target/linux/ar7-2.6/patches-2.6.22/100-board_support.patch

   1 diff -urN linux-2.6.22/arch/mips/Kconfig linux-2.6.22.new/arch/mips/Kconfig
   2 --- linux-2.6.22/arch/mips/Kconfig      2007-07-09 01:32:17.000000000 +0200
   3 +++ linux-2.6.22.new/arch/mips/Kconfig  2007-07-11 02:34:51.000000000 +0200
   4 @@ -15,6 +15,21 @@
   5         prompt "System type"
   6         default SGI_IP22
   7
   8 +config AR7
   9 +       bool "Texas Instruments AR7"
  10 +       select BOOT_ELF32
  11 +       select DMA_NONCOHERENT
  12 +       select HW_HAS_PCI
  13 +       select IRQ_CPU
  14 +       select SWAP_IO_SPACE
  15 +       select SYS_HAS_CPU_MIPS32_R1
  16 +       select SYS_HAS_EARLY_PRINTK
  17 +       select SYS_SUPPORTS_32BIT_KERNEL
  18 +       select SYS_SUPPORTS_LITTLE_ENDIAN
  19 +       select NEED_MULTIPLE_NODES
  20 +       select GENERIC_GPIO
  21 +       select ZONE_DMA
  22 +
  23  config MACH_ALCHEMY
  24         bool "Alchemy processor based machines"
  25
  26 diff -urN linux-2.6.22/arch/mips/kernel/setup.c linux-2.6.22.new/arch/mips/kernel/setup.c
  27 --- linux-2.6.22/arch/mips/kernel/setup.c       2007-07-09 01:32:17.000000000 +0200
  28 +++ linux-2.6.22.new/arch/mips/kernel/setup.c   2007-07-11 02:32:39.000000000 +0200
  29 @@ -258,7 +258,7 @@
  30   * Initialize the bootmem allocator. It also setup initrd related data
  31   * if needed.
  32   */
  33 -#ifdef CONFIG_SGI_IP27
  34 +#ifdef CONFIG_NEED_MULTIPLE_NODES
  35
  36  static void __init bootmem_init(void)
  37  {
  38 @@ -266,7 +266,7 @@
  39         finalize_initrd();
  40  }
  41
  42 -#else  /* !CONFIG_SGI_IP27 */
  43 +#else  /* !CONFIG_NEED_MULTIPLE_NODES */
  44
  45  static void __init bootmem_init(void)
  46  {
  47 @@ -392,7 +392,7 @@
  48         finalize_initrd();
  49  }
  50
  51 -#endif /* CONFIG_SGI_IP27 */
  52 +#endif /* CONFIG_NEED_MULTIPLE_NODES */
  53
  54  /*
  55   * arch_mem_init - initialize memory managment subsystem
  56 diff -urN linux-2.6.22/arch/mips/kernel/traps.c linux-2.6.22.new/arch/mips/kernel/traps.c
  57 --- linux-2.6.22/arch/mips/kernel/traps.c       2007-07-09 01:32:17.000000000 +0200
  58 +++ linux-2.6.22.new/arch/mips/kernel/traps.c   2007-07-11 02:32:39.000000000 +0200
  59 @@ -1051,11 +1051,6 @@
  60  unsigned long exception_handlers[32];
  61  unsigned long vi_handlers[64];
  62
  63 -/*
  64 - * As a side effect of the way this is implemented we're limited
  65 - * to interrupt handlers in the address range from
  66 - * KSEG0 <= x < KSEG0 + 256mb on the Nevada.  Oh well ...
  67 - */
  68  void *set_except_vector(int n, void *addr)
  69  {
  70         unsigned long handler = (unsigned long) addr;
  71 @@ -1063,9 +1058,15 @@
  72
  73         exception_handlers[n] = handler;
  74         if (n == 0 && cpu_has_divec) {
  75 -               *(volatile u32 *)(ebase + 0x200) = 0x08000000 |
  76 -                                                (0x03ffffff & (handler >> 2));
  77 -               flush_icache_range(ebase + 0x200, ebase + 0x204);
  78 +               /* lui k0, 0x0000 */
  79 +               *(volatile u32 *)(CAC_BASE+0x200) = 0x3c1a0000 | (handler >> 16);
  80 +               /* ori k0, 0x0000 */
  81 +               *(volatile u32 *)(CAC_BASE+0x204) = 0x375a0000 | (handler & 0xffff);
  82 +               /* jr k0 */
  83 +               *(volatile u32 *)(CAC_BASE+0x208) = 0x03400008;
  84 +               /* nop */
  85 +               *(volatile u32 *)(CAC_BASE+0x20C) = 0x00000000;
  86 +               flush_icache_range(CAC_BASE+0x200, CAC_BASE+0x210);
  87         }
  88         return (void *)old_handler;
  89  }
  90 diff -urN linux-2.6.22/arch/mips/Makefile linux-2.6.22.new/arch/mips/Makefile
  91 --- linux-2.6.22/arch/mips/Makefile     2007-07-09 01:32:17.000000000 +0200
  92 +++ linux-2.6.22.new/arch/mips/Makefile 2007-07-11 02:32:39.000000000 +0200
  93 @@ -158,6 +158,13 @@
  94  #
  95
  96  #
  97 +# Texas Instruments AR7
  98 +#
  99 +core-$(CONFIG_AR7)             += arch/mips/ar7/
 100 +cflags-$(CONFIG_AR7)           += -Iinclude/asm-mips/ar7
 101 +load-$(CONFIG_AR7)             += 0xffffffff94100000
 102 +
 103 +#
 104  # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
 105  #
 106  core-$(CONFIG_MACH_JAZZ)       += arch/mips/jazz/