--- arch/x86/cpu/cpu.c | 20 ++++++++++++-------- 1 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index a8069ad..7ec0c12 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -115,14 +115,6 @@ int cpu_init_r(void) __attribute__((weak, alias("x86_cpu_init_r")));
int x86_init_cache(void) { - const u32 nw_cd_rst = ~(X86_CR0_NW | X86_CR0_CD); - - /* turn on the cache and disable write through */ - asm("movl %%cr0, %%eax\n" - "andl %0, %%eax\n" - "movl %%eax, %%cr0\n" - "wbinvd\n" : : "i" (nw_cd_rst) : "eax"); - return 0; } int init_cache(void) __attribute__((weak, alias("x86_init_cache"))); @@ -140,6 +132,18 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; }
+void enable_caches(void) +{ + const u32 nw_cd_rst = ~(X86_CR0_NW | X86_CR0_CD); + + /* turn on the cache and disable write through */ + asm("movl %%cr0, %%eax\n" + "andl %0, %%eax\n" + "movl %%eax, %%cr0\n" : : "i" (nw_cd_rst) : "eax"); + + flush_cache(0, 0); +} + void flush_cache(unsigned long dummy1, unsigned long dummy2) { asm("wbinvd\n");