diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 3 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 9 |
3 files changed, 10 insertions, 4 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 87e6207b05e..fed1c3e9b48 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -596,7 +596,7 @@ #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) -#define MIPS_CONF3_ISA_OE (_ULCAST_(3) << 16) +#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f87039dbefe..c7b1b3c5a76 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -269,9 +269,6 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) c->options |= MIPS_CPU_ULRI; if (config3 & MIPS_CONF3_ISA) c->options |= MIPS_CPU_MICROMIPS; -#ifdef CONFIG_CPU_MICROMIPS - write_c0_config3(read_c0_config3() | MIPS_CONF3_ISA_OE); -#endif if (config3 & MIPS_CONF3_VZ) c->ases |= MIPS_ASE_VZ; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index d97ea234e2d..b0f3ad26063 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1878,6 +1878,15 @@ void __init trap_init(void) ebase += (read_c0_ebase() & 0x3ffff000); } + if (cpu_has_mmips) { + unsigned int config3 = read_c0_config3(); + + if (IS_ENABLED(CONFIG_CPU_MICROMIPS)) + write_c0_config3(config3 | MIPS_CONF3_ISA_OE); + else + write_c0_config3(config3 & ~MIPS_CONF3_ISA_OE); + } + if (board_ebase_setup) board_ebase_setup(); per_cpu_trap_init(true); |