target/linux/brcm63xx/patches-3.14/332-MIPS-BCM63XX-detect-BCM6328-variants.patch

   1 From d59120f23279ef62a48d9f94847254b061d0a8b6 Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sat, 7 Dec 2013 14:30:59 +0100
   4 Subject: [PATCH 22/45] MIPS: BCM63XX: detect BCM6328 variants
   5
   6 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
   7 ---
   8  arch/mips/bcm63xx/cpu.c                          | 10 ++++++++++
   9  arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h |  8 ++++++--
  10  2 files changed, 16 insertions(+), 2 deletions(-)
  11
  12 --- a/arch/mips/bcm63xx/cpu.c
  13 +++ b/arch/mips/bcm63xx/cpu.c
  14 @@ -306,6 +306,7 @@ void __init bcm63xx_cpu_init(void)
  15         struct cpuinfo_mips *c = &current_cpu_data;
  16         unsigned int cpu = smp_processor_id();
  17         u32 chipid_reg;
  18 +       u8 __maybe_unused varid = 0;
  19
  20         /* soc registers location depends on cpu type */
  21         chipid_reg = 0;
  22 @@ -345,6 +346,7 @@ void __init bcm63xx_cpu_init(void)
  23         bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
  24         bcm63xx_cpu_variant = bcm63xx_cpu_id;
  25         bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
  26 +       varid = (tmp & REV_VARID_MASK) >> REV_VARID_SHIFT;
  27
  28         switch (bcm63xx_cpu_id) {
  29         case BCM3368_CPU_ID:
  30 @@ -354,6 +356,14 @@ void __init bcm63xx_cpu_init(void)
  31         case BCM6328_CPU_ID:
  32                 bcm63xx_regs_base = bcm6328_regs_base;
  33                 bcm63xx_irqs = bcm6328_irqs;
  34 +
  35 +               if (varid == 1)
  36 +                       bcm63xx_cpu_variant = BCM63281_CPU_ID;
  37 +               else if (varid == 3)
  38 +                       bcm63xx_cpu_variant = BCM63283_CPU_ID;
  39 +               else
  40 +                       pr_warn("unknown BCM6328 variant: %x\n", varid);
  41 +
  42                 break;
  43         case BCM6338_CPU_ID:
  44                 bcm63xx_regs_base = bcm6338_regs_base;
  45 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  46 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
  47 @@ -11,6 +11,8 @@
  48   */
  49  #define BCM3368_CPU_ID         0x3368
  50  #define BCM6328_CPU_ID         0x6328
  51 +#define BCM63281_CPU_ID                0x63281
  52 +#define BCM63283_CPU_ID                0x63283
  53  #define BCM6338_CPU_ID         0x6338
  54  #define BCM6345_CPU_ID         0x6345
  55  #define BCM6348_CPU_ID         0x6348
  56 @@ -85,8 +87,10 @@ static inline u16 __pure bcm63xx_get_cpu
  57
  58  #define BCMCPU_VARIANT_IS_3368() \
  59         (bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
  60 -#define BCMCPU_VARIANT_IS_6328() \
  61 -       (bcm63xx_get_cpu_variant() == BCM6328_CPU_ID)
  62 +#define BCMCPU_VARIANT_IS_63281() \
  63 +       (bcm63xx_get_cpu_variant() == BCM63281_CPU_ID)
  64 +#define BCMCPU_VARIANT_IS_63283() \
  65 +       (bcm63xx_get_cpu_variant() == BCM63283_CPU_ID)
  66  #define BCMCPU_VARIANT_IS_6338() \
  67         (bcm63xx_get_cpu_variant() == BCM6338_CPU_ID)
  68  #define BCMCPU_VARIANT_IS_6345() \