diff options
| author |   WANG Xuerui <git@xen0n.name> | 2020-05-30 15:32:43 +0800 |
|---|---|---|
| committer |   Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-05-31 10:54:35 +0200 |
| commit | dd25ed7361fb543d32f0da66e1e492563e64938e (patch) | |
| tree | 0837ff32dd22a0a74ede457907c490f16ab18b7d /arch/mips | |
| parent | MIPS: Expose Loongson CPUCFG availability via HWCAP (diff) | |
| download | wireguard-linux-dd25ed7361fb543d32f0da66e1e492563e64938e.tar.xz wireguard-linux-dd25ed7361fb543d32f0da66e1e492563e64938e.zip | |
MIPS: Loongson64: Reorder CPUCFG model match arms
Originally the match arms are ordered by model release date, however
the LOONGSON_64R cores are even more reduced capability-wise. So put
them at top of the switch block.
Suggested-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/loongson64/cpucfg-emul.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/mips/loongson64/cpucfg-emul.c b/arch/mips/loongson64/cpucfg-emul.c index ca75f07252df..cd619b47ba1f 100644 --- a/arch/mips/loongson64/cpucfg-emul.c +++ b/arch/mips/loongson64/cpucfg-emul.c @@ -137,6 +137,22 @@ void loongson3_cpucfg_synthesize_data(struct cpuinfo_mips *c) /* Add CPUCFG features non-discoverable otherwise. */ switch (c->processor_id & (PRID_IMP_MASK | PRID_REV_MASK)) { + case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_0: + case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_1: + case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_2: + case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_3: + decode_loongson_config6(c); + probe_uca(c); + + c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 | + LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LLSYNC | + LOONGSON_CFG1_TGTSYNC); + c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 | + LOONGSON_CFG2_LBT2 | LOONGSON_CFG2_LPMP | + LOONGSON_CFG2_LPM_REV2); + c->loongson3_cpucfg_data[2] = 0; + break; + case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R1: c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 | LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LSUCA | @@ -164,22 +180,6 @@ void loongson3_cpucfg_synthesize_data(struct cpuinfo_mips *c) LOONGSON_CFG3_LCAMVW_REV1); break; - case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_0: - case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_1: - case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_2: - case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_3: - decode_loongson_config6(c); - probe_uca(c); - - c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 | - LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LLSYNC | - LOONGSON_CFG1_TGTSYNC); - c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 | - LOONGSON_CFG2_LBT2 | LOONGSON_CFG2_LPMP | - LOONGSON_CFG2_LPM_REV2); - c->loongson3_cpucfg_data[2] = 0; - break; - case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0: case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_1: case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R3_0: |