diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/raminit_common.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_common.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c index d18e302de0..60f9e1fdd6 100644 --- a/src/northbridge/intel/sandybridge/raminit_common.c +++ b/src/northbridge/intel/sandybridge/raminit_common.c @@ -917,7 +917,7 @@ static const u32 lane_base[] = { void program_timings(ramctr_timing *ctrl, int channel) { - u32 reg32, reg_roundtrip_latency, reg_pi_code, reg_logic_delay, reg_io_latency; + u32 reg_roundtrip_latency, reg_pi_code, reg_logic_delay, reg_io_latency; int lane; int slotrank, slot; int full_shift = 0; @@ -950,13 +950,18 @@ void program_timings(ramctr_timing *ctrl, int channel) } /* Enable CMD XOVER */ - reg32 = get_XOVER_CMD(ctrl->rankmap[channel]); - reg32 |= (pi_coding_ctrl[0] & 0x3f) << 6; - reg32 |= (pi_coding_ctrl[0] & 0x40) << 9; - reg32 |= (pi_coding_ctrl[1] & 0x7f) << 18; - reg32 |= (full_shift & 0x3f) | ((full_shift & 0x40) << 6); + union gdcr_cmd_pi_coding_reg cmd_pi_coding = { + .raw = get_XOVER_CMD(ctrl->rankmap[channel]), + }; + cmd_pi_coding.cmd_pi_code = full_shift & 0x3f; + cmd_pi_coding.cmd_logic_delay = !!(full_shift & 0x40); + + cmd_pi_coding.ctl_pi_code_d0 = pi_coding_ctrl[0] & 0x3f; + cmd_pi_coding.ctl_pi_code_d1 = pi_coding_ctrl[1] & 0x3f; + cmd_pi_coding.ctl_logic_delay_d0 = !!(pi_coding_ctrl[0] & 0x40); + cmd_pi_coding.ctl_logic_delay_d1 = !!(pi_coding_ctrl[1] & 0x40); - MCHBAR32(GDCRCMDPICODING_ch(channel)) = reg32; + MCHBAR32(GDCRCMDPICODING_ch(channel)) = cmd_pi_coding.raw; /* Enable CLK XOVER */ reg_pi_code = get_XOVER_CLK(ctrl->rankmap[channel]); |