diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index b21b5acc16..6639fd9a00 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -1944,7 +1944,6 @@ int write_training(ramctr_timing * ctrl) { int channel, slotrank, lane; int err; - volatile u32 tmp; FOR_ALL_POPULATED_CHANNELS MCHBAR32_OR(0x4008 + 0x400 * channel, 0x8000000); @@ -1993,6 +1992,7 @@ int write_training(ramctr_timing * ctrl) MCHBAR32_OR(0x5030, 8); FOR_ALL_POPULATED_CHANNELS { + volatile u32 tmp; MCHBAR32_AND(0x4020 + 0x400 * channel, ~0x00200000); tmp = MCHBAR32(0x428c + 0x400 * channel); wait_428c(channel); @@ -2014,8 +2014,7 @@ int write_training(ramctr_timing * ctrl) printram("CPF\n"); FOR_ALL_CHANNELS FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { - tmp = MCHBAR32(0x4080 + 0x400 * channel + 4 * lane); - MCHBAR32(0x4080 + 0x400 * channel + 4 * lane) = 0; + MCHBAR32_AND(0x4080 + 0x400 * channel + 4 * lane, 0); } FOR_ALL_POPULATED_CHANNELS { @@ -2039,8 +2038,7 @@ int write_training(ramctr_timing * ctrl) program_timings(ctrl, channel); FOR_ALL_CHANNELS FOR_ALL_POPULATED_RANKS FOR_ALL_LANES { - tmp = MCHBAR32(0x4080 + 0x400 * channel + 4 * lane); - MCHBAR32(0x4080 + 0x400 * channel + 4 * lane) = 0; + MCHBAR32_AND(0x4080 + 0x400 * channel + 4 * lane, 0); } return 0; } @@ -2591,7 +2589,6 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel, int lower[NUM_LANES]; int upper[NUM_LANES]; int pat; - volatile u32 tmp; FOR_ALL_LANES { lower[lane] = 0; @@ -2616,6 +2613,7 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel, program_timings(ctrl, channel); FOR_ALL_LANES { + volatile u32 tmp; MCHBAR32(0x4340 + 0x400 * channel + 4 * lane) = 0; tmp = MCHBAR32(0x400 * channel + @@ -2660,6 +2658,7 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel, MCHBAR32(0x4284 + 0x400 * channel) = 0xc0001; wait_428c(channel); FOR_ALL_LANES { + volatile u32 tmp; tmp = MCHBAR32(0x4340 + 0x400 * channel + lane * 4); } @@ -3153,10 +3152,10 @@ void final_registers(ramctr_timing * ctrl) } printk(BIOS_DEBUG, "t123: %d, %d, %d\n", t1_ns, t2_ns, t3_ns); - MCHBAR32(0x5d10) = ((encode_5d10(t1_ns) + encode_5d10(t2_ns)) << 16) | + MCHBAR32_AND_OR(0x5d10, 0xC0C0C0C0, + ((encode_5d10(t1_ns) + encode_5d10(t2_ns)) << 16) | (encode_5d10(t1_ns) << 8) | ((encode_5d10(t3_ns) + - encode_5d10(t2_ns) + encode_5d10(t1_ns)) << 24) | - (MCHBAR32(0x5d10) & 0xC0C0C0C0) | 0xc; + encode_5d10(t2_ns) + encode_5d10(t1_ns)) << 24) | 0xc); } void restore_timings(ramctr_timing * ctrl) |