Change in coreboot[master]: soc/mediatek/mt8192: Add dramc 8 phase calibration - coreboot-gerrit

24 Aug 2020

Hello Duan huayang,
I'd like you to do a code review. Please visit
https://review.coreboot.org/c/coreboot/+/44709
to review the following change.
Change subject: soc/mediatek/mt8192: Add dramc 8 phase calibration
......................................................................
soc/mediatek/mt8192: Add dramc 8 phase calibration
Signed-off-by: Huayang Duan huayang.duan@mediatek.com
Change-Id: Ib4ccaa8d43b8382cbc64cf82de86ad1ac16cb89a
---
M src/soc/mediatek/mt8192/dramc_pi_basic_api.c
M src/soc/mediatek/mt8192/dramc_pi_calibration_api.c
2 files changed, 344 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/09/44709/1

diff --git a/src/soc/mediatek/mt8192/dramc_pi_basic_api.c b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c
index fb250ab..b5b262b 100644
--- a/src/soc/mediatek/mt8192/dramc_pi_basic_api.c
+++ b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c
@@ -3790,6 +3790,7 @@
 {
    dramc_setting(cali);
    dramc_reset_delay_chain_before_calibration();
+	dramc_8_phase_cal(cali);
 }
static void dramc_before_calibration(const struct ddr_cali *cali)
diff --git a/src/soc/mediatek/mt8192/dramc_pi_calibration_api.c b/src/soc/mediatek/mt8192/dramc_pi_calibration_api.c
index 38a8048..22a2545 100644
--- a/src/soc/mediatek/mt8192/dramc_pi_calibration_api.c
+++ b/src/soc/mediatek/mt8192/dramc_pi_calibration_api.c
@@ -236,3 +236,346 @@
    dramc_set_broadcast(bc_bak);
 }
+static void dramc_phy_reset(u8 chn)
+{
+	SET32_BITFIELDS(&ch[chn].ao.rx_set0, RX_SET0_RDATRST, 1);
+	SET32_BITFIELDS(&ch[chn].phy_ao.misc_ctrl1, MISC_CTRL1_R_DMPHYRST, 1);
+	SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[0].b0_dq9,
+		B0_DQ9_RG_RX_ARDQS0_STBEN_RESETB_B0, 0,
+		B0_DQ9_RG_RX_ARDQ_STBEN_RESETB_B0, 0);
+	SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[1].b0_dq9,
+		B1_DQ9_RG_RX_ARDQS0_STBEN_RESETB_B1, 0,
+		B1_DQ9_RG_RX_ARDQ_STBEN_RESETB_B1, 0);
+	udelay(1);
+	SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[1].b0_dq9,
+		B1_DQ9_RG_RX_ARDQS0_STBEN_RESETB_B1, 1,
+		B1_DQ9_RG_RX_ARDQ_STBEN_RESETB_B1, 1);
+	SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[0].b0_dq9,
+		B0_DQ9_RG_RX_ARDQS0_STBEN_RESETB_B0, 1,
+		B0_DQ9_RG_RX_ARDQ_STBEN_RESETB_B0, 1);
+	SET32_BITFIELDS(&ch[chn].phy_ao.misc_ctrl1, MISC_CTRL1_R_DMPHYRST, 0);
+	SET32_BITFIELDS(&ch[chn].ao.rx_set0, RX_SET0_RDATRST, 0);
+}
+
+static int dramc_8_phase_cal_find_best_dly(u8 phase_sm, u8 ph_dly, u8 ph_dly_back,
+	u8 *dqs_level, u8 *ph_dly_final, u8 *ph_dly_loop_break)
+{
+	u8 early_break_cnt = 5;
+	static u8 loop_cnt = 0;
+	static u16 r0 = 0xffff, r180 = 0xffff, r_tmp = 0xffff, p_tmp = 0xffff;
+	static s16 err_code = 0x7fff, err_code_min = 0x7fff;
+	u16 dqs_dly = 0, jm_dly_start = 0, jm_dly_end = 512, jm_dly_step = 1;
+	u32 sample_cnt, ones_cnt[DQS_NUMBER];
+
+	dramc_dbg("8PH dly = %d\n", ph_dly);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[0].shu_b0_dq1,
+		SHU_B0_DQ1_RG_ARPI_MIDPI_8PH_DLY_B0, ph_dly);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[1].shu_b0_dq1,
+		SHU_B1_DQ1_RG_ARPI_MIDPI_8PH_DLY_B1, ph_dly);
+	SET32_BITFIELDS(&ch[0].phy_ao.shu_ca_cmd1,
+		SHU_CA_CMD1_RG_ARPI_MIDPI_8PH_DLY_CA, ph_dly);
+
+	for (dqs_dly = jm_dly_start; dqs_dly < jm_dly_end; dqs_dly += jm_dly_step) {
+		/* Set DQS delay */
+		SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_phy2,
+			B0_PHY2_RG_RX_ARDQS_JM_DLY_B0, dqs_dly);
+		SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_phy2,
+			B1_PHY2_RG_RX_ARDQS_JM_DLY_B1, dqs_dly);
+		dramc_phy_reset(0);
+		SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+			MISC_DUTYSCAN1_REG_SW_RST, 1);
+		SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+			MISC_DUTYSCAN1_REG_SW_RST, 0);
+		SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+			MISC_DUTYSCAN1_RX_EYE_SCAN_EN, 1);
+		udelay(10);
+		SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+			MISC_DUTYSCAN1_RX_EYE_SCAN_EN, 0);
+		sample_cnt = READ32_BITFIELD(&ch[0].phy_nao.misc_duty_toggle_cnt,
+					MISC_DUTY_TOGGLE_CNT_TOGGLE_CNT);
+		ones_cnt[0] = READ32_BITFIELD(&ch[0].phy_nao.misc_duty_dqs0_err_cnt,
+					MISC_DUTY_DQS0_ERR_CNT_DQS0_ERR_CNT);
+
+		if (ones_cnt[0] < (sample_cnt / 2)) {
+			if (*dqs_level == 0xff)
+				dramc_dbg("[L] %d, %8d\n", dqs_dly, ones_cnt[0]);
+			*dqs_level = 0;
+		} else {
+			if (*dqs_level == 0) {
+				*dqs_level = 1;
+				dramc_dbg("[H] %d, %8d\n", dqs_dly, ones_cnt[0]);
+
+				if (phase_sm == DQS_8PH_DEGREE_0) {
+					r0 = dqs_dly;
+					dramc_dbg("R0 = %d\n", r0);
+					break;
+				} else if (phase_sm == DQS_8PH_DEGREE_180) {
+					r180 = dqs_dly;
+					if (r180 > r0) {
+						r_tmp = r0 + ((r180 - r0) >> 2);
+						dramc_dbg("R = %d, R180 = %d\n", r_tmp, r180);
+						break;
+					} else {
+						*dqs_level = 0xff;
+					}
+				} else if (phase_sm == DQS_8PH_DEGREE_45) {
+					p_tmp = dqs_dly;
+					dramc_dbg("p_tmp =%d, R0 = %d\n", p_tmp, r0);
+					if (p_tmp > r0) {
+						if (r_tmp > p_tmp)
+							err_code = r_tmp - p_tmp;
+						else
+							err_code = p_tmp - r_tmp;
+
+						if (err_code == 0) {
+							*ph_dly_final = ph_dly;
+							*ph_dly_loop_break = 1;
+						} else if (err_code < err_code_min) {
+							err_code_min = err_code;
+							*ph_dly_final = ph_dly;
+							loop_cnt = 0;
+						} else if (err_code >= err_code_min) {
+							loop_cnt++;
+							if (loop_cnt > early_break_cnt)
+								*ph_dly_loop_break = 1;
+						}
+
+						dramc_dbg("diff (P-R) = %d, min = %d, break count = %d\n",
+							err_code, err_code_min, loop_cnt);
+						break;
+					} else {
+						*dqs_level = 0xff;
+					}
+				} else {
+					dramc_dbg("phase_sm err!\n");
+				}
+			}
+		}
+
+	}
+
+	if ((*dqs_level == 0xff) || (*dqs_level == 0)) {
+		*ph_dly_final = ph_dly_back;
+		dramc_dbg("8-Phase SM_%d is fail (to Default)!\n", phase_sm);
+		return 0;
+	} else if (*ph_dly_loop_break == 1)
+		return -1;
+
+	return -2;
+}
+
+static void dramc_8_phase_cal_set_best_dly(const struct ddr_cali *cali, u8 ph_dly_back)
+{
+	u8 dqsien_pi = 0;
+	u8 phase_sm, ph_dly = 0, ph_start = 0, ph_end = 0, ph_dly_final = 0xff;
+	u8 ph_dly_loop_break = 0;
+
+	for (phase_sm = DQS_8PH_DEGREE_0; phase_sm < DQS_8PH_DEGREE_MAX; phase_sm++) {
+		switch (phase_sm) {
+		case DQS_8PH_DEGREE_0:
+			dqsien_pi = 16;
+			ph_start = 0;
+			ph_end = 1;
+			break;
+		case DQS_8PH_DEGREE_180:
+			dqsien_pi = 48;
+			ph_start = 0;
+			ph_end = 1;
+			break;
+		case DQS_8PH_DEGREE_45:
+			dqsien_pi = 24;
+			ph_start = 0;
+			ph_end = 32;
+			break;
+		default:
+			dramc_dbg("phase_sm err!\n");
+			break;
+		}
+
+		dramc_dbg("8-Phase SM_%d, 8PH_dly (%d~%d), DQSIEN PI = %d, 8PH_Dly = %d\n",
+			phase_sm, ph_start, ph_end, dqsien_pi, ph_dly_back);
+
+		for (u8 rk = RANK_0; rk < cali->support_ranks; rk++)
+			SET32_BITFIELDS(&ch[0].phy_ao.byte[0].rk[rk].shu_rk_b0_dqsien_pi_dly,
+				SHU_RK_B0_DQSIEN_PI_DLY_DQSIEN_PI_B0, dqsien_pi);
+
+		for (ph_dly = ph_start; ph_dly < ph_end; ph_dly++) {
+			u8 dqs_level = 0xff;
+			int ret = dramc_8_phase_cal_find_best_dly(phase_sm, ph_dly,
+					ph_dly_back, &dqs_level,
+					&ph_dly_final, &ph_dly_loop_break);
+			if (ret == 0)
+				goto final_found;
+			if (ph_dly_loop_break == 1)
+				break;
+		}
+	}
+
+final_found:
+	dramc_dbg("8 phase calibration ph_dly_final = %d\n", ph_dly_final);
+	for (u8 chn = 0; chn < CHANNEL_MAX; chn++) {
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[0].shu_b0_dq1,
+			SHU_B0_DQ1_RG_ARPI_MIDPI_8PH_DLY_B0, ph_dly_final);
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[1].shu_b0_dq1,
+			SHU_B1_DQ1_RG_ARPI_MIDPI_8PH_DLY_B1, ph_dly_final);
+		SET32_BITFIELDS(&ch[chn].phy_ao.shu_ca_cmd1,
+			SHU_CA_CMD1_RG_ARPI_MIDPI_8PH_DLY_CA, ph_dly_final);
+	}
+}
+
+void dramc_8_phase_cal(const struct ddr_cali *cali)
+{
+	u8 ph_dly_back = 0;
+	dram_freq_grp freq_group = cali->freq_group;
+
+	if (freq_group < DDRFREQ_2133) {
+		dramc_dbg("Freq %d < 2133, do not need do 8-Phase\n", get_frequency(cali));
+		return;
+	}
+
+	struct reg_bak regs_bak[] = {
+		{&ch[0].phy_ao.misc_dutyscan1},
+		{&ch[0].phy_ao.dvs_b[0].b0_dq6},
+		{&ch[0].phy_ao.dvs_b[1].b0_dq6},
+		{&ch[0].phy_ao.dvs_b[0].b0_dq5},
+		{&ch[0].phy_ao.dvs_b[1].b0_dq5},
+		{&ch[0].phy_ao.dvs_b[0].b0_dq3},
+		{&ch[0].phy_ao.dvs_b[1].b0_dq3},
+		{&ch[0].phy_ao.misc_ctrl1},
+		{&ch[0].phy_ao.misc_ctrl4},
+		{&ch[0].phy_ao.dvs_b[0].b0_phy2},
+		{&ch[0].phy_ao.dvs_b[1].b0_phy2},
+		{&ch[0].phy_ao.byte[0].shu_b0_dll_arpi2},
+		{&ch[0].phy_ao.byte[1].shu_b0_dll_arpi2},
+		{&ch[0].phy_ao.byte[0].shu_b0_dq11},
+		{&ch[0].phy_ao.byte[1].shu_b0_dq11},
+		{&ch[0].phy_ao.shu_ca_cmd11},
+		{&ch[0].phy_ao.misc_stbcal},
+		{&ch[0].phy_ao.byte[0].rk[0].shu_rk_b0_dqsien_pi_dly},
+		{&ch[0].phy_ao.byte[0].rk[1].shu_rk_b0_dqsien_pi_dly},
+		{&ch[0].phy_ao.misc_jmeter},
+		{&ch[0].phy_ao.misc_shu_stbcal},
+		{&ch[0].phy_ao.shu_ca_dll1},
+		{&ch[0].phy_ao.byte[0].shu_b0_dll1},
+		{&ch[0].phy_ao.byte[1].shu_b0_dll1},
+		{&ch[0].phy_ao.dvs_b[0].b0_dq2},
+		{&ch[0].phy_ao.dvs_b[1].b0_dq2},
+		{&ch[0].phy_ao.ca_cmd2},
+		{&ch[0].phy_ao.byte[0].shu_b0_dq13},
+		{&ch[0].phy_ao.byte[1].shu_b0_dq13},
+		{&ch[0].phy_ao.shu_ca_cmd13},
+		{&ch[1].phy_ao.shu_ca_dll1},
+		{&ch[1].phy_ao.byte[0].shu_b0_dll1},
+		{&ch[1].phy_ao.byte[1].shu_b0_dll1},
+		{&ch[1].phy_ao.dvs_b[0].b0_dq2},
+		{&ch[1].phy_ao.dvs_b[1].b0_dq2},
+		{&ch[1].phy_ao.ca_cmd2},
+		{&ch[1].phy_ao.byte[0].shu_b0_dq13},
+		{&ch[1].phy_ao.byte[1].shu_b0_dq13},
+		{&ch[1].phy_ao.shu_ca_cmd13},
+	};
+	for (size_t i = 0; i < ARRAY_SIZE(regs_bak); i++)
+		regs_bak[i].value = read32(regs_bak[i].addr);
+
+	for (u8 chn = 0; chn < CHANNEL_MAX; chn++) {
+		SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[0].b0_dq2,
+			B0_DQ2_RG_TX_ARDQS_OE_TIE_SEL_B0, 0,
+			B0_DQ2_RG_TX_ARDQS_OE_TIE_EN_B0, 1,
+			B0_DQ2_RG_TX_ARWCK_OE_TIE_SEL_B0, 0,
+			B0_DQ2_RG_TX_ARWCK_OE_TIE_EN_B0, 1,
+			B0_DQ2_RG_TX_ARWCKB_OE_TIE_SEL_B0, 0,
+			B0_DQ2_RG_TX_ARWCKB_OE_TIE_EN_B0, 1,
+			B0_DQ2_RG_TX_ARDQM_OE_TIE_SEL_B0, 0,
+			B0_DQ2_RG_TX_ARDQM_OE_TIE_EN_B0, 1,
+			B0_DQ2_RG_TX_ARDQ_OE_TIE_SEL_B0, 0,
+			B0_DQ2_RG_TX_ARDQ_OE_TIE_EN_B0, 0xff);
+		SET32_BITFIELDS(&ch[chn].phy_ao.dvs_b[1].b0_dq2,
+			B1_DQ2_RG_TX_ARDQS_OE_TIE_SEL_B1, 0,
+			B1_DQ2_RG_TX_ARDQS_OE_TIE_EN_B1, 1,
+			B1_DQ2_RG_TX_ARWCK_OE_TIE_SEL_B1, 0,
+			B1_DQ2_RG_TX_ARWCK_OE_TIE_EN_B1, 1,
+			B1_DQ2_RG_TX_ARWCKB_OE_TIE_SEL_B1, 0,
+			B1_DQ2_RG_TX_ARWCKB_OE_TIE_EN_B1, 1,
+			B1_DQ2_RG_TX_ARDQM_OE_TIE_SEL_B1, 0,
+			B1_DQ2_RG_TX_ARDQM_OE_TIE_EN_B1, 1,
+			B1_DQ2_RG_TX_ARDQ_OE_TIE_SEL_B1, 0,
+			B1_DQ2_RG_TX_ARDQ_OE_TIE_EN_B1, 0xff);
+		SET32_BITFIELDS(&ch[chn].phy_ao.ca_cmd2,
+			CA_CMD2_RG_TX_ARCLK_OE_TIE_SEL_CA, 0,
+			CA_CMD2_RG_TX_ARCLK_OE_TIE_EN_CA, 1,
+			CA_CMD2_RG_TX_ARCS_OE_TIE_SEL_CA, 0,
+			CA_CMD2_RG_TX_ARCS_OE_TIE_EN_CA, 1,
+			CA_CMD2_RG_TX_ARCA_OE_TIE_SEL_CA, 0,
+			CA_CMD2_RG_TX_ARCA_OE_TIE_EN_CA, 0xff);
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[0].shu_b0_dq13,
+			SHU_B0_DQ13_RG_TX_ARDQSB_OE_TIE_SEL_B0, 0,
+			SHU_B0_DQ13_RG_TX_ARDQSB_OE_TIE_EN_B0, 1);
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[1].shu_b0_dq13,
+			SHU_B1_DQ13_RG_TX_ARDQSB_OE_TIE_SEL_B1, 0,
+			SHU_B1_DQ13_RG_TX_ARDQSB_OE_TIE_EN_B1, 1);
+		SET32_BITFIELDS(&ch[chn].phy_ao.shu_ca_cmd13,
+			SHU_CA_CMD13_RG_TX_ARCLKB_OE_TIE_SEL_CA, 0,
+			SHU_CA_CMD13_RG_TX_ARCLKB_OE_TIE_EN_CA, 1);
+	}
+
+	ph_dly_back = READ32_BITFIELD(&ch[0].phy_ao.byte[0].shu_b0_dq1,
+		SHU_B0_DQ1_RG_ARPI_MIDPI_8PH_DLY_B0);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_shu_stbcal,
+		MISC_SHU_STBCAL_STBCALEN, 0x0,
+		MISC_SHU_STBCAL_STB_SELPHCALEN, 0x0);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[0].shu_b0_dq11,
+		SHU_B0_DQ11_RG_RX_ARDQ_RANK_SEL_SER_EN_B0, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[1].shu_b0_dq11,
+		SHU_B1_DQ11_RG_RX_ARDQ_RANK_SEL_SER_EN_B1, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.shu_ca_cmd11,
+		SHU_CA_CMD11_RG_RX_ARCA_RANK_SEL_SER_EN_CA, 0);
+
+	for (u8 chn = 0; chn < CHANNEL_MAX; chn++) {
+		SET32_BITFIELDS(&ch[chn].phy_ao.shu_ca_dll1,
+			SHU_CA_DLL1_RG_ARDLL_PHDET_EN_CA, 0x0,
+			SHU_CA_DLL1_RG_ARDLL_PHDET_OUT_SEL_CA, 0x0);
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[0].shu_b0_dll1,
+			SHU_B0_DLL1_RG_ARDLL_PHDET_EN_B0, 0x0,
+			SHU_B0_DLL1_RG_ARDLL_PHDET_OUT_SEL_B0, 0x0);
+		SET32_BITFIELDS(&ch[chn].phy_ao.byte[1].shu_b0_dll1,
+			SHU_B1_DLL1_RG_ARDLL_PHDET_EN_B1, 0x0,
+			SHU_B1_DLL1_RG_ARDLL_PHDET_OUT_SEL_B1, 0x0);
+	}
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_ctrl1, MISC_CTRL1_R_DMDQSIENCG_EN, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[0].shu_b0_dll_arpi2,
+		SHU_B0_DLL_ARPI2_RG_ARPI_CG_DQSIEN_B0, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.byte[1].shu_b0_dll_arpi2,
+		SHU_B1_DLL_ARPI2_RG_ARPI_CG_DQSIEN_B1, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+		MISC_DUTYSCAN1_RX_EYE_SCAN_CG_EN, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_ctrl4, MISC_CTRL4_R_OPT2_CG_DQSIEN, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_stbcal, MISC_STBCAL_DQSIENCG_NORMAL_EN, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_dq6,
+		B0_DQ6_RG_RX_ARDQ_EYE_DLY_DQS_BYPASS_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_dq6,
+		B1_DQ6_RG_RX_ARDQ_EYE_DLY_DQS_BYPASS_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1, MISC_DUTYSCAN1_RX_EYE_SCAN_EN, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1,
+		MISC_DUTYSCAN1_EYESCAN_DQS_SYNC_EN, 0x1,
+		MISC_DUTYSCAN1_EYESCAN_NEW_DQ_SYNC_EN, 0x1,
+		MISC_DUTYSCAN1_EYESCAN_DQ_SYNC_EN, 0x1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_dq5, B0_DQ5_RG_RX_ARDQ_EYE_EN_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_dq5, B1_DQ5_RG_RX_ARDQ_EYE_EN_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_dq5, B0_DQ5_RG_RX_ARDQ_VREF_EN_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_dq5, B1_DQ5_RG_RX_ARDQ_VREF_EN_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_dq3, B0_DQ3_RG_RX_ARDQ_SMT_EN_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_dq3, B1_DQ3_RG_RX_ARDQ_SMT_EN_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_phy2, B0_PHY2_RG_RX_ARDQS_JM_EN_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_phy2, B1_PHY2_RG_RX_ARDQS_JM_EN_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_jmeter, MISC_JMETER_JMTR_EN, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[0].b0_phy2, B0_PHY2_RG_RX_ARDQS_JM_SEL_B0, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.dvs_b[1].b0_phy2, B1_PHY2_RG_RX_ARDQS_JM_SEL_B1, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1, MISC_DUTYSCAN1_RX_MIOCK_JIT_EN, 1);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1, MISC_DUTYSCAN1_RX_EYE_SCAN_EN, 0);
+	SET32_BITFIELDS(&ch[0].phy_ao.misc_dutyscan1, MISC_DUTYSCAN1_DQSERRCNT_DIS, 0);
+
+	dramc_8_phase_cal_set_best_dly(cali, ph_dly_back);
+
+	for (size_t i = 0; i < ARRAY_SIZE(regs_bak); i++)
+		write32(regs_bak[i].addr, regs_bak[i].value);
+}
-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: Ib4ccaa8d43b8382cbc64cf82de86ad1ac16cb89a
Gerrit-Change-Number: 44709
Gerrit-PatchSet: 1
Gerrit-Owner: CK HU ck.hu@mediatek.com
Gerrit-Reviewer: Duan huayang huayang.duan@mediatek.com
Gerrit-Reviewer: Julius Werner jwerner@chromium.org
Gerrit-MessageType: newchange



    