target/linux/brcm63xx/patches-2.6.28/001-add_broadcom_63xx_cpu_definitions.patch

   1 From a9f65413f9ea81ef2208da66a3db9cb8a9020eef Mon Sep 17 00:00:00 2001
   2 From: Maxime Bizon <mbizon@freebox.fr>
   3 Date: Fri, 18 Jul 2008 15:53:08 +0200
   4 Subject: [PATCH] [MIPS] BCM63XX: Add Broadcom 63xx CPU definitions.
   5
   6 Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
   7 ---
   8  arch/mips/kernel/cpu-probe.c |   25 +++++++++++++++++++++++++
   9  arch/mips/mm/tlbex.c         |    4 ++++
  10  arch/mips/include/asm/cpu.h       |    7 +++++++
  11  3 files changed, 36 insertions(+), 0 deletions(-)
  12
  13 --- a/arch/mips/kernel/cpu-probe.c
  14 +++ b/arch/mips/kernel/cpu-probe.c
  15 @@ -154,6 +154,9 @@ void __init check_wait(void)
  16         case CPU_25KF:
  17         case CPU_PR4450:
  18         case CPU_BCM3302:
  19 +       case CPU_BCM6338:
  20 +       case CPU_BCM6348:
  21 +       case CPU_BCM6358:
  22                 cpu_wait = r4k_wait;
  23                 break;
  24
  25 @@ -864,6 +867,7 @@ static inline void cpu_probe_broadcom(st
  26  {
  27         decode_configs(c);
  28         switch (c->processor_id & 0xff00) {
  29 +       /* same as PRID_IMP_BCM6338 */
  30         case PRID_IMP_BCM3302:
  31                 c->cputype = CPU_BCM3302;
  32                 __cpu_name[cpu] = "Broadcom BCM3302";
  33 @@ -872,6 +876,26 @@ static inline void cpu_probe_broadcom(st
  34                 c->cputype = CPU_BCM4710;
  35                 __cpu_name[cpu] = "Broadcom BCM4710";
  36                 break;
  37 +       case PRID_IMP_BCM6345:
  38 +               c->cputype = CPU_BCM6345;
  39 +               __cpu_name[cpu] = "Broadcom BCM6345";
  40 +               break;
  41 +       case PRID_IMP_BCM6348:
  42 +               c->cputype = CPU_BCM6348;
  43 +               __cpu_name[cpu] = "Broadcom BCM6348";
  44 +               break;
  45 +       case PRID_IMP_BCM4350:
  46 +               switch (c->processor_id & 0xf0) {
  47 +               case PRID_REV_BCM6358:
  48 +                       c->cputype = CPU_BCM6358;
  49 +                       __cpu_name[cpu] = "Broadcom BCM6358";
  50 +                       break;
  51 +               default:
  52 +                       c->cputype = CPU_UNKNOWN;
  53 +                       __cpu_name[cpu] = "Broadcom BCM63xx";
  54 +                       break;
  55 +               }
  56 +               break;
  57         }
  58  }
  59
  60 --- a/arch/mips/mm/tlbex.c
  61 +++ b/arch/mips/mm/tlbex.c
  62 @@ -317,6 +317,10 @@ static void __cpuinit build_tlb_write_en
  63         case CPU_BCM3302:
  64         case CPU_BCM4710:
  65         case CPU_LOONGSON2:
  66 +       case CPU_BCM6338:
  67 +       case CPU_BCM6345:
  68 +       case CPU_BCM6348:
  69 +       case CPU_BCM6358:
  70                 if (m4kc_tlbp_war())
  71                         uasm_i_nop(p);
  72                 tlbw(p);
  73 --- a/arch/mips/include/asm/cpu.h
  74 +++ b/arch/mips/include/asm/cpu.h
  75 @@ -112,6 +112,12 @@
  76
  77  #define PRID_IMP_BCM4710       0x4000
  78  #define PRID_IMP_BCM3302       0x9000
  79 +#define PRID_IMP_BCM6338       0x9000
  80 +#define PRID_IMP_BCM6345       0x8000
  81 +#define PRID_IMP_BCM6348       0x9100
  82 +#define PRID_IMP_BCM4350       0xA000
  83 +#define PRID_REV_BCM6358       0x0010
  84 +#define PRID_REV_BCM6368       0x0030
  85
  86  /*
  87   * Definitions for 7:0 on legacy processors
  88 @@ -198,6 +204,7 @@ enum cpu_type_enum {
  89         CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
  90         CPU_AU1000, CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500,
  91         CPU_AU1550, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
  92 +       CPU_BCM6338, CPU_BCM6345, CPU_BCM6348, CPU_BCM6358,
  93
  94         /*
  95          * MIPS64 class processors