target/linux/ixp4xx/patches-2.6.23/066-nslu2_fetch_mac.patch

   1 Index: linux-2.6.23.11-armeb/arch/arm/mach-ixp4xx/nslu2-setup.c
   2 ===================================================================
   3 --- linux-2.6.23.11-armeb.orig/arch/arm/mach-ixp4xx/nslu2-setup.c       2007-12-29 01:46:05.000000000 -0600
   4 +++ linux-2.6.23.11-armeb/arch/arm/mach-ixp4xx/nslu2-setup.c    2007-12-29 12:21:29.000000000 -0600
   5 @@ -24,6 +24,7 @@
   6  #include <asm/mach/arch.h>
   7  #include <asm/mach/flash.h>
   8  #include <asm/mach/time.h>
   9 +#include <asm/io.h>
  10
  11  static struct flash_platform_data nslu2_flash_data = {
  12         .map_name               = "cfi_probe",
  13 @@ -193,6 +194,9 @@
  14
  15  static void __init nslu2_init(void)
  16  {
  17 +       uint8_t __iomem *f;
  18 +       int i;
  19 +
  20         ixp4xx_sys_init();
  21
  22         nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  23 @@ -209,6 +213,33 @@
  24         (void)platform_device_register(&nslu2_uart);
  25
  26         platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
  27 +
  28 +
  29 +       /*
  30 +        * Map in a portion of the flash and read the MAC address.
  31 +        * Since it is stored in BE in the flash itself, we need to
  32 +        * byteswap it if we're in LE mode.
  33 +        */
  34 +       if ((f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x40000))) {
  35 +#ifdef __ARMEB__
  36 +               for (i = 0; i < 6; i++) {
  37 +                       nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + i);
  38 +               }
  39 +#else
  40 +               nslu2_plat_eth[0].hwaddr[0] = readb(f + 0x3FFB0 + 3);
  41 +               nslu2_plat_eth[0].hwaddr[1] = readb(f + 0x3FFB0 + 2);
  42 +               nslu2_plat_eth[0].hwaddr[2] = readb(f + 0x3FFB0 + 1);
  43 +               nslu2_plat_eth[0].hwaddr[3] = readb(f + 0x3FFB0 + 0);
  44 +               nslu2_plat_eth[0].hwaddr[4] = readb(f + 0x3FFB0 + 7);
  45 +               nslu2_plat_eth[0].hwaddr[5] = readb(f + 0x3FFB0 + 6);
  46 +#endif
  47 +               iounmap(f);
  48 +       }
  49 +       printk(KERN_INFO "NSLU2: Using MAC address %.2x:%.2x:%.2x:%.2x:%.2x:%.2x for port 0\n",
  50 +              nslu2_plat_eth[0].hwaddr[0], nslu2_plat_eth[0].hwaddr[1],
  51 +              nslu2_plat_eth[0].hwaddr[2], nslu2_plat_eth[0].hwaddr[3],
  52 +              nslu2_plat_eth[0].hwaddr[4], nslu2_plat_eth[0].hwaddr[5]);
  53 +
  54  }
  55
  56  MACHINE_START(NSLU2, "Linksys NSLU2")