target/linux/ixp4xx/patches-2.6.23/031-ixp4xx-net-drivers-nslu2.patch

   1 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/nslu2-setup.c
   2 ===================================================================
   3 --- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/nslu2-setup.c
   4 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/nslu2-setup.c
   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 @@ -140,6 +141,23 @@ static struct platform_device nslu2_uart
  14         .resource               = nslu2_uart_resources,
  15  };
  16
  17 +/* Built-in 10/100 Ethernet MAC interfaces */
  18 +static struct eth_plat_info nslu2_plat_eth[] = {
  19 +       {
  20 +               .phy            = 1,
  21 +               .rxq            = 3,
  22 +               .txreadyq       = 20,
  23 +       }
  24 +};
  25 +
  26 +static struct platform_device nslu2_eth[] = {
  27 +       {
  28 +               .name                   = "ixp4xx_eth",
  29 +               .id                     = IXP4XX_ETH_NPEB,
  30 +               .dev.platform_data      = nslu2_plat_eth,
  31 +       }
  32 +};
  33 +
  34  static struct platform_device *nslu2_devices[] __initdata = {
  35         &nslu2_i2c_gpio,
  36         &nslu2_flash,
  37 @@ -147,6 +165,7 @@ static struct platform_device *nslu2_dev
  38  #ifdef CONFIG_LEDS_IXP4XX
  39         &nslu2_leds,
  40  #endif
  41 +       &nslu2_eth[0],
  42  };
  43
  44  static void nslu2_power_off(void)
  45 @@ -175,6 +194,9 @@ static struct sys_timer nslu2_timer = {
  46
  47  static void __init nslu2_init(void)
  48  {
  49 +       uint8_t __iomem *f;
  50 +       int i;
  51 +
  52         ixp4xx_sys_init();
  53
  54         nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  55 @@ -191,6 +213,33 @@ static void __init nslu2_init(void)
  56         (void)platform_device_register(&nslu2_uart);
  57
  58         platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
  59 +
  60 +
  61 +       /*
  62 +        * Map in a portion of the flash and read the MAC address.
  63 +        * Since it is stored in BE in the flash itself, we need to
  64 +        * byteswap it if we're in LE mode.
  65 +        */
  66 +       if ((f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x40000))) {
  67 +#ifdef __ARMEB__
  68 +               for (i = 0; i < 6; i++) {
  69 +                       nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + i);
  70 +               }
  71 +#else
  72 +               nslu2_plat_eth[0].hwaddr[0] = readb(f + 0x3FFB0 + 3);
  73 +               nslu2_plat_eth[0].hwaddr[1] = readb(f + 0x3FFB0 + 2);
  74 +               nslu2_plat_eth[0].hwaddr[2] = readb(f + 0x3FFB0 + 1);
  75 +               nslu2_plat_eth[0].hwaddr[3] = readb(f + 0x3FFB0 + 0);
  76 +               nslu2_plat_eth[0].hwaddr[4] = readb(f + 0x3FFB0 + 7);
  77 +               nslu2_plat_eth[0].hwaddr[5] = readb(f + 0x3FFB0 + 6);
  78 +#endif
  79 +               iounmap(f);
  80 +       }
  81 +       printk(KERN_INFO "NSLU2: Using MAC address %.2x:%.2x:%.2x:%.2x:%.2x:%.2x for port 0\n",
  82 +              nslu2_plat_eth[0].hwaddr[0], nslu2_plat_eth[0].hwaddr[1],
  83 +              nslu2_plat_eth[0].hwaddr[2], nslu2_plat_eth[0].hwaddr[3],
  84 +              nslu2_plat_eth[0].hwaddr[4], nslu2_plat_eth[0].hwaddr[5]);
  85 +
  86  }
  87
  88  MACHINE_START(NSLU2, "Linksys NSLU2")