target/linux/ixp4xx/patches-2.6.25/204-npe_driver_ixp43x_support.patch

   1 diff -Nur linux-2.6.24.2/arch/arm/mach-ixp4xx/ixp4xx_npe.c linux-2.6.24.2-owrt/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   2 --- linux-2.6.24.2/arch/arm/mach-ixp4xx/ixp4xx_npe.c    2008-04-22 12:24:29.000000000 +0200
   3 +++ linux-2.6.24.2-owrt/arch/arm/mach-ixp4xx/ixp4xx_npe.c       2008-04-24 13:26:56.000000000 +0200
   4 @@ -571,8 +571,8 @@
   5                 for (i = 0; i < image->size; i++)
   6                         image->data[i] = swab32(image->data[i]);
   7
   8 -       if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) {
   9 -               print_npe(KERN_INFO, npe, "IXP46x firmware ignored on "
  10 +       if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
  11 +               print_npe(KERN_INFO, npe, "IXP46x/IXP43x firmware ignored on "
  12                           "IXP42x\n");
  13                 goto err;
  14         }
  15 @@ -594,7 +594,7 @@
  16                   "revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
  17                   (image->id >> 8) & 0xFF, image->id & 0xFF);
  18
  19 -       if (!cpu_is_ixp46x()) {
  20 +       if (cpu_is_ixp42x()) {
  21                 if (!npe->id)
  22                         instr_size = NPE_A_42X_INSTR_SIZE;
  23                 else
  24 diff -Nur linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c linux-2.6.24.2-owrt/drivers/net/arm/ixp4xx_eth.c
  25 --- linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c 2008-04-22 12:24:29.000000000 +0200
  26 +++ linux-2.6.24.2-owrt/drivers/net/arm/ixp4xx_eth.c    2008-04-24 18:23:24.000000000 +0200
  27 @@ -32,6 +32,7 @@
  28  #include <linux/kernel.h>
  29  #include <linux/mii.h>
  30  #include <linux/platform_device.h>
  31 +#include <asm/arch/cpu.h>
  32  #include <asm/arch/npe.h>
  33  #include <asm/arch/qmgr.h>
  34
  35 @@ -1238,12 +1239,16 @@
  36
  37  static int __init eth_init_module(void)
  38  {
  39 -       if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
  40 -               return -ENOSYS;
  41
  42 -       /* All MII PHY accesses use NPE-B Ethernet registers */
  43         spin_lock_init(&mdio_lock);
  44 -       mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  45 +       if (!cpu_is_ixp43x())
  46 +       /* All MII PHY accesses use NPE-B Ethernet registers */
  47 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  48 +
  49 +       else
  50 +       /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
  51 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
  52 +
  53         __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
  54
  55         return platform_driver_register(&drv);
  56 diff -Nur linux-2.6.24.2/include/asm-arm/arch-ixp4xx/cpu.h linux-2.6.24.2-owrt/include/asm-arm/arch-ixp4xx/cpu.h
  57 --- linux-2.6.24.2/include/asm-arm/arch-ixp4xx/cpu.h    2008-04-22 12:24:29.000000000 +0200
  58 +++ linux-2.6.24.2-owrt/include/asm-arm/arch-ixp4xx/cpu.h       2008-04-24 18:15:29.000000000 +0200
  59 @@ -34,6 +34,8 @@
  60         val &= ~IXP4XX_FEATURE_RESERVED;
  61         if (!cpu_is_ixp46x())
  62                 val &= ~IXP4XX_FEATURE_IXP46X_ONLY;
  63 +       if (cpu_is_ixp42x())
  64 +               val &= ~IXP4XX_FEATURE_IXP43X_46X;
  65
  66         return val;
  67  }
  68 diff -Nur linux-2.6.24.2/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h linux-2.6.24.2-owrt/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  69 --- linux-2.6.24.2/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h    2008-04-22 12:24:29.000000000 +0200
  70 +++ linux-2.6.24.2-owrt/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h       2008-04-24 18:15:13.000000000 +0200
  71 @@ -628,11 +628,12 @@
  72  #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
  73  #define IXP4XX_FEATURE_RESERVED                (0xFF << 24)
  74
  75 -#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_ECC_TIMESYNC |      \
  76 +#define IXP4XX_FEATURE_IXP43X_46X (IXP4XX_FEATURE_ECC_TIMESYNC |       \
  77                                     IXP4XX_FEATURE_USB_HOST |           \
  78                                     IXP4XX_FEATURE_NPEA_ETH |           \
  79 -                                   IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |    \
  80 -                                   IXP4XX_FEATURE_RSA |                \
  81                                     IXP4XX_FEATURE_XSCALE_MAX_FREQ)
  82
  83 +#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |   \
  84 +                                   IXP4XX_FEATURE_RSA)
  85 +
  86  #endif