diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h index 3534f58d84..c4bfd3fe64 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h @@ -94,6 +94,15 @@ static u32 bsf(u32 x) u32 SetUpperFSbase(u32 addr_hi); +static void proc_MFENCE(void) +{ + __asm__ volatile ( + "outb %%al, $0xed\n\t" /* _EXECFENCE */ + "mfence\n\t" + :::"memory" + ); +} + static void proc_CLFLUSH(u32 addr_hi) { SetUpperFSbase(addr_hi); |