909ff61a56de3fdf0827c563ccb503285f9a8f1f
[librecmc/librecmc.git] / target / linux / brcm63xx / patches-2.6.25 / 001-bcm963xx.patch
1 From 2b2b8e163d28646cbbfde81c900fbb57d6572a11 Mon Sep 17 00:00:00 2001
2 From: Axel Gembe <ago@bastart.eu.org>
3 Date: Thu, 15 May 2008 11:00:43 +0200
4 Subject: [PATCH] bcm963xx: board support
5
6
7 Signed-off-by: Axel Gembe <ago@bastart.eu.org>
8 ---
9  arch/mips/Kconfig            |   11 +++++++++++
10  arch/mips/Makefile           |    4 ++++
11  arch/mips/kernel/cpu-probe.c |   16 ++++++++++++++++
12  arch/mips/mm/c-r4k.c         |    7 +++++++
13  arch/mips/mm/tlbex.c         |    4 ++++
14  arch/mips/pci/Makefile       |    1 +
15  include/asm-mips/bootinfo.h  |   12 ++++++++++++
16  include/asm-mips/cpu.h       |    7 ++++++-
17  8 files changed, 61 insertions(+), 1 deletions(-)
18
19 --- a/arch/mips/Kconfig
20 +++ b/arch/mips/Kconfig
21 @@ -59,6 +59,17 @@
22         help
23          Support for BCM47XX based boards
24  
25 +config BCM963XX
26 +       bool "Support for Broadcom BCM963xx SoC"
27 +       select SYS_SUPPORTS_32BIT_KERNEL
28 +       select SYS_SUPPORTS_BIG_ENDIAN
29 +       select SYS_HAS_CPU_MIPS32_R1
30 +       select HW_HAS_PCI
31 +       select DMA_NONCOHERENT
32 +       select IRQ_CPU
33 +       help
34 +         This is a fmaily of boards based on the Broadcom MIPS32
35 +
36  config MIPS_COBALT
37         bool "Cobalt Server"
38         select CEVT_R4K
39 --- a/arch/mips/Makefile
40 +++ b/arch/mips/Makefile
41 @@ -560,6 +560,10 @@
42  cflags-$(CONFIG_BCM47XX)       += -Iinclude/asm-mips/mach-bcm47xx
43  load-$(CONFIG_BCM47XX)         := 0xffffffff80001000
44  
45 +core-$(CONFIG_BCM963XX)                += arch/mips/bcm963xx/
46 +cflags-$(CONFIG_BCM963XX)      += -Iinclude/asm-mips/mach-bcm963xx
47 +load-$(CONFIG_BCM963XX)                := 0xffffffff8001000
48 +
49  #
50  # SNI RM
51  #
52 --- a/arch/mips/kernel/cpu-probe.c
53 +++ b/arch/mips/kernel/cpu-probe.c
54 @@ -803,6 +803,21 @@
55         case PRID_IMP_BCM4710:
56                 c->cputype = CPU_BCM4710;
57                 break;
58 +//     case PRID_IMP_BCM6338:
59 +//             c->cputype = CPU_BCM6338;
60 +//             break;
61 +       case PRID_IMP_BCM6345:
62 +               c->cputype = CPU_BCM6345;
63 +               break;
64 +       case PRID_IMP_BCM6348:
65 +               c->cputype = CPU_BCM6348;
66 +               break;
67 +       case PRID_IMP_BCM6358:
68 +               c->cputype = CPU_BCM6358;
69 +               break;
70 +       case PRID_IMP_BCM3350:
71 +               c->cputype = CPU_BCM3350;
72 +               break;
73         default:
74                 c->cputype = CPU_UNKNOWN;
75                 break;
76 @@ -887,6 +902,11 @@
77         case CPU_SR71000:       name = "Sandcraft SR71000"; break;
78         case CPU_BCM3302:       name = "Broadcom BCM3302"; break;
79         case CPU_BCM4710:       name = "Broadcom BCM4710"; break;
80 +       case CPU_BCM6338:       name = "Broadcom BCM6338"; break;
81 +       case CPU_BCM6345:       name = "Broadcom BCM6345"; break;
82 +       case CPU_BCM6348:       name = "Broadcom BCM6348"; break;
83 +       case CPU_BCM6358:       name = "Broadcom BCM6358"; break;
84 +       case CPU_BCM3350:       name = "Broadcom BCM3350"; break;
85         case CPU_PR4450:        name = "Philips PR4450"; break;
86         case CPU_LOONGSON2:     name = "ICT Loongson-2"; break;
87         default:
88 --- a/arch/mips/mm/c-r4k.c
89 +++ b/arch/mips/mm/c-r4k.c
90 @@ -882,6 +882,13 @@
91                 if (!(config & MIPS_CONF_M))
92                         panic("Don't know how to probe P-caches on this cpu.");
93  
94 +               if (c->cputype == CPU_BCM6338 || c->cputype == CPU_BCM6345 || c->cputype == CPU_BCM6348 || c->cputype == CPU_BCM6358 || c->cputype == CPU_BCM3350)
95 +               {
96 +                       printk("bcm963xx: enabling icache and dcache...\n");
97 +                       /* Enable caches */
98 +                       write_c0_diag(read_c0_diag() | 0xC0000000);
99 +               }
100 +
101                 /*
102                  * So we seem to be a MIPS32 or MIPS64 CPU
103                  * So let's probe the I-cache ...
104 --- a/arch/mips/mm/tlbex.c
105 +++ b/arch/mips/mm/tlbex.c
106 @@ -315,6 +315,11 @@
107         case CPU_25KF:
108         case CPU_BCM3302:
109         case CPU_BCM4710:
110 +//     case CPU_BCM6338:
111 +       case CPU_BCM6345:
112 +       case CPU_BCM6348:
113 +       case CPU_BCM6358:
114 +       case CPU_BCM3350:
115         case CPU_LOONGSON2:
116                 if (m4kc_tlbp_war())
117                         uasm_i_nop(p);
118 --- a/arch/mips/pci/Makefile
119 +++ b/arch/mips/pci/Makefile
120 @@ -48,3 +48,4 @@
121  obj-$(CONFIG_VICTOR_MPC30X)    += fixup-mpc30x.o
122  obj-$(CONFIG_ZAO_CAPCELLA)     += fixup-capcella.o
123  obj-$(CONFIG_WR_PPMC)          += fixup-wrppmc.o
124 +obj-$(CONFIG_BCM963XX)         += fixup-bcm96348.o pci-bcm96348.o ops-bcm96348.o
125 --- a/include/asm-mips/bootinfo.h
126 +++ b/include/asm-mips/bootinfo.h
127 @@ -94,6 +94,19 @@
128  #define MACH_MSP7120_FPGA       5      /* PMC-Sierra MSP7120 Emulation */
129  #define MACH_MSP_OTHER        255      /* PMC-Sierra unknown board type */
130  
131 +#define MACH_WRPPMC             1
132 +
133 +/*
134 + * Valid machtype for group Broadcom
135 + */
136 +#define MACH_GROUP_BRCM                23      /* Broadcom */
137 +#define  MACH_BCM47XX          1       /* Broadcom BCM47XX */
138 +#define  MACH_BCM96338         2
139 +#define  MACH_BCM96345         3
140 +#define  MACH_BCM96348         4
141 +#define  MACH_BCM96358         5
142 +#define  MACH_BCM3350          6
143 +
144  #define CL_SIZE                        COMMAND_LINE_SIZE
145  
146  extern char *system_type;
147 --- a/include/asm-mips/cpu.h
148 +++ b/include/asm-mips/cpu.h
149 @@ -111,6 +111,11 @@
150  
151  #define PRID_IMP_BCM4710       0x4000
152  #define PRID_IMP_BCM3302       0x9000
153 +//#define PRID_IMP_BCM6338        0x9000
154 +#define PRID_IMP_BCM6345        0x8000
155 +#define PRID_IMP_BCM6348        0x9100
156 +#define PRID_IMP_BCM6358        0xA000
157 +#define PRID_IMP_BCM3350       0x28000
158  
159  /*
160   * Definitions for 7:0 on legacy processors
161 @@ -196,7 +201,8 @@
162          */
163         CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_74K, CPU_AU1000,
164         CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500, CPU_AU1550,
165 -       CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
166 +       CPU_PR4450, CPU_BCM3302, CPU_BCM4710, CPU_BCM6338, CPU_BCM6345, CPU_BCM6348,
167 +       CPU_BCM6358, CPU_BCM3350,
168  
169         /*
170          * MIPS64 class processors