summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorHuacai Chen <chenhc@lemote.com>2018-04-28 11:21:25 +0800
committerPaul Burton <paul.burton@mips.com>2018-07-23 17:53:34 -0700
commit7cff3f168999fd1de4a41c5971363f42d49e961f (patch)
treed92158ab49a5e4ade8080eaf5f68edd4022fa378 /arch
parentc6ea7e9747318e5a6774995f4f8e3e0f7c0fa8ba (diff)
downloadlinux-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.h51
-rw-r--r--arch/mips/kernel/cpu-probe.c3
-rw-r--r--arch/mips/loongson64/common/env.c3
-rw-r--r--arch/mips/loongson64/loongson-3/smp.c3
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;