diff options
Diffstat (limited to 'arch/mips/loongson64/common/init.c')
| -rw-r--r-- | arch/mips/loongson64/common/init.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/loongson64/common/init.c b/arch/mips/loongson64/common/init.c index 9b987fe98b5b00..6ef17120722f55 100644 --- a/arch/mips/loongson64/common/init.c +++ b/arch/mips/loongson64/common/init.c @@ -10,13 +10,25 @@ #include <linux/bootmem.h> #include <asm/bootinfo.h> +#include <asm/traps.h> #include <asm/smp-ops.h> +#include <asm/cacheflush.h> #include <loongson.h> /* Loongson CPU address windows config space base address */ unsigned long __maybe_unused _loongson_addrwincfg_base; +static void __init mips_nmi_setup(void) +{ + void *base; + extern char except_vec_nmi; + + base = (void *)(CAC_BASE + 0x380); + memcpy(base, &except_vec_nmi, 0x80); + flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); +} + void __init prom_init(void) { #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG @@ -40,6 +52,7 @@ void __init prom_init(void) /*init the uart base address */ prom_init_uart_base(); register_smp_ops(&loongson3_smp_ops); + board_nmi_handler_setup = mips_nmi_setup; } void __init prom_free_prom_memory(void) |