diff options
Diffstat (limited to 'src/northbridge/intel')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.c | 9 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.h | 5 |
2 files changed, 11 insertions, 3 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index 3e769ec5a4..44f7f6d82c 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -3202,7 +3202,14 @@ void final_registers(ramctr_timing * ctrl) write32(DEFAULT_MCHBAR + 0x400c, (read32(DEFAULT_MCHBAR + 0x400c) & 0xFFFFCFFF) | 0x1000); // OK write32(DEFAULT_MCHBAR + 0x440c, (read32(DEFAULT_MCHBAR + 0x440c) & 0xFFFFCFFF) | 0x1000); // OK - write32(DEFAULT_MCHBAR + 0x4cb0, 0x00000740); + + if (ctrl->mobile) + /* APD - DLL Off, 64 DCLKs until idle, decision per rank */ + MCHBAR32(PM_PDWN_Config) = 0x00000740; + else + /* APD - PPD, 64 DCLKs until idle, decision per rank */ + MCHBAR32(PM_PDWN_Config) = 0x00000340; + write32(DEFAULT_MCHBAR + 0x4380, 0x00000aaa); // OK write32(DEFAULT_MCHBAR + 0x4780, 0x00000aaa); // OK write32(DEFAULT_MCHBAR + 0x4f88, 0x5f7003ff); // OK diff --git a/src/northbridge/intel/sandybridge/raminit_common.h b/src/northbridge/intel/sandybridge/raminit_common.h index 1f32dcddc4..28849e737a 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.h +++ b/src/northbridge/intel/sandybridge/raminit_common.h @@ -150,8 +150,9 @@ typedef struct ramctr_timing_st { #define MAKE_ERR ((channel<<16)|(slotrank<<8)|1) #define GET_ERR_CHANNEL(x) (x>>16) -#define MC_BIOS_REQ 0x5e00 -#define MC_BIOS_DATA 0x5e04 +#define MC_BIOS_REQ 0x5e00 +#define MC_BIOS_DATA 0x5e04 +#define PM_PDWN_Config 0x4cb0 u8 get_CWL(u32 tCK); void dram_mrscommands(ramctr_timing * ctrl); |