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

   1 --- a/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   2 +++ b/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   3 @@ -575,8 +575,8 @@
   4                 for (i = 0; i < image->size; i++)
   5                         image->data[i] = swab32(image->data[i]);
   6
   7 -       if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) {
   8 -               print_npe(KERN_INFO, npe, "IXP46x firmware ignored on "
   9 +       if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
  10 +               print_npe(KERN_INFO, npe, "IXP46x/IXP43x firmware ignored on "
  11                           "IXP42x\n");
  12                 goto err;
  13         }
  14 @@ -598,7 +598,7 @@
  15                   "revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
  16                   (image->id >> 8) & 0xFF, image->id & 0xFF);
  17
  18 -       if (!cpu_is_ixp46x()) {
  19 +       if (cpu_is_ixp42x()) {
  20                 if (!npe->id)
  21                         instr_size = NPE_A_42X_INSTR_SIZE;
  22                 else
  23 --- a/drivers/net/arm/ixp4xx_eth.c
  24 +++ b/drivers/net/arm/ixp4xx_eth.c
  25 @@ -32,6 +32,7 @@
  26  #include <linux/kernel.h>
  27  #include <linux/mii.h>
  28  #include <linux/platform_device.h>
  29 +#include <asm/arch/cpu.h>
  30  #include <asm/arch/npe.h>
  31  #include <asm/arch/qmgr.h>
  32
  33 @@ -1338,12 +1339,16 @@
  34
  35  static int __init eth_init_module(void)
  36  {
  37 -       if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
  38 -               return -ENOSYS;
  39
  40 -       /* All MII PHY accesses use NPE-B Ethernet registers */
  41         spin_lock_init(&mdio_lock);
  42 -       mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  43 +       if (!cpu_is_ixp43x())
  44 +       /* All MII PHY accesses use NPE-B Ethernet registers */
  45 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  46 +
  47 +       else
  48 +       /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
  49 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
  50 +
  51         __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
  52
  53         return platform_driver_register(&drv);
  54 --- a/include/asm-arm/arch-ixp4xx/cpu.h
  55 +++ b/include/asm-arm/arch-ixp4xx/cpu.h
  56 @@ -34,6 +34,8 @@
  57         val &= ~IXP4XX_FEATURE_RESERVED;
  58         if (!cpu_is_ixp46x())
  59                 val &= ~IXP4XX_FEATURE_IXP46X_ONLY;
  60 +       if (cpu_is_ixp42x())
  61 +               val &= ~IXP4XX_FEATURE_IXP43X_46X;
  62
  63         return val;
  64  }
  65 --- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  66 +++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  67 @@ -628,11 +628,12 @@
  68  #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
  69  #define IXP4XX_FEATURE_RESERVED                (0xFF << 24)
  70
  71 -#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_ECC_TIMESYNC |      \
  72 +#define IXP4XX_FEATURE_IXP43X_46X (IXP4XX_FEATURE_ECC_TIMESYNC |       \
  73                                     IXP4XX_FEATURE_USB_HOST |           \
  74                                     IXP4XX_FEATURE_NPEA_ETH |           \
  75 -                                   IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |    \
  76 -                                   IXP4XX_FEATURE_RSA |                \
  77                                     IXP4XX_FEATURE_XSCALE_MAX_FREQ)
  78
  79 +#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |   \
  80 +                                   IXP4XX_FEATURE_RSA)
  81 +
  82  #endif