target/linux/ixp4xx/patches-2.6.24/204-npe_driver_ixp43x_support.patch

   1 Index: linux-2.6.24.7/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   2 ===================================================================
   3 --- linux-2.6.24.7.orig/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   4 +++ linux-2.6.24.7/arch/arm/mach-ixp4xx/ixp4xx_npe.c
   5 @@ -571,8 +571,8 @@ int npe_load_firmware(struct npe *npe, c
   6                 for (i = 0; i < image->size; i++)
   7                         image->data[i] = swab32(image->data[i]);
   8
   9 -       if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) {
  10 -               print_npe(KERN_INFO, npe, "IXP46x firmware ignored on "
  11 +       if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
  12 +               print_npe(KERN_INFO, npe, "IXP46x/IXP43x firmware ignored on "
  13                           "IXP42x\n");
  14                 goto err;
  15         }
  16 @@ -594,7 +594,7 @@ int npe_load_firmware(struct npe *npe, c
  17                   "revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
  18                   (image->id >> 8) & 0xFF, image->id & 0xFF);
  19
  20 -       if (!cpu_is_ixp46x()) {
  21 +       if (cpu_is_ixp42x()) {
  22                 if (!npe->id)
  23                         instr_size = NPE_A_42X_INSTR_SIZE;
  24                 else
  25 Index: linux-2.6.24.7/drivers/net/arm/ixp4xx_eth.c
  26 ===================================================================
  27 --- linux-2.6.24.7.orig/drivers/net/arm/ixp4xx_eth.c
  28 +++ linux-2.6.24.7/drivers/net/arm/ixp4xx_eth.c
  29 @@ -32,6 +32,7 @@
  30  #include <linux/kernel.h>
  31  #include <linux/mii.h>
  32  #include <linux/platform_device.h>
  33 +#include <asm/arch/cpu.h>
  34  #include <asm/arch/npe.h>
  35  #include <asm/arch/qmgr.h>
  36
  37 @@ -1335,12 +1336,16 @@ static struct platform_driver drv = {
  38
  39  static int __init eth_init_module(void)
  40  {
  41 -       if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
  42 -               return -ENOSYS;
  43
  44 -       /* All MII PHY accesses use NPE-B Ethernet registers */
  45         spin_lock_init(&mdio_lock);
  46 -       mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  47 +       if (!cpu_is_ixp43x())
  48 +       /* All MII PHY accesses use NPE-B Ethernet registers */
  49 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
  50 +
  51 +       else
  52 +       /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
  53 +               mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
  54 +
  55         __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
  56
  57         return platform_driver_register(&drv);
  58 Index: linux-2.6.24.7/include/asm-arm/arch-ixp4xx/cpu.h
  59 ===================================================================
  60 --- linux-2.6.24.7.orig/include/asm-arm/arch-ixp4xx/cpu.h
  61 +++ linux-2.6.24.7/include/asm-arm/arch-ixp4xx/cpu.h
  62 @@ -34,6 +34,8 @@ static inline u32 ixp4xx_read_feature_bi
  63         val &= ~IXP4XX_FEATURE_RESERVED;
  64         if (!cpu_is_ixp46x())
  65                 val &= ~IXP4XX_FEATURE_IXP46X_ONLY;
  66 +       if (cpu_is_ixp42x())
  67 +               val &= ~IXP4XX_FEATURE_IXP43X_46X;
  68
  69         return val;
  70  }
  71 Index: linux-2.6.24.7/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  72 ===================================================================
  73 --- linux-2.6.24.7.orig/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  74 +++ linux-2.6.24.7/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
  75 @@ -628,11 +628,12 @@
  76  #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
  77  #define IXP4XX_FEATURE_RESERVED                (0xFF << 24)
  78
  79 -#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_ECC_TIMESYNC |      \
  80 +#define IXP4XX_FEATURE_IXP43X_46X (IXP4XX_FEATURE_ECC_TIMESYNC |       \
  81                                     IXP4XX_FEATURE_USB_HOST |           \
  82                                     IXP4XX_FEATURE_NPEA_ETH |           \
  83 -                                   IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |    \
  84 -                                   IXP4XX_FEATURE_RSA |                \
  85                                     IXP4XX_FEATURE_XSCALE_MAX_FREQ)
  86
  87 +#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_NPEB_ETH_1_TO_3 |   \
  88 +                                   IXP4XX_FEATURE_RSA)
  89 +
  90  #endif