[brcm63xx] add experimental support for 2.6.30.4
[openwrt.git] / target / linux / brcm63xx / patches-2.6.30 / 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 @@ -158,6 +158,9 @@ 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         case CPU_CAVIUM_OCTEON:
23                 cpu_wait = r4k_wait;
24                 break;
25 @@ -855,6 +858,7 @@ 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 @@ -863,6 +867,26 @@ 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 @@ -310,6 +310,10 @@ 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         case CPU_CAVIUM_OCTEON:
71         case CPU_R5500:
72                 if (m4kc_tlbp_war())
73 --- a/arch/mips/include/asm/cpu.h
74 +++ b/arch/mips/include/asm/cpu.h
75 @@ -113,6 +113,12 @@
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   * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
88 @@ -210,6 +216,7 @@ enum cpu_type_enum {
89          */
90         CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
91         CPU_ALCHEMY, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
92 +       CPU_BCM6338, CPU_BCM6345, CPU_BCM6348, CPU_BCM6358,
93  
94         /*
95          * MIPS64 class processors