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authorYu-Ping Wu <yupingso@chromium.org>2019-10-02 13:06:42 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-10-09 22:20:05 +0000
commit093d8ea323c56350f343e48f83bc6d5d9970d8ab (patch)
tree41566be208448740a6cb749deda2157bf9112d16 /src
parent3cde494000de81d56aebc2418e10603d279a567e (diff)
downloadcoreboot-093d8ea323c56350f343e48f83bc6d5d9970d8ab.tar.xz
soc/mediatek/mt8183: Simplify usage of dramc_engine2_end
Since we always write to &ch[chn].ao.dummy_rd after calling dramc_engine2_end(), this write could be merged into dramc_engine2_end() to simplify code. BUG=none BRANCH=none TEST=emerge-kukui coreboot Change-Id: Ibb4bd5ed016118811ad2097098417c19f00f4263 Signed-off-by: Yu-Ping Wu <yupingso@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35749 Reviewed-by: Hung-Te Lin <hungte@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/soc/mediatek/mt8183/dramc_pi_calibration_api.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c
index f8b1f091ed..794e4f0efd 100644
--- a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c
+++ b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c
@@ -607,9 +607,10 @@ static u32 dramc_engine2_run(u8 chn, enum dram_te_op wr)
return result;
}
-static void dramc_engine2_end(u8 chn)
+static void dramc_engine2_end(u8 chn, u32 dummy_rd)
{
clrbits_le32(&ch[chn].ao.test2_4, 0x1 << 17);
+ write32(&ch[chn].ao.dummy_rd, dummy_rd);
}
static bool dramc_find_gating_window(u32 result_r, u32 result_f, u32 *debug_cnt,
@@ -995,8 +996,7 @@ static void dramc_rx_dqs_gating_cal(u8 chn, u8 rank, u8 freq_group,
}
}
- dramc_engine2_end(chn);
- write32(&ch[chn].ao.dummy_rd, dummy_rd_backup);
+ dramc_engine2_end(chn, dummy_rd_backup);
for (dqs = 0; dqs < DQS_NUMBER; dqs++) {
pass_count[dqs] = dqs_transition[dqs];
@@ -1811,12 +1811,10 @@ static u8 dramc_window_perbit_cal(u8 chn, u8 rank, u8 freq_group,
break;
}
- if (type == RX_WIN_RD_DQC) {
+ if (type == RX_WIN_RD_DQC)
dramc_rx_rd_dqc_end(chn);
- } else {
- dramc_engine2_end(chn);
- write32(&ch[chn].ao.dummy_rd, dummy_rd_bak_engine2);
- }
+ else
+ dramc_engine2_end(chn, dummy_rd_bak_engine2);
if (vref_scan_enable && type == RX_WIN_TEST_ENG)
dramc_set_vref(chn, rank, type, vref_dly.best_vref);
@@ -1895,8 +1893,7 @@ static u8 dramc_rx_datlat_cal(u8 chn, u8 rank, u8 freq_group, const struct sdram
dramc_dbg("Datlat=%2d, err_value=0x%4x, sum=%d\n", datlat, err, sum);
}
- dramc_engine2_end(chn);
- write32(&ch[chn].ao.dummy_rd, dummy_rd_backup);
+ dramc_engine2_end(chn, dummy_rd_backup);
assert(sum != 0);