[PATCH 02/17] MIPS: Modify the Loongson1 PRID_REV

From: Keguang Zhang
Date: Sat Jul 29 2023 - 09:43:51 EST


Because LS1B and LS1C share the same PRID,
it's reasonable to rename their PRID_REVs to PRID_REV_LOONGSON1.

Signed-off-by: Keguang Zhang <keguang.zhang@xxxxxxxxx>
---
arch/mips/include/asm/cpu.h | 3 +--
arch/mips/kernel/cpu-probe.c | 6 +++---
2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index ecb9854cb432..4163b22c0a9a 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -248,8 +248,7 @@
#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_LOONGSON1 0x0020
#define PRID_REV_LOONGSON2E 0x0002
#define PRID_REV_LOONGSON2F 0x0003
#define PRID_REV_LOONGSON2K_R1_0 0x0000
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b406d8bfb15a..a5ec05f719ab 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1287,14 +1287,14 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
set_cpu_asid_mask(c, MIPS_ENTRYHI_ASID);
c->writecombine = _CACHE_UNCACHED_ACCELERATED;
break;
- case PRID_IMP_LOONGSON_32: /* Loongson-1 */
+ case PRID_IMP_LOONGSON_32:
decode_configs(c);

c->cputype = CPU_LOONGSON32;

switch (c->processor_id & PRID_REV_MASK) {
- case PRID_REV_LOONGSON1B:
- __cpu_name[cpu] = "Loongson 1B";
+ case PRID_REV_LOONGSON1:
+ __cpu_name[cpu] = "ICT Loongson-1";
break;
}

--
2.39.2