diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.c | 38 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.h | 23 |
2 files changed, 55 insertions, 6 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index 60f9e1fdd6..5aaafdd9f1 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -1351,7 +1351,12 @@ int read_training(ramctr_timing *ctrl) /* Execute command queue */ iosav_run_once(channel); - MCHBAR32(GDCRTRAININGMOD) = (slotrank << 2) | 0x8001; + const union gdcr_training_mod_reg training_mod = { + .receive_enable_mode = 1, + .training_rank_sel = slotrank, + .odt_always_on = 1, + }; + MCHBAR32(GDCRTRAININGMOD) = training_mod.raw; ctrl->timings[channel][slotrank].io_latency = 4; ctrl->timings[channel][slotrank].roundtrip_latency = 55; @@ -1814,7 +1819,14 @@ static int discover_timB(ramctr_timing *ctrl, int channel, int slotrank) int statistics[NUM_LANES][128]; int lane; - MCHBAR32(GDCRTRAININGMOD) = 0x108052 | (slotrank << 2); + const union gdcr_training_mod_reg training_mod = { + .write_leveling_mode = 1, + .training_rank_sel = slotrank, + .enable_dqs_wl = 5, + .odt_always_on = 1, + .force_drive_enable = 1, + }; + MCHBAR32(GDCRTRAININGMOD) = training_mod.raw; for (timB = 0; timB < 128; timB++) { FOR_ALL_LANES { @@ -1884,7 +1896,12 @@ static int get_timB_high_adjust(u64 val) static void train_write_flyby(ramctr_timing *ctrl) { int channel, slotrank, lane, old; - MCHBAR32(GDCRTRAININGMOD) = 0x200; + + const union gdcr_training_mod_reg training_mod = { + .dq_dqs_training_res = 1, + }; + MCHBAR32(GDCRTRAININGMOD) = training_mod.raw; + FOR_ALL_POPULATED_CHANNELS { fill_pattern1(ctrl, channel); } @@ -2046,7 +2063,13 @@ int write_training(ramctr_timing *ctrl) write_mrreg(ctrl, channel, slotrank, 1, make_mr1(ctrl, slotrank, channel) | 1 << 12 | 1 << 7); - MCHBAR32(GDCRTRAININGMOD) = 0x108052; + const union gdcr_training_mod_reg training_mod = { + .write_leveling_mode = 1, + .enable_dqs_wl = 5, + .odt_always_on = 1, + .force_drive_enable = 1, + }; + MCHBAR32(GDCRTRAININGMOD) = training_mod.raw; toggle_io_reset(); @@ -2522,8 +2545,11 @@ static int discover_edges_write_real(ramctr_timing *ctrl, int channel, int slotr } for (i = 0; i < 3; i++) { - MCHBAR32(GDCRTRAININGMOD_ch(channel)) = reg3000b24[i] << 24; - printram("[%x] = 0x%08x\n", GDCRTRAININGMOD_ch(channel), reg3000b24[i] << 24); + const union gdcr_training_mod_reg training_mod = { + .vref_gen_ctl = reg3000b24[i], + }; + MCHBAR32(GDCRTRAININGMOD_ch(channel)) = training_mod.raw; + printram("[%x] = 0x%08x\n", GDCRTRAININGMOD_ch(channel), training_mod.raw); for (pat = 0; pat < NUM_PATTERNS; pat++) { fill_pattern5(ctrl, channel, pat); diff --git a/src/northbridge/intel/sandybridge/raminit_common.h b/src/northbridge/intel/sandybridge/raminit_common.h index 798b4828e5..4a7e8065c2 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.h +++ b/src/northbridge/intel/sandybridge/raminit_common.h @@ -117,6 +117,29 @@ union gdcr_cmd_pi_coding_reg { u32 raw; }; +union gdcr_training_mod_reg { + struct { + u32 receive_enable_mode : 1; /* [ 0.. 0] */ + u32 write_leveling_mode : 1; /* [ 1.. 1] */ + u32 training_rank_sel : 2; /* [ 3.. 2] */ + u32 enable_dqs_wl : 4; /* [ 7.. 4] */ + u32 dqs_logic_delay_wl : 1; /* [ 8.. 8] */ + u32 dq_dqs_training_res : 1; /* [ 9.. 9] */ + u32 : 4; + u32 delay_dq : 1; /* [14..14] */ + u32 odt_always_on : 1; /* [15..15] */ + u32 : 4; + u32 force_drive_enable : 1; /* [20..20] */ + u32 dft_tx_pi_clk_view : 1; /* [21..21] */ + u32 dft_tx_pi_clk_swap : 1; /* [22..22] */ + u32 early_odt_en : 1; /* [23..23] */ + u32 vref_gen_ctl : 6; /* [29..24] */ + u32 ext_vref_sel : 1; /* [30..30] */ + u32 tx_fifo_always_on : 1; /* [31..31] */ + }; + u32 raw; +}; + union tc_dbp_reg { struct { u32 tRCD : 4; /* [ 3.. 0] */ |