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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>
This commit is contained in:
Yu-Ping Wu 2019-10-02 13:06:42 +08:00 committed by Patrick Georgi
parent 3cde494000
commit 093d8ea323
1 changed files with 7 additions and 10 deletions
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17
src/soc/mediatek/mt8183/dramc_pi_calibration_api.c
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@ -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);