target/linux/brcm63xx-2.6/patches/001-bcm963xx.patch

   1 diff -urN linux-2.6.19/arch/mips/Kconfig linux-2.6.19.new/arch/mips/Kconfig
   2 --- linux-2.6.19/arch/mips/Kconfig      2006-11-29 22:57:37.000000000 +0100
   3 +++ linux-2.6.19.new/arch/mips/Kconfig  2006-12-16 18:46:31.000000000 +0100
   4 @@ -4,6 +4,10 @@
   5         # Horrible source of confusion.  Die, die, die ...
   6         select EMBEDDED
   7
   8 +config CFE
   9 +       bool
  10 +       # Common Firmware Environment
  11 +
  12  mainmenu "Linux/MIPS Kernel Configuration"
  13
  14  menu "Machine selection"
  15 @@ -15,6 +15,18 @@
  16         prompt "System type"
  17         default SGI_IP22
  18
  19 +config BCM963XX
  20 +       bool "Support for Broadcom BCM963xx SoC"
  21 +       select SYS_SUPPORTS_32BIT_KERNEL
  22 +       select SYS_SUPPORTS_BIG_ENDIAN
  23 +       select SYS_HAS_CPU_MIPS32_R1
  24 +       select HW_HAS_PCI
  25 +       select DMA_NONCOHERENT
  26 +       select IRQ_CPU
  27 +       select CFE
  28 +       help
  29 +        This is a fmaily of boards based on the Broadcom MIPS32
  30 +
  31  config MACH_ALCHEMY
  32         bool "Alchemy processor based machines"
  33
  34 diff -urN linux-2.6.19/arch/mips/Makefile linux-2.6.19.new/arch/mips/Makefile
  35 --- linux-2.6.19/arch/mips/Makefile     2006-12-16 17:36:29.000000000 +0100
  36 +++ linux-2.6.19.new/arch/mips/Makefile 2006-12-16 18:46:31.000000000 +0100
  37 @@ -158,6 +158,19 @@
  38  #
  39
  40  #
  41 +# Broadcom BCM963xx SoC
  42 +#
  43 +core-$(CONFIG_BCM963XX)        += arch/mips/bcm963xx/
  44 +cflags-$(CONFIG_BCM963XX)      += -Iinclude/asm-mips/mach-bcm963xx
  45 +load-$(CONFIG_BCM963XX)        += 0xffffffff80010000
  46 +
  47 +
  48 +#
  49 +# Common Firmware Environment
  50 +#
  51 +core-$(CONFIG_CFE)             += arch/mips/cfe/
  52 +
  53 +#
  54  # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
  55  #
  56  core-$(CONFIG_MACH_JAZZ)       += arch/mips/jazz/
  57 diff -urN linux-2.6.19/arch/mips/kernel/cpu-probe.c linux-2.6.19.new/arch/mips/kernel/cpu-probe.c
  58 --- linux-2.6.19/arch/mips/kernel/cpu-probe.c   2006-11-29 22:57:37.000000000 +0100
  59 +++ linux-2.6.19.new/arch/mips/kernel/cpu-probe.c       2006-12-16 18:46:31.000000000 +0100
  60 @@ -590,6 +590,25 @@
  61                 return;
  62  }
  63
  64 +static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
  65 +{
  66 +       decode_configs(c);
  67 +       switch (c->processor_id & 0xff00) {
  68 +       case PRID_IMP_BCM6338:
  69 +               c->cputype = CPU_BCM6338;
  70 +               break;
  71 +       case PRID_IMP_BCM6345:
  72 +               c->cputype = CPU_BCM6345;
  73 +               break;
  74 +       case PRID_IMP_BCM6348:
  75 +               c->cputype = CPU_BCM6348;
  76 +               break;
  77 +       default:
  78 +               c->cputype = CPU_UNKNOWN;
  79 +               break;
  80 +       }
  81 +}
  82 +
  83  static inline void cpu_probe_mips(struct cpuinfo_mips *c)
  84  {
  85         decode_configs(c);
  86 @@ -724,6 +743,9 @@
  87         case PRID_COMP_LEGACY:
  88                 cpu_probe_legacy(c);
  89                 break;
  90 +        case PRID_COMP_BROADCOM:
  91 +                cpu_probe_broadcom(c);
  92 +                break;
  93         case PRID_COMP_MIPS:
  94                 cpu_probe_mips(c);
  95                 break;
  96 diff -urN linux-2.6.19/arch/mips/kernel/proc.c linux-2.6.19.new/arch/mips/kernel/proc.c
  97 --- linux-2.6.19/arch/mips/kernel/proc.c        2006-11-29 22:57:37.000000000 +0100
  98 +++ linux-2.6.19.new/arch/mips/kernel/proc.c    2006-12-16 18:46:31.000000000 +0100
  99 @@ -84,6 +84,9 @@
 100         [CPU_VR4181A]   = "NEC VR4181A",
 101         [CPU_SR71000]   = "Sandcraft SR71000",
 102         [CPU_PR4450]    = "Philips PR4450",
 103 +       [CPU_BCM6338]   = "BCM6338",
 104 +       [CPU_BCM6345]   = "BCM6345",
 105 +       [CPU_BCM6348]   = "BCM6348",
 106  };
 107
 108
 109 diff -urN linux-2.6.19/arch/mips/mm/c-r4k.c linux-2.6.19.new/arch/mips/mm/c-r4k.c
 110 --- linux-2.6.19/arch/mips/mm/c-r4k.c   2006-11-29 22:57:37.000000000 +0100
 111 +++ linux-2.6.19.new/arch/mips/mm/c-r4k.c       2006-12-16 18:46:31.000000000 +0100
 112 @@ -852,6 +852,13 @@
 113                 if (!(config & MIPS_CONF_M))
 114                         panic("Don't know how to probe P-caches on this cpu.");
 115
 116 +               if (c->cputype == CPU_BCM6338 || c->cputype == CPU_BCM6345 || c->cputype == CPU_BCM6348)
 117 +               {
 118 +                       printk("bcm963xx: enabling icache and dcache...\n");
 119 +                       /* Enable caches */
 120 +                       write_c0_diag(read_c0_diag() | 0xC0000000);
 121 +               }
 122 +
 123                 /*
 124                  * So we seem to be a MIPS32 or MIPS64 CPU
 125                  * So let's probe the I-cache ...
 126 diff -urN linux-2.6.19/arch/mips/mm/tlbex.c linux-2.6.19.new/arch/mips/mm/tlbex.c
 127 --- linux-2.6.19/arch/mips/mm/tlbex.c   2006-11-29 22:57:37.000000000 +0100
 128 +++ linux-2.6.19.new/arch/mips/mm/tlbex.c       2006-12-16 18:46:31.000000000 +0100
 129 @@ -892,6 +892,9 @@
 130         case CPU_4KSC:
 131         case CPU_20KC:
 132         case CPU_25KF:
 133 +       case CPU_BCM6338:
 134 +       case CPU_BCM6345:
 135 +       case CPU_BCM6348:
 136                 tlbw(p);
 137                 break;
 138
 139 diff -urN linux-2.6.19/arch/mips/pci/Makefile linux-2.6.19.new/arch/mips/pci/Makefile
 140 --- linux-2.6.19/arch/mips/pci/Makefile 2006-11-29 22:57:37.000000000 +0100
 141 +++ linux-2.6.19.new/arch/mips/pci/Makefile     2006-12-16 18:48:18.000000000 +0100
 142 @@ -16,6 +16,7 @@
 143  obj-$(CONFIG_PCI_VR41XX)       += ops-vr41xx.o pci-vr41xx.o
 144  obj-$(CONFIG_NEC_CMBVR4133)    += fixup-vr4133.o
 145  obj-$(CONFIG_MARKEINS)         += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
 146 +obj-$(CONFIG_BCM963XX)         += fixup-bcm96348.o pci-bcm96348.o ops-bcm96348.o
 147
 148  #
 149  # These are still pretty much in the old state, watch, go blind.
 150 diff -urN linux-2.6.19/include/asm-mips/bootinfo.h linux-2.6.19.new/include/asm-mips/bootinfo.h
 151 --- linux-2.6.19/include/asm-mips/bootinfo.h    2006-11-29 22:57:37.000000000 +0100
 152 +++ linux-2.6.19.new/include/asm-mips/bootinfo.h        2006-12-16 18:46:31.000000000 +0100
 153 @@ -213,6 +213,14 @@
 154  #define MACH_GROUP_NEC_EMMA2RH 25      /* NEC EMMA2RH (was 23)         */
 155  #define  MACH_NEC_MARKEINS     0       /* NEC EMMA2RH Mark-eins        */
 156
 157 +/*
 158 + * Valid machtype for group BRCM
 159 + */
 160 +#define MACH_GROUP_BRCM        23      /* Broadcom boards              */
 161 +#define MACH_BCM96338          0
 162 +#define MACH_BCM96345          1
 163 +#define MACH_BCM96348          2
 164 +
 165  #define CL_SIZE                        COMMAND_LINE_SIZE
 166
 167  const char *get_system_type(void);
 168 diff -urN linux-2.6.19/include/asm-mips/cpu.h linux-2.6.19.new/include/asm-mips/cpu.h
 169 --- linux-2.6.19/include/asm-mips/cpu.h 2006-11-29 22:57:37.000000000 +0100
 170 +++ linux-2.6.19.new/include/asm-mips/cpu.h     2006-12-16 18:46:31.000000000 +0100
 171 @@ -103,6 +103,13 @@
 172
 173  #define PRID_IMP_SR71000        0x0400
 174
 175 +/* These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
 176 + */
 177 +
 178 +#define PRID_IMP_BCM6338               0x9000
 179 +#define PRID_IMP_BCM6345               0x8000
 180 +#define PRID_IMP_BCM6348               0x9100
 181 +
 182  /*
 183   * Definitions for 7:0 on legacy processors
 184   */
 185 @@ -200,7 +207,10 @@
 186  #define CPU_SB1A               62
 187  #define CPU_74K                        63
 188  #define CPU_R14000             64
 189 -#define CPU_LAST               64
 190 +#define CPU_BCM6338             65
 191 +#define CPU_BCM6345             66
 192 +#define CPU_BCM6348             67
 193 +#define CPU_LAST               67
 194
 195  /*
 196   * ISA Level encodings
 197 diff -urN linux-2.6.19/include/asm-mips/module.h linux-2.6.19.new/include/asm-mips/module.h
 198 --- linux-2.6.19/include/asm-mips/module.h      2006-11-29 22:57:37.000000000 +0100
 199 +++ linux-2.6.19.new/include/asm-mips/module.h  2006-12-16 19:03:22.000000000 +0100
 200 @@ -112,6 +112,12 @@
 201  #define MODULE_PROC_FAMILY "RM9000 "
 202  #elif defined CONFIG_CPU_SB1
 203  #define MODULE_PROC_FAMILY "SB1 "
 204 +#elif defined CONFIG_CPU_BCM6338
 205 +#define MODULE_PROC_FAMILY "BCM6338 "
 206 +#elif defined CONFIG_CPU_BCM6345
 207 +#define MODULE_PROC_FAMILY "BCM6345 "
 208 +#elif defined CONFIG_CPU_BCM6348
 209 +#define MODULE_PROC_FAMILY "BCM6348 "
 210  #else
 211  #error MODULE_PROC_FAMILY undefined for your processor configuration
 212  #endif