diff options
Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.16/92-nslu2-mac.patch')
| -rw-r--r-- | packages/linux/ixp4xx-kernel/2.6.16/92-nslu2-mac.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.16/92-nslu2-mac.patch b/packages/linux/ixp4xx-kernel/2.6.16/92-nslu2-mac.patch new file mode 100644 index 0000000000..31c5f04ebe --- /dev/null +++ b/packages/linux/ixp4xx-kernel/2.6.16/92-nslu2-mac.patch @@ -0,0 +1,88 @@ + arch/arm/mach-ixp4xx/nslu2-setup.c | 62 +++++++++++++++++++++++++++++++++++++ + 1 file changed, 62 insertions(+) + +--- linux-ixp4xx.orig/arch/arm/mach-ixp4xx/nslu2-setup.c 2006-03-27 14:42:07.000000000 +0200 ++++ linux-ixp4xx/arch/arm/mach-ixp4xx/nslu2-setup.c 2006-03-27 14:45:45.000000000 +0200 +@@ -16,6 +16,9 @@ + #include <linux/kernel.h> + #include <linux/serial.h> + #include <linux/serial_8250.h> ++#include <linux/mtd/mtd.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> + + #include <asm/mach-types.h> + #include <asm/mach/arch.h> +@@ -117,6 +120,59 @@ static void nslu2_power_off(void) + gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH); + } + ++/* ++ * When the RedBoot config partition is added the MAC address is read from ++ * it. ++ */ ++static struct sockaddr mac; ++ ++static void nslu2_flash_add(struct mtd_info *mtd) { ++ if (strcmp(mtd->name, "RedBoot config") == 0) { ++ size_t retlen; ++ int err; ++ /* the mac addr is at a known offset */ ++ err = mtd->read(mtd, 0x3FFD8, 6, &retlen, (u8 *) &mac.sa_data); ++ if (err != 0 || retlen != 6) ++ printk(KERN_ERR "nslu2: mac addr read failed\n"); ++ else ++ printk(KERN_INFO ++ "nslu2: mac %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", ++ mac.sa_data[0], mac.sa_data[1], mac.sa_data[2], ++ mac.sa_data[3], mac.sa_data[4], mac.sa_data[5]); ++ } ++} ++ ++static void nslu2_flash_remove(struct mtd_info *mtd) { ++} ++ ++static struct mtd_notifier nslu2_flash_notifier = { ++ .add = nslu2_flash_add, ++ .remove = nslu2_flash_remove, ++}; ++ ++ ++static int nslu2_netdev_event(struct notifier_block *this, ++ unsigned long event, void *ptr) ++{ ++ struct net_device *dev = ptr; ++ ++ /* identify the ixp4xx eth, port 1 */ ++ if (dev->dev_addr[1] != 0x02 || dev->dev_addr[2] != 0xB3 ++ || dev->dev_addr[5] != 0x01) ++ return NOTIFY_DONE; ++ ++ if (event == NETDEV_REGISTER && is_valid_ether_addr(mac.sa_data)) { ++ mac.sa_family = dev->type; ++ dev_set_mac_address(dev, &mac); ++ } ++ ++ return NOTIFY_DONE; ++} ++ ++static struct notifier_block nslu2_netdev_notifier = { ++ .notifier_call = nslu2_netdev_event, ++}; ++ + static void __init nslu2_init(void) + { + /* The NSLU2 has a 33MHz crystal on board - 1.01% different +@@ -124,6 +180,12 @@ static void __init nslu2_init(void) + */ + ixp4xx_set_board_tick_rate(66000000); + ++ /* The flash has an ethernet MAC embedded in it which we need, ++ * that is all this notifier does. ++ */ ++ register_mtd_user(&nslu2_flash_notifier); ++ register_netdevice_notifier(&nslu2_netdev_notifier); ++ + ixp4xx_sys_init(); + + nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |