board->num_devs = ARRAY_SIZE(arv5419_devs);
-#ifdef CONFIG_LEDS_GPIO
-		ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds);
-#endif
-		break;
-	case ARV452:
-		/* set some sane defaults for the gpios */
-		board->num_devs = ARRAY_SIZE(arv452_devs);
-		ifxmips_w32(0x8001e7ff, IFXMIPS_EBU_BUSCON1);
-#ifdef CONFIG_LEDS_GPIO
-		ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv452_gpio_leds);
-#endif
-		break;
-	}
-#ifdef CONFIG_LEDS_GPIO
-	ifxmips_gpio_led_data.leds = board->gpio_leds;
-#endif
-	ifxmips_led_data.leds = board->ifxmips_leds;
-
-	printk(KERN_INFO "%s: adding %d devs\n",
-		__func__, board->num_devs);
-
-	ifxmips_gpio.resource = &board->reset_resource;
-	ifxmips_gpio_dev.resource = &board->gpiodev_resource;
-	if (board->pci_external_clock)
-		ifxmips_pci_external_clock = 1;
-	if (board->pci_req_mask)
-		ifxmips_pci_req_mask = board->pci_req_mask;
-	printk(KERN_INFO "using board definition %s\n", board->name);
-	return platform_add_devices(board->devs, board->num_devs);
-}
-
-arch_initcall(ifxmips_init_devices);
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/devices.h b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/devices.h
index 75201a2ece..0d1618a67a 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/devices.h
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/devices.h
@@ -8,9 +8,9 @@ enum {
 	PCI_CLOCK_EXT
 };
 
-void __init danube_register_usb(void);
-void __init danube_register_ebu_gpio(struct resource *resource, u32 value);
-void __init danube_register_ethernet(unsigned char *mac);
-void __init danube_register_pci(int clock, int irq_mask);
+void __init ar9_register_usb(void);
+void __init ar9_register_ebu_gpio(struct resource *resource, u32 value);
+void __init ar9_register_ethernet(unsigned char *mac);
+void __init ar9_register_pci(int clock, int irq_mask);
 
 #endif
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-arv452.c b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-arv452.c
index 1b76c73d7b..1a53b82ce6 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-arv452.c
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-arv452.c
@@ -149,19 +149,19 @@ arv452_init(void)
 
 	ifxmips_register_gpio();
 
-	danube_register_ebu_gpio(&arv452_ebu_resource, ARV452_LATCH_SWITCH);
+	ar9_register_ebu_gpio(&arv452_ebu_resource, ARV452_LATCH_SWITCH);
 
 	ifxmips_register_mtd(&arv452_flash_data);
 
-	danube_register_pci(PCI_CLOCK_EXT, 0);
+	ar9_register_pci(PCI_CLOCK_EXT, 0);
 
 	ifxmips_register_wdt();
 
 	ifxmips_register_gpio_leds(arv452_leds_gpio, ARRAY_SIZE(arv452_leds_gpio));
 
-	danube_register_ethernet(mac);
+	ar9_register_ethernet(mac);
 
-	danube_register_usb();
+	ar9_register_usb();
 }
 
 MIPS_MACHINE(IFXMIPS_MACH_ARV452,
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-easy50812.c b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-easy50812.c
new file mode 100644
index 0000000000..0baaba37c2
--- /dev/null
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/mach-easy50812.c
@@ -0,0 +1,80 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_buttons.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <machine.h>
+#include <ifxmips_prom.h>
+
+#include "devices.h"
+
+extern unsigned char ifxmips_ethaddr[6];
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition easy50812_partitions[] =
+{
+	{
+		.name	= "uboot",
+		.offset	= 0x0,
+		.size	= 0x40000,
+	},
+	{
+		.name	= "uboot_env",
+		.offset	= 0x40000,
+		.size	= 0x10000,
+	},
+	{
+		.name	= "kernel",
+		.offset	= 0x0,
+		.size	= 0x0,
+	},
+	{
+		.name	= "rootfs",
+		.offset	= 0x0,
+		.size	= 0x0,
+	}
+};
+#endif
+
+static struct physmap_flash_data easy50812_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+	.nr_parts	= ARRAY_SIZE(easy50812_partitions),
+	.parts		= easy50812_partitions,
+#endif
+};
+
+static struct gpio_led easy50812_leds[] = {
+	{ .name = "ifx:green:test0", .gpio = 0,},
+	{ .name = "ifx:green:test1", .gpio = 1,},
+	{ .name = "ifx:green:test2", .gpio = 2,},
+	{ .name = "ifx:green:test3", .gpio = 3,},
+};
+
+static void __init
+easy50812_init(void)
+{
+	ifxmips_register_gpio();
+
+	//printk("ifxmips_register_gpio_dev\n");
+	//ifxmips_register_gpio_dev();
+
+	ifxmips_register_mtd(&easy50812_flash_data);
+
+	ifxmips_register_leds(easy50812_leds, ARRAY_SIZE(easy50812_leds));
+
+	ifxmips_register_wdt();
+
+	ar9_register_ethernet(ifxmips_ethaddr);
+
+	ar9_register_usb();
+}
+
+MIPS_MACHINE(IFXMIPS_MACH_EASY50812,
+			"EASY50812",
+			"Lantiq AR9  Eval Board",
+			easy50812_init);
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
index 35e6fd9645..5db8bb7e83 100644
--- a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
@@ -9,12 +9,9 @@
 #include <ifxmips.h>
 #include <ifxmips_cgu.h>
 
-#define SYSTEM_DANUBE			"Danube"
-#define SYSTEM_DANUBE_CHIPID1	0x00129083
-#define SYSTEM_DANUBE_CHIPID2	0x0012B083
-
-#define SYSTEM_TWINPASS			"Twinpass"
-#define SYSTEM_TWINPASS_CHIPID	0x0012D083
+#define SYSTEM_AR9			"AR9"
+#define SYSTEM_AR9_CHIPID1		0x00129083
+#define SYSTEM_AR9_CHIPID2		0x0012B083
 
 static unsigned int chiprev = 0;
 unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN];
@@ -58,10 +55,15 @@ ifxmips_machine_power_off(void)
 	for(;;);
 }
 
+static inline u16 get_chip_partnum(void)
+{
+	return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFF000) >> 12;
+}
+
 void __init
 ifxmips_soc_setup(void)
 {
-	char *name = SYSTEM_DANUBE;
+	char *name = SYSTEM_AR9;
 	ioport_resource.start = IOPORT_RESOURCE_START;
 	ioport_resource.end = IOPORT_RESOURCE_END;
 	iomem_resource.start = IOMEM_RESOURCE_START;
@@ -71,24 +73,29 @@ ifxmips_soc_setup(void)
 	_machine_halt = ifxmips_machine_halt;
 	pm_power_off = ifxmips_machine_power_off;
 
-	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
-
-	switch (chiprev)
+	switch (get_chip_partnum())
 	{
-	case SYSTEM_DANUBE_CHIPID1:
-	case SYSTEM_DANUBE_CHIPID2:
-		name = SYSTEM_DANUBE;
+	case 0x16C,
+		name = = "ARX188",
 		break;
-
-	case SYSTEM_TWINPASS_CHIPID:
-		name = SYSTEM_TWINPASS;
+	case 0x16D,
+		name = = "ARX168",
+		break;
+	case 0x16F,
+		name = = "ARX182",
+		break;
+	case 0x170,
+		name = = "GRX188",
+		break;
+	case 0x171,
+		name = = "GRX168",
 		break;
-
 	default:
-		printk(KERN_ERR "This is not a danube chiprev : 0x%08X\n", chiprev);
+		printk(KERN_ERR "This is not a AR9 chiprev : 0x%08X\n", get_chip_partnum());
 		BUG();
 		break;
 	}
+
 	snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz",
 		name, ifxmips_get_cpu_ver(),
 		ifxmips_get_cpu_hz() / 1000000);