diff options
| author | Huacai Chen <chenhc@lemote.com> | 2018-04-28 11:21:25 +0800 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2018-07-23 17:53:34 -0700 |
| commit | 7cff3f168999fd1de4a41c5971363f42d49e961f (patch) | |
| tree | d92158ab49a5e4ade8080eaf5f68edd4022fa378 /arch | |
| parent | c6ea7e9747318e5a6774995f4f8e3e0f7c0fa8ba (diff) | |
| download | linux-7cff3f168999fd1de4a41c5971363f42d49e961f.tar.bz2 | |
MIPS: Loongson: Add Loongson-3A R3.1 basic support
Loongson-3A R3.1 is the bugfix revision of Loongson-3A R3.
All Loongson-3 CPU family:
Code-name Brand-name PRId
Loongson-3A R1 Loongson-3A1000 0x6305
Loongson-3A R2 Loongson-3A2000 0x6308
Loongson-3A R3 Loongson-3A3000 0x6309
Loongson-3A R3.1 Loongson-3A3000 0x630d
Loongson-3B R1 Loongson-3B1000 0x6306
Loongson-3B R2 Loongson-3B1500 0x6307
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/19263/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <james.hogan@mips.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: Huacai Chen <chenhuacai@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/cpu.h | 51 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 3 | ||||
| -rw-r--r-- | arch/mips/loongson64/common/env.c | 3 | ||||
| -rw-r--r-- | arch/mips/loongson64/loongson-3/smp.c | 3 |
4 files changed, 32 insertions, 28 deletions
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 5b9d02ef4f60..dacbdb84516a 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -225,31 +225,32 @@ * Definitions for 7:0 on legacy processors */ -#define PRID_REV_TX4927 0x0022 -#define PRID_REV_TX4937 0x0030 -#define PRID_REV_R4400 0x0040 -#define PRID_REV_R3000A 0x0030 -#define PRID_REV_R3000 0x0020 -#define PRID_REV_R2000A 0x0010 -#define PRID_REV_TX3912 0x0010 -#define PRID_REV_TX3922 0x0030 -#define PRID_REV_TX3927 0x0040 -#define PRID_REV_VR4111 0x0050 -#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */ -#define PRID_REV_VR4121 0x0060 -#define PRID_REV_VR4122 0x0070 -#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ -#define PRID_REV_VR4130 0x0080 -#define PRID_REV_34K_V1_0_2 0x0022 -#define PRID_REV_LOONGSON1B 0x0020 -#define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */ -#define PRID_REV_LOONGSON2E 0x0002 -#define PRID_REV_LOONGSON2F 0x0003 -#define PRID_REV_LOONGSON3A_R1 0x0005 -#define PRID_REV_LOONGSON3B_R1 0x0006 -#define PRID_REV_LOONGSON3B_R2 0x0007 -#define PRID_REV_LOONGSON3A_R2 0x0008 -#define PRID_REV_LOONGSON3A_R3 0x0009 +#define PRID_REV_TX4927 0x0022 +#define PRID_REV_TX4937 0x0030 +#define PRID_REV_R4400 0x0040 +#define PRID_REV_R3000A 0x0030 +#define PRID_REV_R3000 0x0020 +#define PRID_REV_R2000A 0x0010 +#define PRID_REV_TX3912 0x0010 +#define PRID_REV_TX3922 0x0030 +#define PRID_REV_TX3927 0x0040 +#define PRID_REV_VR4111 0x0050 +#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */ +#define PRID_REV_VR4121 0x0060 +#define PRID_REV_VR4122 0x0070 +#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ +#define PRID_REV_VR4130 0x0080 +#define PRID_REV_34K_V1_0_2 0x0022 +#define PRID_REV_LOONGSON1B 0x0020 +#define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */ +#define PRID_REV_LOONGSON2E 0x0002 +#define PRID_REV_LOONGSON2F 0x0003 +#define PRID_REV_LOONGSON3A_R1 0x0005 +#define PRID_REV_LOONGSON3B_R1 0x0006 +#define PRID_REV_LOONGSON3B_R2 0x0007 +#define PRID_REV_LOONGSON3A_R2 0x0008 +#define PRID_REV_LOONGSON3A_R3_0 0x0009 +#define PRID_REV_LOONGSON3A_R3_1 0x000d /* * Older processors used to encode processor version and revision in two diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index b2509c19cfb5..d535fc706a8b 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1849,7 +1849,8 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) set_elf_platform(cpu, "loongson3a"); set_isa(c, MIPS_CPU_ISA_M64R2); break; - case PRID_REV_LOONGSON3A_R3: + case PRID_REV_LOONGSON3A_R3_0: + case PRID_REV_LOONGSON3A_R3_1: c->cputype = CPU_LOONGSON3; __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c index 1e8a955ae5a8..8f68ee02a8c2 100644 --- a/arch/mips/loongson64/common/env.c +++ b/arch/mips/loongson64/common/env.c @@ -198,7 +198,8 @@ void __init prom_init_env(void) break; case PRID_REV_LOONGSON3A_R1: case PRID_REV_LOONGSON3A_R2: - case PRID_REV_LOONGSON3A_R3: + case PRID_REV_LOONGSON3A_R3_0: + case PRID_REV_LOONGSON3A_R3_1: cpu_clock_freq = 900000000; break; case PRID_REV_LOONGSON3B_R1: diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c index 8501109bb0f0..fea95d003269 100644 --- a/arch/mips/loongson64/loongson-3/smp.c +++ b/arch/mips/loongson64/loongson-3/smp.c @@ -682,7 +682,8 @@ void play_dead(void) (void *)CKSEG1ADDR((unsigned long)loongson3a_r1_play_dead); break; case PRID_REV_LOONGSON3A_R2: - case PRID_REV_LOONGSON3A_R3: + case PRID_REV_LOONGSON3A_R3_0: + case PRID_REV_LOONGSON3A_R3_1: play_dead_at_ckseg1 = (void *)CKSEG1ADDR((unsigned long)loongson3a_r2r3_play_dead); break; |