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soc/mediatek/mt8183: Remove unnecessary DRAM register settings 

In broadcast mode we only need to set registers for channel 0
instead of all channels.

BUG=none
BRANCH=kukui
TEST=emerge-kukui coreboot

Change-Id: I22a4b69fd40d1978fa7b12e8edaba00ce5d7787d
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36075
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
Yu-Ping Wu 2019-10-16 11:05:54 +08:00 committed by Patrick Georgi
parent 88ce8043c5
commit 553e2db951
1 changed files with 5 additions and 12 deletions
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15
src/soc/mediatek/mt8183/dramc_init_setting.c
View File

@ -376,11 +376,9 @@ static void update_initial_settings(u8 freq_group)
clrsetbits_le32(&ch[0].phy.b[b].dq[5], 0x3f << 8, rx_vref << 8);
}
for (u8 chn = 0; chn < CHANNEL_MAX; chn++) {
setbits_le32(&ch[chn].phy.b[0].dq[8], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
setbits_le32(&ch[chn].phy.b[1].dq[8], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
setbits_le32(&ch[chn].phy.ca_cmd[9], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
}
setbits_le32(&ch[0].phy.b[0].dq[8], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
setbits_le32(&ch[0].phy.b[1].dq[8], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
setbits_le32(&ch[0].phy.ca_cmd[9], (0x1 << 0) | (0x1 << 1) | (0x1 << 2));
dramc_gating_mode(1);
setbits_le32(&ch[0].phy.ca_cmd[8], 0x1 << 19);
@ -1065,11 +1063,7 @@ static void dramc_setting(const struct sdram_params *params, u8 freq_group)
for (size_t b = 0; b < 2; b++)
setbits_le32(&ch[0].phy.b[b].dq[3], (0x3 << 1) | (0x1 << 10));
dramc_set_broadcast(DRAMC_BROADCAST_OFF);
setbits_le32(&ch[0].phy.shu[0].ca_dll[0], 0x1 << 0);
setbits_le32(&ch[1].phy.shu[0].ca_dll[0], 0x1 << 0);
dramc_set_broadcast(DRAMC_BROADCAST_ON);
for (size_t b = 0; b < 2; b++)
clrsetbits_le32(&ch[0].phy.shu[0].b[b].dll[0],
@ -1166,8 +1160,7 @@ static void dramc_setting(const struct sdram_params *params, u8 freq_group)
setbits_le32(&ch[0].phy.misc_ctrl0,
(0xf << 0) | (0x1 << 9) | (0x1 << 24) | (0x1 << 31));
for (chn = 0; chn < CHANNEL_MAX; chn++)
setbits_le32(&ch[chn].phy.misc_ctrl1,
setbits_le32(&ch[0].phy.misc_ctrl1,
(0x1 << 2) | (0x1 << 3) | (0x1 << 15) | (0x1 << 24));
clrsetbits_le32(&ch[0].phy.b0_rxdvs[0], 0x1 << 24, 0x1 << 24);
clrsetbits_le32(&ch[0].phy.b1_rxdvs[0], 0x1 << 24, 0x1 << 24);