diff options
| author | Huayang Duan <huayang.duan@mediatek.com> | 2018-09-26 21:09:54 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-01-03 22:22:48 +0000 |
| commit | 7b78a805da0207449c5ea1baf56030ab9f54e2d6 (patch) | |
| tree | 0de9d9fb71948454225b811aac5151c41d3c1905 /src/soc/mediatek/mt8183/emi.c | |
| parent | 6202d1b51a45e9ed00f742318363920776e32d52 (diff) | |
mediatek/mt8183: Add DDR driver of runtime config part
BUG=b:80501386
BRANCH=none
TEST=Boots correctly on Kukui, and inits DRAM successfully with related
patches.
Change-Id: Id1e8862ff6feb9628d37fe5300780ff56865a563
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/28844
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src/soc/mediatek/mt8183/emi.c')
| -rw-r--r-- | src/soc/mediatek/mt8183/emi.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/soc/mediatek/mt8183/emi.c b/src/soc/mediatek/mt8183/emi.c index c1d9250f28..bb617f94fa 100644 --- a/src/soc/mediatek/mt8183/emi.c +++ b/src/soc/mediatek/mt8183/emi.c @@ -121,12 +121,9 @@ size_t sdram_size(void) static void set_rank_info_to_conf(const struct sdram_params *params) { - u8 u4value = 0; - - /* CONA 17th bit 0: Disable dual rank mode - 1: Enable dual rank mode */ - u4value = ((params->emi_cona_val & (0x1 << 17)) >> 17) ? 0 : 1; - clrsetbits_le32(&ch[0].ao.arbctl, 0x1 << 12, u4value << 12); + bool is_dual_rank = (params->emi_cona_val & (0x1 << 17)) != 0; + clrsetbits_le32(&ch[0].ao.rstmask, 0x1 << 12, + (is_dual_rank ? 0 : 1) << 12); } static void set_MRR_pinmux_mapping(void) @@ -271,6 +268,17 @@ static void dramc_init_pre_settings(void) setbits_le32(&ch[0].phy.misc_ctrl1, 0x1 << 31); } +static void dramc_ac_timing_optimize(void) +{ + for (size_t chn = 0; chn < CHANNEL_MAX; chn++) { + clrsetbits_le32(&ch[chn].ao.shu[0].actim[3], + 0xff << 16, 0x64 << 16); + clrbits_le32(&ch[chn].ao.shu[0].ac_time_05t, 0x1 << 2); + clrsetbits_le32(&ch[chn].ao.shu[0].actim[4], + 0x3ff << 0, 0x77 << 0); + } +} + static void init_dram(const struct sdram_params *params) { global_option_init(params); @@ -288,6 +296,8 @@ static void do_calib(const struct sdram_params *params) { dramc_apply_pre_calibration_config(); dramc_calibrate_all_channels(params); + dramc_ac_timing_optimize(); + dramc_runtime_config(); } void mt_set_emi(const struct sdram_params *params) |