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authorHuacai Chen <chenhc@lemote.com>2016-03-03 04:45:09 +0300
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 15:02:14 +0300
commitb2edcfc814017eb278e29bfdc72844f0434dd8b1 (patch)
tree3f89cb7c343828f47ebb392d0ce89367361d3ca0 /drivers/platform
parent24653515e5d2cb07772919599ad799ce50f8af4f (diff)
downloadlinux-b2edcfc814017eb278e29bfdc72844f0434dd8b1.tar.xz
MIPS: Loongson: Add Loongson-3A R2 basic support
Loongson-3 CPU family: Code-name Brand-name PRId Loongson-3A R1 Loongson-3A1000 0x6305 Loongson-3A R2 Loongson-3A2000 0x6308 Loongson-3B R1 Loongson-3B1000 0x6306 Loongson-3B R2 Loongson-3B1500 0x6307 Features of R2 revision of Loongson-3A: - Primary cache includes I-Cache, D-Cache and V-Cache (Victim Cache). - I-Cache, D-Cache and V-Cache are 16-way set-associative, linesize is 64 bytes. - 64 entries of VTLB (classic TLB), 1024 entries of FTLB (8-way set-associative). - Supports DSP/DSPv2 instructions, UserLocal register and Read-Inhibit/ Execute-Inhibit. [ralf@linux-mips.org: Resolved merge conflicts.] Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Steven J . Hill <sjhill@realitydiluted.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12751/ Patchwork: https://patchwork.linux-mips.org/patch/13136/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/mips/cpu_hwmon.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c
index 0f6c63e17049..8c5072b7ad4f 100644
--- a/drivers/platform/mips/cpu_hwmon.c
+++ b/drivers/platform/mips/cpu_hwmon.c
@@ -20,9 +20,9 @@ int loongson3_cpu_temp(int cpu)
u32 reg;
reg = LOONGSON_CHIPTEMP(cpu);
- if (loongson_sysconf.cputype == Loongson_3A)
+ if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1)
reg = (reg >> 8) & 0xff;
- else if (loongson_sysconf.cputype == Loongson_3B)
+ else
reg = ((reg >> 8) & 0xff) - 100;
return (int)reg * 1000;