diff options
| author | WANG Xuerui <git@xen0n.name> | 2020-05-03 18:33:03 +0800 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-05-17 10:26:37 +0200 |
| commit | fdec207e466d57e658ca18755ff990a18e85d5ae (patch) | |
| tree | 07181955d5b8b160d02b741f99087876d4c7c164 /arch/mips/include/asm/mach-loongson64 | |
| parent | de541d60157a1716c0e2f04971fd2dd97ade7b7e (diff) | |
MIPS: Loongson64: define offsets and known revisions for some CPUCFG features
Add the constants for easier and maintainable composition of CPUCFG
values.
Signed-off-by: WANG Xuerui <git@xen0n.name>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include/asm/mach-loongson64')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/loongson_regs.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_regs.h b/arch/mips/include/asm/mach-loongson64/loongson_regs.h index 07aab3c5b22c..83dbb9fdf9c2 100644 --- a/arch/mips/include/asm/mach-loongson64/loongson_regs.h +++ b/arch/mips/include/asm/mach-loongson64/loongson_regs.h @@ -67,6 +67,8 @@ static inline u32 read_cpucfg(u32 reg) #define LOONGSON_CFG1_SFBP BIT(29) #define LOONGSON_CFG1_CDMAP BIT(30) +#define LOONGSON_CFG1_FPREV_OFFSET 1 + #define LOONGSON_CFG2 0x2 #define LOONGSON_CFG2_LEXT1 BIT(0) #define LOONGSON_CFG2_LEXT2 BIT(1) @@ -90,6 +92,13 @@ static inline u32 read_cpucfg(u32 reg) #define LOONGSON_CFG2_LCSRP BIT(27) #define LOONGSON_CFG2_LDISBLIKELY BIT(28) +#define LOONGSON_CFG2_LPMREV_OFFSET 9 +#define LOONGSON_CFG2_LPM_REV1 (1 << LOONGSON_CFG2_LPMREV_OFFSET) +#define LOONGSON_CFG2_LPM_REV2 (2 << LOONGSON_CFG2_LPMREV_OFFSET) +#define LOONGSON_CFG2_LVZREV_OFFSET 16 +#define LOONGSON_CFG2_LVZ_REV1 (1 << LOONGSON_CFG2_LVZREV_OFFSET) +#define LOONGSON_CFG2_LVZ_REV2 (2 << LOONGSON_CFG2_LVZREV_OFFSET) + #define LOONGSON_CFG3 0x3 #define LOONGSON_CFG3_LCAMP BIT(0) #define LOONGSON_CFG3_LCAMREV GENMASK(3, 1) @@ -97,6 +106,16 @@ static inline u32 read_cpucfg(u32 reg) #define LOONGSON_CFG3_LCAMKW GENMASK(19, 12) #define LOONGSON_CFG3_LCAMVW GENMASK(27, 20) +#define LOONGSON_CFG3_LCAMREV_OFFSET 1 +#define LOONGSON_CFG3_LCAM_REV1 (1 << LOONGSON_CFG3_LCAMREV_OFFSET) +#define LOONGSON_CFG3_LCAM_REV2 (2 << LOONGSON_CFG3_LCAMREV_OFFSET) +#define LOONGSON_CFG3_LCAMNUM_OFFSET 4 +#define LOONGSON_CFG3_LCAMNUM_REV1 (0x3f << LOONGSON_CFG3_LCAMNUM_OFFSET) +#define LOONGSON_CFG3_LCAMKW_OFFSET 12 +#define LOONGSON_CFG3_LCAMKW_REV1 (0x27 << LOONGSON_CFG3_LCAMKW_OFFSET) +#define LOONGSON_CFG3_LCAMVW_OFFSET 20 +#define LOONGSON_CFG3_LCAMVW_REV1 (0x3f << LOONGSON_CFG3_LCAMVW_OFFSET) + #define LOONGSON_CFG4 0x4 #define LOONGSON_CFG4_CCFREQ GENMASK(31, 0) |