mediatek/mt8183: enable DDR low power feature

BUG=b:80501386
BRANCH=none
TEST=Boots correctly and stress test pass on Kukui.

Change-Id: Ic48580e7e5db25dc1c29dabf41c4e3816fb946d3
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32010
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Huayang Duan <huayang.duan@mediatek.corp-partner.google.com>

3 files changed, 5 insertions, 5 deletions

diff --git a/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h b/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
index 781443a397..23b5cf032c 100644
--- a/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
+++ b/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
@@ -123,8 +123,10 @@ void dramc_set_broadcast(u32 onoff);
 u32 dramc_get_broadcast(void);
 void dramc_init(void);
 void dramc_sw_impedance(const struct sdram_params *params);
-void dramc_apply_pre_calibration_config(void);
+void dramc_apply_config_before_calibration(void);
+void dramc_apply_config_after_calibration(void);
 void dramc_calibrate_all_channels(const struct sdram_params *params);
 void dramc_hw_gating_onoff(u8 chn, bool onoff);
 void dramc_enable_phy_dcm(bool bEn);
+
 #endif /* _DRAMC_PI_API_MT8183_H */
diff --git a/src/soc/mediatek/mt8183/include/soc/dramc_register.h b/src/soc/mediatek/mt8183/include/soc/dramc_register.h
index 2487504a28..f0720a7272 100644
--- a/src/soc/mediatek/mt8183/include/soc/dramc_register.h
+++ b/src/soc/mediatek/mt8183/include/soc/dramc_register.h
@@ -265,10 +265,7 @@ check_member(dramc_nao_regs, cmddrv2, 0x0474);
 struct dramc_ao_regs_rk {
 	uint32_t dqsosc;
 	uint32_t rsvd_1[5];
-	uint32_t dummy_rd_wdata0;
-	uint32_t dummy_rd_wdata1;
-	uint32_t dummy_rd_wdata2;
-	uint32_t dummy_rd_wdata3;
+	uint32_t dummy_rd_wdata[4];
 	uint32_t dummy_rd_adr;
 	uint32_t dummy_rd_bk;
 	uint32_t pre_tdqsck[12];
diff --git a/src/soc/mediatek/mt8183/include/soc/emi.h b/src/soc/mediatek/mt8183/include/soc/emi.h
index 81e3d91daa..2c04a50e9e 100644
--- a/src/soc/mediatek/mt8183/include/soc/emi.h
+++ b/src/soc/mediatek/mt8183/include/soc/emi.h
@@ -38,6 +38,7 @@ extern const u8 phy_mapping[CHANNEL_MAX][16];
 int complex_mem_test(u8 *start, unsigned int len);
 size_t sdram_size(void);
 const struct sdram_params *get_sdram_config(void);
+void enable_emi_dcm(void);
 void mt_set_emi(const struct sdram_params *params);
 void mt_mem_init(const struct sdram_params *params);