some cleanups: - fix CPUID detection - update MTD map for checks and sysupgrade - enable subtargets (Generic&NFS) for simpler development - generic cleanups (e.g. from linux checkpatch.pl)

SVN-Revision: 13295

5 files changed, 221 insertions, 196 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index 86a2595..d8f1907 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -13,7 +13,7 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
- *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org>
  */
 
 #include <linux/autoconf.h>
@@ -27,23 +27,23 @@
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/etherdevice.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
 #include <asm/bootinfo.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
 #include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
 #include <asm/ifxmips/ifxmips.h>
 
 #define MAX_BOARD_NAME_LEN		32
 #define MAX_IFXMIPS_DEVS		9
 
 #define SYSTEM_DANUBE			"Danube"
-#define SYSTEM_DANUBE_CHIPID1	0x10129083
-#define SYSTEM_DANUBE_CHIPID2	0x3012B083
+#define SYSTEM_DANUBE_CHIPID1	0x00129083
+#define SYSTEM_DANUBE_CHIPID2	0x0012B083
 
 #define SYSTEM_TWINPASS			"Twinpass"
-#define SYSTEM_TWINPASS_CHIPID	0x3012D083
+#define SYSTEM_TWINPASS_CHIPID	0x0012D083
 
 enum {
 	EASY50712,
@@ -54,7 +54,7 @@ enum {
 extern int ifxmips_pci_external_clock;
 
 static unsigned int chiprev;
-static int cmdline_mac = 0;
+static int cmdline_mac;
 char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 };
 
 struct ifxmips_board {
@@ -73,14 +73,12 @@ struct ifxmips_board {
 spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED;
 EXPORT_SYMBOL_GPL(ebu_lock);
 
-static unsigned char ifxmips_mii_mac[6];
-static int ifxmips_brn = 0;
+static unsigned char ifxmips_ethaddr[6];
+static int ifxmips_brn;
 
 static struct gpio_led_platform_data ifxmips_led_data;
 
-static struct platform_device
-ifxmips_led =
-{
+static struct platform_device ifxmips_led = {
 	.id = 0,
 	.name = "ifxmips_led",
 	.dev = {
@@ -88,49 +86,39 @@ ifxmips_led =
 	}
 };
 
-static struct platform_device
-ifxmips_gpio =
-{
+static struct platform_device ifxmips_gpio = {
 	.id = 0,
 	.name = "ifxmips_gpio",
 	.num_resources = 1,
 };
 
-static struct platform_device
-ifxmips_mii =
-{
+static struct platform_device ifxmips_mii = {
 	.id = 0,
 	.name = "ifxmips_mii0",
 	.dev = {
-		.platform_data = ifxmips_mii_mac,
+		.platform_data = ifxmips_ethaddr,
 	}
 };
 
-static struct platform_device
-ifxmips_wdt =
-{
+static struct platform_device ifxmips_wdt = {
 	.id = 0,
 	.name = "ifxmips_wdt",
 };
 
-static struct resource
-ifxmips_mtd_resource = {
+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 =
-{
+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 = {
+static struct platform_device ifxmips_gpio_dev = {
 	.name     = "GPIODEV",
 	.id     = -1,
 	.num_resources    =	1,
@@ -154,7 +142,7 @@ static struct platform_device ifxmips_gpio_leds = {
 	.id = -1,
 	.dev = {
 		.platform_data = (void *) &ifxmips_gpio_led_data,
-	 }
+	}
 };
 #endif
 
@@ -189,15 +177,15 @@ static struct gpio_led easy4010_leds[] = {
 	{ .name = "ifx:green:test3", .gpio = 3,},
 };
 
-static struct ifxmips_board boards[] =
-{
+static struct ifxmips_board boards[] = {
 	{
 		.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),
+		.gpiodev_resource = { .name = "gpio",
+			.start = (1 << 0) | (1 << 1),
 			.end = (1 << 0) | (1 << 1)},
 		.ifxmips_leds = easy50712_leds,
 	}, {
@@ -206,7 +194,8 @@ static struct ifxmips_board boards[] =
 		.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),
+		.gpiodev_resource = { .name = "gpio",
+			.start = (1 << 0) | (1 << 1),
 			.end = (1 << 0) | (1 << 1)},
 		.ifxmips_leds = easy4010_leds,
 	}, {
@@ -220,12 +209,11 @@ static struct ifxmips_board boards[] =
 	},
 };
 
-const char*
-get_system_type(void)
+const char *get_system_type(void)
 {
-	chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
-	switch(chiprev)
-	{
+	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+
+	switch (chiprev) {
 	case SYSTEM_DANUBE_CHIPID1:
 	case SYSTEM_DANUBE_CHIPID2:
 		return SYSTEM_DANUBE;
@@ -237,100 +225,99 @@ get_system_type(void)
 	return BOARD_SYSTEM_TYPE;
 }
 
-static int __init
-ifxmips_set_board_type(char *str)
+static int __init ifxmips_set_board_type(char *str)
 {
 	str = strchr(str, '=');
-	if(!str)
+	if (!str)
 		goto out;
 	str++;
-	if(strlen(str) > MAX_BOARD_NAME_LEN)
+	if (strlen(str) > MAX_BOARD_NAME_LEN)
 		goto out;
 	strncpy(board_name, str, MAX_BOARD_NAME_LEN);
-	printk("bootloader told us, that this is a %s board\n", board_name);
+	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_mii0_mac(char *str)
+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))
+	(((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \
+		|| (x >= 'A' && x <= 'F'))?(1):(0))
 	int i;
 	str = strchr(str, '=');
-	if(!str)
+	if (!str)
 		goto out;
 	str++;
-	if(strlen(str) != 17)
+	if (strlen(str) != 17)
 		goto out;
-	for(i = 0; i < 6; i++)
-	{
-		if(!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1]))
+	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] != ':'))
+		if ((i != 5) && (str[(3 * i) + 2] != ':'))
 			goto out;
-		ifxmips_mii_mac[i] = simple_strtoul(&str[3 * i], NULL, 16);
+		ifxmips_ethaddr[i] = strict_strtoul(&str[3 * i], NULL, 16);
 	}
-	if(is_valid_ether_addr(ifxmips_mii_mac))
+	if (is_valid_ether_addr(ifxmips_ethaddr))
 		cmdline_mac = 1;
 out:
 	return 1;
 }
-__setup("mii0_mac", ifxmips_set_mii0_mac);
+__setup("ethaddr", ifxmips_set_ethaddr);
 
-int
-ifxmips_find_brn_block(void){
+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_mii_mac, (void*)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000 + 0x16), 6);
-		cmdline_mac = 1;
+	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)
+int ifxmips_has_brn_block(void)
 {
 	return ifxmips_brn;
 }
 EXPORT_SYMBOL(ifxmips_has_brn_block);
 
-struct ifxmips_board*
-ifxmips_find_board(void)
+struct ifxmips_board *ifxmips_find_board(void)
 {
 	int i;
-	if(!*board_name)
+	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)))
+	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)
+int __init ifxmips_init_devices(void)
 {
 	struct ifxmips_board *board = ifxmips_find_board();
 
-	chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
+	chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
 	ifxmips_brn = ifxmips_find_brn_block();
 
-	if(!cmdline_mac)
-		random_ether_addr(ifxmips_mii_mac);
+	if (!cmdline_mac)
+		random_ether_addr(ifxmips_ethaddr);
 
-	if(!board)
-	{
-		switch(chiprev)
-		{
+	if (!board) {
+		switch (chiprev) {
 		case SYSTEM_DANUBE_CHIPID1:
 		case SYSTEM_DANUBE_CHIPID2:
+		default:
 			board = &boards[0];
 			break;
 		case SYSTEM_TWINPASS_CHIPID:
@@ -339,8 +326,7 @@ ifxmips_init_devices(void)
 		}
 	}
 
-	switch(board->type)
-	{
+	switch (board->type) {
 	case EASY50712:
 		board->num_devs = ARRAY_SIZE(easy50712_devs);
 		ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds);
@@ -368,13 +354,14 @@ ifxmips_init_devices(void)
 #endif
 	ifxmips_led_data.leds = board->ifxmips_leds;
 
-	printk("%s:%s[%d]adding %d devs\n", __FILE__, __func__, __LINE__, board->num_devs);
+	printk(KERN_INFO "%s:%s[%d]adding %d devs\n",
+		__FILE__, __func__, __LINE__, board->num_devs);
 
 	ifxmips_gpio.resource = &board->reset_resource;
 	ifxmips_gpio_dev.resource = &board->gpiodev_resource;
-	if(board->pci_external_clock)
+	if (board->pci_external_clock)
 		ifxmips_pci_external_clock = 1;
-	printk("using board definition %s\n", board->name);
+	printk(KERN_INFO "using board definition %s\n", board->name);
 	return platform_add_devices(board->devs, board->num_devs);
 }
 
diff --git a/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
index 97efa37..d492dad 100644
--- a/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
+++ b/target/linux/ifxmips/files/arch/mips/pci/pci-ifxmips.c
@@ -173,7 +173,7 @@ pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){
 	}
 }
 
-int
+int __init
 pcibios_init(void)
 {
 	extern int pci_probe_only;
diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
index b3692e7..aed241b 100644
--- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
@@ -3,7 +3,7 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -20,7 +20,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/init.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
@@ -32,126 +32,143 @@
 #include <linux/magic.h>
 #include <linux/platform_device.h>
 
-static struct map_info
-ifxmips_map = {
-	.name = "ifxmips_mtd",
+#ifndef CONFIG_MTD_PARTITIONS
+#error Please enable CONFIG_MTD_PARTITIONS
+#endif
+
+static struct map_info ifxmips_map = {
+	.name = "ifx-nor",
 	.bankwidth = 2,
 	.size = 0x400000,
 };
 
-static map_word
-ifxmips_read16(struct map_info * map, unsigned long adr)
+static map_word ifxmips_read16(struct map_info *map, unsigned long adr)
 {
 	unsigned long flags;
 	map_word temp;
 	spin_lock_irqsave(&ebu_lock, flags);
 	adr ^= 2;
-	temp.x[0] = *((__u16*)(map->virt + adr));
+	temp.x[0] = *((__u16 *)(map->virt + adr));
 	spin_unlock_irqrestore(&ebu_lock, flags);
 	return temp;
 }
 
-static void
-ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
+static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&ebu_lock, flags);
 	adr ^= 2;
-	*((__u16*)(map->virt + adr)) = d.x[0];
+	*((__u16 *)(map->virt + adr)) = d.x[0];
 	spin_unlock_irqrestore(&ebu_lock, flags);
 }
 
-void
-ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
 {
 	unsigned char *p;
 	unsigned char *to_8;
 	unsigned long flags;
 	spin_lock_irqsave(&ebu_lock, flags);
 	from = (unsigned long)(from + map->virt);
-	p = (unsigned char*) from;
-	to_8 = (unsigned char*) to;
-	while(len--)
+	p = (unsigned char *) from;
+	to_8 = (unsigned char *) to;
+	while (len--)
 		*to_8++ = *p++;
 	spin_unlock_irqrestore(&ebu_lock, flags);
 }
 
-void
-ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+void ifxmips_copy_to(struct map_info *map,
+		     unsigned long to,
+		     const void *from,
+		     ssize_t len)
 {
-	unsigned char *p =  (unsigned char*)from;
+	unsigned char *p =  (unsigned char *)from;
 	unsigned char *to_8;
 	unsigned long flags;
 	spin_lock_irqsave(&ebu_lock, flags);
 	to += (unsigned long) map->virt;
-	to_8 = (unsigned char*)to;
-	while(len--)
+	to_8 = (unsigned char *)to;
+	while (len--)
 		*p++ = *to_8++;
 	spin_unlock_irqrestore(&ebu_lock, flags);
 }
 
-static struct mtd_partition
-ifxmips_partitions[] = {
+static struct mtd_partition ifxmips_partitions[] = {
 	{
-		name:"uboot",
-		offset:0x00000000,
-		size:0x00020000,
+		.name = "uboot",
+		.offset = 0x00000000,
+		.size = 0x00020000,
 	},
 	{
-		name:"uboot_env",
-		offset:0x00020000,
-		size:0x00010000,
+		.name = "uboot_env",
+		.offset = 0x00020000,
+		.size = 0x00010000,
 	},
 	{
-		name:"kernel",
-		offset:0x00030000,
-		size:0x0,
+		.name = "kernel",
+		.offset = 0x00030000,
+		.size = 0x0,
 	},
 	{
-		name:"rootfs",
-		offset:0x0,
-		size:0x0,
+		.name = "rootfs",
+		.offset = 0x0,
+		.size = 0x0,
 	},
 	{
-		name:"board_config",
-		offset:0x0,
-		size:0x0,
+		.name = "board_config",
+		.offset = 0x0,
+		.size = 0x0,
 	},
 };
 
-int
-find_uImage_size(unsigned long start_offset){
+static struct mtd_partition ifxmips_meta_partition = {
+	.name = "linux",
+	.offset = 0x00030000,
+	.size = 0x0,
+};
+
+static const char *part_probe_types[] = { "cmdlinepart", NULL };
+
+int find_uImage_size(unsigned long start_offset)
+{
+	unsigned long magic;
 	unsigned long temp;
+	ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4);
+	if (!(ntohl(magic) == 0x27051956)) {
+		printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", ntohl(magic), start_offset);
+		return 0;
+	}
 	ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4);
 	printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40);
 	return temp + 0x40;
 }
 
-int
-find_brn_block(unsigned long start_offset){
+int find_brn_block(unsigned long start_offset)
+{
 	unsigned char temp[9];
 	ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
 	temp[8] = '\0';
 	printk(KERN_INFO "data in brn block %s\n", temp);
-	if(memcmp(temp, "BRN-BOOT", 8) == 0)
+	if (memcmp(temp, "BRN-BOOT", 8) == 0)
 		return 1;
 	else
 		return 0;
 }
 
-int
-detect_squashfs_partition(unsigned long start_offset){
+int detect_squashfs_partition(unsigned long start_offset)
+{
 	unsigned long temp;
 	ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4);
-	return (temp == SQUASHFS_MAGIC);
+	return temp == SQUASHFS_MAGIC;
 }
 
-static int
-ifxmips_mtd_probe(struct platform_device *dev)
+static int ifxmips_mtd_probe(struct platform_device *dev)
 {
 	struct mtd_info *ifxmips_mtd = NULL;
 	struct mtd_partition *parts = NULL;
 	unsigned long uimage_size;
+	int err, i;
+	int kernel_part = 2, rootfs_part = 3;
+	int num_parts = ARRAY_SIZE(ifxmips_partitions);
 
 	ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0);
 
@@ -163,51 +180,74 @@ ifxmips_mtd_probe(struct platform_device *dev)
 	ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1;
 	ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size);
 
-	if(!ifxmips_map.virt)
-	{
+	if (!ifxmips_map.virt) {
 		printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n");
 		return -EIO;
 	}
 
 	ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map);
-	if(!ifxmips_mtd)
-	{
+	if (!ifxmips_mtd) {
 		iounmap(ifxmips_map.virt);
 		printk(KERN_WARNING "ifxmips_mtd: probing failed\n");
 		return -ENXIO;
 	}
 
 	ifxmips_mtd->owner = THIS_MODULE;
-	uimage_size = find_uImage_size(ifxmips_partitions[2].offset);
 
-	if(detect_squashfs_partition(ifxmips_partitions[2].offset + uimage_size))
-	{
-		printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
+	err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0);
+	if (err > 0) {
+		printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err);
+		num_parts = err;
+		kernel_part = 0;
+		rootfs_part = 0;
+		for (i = 0; i < num_parts; i++) {
+			if (strcmp(parts[i].name, "kernel") == 0)
+				kernel_part = i;
+			if (strcmp(parts[i].name, "rootfs") == 0)
+				rootfs_part = i;
+		}
 	} else {
-		uimage_size &= ~0xffff;
-		uimage_size += 0x10000;
+		parts = &ifxmips_partitions[0];
 	}
 
-	parts = &ifxmips_partitions[0];
-	ifxmips_partitions[2].size = uimage_size;
-	ifxmips_partitions[3].offset = ifxmips_partitions[2].offset + ifxmips_partitions[2].size;
-	ifxmips_partitions[3].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - ifxmips_partitions[3].offset;
-	if(ifxmips_has_brn_block())
-	{
-		ifxmips_partitions[3].size -= ifxmips_mtd->erasesize;
-		ifxmips_partitions[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
-		ifxmips_partitions[4].size = ifxmips_mtd->erasesize;
-		add_mtd_partitions(ifxmips_mtd, parts, 5);
-	} else {
-		add_mtd_partitions(ifxmips_mtd, parts, 4);
+	/* dynamic size detection only if rootfs-part follows kernel-part */
+	if (kernel_part+1 == rootfs_part) {
+		uimage_size = find_uImage_size(parts[kernel_part].offset);
+
+		if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) {
+			printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
+		} else {
+			uimage_size &= ~0xffff;
+			uimage_size += 0x10000;
+		}
+
+		parts[kernel_part].size = uimage_size;
+		parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size;
+		parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset;
+
+		ifxmips_meta_partition.offset = parts[kernel_part].offset;
+		ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size;
 	}
 
-	printk(KERN_INFO "ifxmips_mtd: added ifxmips flash with %dMB\n", ifxmips_mtd->size >> 20);
+	if (err <= 0) {
+		if (ifxmips_has_brn_block()) {
+			parts[4].size -= ifxmips_mtd->erasesize;
+			parts[5].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
+			parts[5].size = ifxmips_mtd->erasesize;
+		} else {
+			num_parts--;
+		}
+	}
+
+	add_mtd_partitions(ifxmips_mtd, parts, num_parts);
+	add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1);
+
+	printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n",
+		ifxmips_map.name, ifxmips_mtd->size >> 20);
 	return 0;
 }
 
-static struct
-platform_driver ifxmips_mtd_driver = {
+static struct platform_driver ifxmips_mtd_driver = {
 	.probe = ifxmips_mtd_probe,
 	.driver = {
 		.name = "ifxmips_mtd",
@@ -215,17 +255,15 @@ platform_driver ifxmips_mtd_driver = {
 	},
 };
 
-int __init
-init_ifxmips_mtd(void)
+int __init init_ifxmips_mtd(void)
 {
 	int ret = platform_driver_register(&ifxmips_mtd_driver);
-	if(ret)
+	if (ret)
 		printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!");
 	return ret;
 }
 
-static void __exit
-cleanup_ifxmips_mtd(void)
+static void __exit cleanup_ifxmips_mtd(void)
 {
 	platform_driver_unregister(&ifxmips_mtd_driver);
 }
diff --git a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c b/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
index fe7f25e..fafb5a5 100644
--- a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
+++ b/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
@@ -14,7 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
- *   Copyright (C) 2008 John Crispin <blogic@openwrt.org> 
+ *   Copyright (C) 2008 John Crispin <blogic@openwrt.org>
  */
 
 #include <linux/kernel.h>
@@ -22,7 +22,7 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <linux/in.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -32,9 +32,9 @@
 #include <linux/mm.h>
 #include <linux/platform_device.h>
 #include <linux/ethtool.h>
-#include <asm/checksum.h>
 #include <linux/init.h>
-#include <asm/delay.h>
+#include <linux/delay.h>
+#include <asm/checksum.h>
 #include <asm/ifxmips/ifxmips.h>
 #include <asm/ifxmips/ifxmips_dma.h>
 #include <asm/ifxmips/ifxmips_pmu.h>
@@ -83,9 +83,9 @@ ifxmips_ifxmips_mii_open(struct net_device *dev)
 	struct dma_device_info* dma_dev = priv->dma_device;
 	int i;
 
-	for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
 	{
-		if((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
+		if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
 			(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
 	}
 	netif_start_queue(dev);
@@ -98,7 +98,7 @@ ifxmips_mii_release(struct net_device *dev){
 	struct dma_device_info* dma_dev = priv->dma_device;
 	int i;
 
-	for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
 		dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
 	netif_stop_queue(dev);
 	return 0;
@@ -114,7 +114,7 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
 
 	len = dma_device_read(dma_dev, &buf, (void**)&skb);
 
-	if(len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
+	if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
 	{
 		printk(KERN_INFO "ifxmips_mii0: packet too large %d\n",len);
 		goto ifxmips_mii_hw_receive_err_exit;
@@ -122,13 +122,13 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
 
 	/* remove CRC */
 	len -= 4;
-	if(skb == NULL)
+	if (skb == NULL)
 	{
 		printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n");
 		goto ifxmips_mii_hw_receive_err_exit;
 	}
 
-	if(len > (skb->end - skb->tail))
+	if (len > (skb->end - skb->tail))
 	{
 		printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n",
 			(len+4), skb->end, skb->tail);
@@ -145,9 +145,9 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
 	return 0;
 
 ifxmips_mii_hw_receive_err_exit:
-	if(len == 0)
+	if (len == 0)
 	{
-		if(skb)
+		if (skb)
 			dev_kfree_skb_any(skb);
 		priv->stats.rx_errors++;
 		priv->stats.rx_dropped++;
@@ -185,7 +185,7 @@ ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev)
 
 	wmb();
 
-	if(ifxmips_mii_hw_tx(data, len, dev) != len)
+	if (ifxmips_mii_hw_tx(data, len, dev) != len)
 	{
 		dev_kfree_skb_any(skb);
 		priv->stats.tx_errors++;
@@ -205,7 +205,7 @@ ifxmips_mii_tx_timeout(struct net_device *dev)
 	struct ifxmips_mii_priv* priv = (struct ifxmips_mii_priv*)dev->priv;
 
 	priv->stats.tx_errors++;
-	for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
 		priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
 	netif_wake_queue(dev);
 	return;
@@ -233,7 +233,7 @@ dma_intr_handler(struct dma_device_info* dma_dev, int status)
 		break;
 
 	case TRANSMIT_CPT_INT:
-		for(i = 0; i < dma_dev->max_tx_chan_num; i++)
+		for (i = 0; i < dma_dev->max_tx_chan_num; i++)
 			dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
 
 		netif_wake_queue(ifxmips_mii0_dev);
@@ -250,7 +250,7 @@ ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt)
 	struct sk_buff *skb = NULL;
 
 	skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
-	if(skb == NULL)
+	if (skb == NULL)
 		return NULL;
 
 	buffer = (unsigned char*)(skb->data);
@@ -266,7 +266,7 @@ ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt)
 {
 	struct sk_buff *skb = NULL;
 
-	if(opt == NULL)
+	if (opt == NULL)
 	{
 		kfree(dataptr);
 	} else {
@@ -298,7 +298,7 @@ ifxmips_mii_dev_init(struct net_device *dev)
 	memset(dev->priv, 0, sizeof(struct ifxmips_mii_priv));
 	priv = dev->priv;
 	priv->dma_device = dma_device_reserve("PPE");
-	if(!priv->dma_device){
+	if (!priv->dma_device){
 		BUG();
 		return -ENODEV;
 	}
@@ -307,14 +307,14 @@ ifxmips_mii_dev_init(struct net_device *dev)
 	priv->dma_device->intr_handler = &dma_intr_handler;
 	priv->dma_device->max_rx_chan_num = 4;
 
-	for(i = 0; i < priv->dma_device->max_rx_chan_num; i++)
+	for (i = 0; i < priv->dma_device->max_rx_chan_num; i++)
 	{
 		priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
 		priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON;
 	}
 
-	for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
-		if(i == 0)
+	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+		if (i == 0)
 			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON;
 		else
 			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF;
@@ -322,7 +322,7 @@ ifxmips_mii_dev_init(struct net_device *dev)
 	dma_device_register(priv->dma_device);
 
 	printk(KERN_INFO "ifxmips_mii0: using mac=");
-	for(i = 0; i < 6; i++)
+	for (i = 0; i < 6; i++)
 	{
 		dev->dev_addr[i] = mac_addr[i];
 		printk("%02X%c", dev->dev_addr[i], (i == 5)?('\n'):(':'));
@@ -336,9 +336,9 @@ ifxmips_mii_chip_init(int mode)
 	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
 	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE);
 
-	if(mode == REV_MII_MODE)
+	if (mode == REV_MII_MODE)
 		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
-	else if(mode == MII_MODE)
+	else if (mode == MII_MODE)
 		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
 	ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL);
 	ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG);
diff --git a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
index 0dece37..761a31b 100644
--- a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
+++ b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
@@ -32,7 +32,7 @@
 static inline int gpio_direction_input(unsigned gpio) {
 	ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
-    ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	return 0;
 }
@@ -73,17 +73,17 @@ static inline int irq_to_gpio(unsigned irq) {
 }
 
 static inline int gpio_cansleep(unsigned gpio) {
-        return 0;
+	return 0;
 }
 
 static inline int gpio_get_value_cansleep(unsigned gpio) {
-        might_sleep();
-        return gpio_get_value(gpio);
+	might_sleep();
+ 	return gpio_get_value(gpio);
 }
 
 static inline void gpio_set_value_cansleep(unsigned gpio, int value) {
-        might_sleep();
-        gpio_set_value(gpio, value);
+	might_sleep();
+	gpio_set_value(gpio, value);
 }
 
 static inline int gpio_is_valid(int number)