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authorPeter Kao <peter.kao@mediatek.com>2015-07-31 17:11:14 +0800
committerPatrick Georgi <pgeorgi@google.com>2016-03-12 09:00:21 +0100
commitda1e02a3a0cd8de244a03cc84d5ecc9663e5e694 (patch)
tree561d900efe1632f802de2eee84ff11d6f4465ed5 /src/soc
parentb74a2eca80deed3e7d21ba1123c2b986abcfcc10 (diff)
downloadcoreboot-da1e02a3a0cd8de244a03cc84d5ecc9663e5e694.tar.xz
mediatek/mt8173: Add EMI driver, DRAM initialization
BUG=none TEST=emerge-oak coreboot BRANCH=none Change-Id: I6b05898de2d0022e0de7b18f1db3c3e9c06d8135 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: b614eeb1bba5660438c214e82225832809caca8e Original-Change-Id: I0f7b0a426dae1548b34114a024c92befdf6002f6 Original-Signed-off-by: Peter Kao <peter.kao@mediatek.com> Original-Reviewed-on: https://chromium-review.googlesource.com/292692 Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com> Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13105 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/mediatek/mt8173/Kconfig4
-rw-r--r--src/soc/mediatek/mt8173/Makefile.inc3
-rw-r--r--src/soc/mediatek/mt8173/dramc_pi_basic_api.c879
-rw-r--r--src/soc/mediatek/mt8173/dramc_pi_calibration_api.c1150
-rw-r--r--src/soc/mediatek/mt8173/emi.c142
-rw-r--r--src/soc/mediatek/mt8173/include/soc/dramc_common.h42
-rw-r--r--src/soc/mediatek/mt8173/include/soc/dramc_pi_api.h187
-rw-r--r--src/soc/mediatek/mt8173/include/soc/dramc_register.h522
-rw-r--r--src/soc/mediatek/mt8173/include/soc/emi.h140
-rw-r--r--src/soc/mediatek/mt8173/include/soc/pll.h5
-rw-r--r--src/soc/mediatek/mt8173/memory.c357
-rw-r--r--src/soc/mediatek/mt8173/pll.c26
12 files changed, 3457 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8173/Kconfig b/src/soc/mediatek/mt8173/Kconfig
index 84c4d15970..91a8d4fe75 100644
--- a/src/soc/mediatek/mt8173/Kconfig
+++ b/src/soc/mediatek/mt8173/Kconfig
@@ -17,6 +17,10 @@ config SOC_MEDIATEK_MT8173
if SOC_MEDIATEK_MT8173
+config MEMORY_TEST
+ bool
+ default n
+
config DEBUG_SOC_DRIVER
bool "The top level switch for soc driver debug message"
default n
diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc
index fa344c0ee3..7b6dc75954 100644
--- a/src/soc/mediatek/mt8173/Makefile.inc
+++ b/src/soc/mediatek/mt8173/Makefile.inc
@@ -43,6 +43,7 @@ verstage-$(CONFIG_SPI_FLASH) += flash_controller.c
################################################################################
romstage-$(CONFIG_SPI_FLASH) += flash_controller.c
+romstage-y += pll.c
romstage-y += timer.c
romstage-$(CONFIG_DRIVERS_UART) += uart.c
@@ -50,6 +51,8 @@ romstage-y += cbmem.c
romstage-y += spi.c
romstage-y += gpio.c
romstage-y += pmic_wrap.c mt6391.c
+romstage-y += memory.c
+romstage-y += emi.c dramc_pi_basic_api.c dramc_pi_calibration_api.c
romstage-y += mmu_operations.c
romstage-y += rtc.c
diff --git a/src/soc/mediatek/mt8173/dramc_pi_basic_api.c b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
new file mode 100644
index 0000000000..ac28373a39
--- /dev/null
+++ b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
@@ -0,0 +1,879 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/barrier.h>
+#include <arch/io.h>
+#include <assert.h>
+#include <console/console.h>
+#include <delay.h>
+#include <soc/addressmap.h>
+#include <soc/dramc_common.h>
+#include <soc/dramc_register.h>
+#include <soc/dramc_pi_api.h>
+#include <soc/emi.h>
+#include <soc/mt6391.h>
+#include <soc/pll.h>
+#include <soc/spm.h>
+#include <string.h>
+#include <types.h>
+
+struct mem_pll {
+ u8 delay;
+ u8 phase;
+ u8 done;
+};
+
+inline u8 is_dual_rank(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ /* judge ranks from EMI_CONA[17] (cha) and EMI_CONA[16] (chb) */
+ return (sdram_params->emi_set.cona & (1 << (17 - channel))) ? 1 : 0;
+}
+
+static void mem_pll_pre_init(u32 channel)
+{
+ write32(&ch[channel].ddrphy_regs->lpddr2_3, 0x1 << 29 | 0x1 << 25 |
+ 0xf << 16 | 0xffff);
+
+ write32(&ch[channel].ddrphy_regs->lpddr2_4, 0x1 << 29 | 0x1 << 25 |
+ 0xf << 16 | 0xffff);
+
+ /* adjust DQS/DQM phase to get best margin */
+ write32(&ch[channel].ddrphy_regs->selph12, 0x1 << 28 | 0xf << 20 |
+ 0x1 << 12 | 0xf << 4);
+ /* adjust DQ phase to get best margin */
+ write32(&ch[channel].ddrphy_regs->selph13, 0xffffffff << 0);
+ write32(&ch[channel].ddrphy_regs->selph14, 0xffffffff << 0);
+
+ /* fix OCV effect */
+ write32(&ch[channel].ddrphy_regs->selph15, 0x1 << 4 | 0xf << 0);
+
+ /* pll register control by CPU and select internal pipe path */
+ write32(&ch[channel].ddrphy_regs->peri[2], 0x11 << 24 | 0x11 << 16 |
+ 0xff << 8 | 0x11 << 0);
+ write32(&ch[channel].ddrphy_regs->peri[3], 0x11 << 24 | 0x51 << 16 |
+ 0x11 << 8 | 0x11 << 0);
+
+ /* enable clock sync and spm control clock */
+ write32(&ch[channel].ddrphy_regs->mempll_divider, 0x9 << 24 |
+ 0x1 << 15 |
+ 0x2 << 4 |
+ 0x1 << 1 |
+ 0x1 << 0);
+ /* pll2 enable from CPU control */
+ write32(&ch[channel].ddrphy_regs->mempll05_divider, 0x1 << 27);
+
+ /* enable chip top memory clock */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll_divider, 0x1 << 4);
+
+ /* disable C/A and DQ M_CK clock gating */
+ clrbits_le32(&ch[channel].ddrphy_regs->ddrphy_cg_ctrl, 0x1 << 2 |
+ 0x1 << 1);
+
+ /* enable spm control clock */
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll_divider, 0x1 << 15 |
+ 0x1 << 0);
+ /* enable dramc 2X mode */
+ setbits_le32(&ch[channel].ao_regs->ddr2ctl, 1 << 0);
+
+ /* select internal clock path */
+ write32(&ch[channel].ddrphy_regs->peri[0], 0x21 << 24 | 0x27 << 16 |
+ 0x1b << 8 | 0x3 << 0);
+
+ write32(&ch[channel].ddrphy_regs->peri[1], 0x50 << 24 | 0x96 << 16 |
+ 0x6 << 8 | 0x1e << 0);
+
+ /* trigger to make memory clock correct phase */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll_divider, 0x1 << 24 |
+ 0x1 << 7);
+
+ if(channel == CHANNEL_A) {
+ /* select memory clock sync for channel A (internal source) */
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll_divider, 0x1 << 3);
+ }
+}
+
+static void mem_pll_init_set_params(u32 channel)
+{
+ u32 pattern1, pattern2, pattern3;
+ u32 mempll_ic_3_0, mempll_bp_3_0;
+ u32 mempll_fbdiv_6_0, mempll_m4pdiv_1_0;
+ u32 mempll_br_1_0, mempll_bc_1_0, mempll_ir_3_0;
+
+ mempll_fbdiv_6_0 = 0x7 << 16;
+ mempll_br_1_0 = 0x1 << 10;
+ mempll_bc_1_0 = 0x0 << 8;
+ mempll_ir_3_0 = 0xc << 28;
+ mempll_ic_3_0 = 0x6 << 8;
+ mempll_bp_3_0 = 0x1 << 12;
+ mempll_m4pdiv_1_0 = 0x0 << 28;
+
+ write32(&ch[channel].ddrphy_regs->mempll[14], 0x0);
+
+ write32(&ch[channel].ddrphy_regs->mempll[3], 0x3 << 30 |
+ 0x1 << 28);
+ /* mempll 2 config */
+ pattern1 = mempll_ir_3_0 | mempll_fbdiv_6_0 | mempll_ic_3_0;
+ pattern2 = mempll_m4pdiv_1_0;
+ pattern3 = mempll_bp_3_0 | mempll_br_1_0 | mempll_bc_1_0;
+
+ /* mempll2_autok_en = 1, mempll2_autok_load = 1 */
+ write32(&ch[channel].ddrphy_regs->mempll[5], 0x1 << 26 | 0x3 << 24 |
+ 0x1 << 23 | pattern1);
+ write32(&ch[channel].ddrphy_regs->mempll[6], 0x1 << 30 | 0x3 << 26 |
+ 0x3 << 14 | pattern2);
+ write32(&ch[channel].ddrphy_regs->mempll[7], 0x1 << 17 | 0x1 << 0 |
+ pattern3);
+ /* mempll 4 */
+ write32(&ch[channel].ddrphy_regs->mempll[11], 0x1 << 26 | 0x3 << 24 |
+ 0x1 << 23 | pattern1);
+ write32(&ch[channel].ddrphy_regs->mempll[12], 0x1 << 30 | 0x3 << 26 |
+ 0x3 << 14 | pattern2);
+ write32(&ch[channel].ddrphy_regs->mempll[13], 0x1 << 0 | pattern3);
+
+ /* mempll 3 - enable signal tie together */
+ write32(&ch[channel].ddrphy_regs->mempll[8], 0x1 << 26 | 0x3 << 24 |
+ 0x1 << 23 | pattern1);
+ write32(&ch[channel].ddrphy_regs->mempll[9], 0x1 << 30 | 0x3 << 26 |
+ 0x3 << 14 | pattern2);
+ write32(&ch[channel].ddrphy_regs->mempll[10], 0x1 << 17 | 0x1 << 0 |
+ pattern3);
+}
+
+static void mem_pll_init_phase_sync(u32 channel)
+{
+ write32(&ch[channel].ddrphy_regs->mempll_divider, BIT(27) | BIT(24) |
+ BIT(7) | BIT(5) |
+ BIT(4) | BIT(0));
+ /* spm control clock enable */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->mempll_divider, BIT(0),
+ BIT(1));
+
+ clrsetbits_le32(&ch[channel].ddrphy_regs->mempll_divider, BIT(1),
+ BIT(0));
+}
+
+static void pll_phase_adjust(u32 channel, struct mem_pll *mempll, int reg_offs)
+{
+ switch (mempll->phase) {
+
+ case MEMPLL_INIT:
+ /* initial phase: zero out RG_MEPLL(2,3,4)_(REF_DL,FB)_DL */
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[reg_offs],
+ 0x1f << MEMPLL_REF_DL_SHIFT |
+ 0x1f << MEMPLL_FB_DL_SHIFT);
+ break;
+
+ case MEMPLL_REF_LAG:
+ /* REF lag FBK, delay FBK */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->mempll[reg_offs],
+ 0x1f << MEMPLL_REF_DL_SHIFT |
+ 0x1f << MEMPLL_FB_DL_SHIFT,
+ mempll->delay << MEMPLL_FB_DL_SHIFT);
+ break;
+
+ case MEMPLL_REF_LEAD:
+ /* REF lead FBK, delay REF */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->mempll[reg_offs],
+ 0x1f << MEMPLL_REF_DL_SHIFT |
+ 0x1f << MEMPLL_FB_DL_SHIFT,
+ mempll->delay << MEMPLL_REF_DL_SHIFT);
+ };
+}
+
+static void pll_phase_check(u32 channel, struct mem_pll *mempll, int idx)
+{
+ u32 value = read32(&ch[channel].ddrphy_regs->jmeter_pll_st[idx]);
+ u16 one_count = (u16)((value >> 16) & 0xffff);
+ u16 zero_count = (u16)(value & 0xffff);
+
+ dramc_dbg_msg("PLL %d, phase %d, one_count %d, zero_count %d\n",
+ (idx + 2), mempll->phase, one_count, zero_count);
+
+ switch (mempll->phase) {
+
+ case MEMPLL_INIT:
+ if ((one_count - zero_count) > JMETER_COUNT_N) {
+ /* REF lag FBK */
+ mempll->phase = MEMPLL_REF_LAG;
+ mempll->delay++;
+ } else if ((zero_count - one_count) > JMETER_COUNT_N) {
+ /* REF lead FBK */
+ mempll->phase = MEMPLL_REF_LEAD;
+ mempll->delay++;
+ } else {
+ /* in-phase at initial */
+ mempll->done = 1;
+ }
+ break;
+
+ case MEMPLL_REF_LAG:
+ if (JMETER_COUNT_N >= (one_count - zero_count)) {
+ mempll->done = 1;
+ } else {
+ mempll->delay++;
+ }
+ break;
+
+ case MEMPLL_REF_LEAD:
+ if (JMETER_COUNT_N >= (zero_count - one_count)) {
+ mempll->done = 1;
+ } else {
+ mempll->delay++;
+ }
+ }
+}
+
+static void mem_pll_phase_cali(u32 channel)
+{
+ u32 i;
+
+ struct mem_pll mempll[3] =
+ {
+ {0, 0, 0},
+ {0, 0, 0},
+ {0, 0, 0},
+ };
+
+ dramc_dbg_msg("[PLL_Phase_Calib] ===== PLL Phase Calibration: ");
+ dramc_dbg_msg("CHANNEL %d (0: CHA, 1: CHB) =====\n", channel);
+
+ /* 1. set jitter meter count number to 1024 for mempll 2 3 4 */
+ for (i = 0; i < 3; i++)
+ clrsetbits_le32(&ch[channel].ddrphy_regs->jmeter[i],
+ JMETER_COUNTER_MASK,
+ JMETER_COUNT << JMETER_COUNTER_SHIFT);
+
+ while (1) {
+
+ for (i = 0; i < 3; i++) {
+ if (!mempll[i].done) {
+ pll_phase_adjust(channel, &mempll[i], (i + 2) * 3);
+ }
+ }
+
+ udelay(20); /* delay 20us for external loop pll stable */
+
+ /* 2. enable mempll 2 3 4 jitter meter */
+ for (i = 0; i < 3; i++)
+ setbits_le32(&ch[channel].ddrphy_regs->jmeter[i],
+ JMETER_EN_BIT);
+
+ /* 3. wait for jitter meter complete */
+ udelay(JMETER_WAIT_DONE_US);
+
+ /* 4. check jitter meter counter value for mempll 2 3 4 */
+ for (i = 0; i < 3; i++) {
+ if (!mempll[i].done) {
+ pll_phase_check(channel, &mempll[i], i);
+ }
+ }
+
+ /* 5. disable mempll 2 3 4 jitter meter */
+ for (i = 0; i < 3; i++)
+ clrbits_le32(&ch[channel].ddrphy_regs->jmeter[i],
+ JMETER_EN_BIT);
+
+ /* 6. all done early break */
+ if (mempll[0].done && mempll[1].done && mempll[2].done)
+ break;
+
+ /* 7. delay line overflow break */
+ for (i = 0; i < 3; i++) {
+ if(mempll[i].delay >= 32) {
+ die("MEMPLL calibration fail\n");
+ }
+ }
+ }
+
+ dramc_dbg_msg("pll done: ");
+
+ dramc_dbg_msg("%d, %d, %d\n",
+ mempll[0].done, mempll[1].done, mempll[2].done);
+ dramc_dbg_msg("pll dl: %d, %d, %d\n",
+ mempll[0].delay, mempll[1].delay, mempll[2].delay);
+}
+
+void mem_pll_init(const struct mt8173_sdram_params *sdram_params)
+{
+ u32 channel;
+
+ /* udelay waits for PLL to stabilize in this function */
+ printk(BIOS_DEBUG, "[PLL] mempll_init and cali\n");
+
+ /* mempll pre_init for two channels */
+ for (channel = 0; channel < CHANNEL_NUM; channel++)
+ mem_pll_pre_init(channel);
+
+ /* only set once in MPLL */
+ mt_mem_pll_config_pre(sdram_params);
+
+ for (channel = 0; channel < CHANNEL_NUM; channel++)
+ mem_pll_init_set_params(channel);
+
+ udelay(1); /* wait after da_mpll_sdm_iso_en goes low */
+
+ /* only set once in MPLL */
+ mt_mem_pll_config_post();
+
+ udelay(100);
+
+ for (channel = 0; channel < CHANNEL_NUM; channel++) {
+
+ /* mempll_bias_en */
+ write32(&ch[channel].ddrphy_regs->mempll[3], 0xd << 28 |
+ 0x1 << 6);
+ udelay(2);
+
+ /* mempll2_en -> mempll4_en -> mempll3_en */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[5], 1 << 0);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[11], 1 << 0);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[8], 1 << 0);
+
+ udelay(100);
+
+ /* mempll_bias_lpf_en */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[3], 1 << 7);
+
+ udelay(30);
+
+ /* select mempll4 band register */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[4], 1 << 26);
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[4], 1 << 26);
+
+ /* PLL ready */
+
+ /* disable mempll2_en -> mempll4_en -> mempll3_en */
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[5], 1 << 0);
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[11], 1 << 0);
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[8], 1 << 0);
+
+ /* disable autok mempll2_en -> mempll4_en -> mempll3_en */
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[5], 1 << 23);
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[11], 1 << 23);
+ clrbits_le32(&ch[channel].ddrphy_regs->mempll[8], 1 << 23);
+
+ udelay(1);
+
+ /* mempll[2->4->3]_fb_mck_sel=1 (switch to outer loop) */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[6], 1 << 25);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[12], 1 << 25);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[9], 1 << 25);
+
+ udelay(1);
+
+ /* enable mempll2_en -> mempll4_en -> mempll3_en */
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[5], 1 << 0);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[11], 1 << 0);
+ setbits_le32(&ch[channel].ddrphy_regs->mempll[8], 1 << 0);
+ }
+
+ /* mempll new power-on */
+ write32(&mt8173_spm->poweron_config_set, 0x1 << 0 |
+ SPM_PROJECT_CODE << 16);
+ /* request mempll reset/pdn mode */
+ setbits_le32(&mt8173_spm->power_on_val0, 0x1 << 27);
+
+ udelay(2);
+
+ /* unrequest mempll reset/pdn mode and wait settle */
+ clrbits_le32(&mt8173_spm->power_on_val0, 0x1 << 27);
+
+ udelay(31); /* PLL ready */
+
+ for (channel = 0; channel < CHANNEL_NUM; channel++)
+ mem_pll_init_phase_sync(channel);
+
+ udelay(1);
+
+ /* mempll calibration for two channels */
+ for (channel = 0; channel < CHANNEL_NUM; channel++)
+ mem_pll_phase_cali(channel);
+
+ div2_phase_sync(); /* phase sync for channel B */
+
+ mt_mem_pll_mux();
+}
+
+void dramc_pre_init(u32 channel, const struct mt8173_sdram_params *sdram_params)
+{
+ /* txdly_cs, txdly_cs1 */
+ write32(&ch[channel].ao_regs->selph1, 0x0);
+ /* txdly_dqsgate, txdly_dqsgate_p1 */
+ write32(&ch[channel].ao_regs->selph2, 0x3 << 20 | 0x2 << 12);
+ /* txldy_ra* */
+ write32(&ch[channel].ao_regs->selph3, 0x0);
+ /* txldy_ra* */
+ write32(&ch[channel].ao_regs->selph4, 0x0);
+
+ /* setting of write latency (WL=8) */
+ write32(&ch[channel].ao_regs->selph7, 0x3333 << 16 | 0x3333);
+ write32(&ch[channel].ao_regs->selph8, 0x3333 << 16 | 0x3333);
+ write32(&ch[channel].ao_regs->selph9, 0x3333 << 16 | 0x3333);
+ write32(&ch[channel].ao_regs->selph10, 0x5555 << 16 | 0xffff);
+ write32(&ch[channel].ao_regs->selph11, 0x55 << 16 | 0xff);
+
+ write32(&ch[channel].ao_regs->selph5, 0x1 << 26 | 0x2 << 22 |
+ 0x1 << 20 | 0x5 << 16 |
+ 0x5555);
+
+ write32(&ch[channel].ao_regs->selph6_1, 0x4 << 8 | 0x3 << 4 |
+ 0x2 << 0);
+
+ write32(&ch[channel].ao_regs->ac_time_05t,
+ sdram_params->ac_timing.actim05t);
+}
+
+static void mrs_write(int channel, int rank, u32 mrs_value, unsigned int dly)
+{
+ write32(&ch[channel].ao_regs->mrs, rank << 28 | mrs_value);
+
+ write32(&ch[channel].ao_regs->spcmd, 0x1);
+ udelay(dly);
+ write32(&ch[channel].ao_regs->spcmd, 0x0);
+}
+
+static void dramc_set_mrs_value(int channel, int rank,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ /* MR63 -> Reset, Wait >=10us if not check DAI */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_63, 10);
+ /* MR10 -> ZQ Init, tZQINIT>=1us */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_10, 1);
+ /* MR3 driving stregth set to max */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_3, 1);
+ /* MR1 */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_1, 1);
+ /* MR2 */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_2, 1);
+ /* MR11 ODT disable */
+ mrs_write(channel, rank, sdram_params->mrs_set.mrs_11, 1);
+}
+
+void dramc_init(u32 channel, const struct mt8173_sdram_params *sdram_params)
+{
+ u32 bit, dual_rank_set;
+
+ const struct mt8173_calib_params *calib_params;
+
+ dual_rank_set = is_dual_rank(channel, sdram_params);
+ calib_params = &sdram_params->calib_params;
+
+ write32(&ch[channel].ddrphy_regs->peri[2], 0x1 << 12 |
+ 0x1 << 4);
+
+ write32(&ch[channel].ddrphy_regs->peri[3], 0x0);
+
+ write32(&ch[channel].ao_regs->test2_4,
+ sdram_params->ac_timing.test2_4);
+
+ write32(&ch[channel].ao_regs->clk1delay, 0x1 << 23 |
+ 0x1 << 22 |
+ 0x1 << 21);
+
+ /* rank config */
+ assert((sdram_params->ac_timing.rkcfg & 0x1) == dual_rank_set);
+ write32(&ch[channel].ao_regs->rkcfg,
+ sdram_params->ac_timing.rkcfg);
+
+ /* pimux */
+ write32(&ch[channel].ao_regs->mckdly, 0x1 << 30 |
+ 0x1 << 20 |
+ 0x1 << 4);
+
+ write32(&ch[channel].ddrphy_regs->mckdly, 0x1 << 8);
+
+ write32(&ch[channel].ao_regs->padctl4, 0x1 << 0);
+
+ /* tCKEH/tCKEL extend 1T */
+ write32(&ch[channel].ao_regs->dummy, 0x1 << 31 |
+ 0x3 << 10 |
+ 0x1 << 4);
+
+ /* driving control */
+ write32(&ch[channel].ao_regs->iodrv6, DEFAULT_DRIVING |
+ DRIVING_DS2_0 << 20 |
+ DRIVING_DS2_0 << 4);
+
+ write32(&ch[channel].ddrphy_regs->drvctl1, DEFAULT_DRIVING |
+ DRIVING_DS2_0 << 20);
+
+ write32(&ch[channel].ao_regs->drvctl1, DEFAULT_DRIVING |
+ DRIVING_DS2_0 << 4);
+
+ /* enable dqs signal output */
+ write32(&ch[channel].ddrphy_regs->ioctl, 0x0);
+
+ /* rank 0 dqs gating delay */
+ write32(&ch[channel].ao_regs->dqsien[0], 0x40 << 24 |
+ 0x40 << 16 |
+ 0x40 << 8 |
+ 0x40 << 0);
+
+ write32(&ch[channel].ao_regs->dqsctl1, 0x1 << 28 |
+ 0x5 << 24);
+
+ write32(&ch[channel].ao_regs->dqsctl2, 0x5 << 0);
+ write32(&ch[channel].ao_regs->phyctl1, 0x1 << 25);
+ write32(&ch[channel].ao_regs->gddr3ctl1, 0x1 << 24);
+ write32(&ch[channel].ddrphy_regs->gddr3ctl1, 0x1 << 28);
+ write32(&ch[channel].ao_regs->arbctl0, 0x80 << 0);
+
+ /* enable clock pad 0 */
+ write32(&ch[channel].ao_regs->clkctl, 0x1 << 28);
+
+ udelay(1);
+
+ write32(&ch[channel].ao_regs->conf1,
+ sdram_params->ac_timing.conf1);
+
+ write32(&ch[channel].ddrphy_regs->dqsgctl, 0x1 << 31 |
+ 0x1 << 30 |
+ 0x1 << 4 |
+ 0x1 << 0);
+
+ write32(&ch[channel].ao_regs->dqscal0, 0x0);
+ write32(&ch[channel].ddrphy_regs->dqscal0, 0x0);
+
+ write32(&ch[channel].ao_regs->actim0,
+ sdram_params->ac_timing.actim);
+
+ write32(&ch[channel].ao_regs->misctl0,
+ sdram_params->ac_timing.misctl0);
+ write32(&ch[channel].ddrphy_regs->misctl0,
+ sdram_params->ac_timing.misctl0);
+
+ write32(&ch[channel].ao_regs->perfctl0, 0x1 << 20);
+
+ write32(&ch[channel].ao_regs->ddr2ctl,
+ sdram_params->ac_timing.ddr2ctl);
+ write32(&ch[channel].ddrphy_regs->ddr2ctl,
+ sdram_params->ac_timing.ddr2ctl);
+
+ write32(&ch[channel].ao_regs->misc, 0xb << 8 |
+ 0x1 << 7 |
+ 0x1 << 6 |
+ 0x1 << 5);
+
+ write32(&ch[channel].ao_regs->dllconf, 0xf << 28 |
+ 0x1 << 24);
+
+ write32(&ch[channel].ao_regs->actim1,
+ sdram_params->ac_timing.actim1);
+
+ write32(&ch[channel].ddrphy_regs->dqsisel, 0x0);
+
+ /* disable ODT before ZQ calibration */
+ write32(&ch[channel].ao_regs->wodt, 0x1 << 0);
+
+ write32(&ch[channel].ao_regs->padctl4, 0x1 << 2 |
+ 0x1 << 0);
+
+ udelay(200); /* tINIT3 > 200us */
+
+ write32(&ch[channel].ao_regs->gddr3ctl1, 0x1 << 24 |
+ 0x1 << 20);
+
+ write32(&ch[channel].ddrphy_regs->gddr3ctl1, 0x1 << 28);
+
+ /* set mode register value */
+ dramc_set_mrs_value(channel, 0, sdram_params);
+
+ if (dual_rank_set)
+ dramc_set_mrs_value(channel, 1, sdram_params);
+
+ write32(&ch[channel].ao_regs->gddr3ctl1,
+ sdram_params->ac_timing.gddr3ctl1);
+ write32(&ch[channel].ddrphy_regs->gddr3ctl1,
+ sdram_params->ac_timing.gddr3ctl1);
+
+ write32(&ch[channel].ao_regs->dramc_pd_ctrl,
+ sdram_params->ac_timing.pd_ctrl);
+
+ write32(&ch[channel].ao_regs->padctl4, 0x1 << 0);
+ write32(&ch[channel].ao_regs->perfctl0, 0x1 << 20 | 0x1 << 0);
+ write32(&ch[channel].ao_regs->zqcs, 0xa << 8 | 0x56 << 0);
+ write32(&ch[channel].ddrphy_regs->padctl1, 0x0);
+
+ write32(&ch[channel].ao_regs->test2_3,
+ sdram_params->ac_timing.test2_3);
+
+ write32(&ch[channel].ao_regs->conf2,
+ sdram_params->ac_timing.conf2);
+
+ write32(&ch[channel].ddrphy_regs->padctl2, 0x0);
+
+ /* DISABLE_DRVREF */
+ write32(&ch[channel].ao_regs->ocdk, 0x0);
+ write32(&ch[channel].ddrphy_regs->ocdk, 0x0);
+
+ write32(&ch[channel].ao_regs->r1deldly, 0x12 << 24 |
+ 0x12 << 16 |
+ 0x12 << 8 |
+ 0x12 << 0);
+
+ write32(&ch[channel].ao_regs->padctl7, 0x0);
+
+ /* CLKTDN, DS0TDN, DS1TDN, DS2TDN, DS3TDN */
+ setbits_le32(&ch[channel].ddrphy_regs->tdsel[2], 0x1 << 31 |
+ 0x1 << 29 |
+ 0x1 << 27 |
+ 0x1 << 25 |
+ 0x1 << 1);
+ /* DISABLE_PERBANK_REFRESH */
+ clrbits_le32(&ch[channel].ao_regs->rkcfg, 0x1 << 7);
+
+ /* clear R_DMREFTHD to reduce MR4 wait refresh queue time */
+ clrbits_le32(&ch[channel].ao_regs->conf2, 0x7 << 24);
+
+ /* duty default value */
+ write32(&ch[channel].ddrphy_regs->phyclkduty, 0x1 << 28 |
+ 0x1 << 16);
+
+ if (!dual_rank_set) {
+ /* single rank, CKE1 always off */
+ setbits_le32(&ch[channel].ao_regs->gddr3ctl1, 0x1 << 21);
+ }
+
+ /* default dqs rx perbit input delay */
+ write32(&ch[channel].ao_regs->r0deldly,
+ calib_params->rx_dqs_dly[channel]);
+
+ write32(&ch[channel].ao_regs->r1deldly,
+ calib_params->rx_dqs_dly[channel]);
+
+ for (bit = 0; bit < DQS_BIT_NUMBER; bit++)
+ write32(&ch[channel].ao_regs->dqidly[bit],
+ calib_params->rx_dq_dly[channel][bit]);
+}
+
+void div2_phase_sync(void)
+{
+ clrbits_le32(&ch[CHANNEL_B].ddrphy_regs->mempll_divider,
+ 1 << MEMCLKENB_SHIFT);
+ udelay(1);
+
+ setbits_le32(&ch[CHANNEL_B].ddrphy_regs->mempll_divider,
+ 1 << MEMCLKENB_SHIFT);
+}
+
+void dramc_phy_reset(u32 channel)
+{
+ /* reset phy */
+ setbits_le32(&ch[channel].ddrphy_regs->phyctl1,
+ 1 << PHYCTL1_PHYRST_SHIFT);
+
+ /* read data counter reset */
+ setbits_le32(&ch[channel].ao_regs->gddr3ctl1,
+ 1 << GDDR3CTL1_RDATRST_SHIFT);
+
+ udelay(1); /* delay 1ns */
+
+ clrbits_le32(&ch[channel].ao_regs->gddr3ctl1,
+ 1 << GDDR3CTL1_RDATRST_SHIFT);
+
+ clrbits_le32(&ch[channel].ddrphy_regs->phyctl1,
+ 1 << PHYCTL1_PHYRST_SHIFT);
+}
+
+void dramc_runtime_config(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ /* enable hw gating */
+ setbits_le32(&ch[channel].ao_regs->dqscal0,
+ 1 << DQSCAL0_STBCALEN_SHIFT);
+
+ /* if frequency >1600, tCKE should >7 clk */
+ setbits_le32(&ch[channel].ao_regs->dummy, 0x1 << 4);
+
+ if(sdram_params->dram_freq * 2 < 1600 * MHz)
+ die("set tCKE error in runtime config");
+
+ /* DDRPHY C/A and DQ M_CK clock gating enable */
+ setbits_le32(&ch[channel].ddrphy_regs->ddrphy_cg_ctrl, 0x1 << 2 |
+ 0x1 << 1);
+
+ setbits_le32(&ch[channel].ao_regs->perfctl0, BIT(19) | BIT(14) |
+ BIT(11) | BIT(10) |
+ BIT(9) | BIT(8) |
+ BIT(4) | BIT(0));
+ /* ZQCS_ENABLE */
+ if (sdram_params->emi_set.cona & 0x1) {
+ /* dual channel, clear ZQCSCNT */
+ clrbits_le32(&ch[channel].ao_regs->spcmd, 0xff << 16);
+ /* set ZQCSMASK for different channels */
+ if (channel == CHANNEL_A) {
+ clrbits_le32(&ch[channel].ao_regs->perfctl0, 0x1 << 24);
+ } else {
+ setbits_le32(&ch[channel].ao_regs->perfctl0, 0x1 << 24);
+ }
+ /* enable ZQCSDUAL */
+ setbits_le32(&ch[channel].ao_regs->perfctl0, 0x1 << 25);
+ } else {
+ /* single channel, set ZQCSCNT */
+ setbits_le32(&ch[channel].ao_regs->spcmd, 0x8 << 16);
+ }
+}
+
+void transfer_to_spm_control(void)
+{
+ u32 msk;
+
+ msk = BIT(7) | BIT(11) | BIT(15);
+ clrbits_le32(&mt8173_apmixed->ap_pll_con3, msk);
+
+ msk = BIT(0) | BIT(4) | BIT(8);
+ clrbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[3], msk);
+
+ msk = BIT(0) | BIT(8);
+ clrbits_le32(&ch[CHANNEL_B].ddrphy_regs->peri[3], msk);
+
+ msk = BIT(0) | BIT(9) | BIT(10) | BIT(11) | BIT(16) | BIT(24);
+ clrbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[2], msk);
+ clrbits_le32(&ch[CHANNEL_B].ddrphy_regs->peri[2], msk);
+}
+
+void transfer_to_reg_control(void)
+{
+ u32 val;
+
+ val = BIT(7) | BIT(11) | BIT(15);
+ setbits_le32(&mt8173_apmixed->ap_pll_con3, val);
+
+ val = BIT(0) | BIT(4) | BIT(8);
+ setbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[3], val);
+
+ val = BIT(0) | BIT(8);
+ write32(&ch[CHANNEL_B].ddrphy_regs->peri[3], val);
+
+ val = BIT(0) | BIT(9) | BIT(10) | BIT(11) | BIT(16) | BIT(24);
+ setbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[2], val);
+ setbits_le32(&ch[CHANNEL_B].ddrphy_regs->peri[2], val);
+}
+
+u32 dramc_engine2(u32 channel, enum dram_tw_op wr, u32 test2_1, u32 test2_2,
+ u8 testaudpat, u8 log2loopcount)
+{
+ u32 value;
+
+ if (log2loopcount > 15)
+ die("Invalid loopcount of engine2!");
+
+ /* Disable Test Agent1, Test Agent2 write/read */
+ clrbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST1_EN |
+ CONF2_TEST2R_EN |
+ CONF2_TEST2W_EN);
+
+ /* 1. set pattern, base address, offset address */
+ write32(&ch[channel].nao_regs->test2_1, test2_1);
+ write32(&ch[channel].nao_regs->test2_2, test2_2);
+
+ /* 2. select test pattern */
+ /* TESTXTALKPAT | TESTAUDPAT
+ * ISI 0 | 0
+ * AUD 0 | 1
+ * XTALK 1 | 0
+ * UNKNOW 1 | 1
+ */
+ switch (testaudpat) {
+ case XTALK:
+ /* TESTAUDPAT = 0 */
+ clrbits_le32(&ch[channel].ao_regs->test2_3,
+ TEST2_3_TESTAUDPAT_EN);
+ /* TESTXTALKPAT = 1, select xtalk pattern
+ * TESTAUDMODE = 0, read only
+ * TESTAUDBITINV = 0, no bit inversion
+ */
+ clrsetbits_le32(&ch[channel].ao_regs->test2_4,
+ TEST2_4_TESTAUDBITINV_EN |
+ TEST2_4_TESTAUDMODE_EN,
+ TEST2_4_TESTXTALKPAT_EN);
+ break;
+ case AUDIO:
+ /* TESTAUDPAT = 1 */
+ setbits_le32(&ch[channel].ao_regs->test2_3,
+ TEST2_3_TESTAUDPAT_EN);
+ /* TESTXTALKPAT = 0
+ * TESTAUDINIT = 0x11
+ * TESTAUDINC = 0x0d
+ * TESTAUDBITINV = 1
+ * TESTAUDMODE = 1
+ */
+ clrsetbits_le32(&ch[channel].ao_regs->test2_4,
+ TEST2_4_TESTXTALKPAT_EN |
+ TEST2_4_TESTAUDINIT_MASK |
+ TEST2_4_TESTAUDINC_MASK,
+ TEST2_4_TESTAUDMODE_EN |
+ TEST2_4_TESTAUDBITINV_EN |
+ 0x11 << TEST2_4_TESTAUDINIT_SHIFT |
+ 0xd << TEST2_4_TESTAUDINC_SHIFT);
+
+ break;
+ case ISI:
+ /* TESTAUDPAT = 0 */
+ clrbits_le32(&ch[channel].ao_regs->test2_3,
+ TEST2_3_TESTAUDPAT_EN);
+ /* TESTXTALKPAT = 0 */
+ clrbits_le32(&ch[channel].ao_regs->test2_4,
+ TEST2_4_TESTXTALKPAT_EN);
+ }
+
+ /* 3. set loop number */
+ clrsetbits_le32(&ch[channel].ao_regs->test2_3, TEST2_3_TESTCNT_MASK,
+ log2loopcount << TEST2_3_TESTCNT_SHIFT);
+
+ /* 4. enable read/write test */
+ if (wr == TE_OP_READ_CHECK) {
+ if ((testaudpat == 1) || (testaudpat == 2)) {
+ /* if audio pattern, enable read only */
+ /* (disable write after read), */
+ /* AUDMODE=0x48[15]=0 */
+ clrbits_le32(&ch[channel].ao_regs->test2_4,
+ TEST2_4_TESTAUDMODE_EN);
+ }
+
+ /* enable read, 0x008[30:30] */
+ setbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST2R_EN);
+ } else if (wr == TE_OP_WRITE_READ_CHECK) {
+ /* enable write, 0x008[31:31] */
+ setbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST2W_EN);
+
+ /* check "read data compare ready" bit */
+ do {
+ value = read32(&ch[channel].nao_regs->testrpt);
+ } while ((value & (1 << TESTRPT_DM_CMP_CPT_SHIFT)) == 0);
+
+ /* Disable Test Agent2 write and enable Test Agent2 read */
+ clrbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST2W_EN);
+ setbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST2R_EN);
+ }
+
+ /* 5 check "read data compare ready" bit */
+ do {
+ value = read32(&ch[channel].nao_regs->testrpt);
+ } while ((value & (1 << TESTRPT_DM_CMP_CPT_SHIFT)) == 0);
+
+ /* delay 10ns after ready check from DE suggestion (1us here) */
+ udelay(1);
+
+ /* read CMP_ERR result */
+ value = read32(&ch[channel].nao_regs->cmp_err);
+
+ /* 6 disable read */
+ clrbits_le32(&ch[channel].ao_regs->conf2, CONF2_TEST2R_EN);
+
+ /* return CMP_ERR result, pass: 0, failure: otherwise */
+ return value;
+}
diff --git a/src/soc/mediatek/mt8173/dramc_pi_calibration_api.c b/src/soc/mediatek/mt8173/dramc_pi_calibration_api.c
new file mode 100644
index 0000000000..1237b2e0ba
--- /dev/null
+++ b/src/soc/mediatek/mt8173/dramc_pi_calibration_api.c
@@ -0,0 +1,1150 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <delay.h>
+#include <boardid.h>
+#include <arch/io.h>
+#include <stdlib.h>
+#include <soc/addressmap.h>
+#include <soc/dramc_common.h>
+#include <soc/dramc_register.h>
+#include <soc/dramc_pi_api.h>
+#include <soc/emi.h>
+
+static u8 opt_gw_coarse_value[CHANNEL_NUM][DUAL_RANKS];
+static u8 opt_gw_fine_value[CHANNEL_NUM][DUAL_RANKS];
+static s8 wrlevel_dqs_dly[CHANNEL_NUM][DQS_NUMBER];
+
+void sw_impedance_cal(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u32 mask, value;
+
+ const struct mt8173_calib_params *params = &sdram_params->calib_params;
+
+ dramc_dbg_msg("[Imp Calibration] DRVP:%d\n", params->impedance_drvp);
+ dramc_dbg_msg("[Imp Calibration] DRVN:%d\n", params->impedance_drvn);
+
+ mask = 0xf << 28 | 0xf << 24 | 0xf << 12 | 0xf << 8; /* driving */
+
+ value = params->impedance_drvp << 28 | params->impedance_drvn << 24 |
+ params->impedance_drvp << 12 | params->impedance_drvn << 8;
+
+ /* DQS and DQ */
+ clrsetbits_le32(&ch[channel].ao_regs->iodrv6, mask, value);
+ /* CLK and CMD */
+ clrsetbits_le32(&ch[channel].ao_regs->drvctl1, mask, value);
+ clrsetbits_le32(&ch[channel].ddrphy_regs->drvctl1, mask, value);
+ /* DQ_2 and CMD_2 */
+ clrsetbits_le32(&ch[channel].ao_regs->iodrv4, mask, value);
+ /* disable impcal calibration */
+ clrbits_le32(&ch[channel].ao_regs->impcal, 1 << IMP_CALI_ENP_SHIFT |
+ 1 << IMP_CALI_ENN_SHIFT |
+ 1 << IMP_CALI_EN_SHIFT |
+ 0xf << IMP_CALI_DRVP_SHIFT |
+ 0xf << IMP_CALI_DRVN_SHIFT);
+}
+
+void ca_training(u32 channel, const struct mt8173_sdram_params *sdram_params)
+{
+ const struct mt8173_calib_params *params = &sdram_params->calib_params;
+
+ u32 i, ca_shift_avg32 = 0;
+ s8 ca_max_center, ca_shift_avg8 = 0, order, ca_shift[CATRAINING_NUM];
+
+ s8 shift[CATRAINING_NUM] = {
+ CMDDLY0_RA2_SHIFT, CMDDLY1_RA7_SHIFT, CMDDLY3_BA0_SHIFT,
+ CMDDLY3_BA1_SHIFT, CMDDLY3_BA2_SHIFT, CMDDLY4_RAS_SHIFT,
+ CMDDLY4_CAS_SHIFT, CMDDLY5_RA13_SHIFT, CMDDLY5_WE_SHIFT
+ };
+
+ s8 ca_order[CHANNEL_NUM][CATRAINING_NUM] = {
+ { 7, 5, 6, 1, 3, 0, 9, 8, 2, 4},
+ { 2, 0, 3, 7, 5, 9, 4, 1, 6, 8}
+ };
+
+ s8 cmd_order[CATRAINING_NUM] = {
+ 0, 1, 3, 3, 3, 4, 4, 5, 5
+ };
+
+ for(i = 0; i < CATRAINING_NUM; i++) {
+ ca_shift[i] = params->ca_train[channel][i];
+ ca_shift_avg8 += ca_shift[i];
+ }
+
+ /* CA pins align the center */
+ ca_max_center = params->ca_train_center[channel];
+
+ /* set CA pins output delay */
+ for (i = 0; i < (CATRAINING_NUM - 1); i++) {
+ order = ca_order[channel][i];
+ clrsetbits_le32(&ch[channel].ddrphy_regs->cmddly[cmd_order[i]],
+ 0xf << shift[i], ca_shift[order] << shift[i]);
+ }
+
+ order = ca_order[channel][9];
+ clrsetbits_le32(&ch[channel].ddrphy_regs->dqscal0,
+ 0xf << DQSCAL0_RA14_SHIFT,
+ ca_shift[order] << DQSCAL0_RA14_SHIFT);
+
+ /* CKE and CS delay */
+ ca_shift_avg32 = (u32)(ca_shift_avg8 + (CATRAINING_NUM >> 1));
+ ca_shift_avg32 /= (u32) CATRAINING_NUM;
+
+ /* CKEDLY */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->cmddly[4],
+ 0x1f << CMDDLY4_CS_SHIFT |
+ 0x1f << CMDDLY4_CKE_SHIFT,
+ ca_shift_avg32 << CMDDLY4_CS_SHIFT |
+ ca_shift_avg32 << CMDDLY4_CKE_SHIFT);
+
+ /* CKE1DLY */
+ clrsetbits_le32(&ch[channel].ao_regs->dqscal1,
+ 0x1f << DQSCAL1_CKE1_SHIFT,
+ ca_shift_avg32 << DQSCAL1_CKE1_SHIFT);
+
+ /* CS1DLY */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->padctl1,
+ 0xf << PADCTL1_CS1_SHIFT,
+ ca_shift_avg32 << PADCTL1_CS1_SHIFT);
+
+ /* set max center into clk output delay */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->padctl1,
+ 0xf << PADCTL1_CLK_SHIFT,
+ ca_max_center << PADCTL1_CLK_SHIFT);
+
+ dramc_dbg_msg("=========================================\n");
+ dramc_dbg_msg(" [Channel %d] CA training\n", channel);
+ dramc_dbg_msg("=========================================\n");
+
+ for (i = 0; i < CATRAINING_NUM; i++)
+ dramc_dbg_msg("[CA] CA %d\tShift %d\n", i, ca_shift[i]);
+
+ dramc_dbg_msg("[CA] Reg CMDDLY4 = %xh\n",
+ read32(&ch[channel].ddrphy_regs->cmddly[4]));
+ dramc_dbg_msg("[CA] Reg DQSCAL1 = %xh\n",
+ read32(&ch[channel].ao_regs->dqscal1));
+ dramc_dbg_msg("[CA] Reg PADCTL1 = %xh\n",
+ read32(&ch[channel].ddrphy_regs->padctl1));
+}
+
+void write_leveling(u32 channel, const struct mt8173_sdram_params *sdram_params)
+{
+ u8 i, byte_i;
+ u32 value;
+
+ for (i = 0; i < DQS_NUMBER; i++)
+ wrlevel_dqs_dly[channel][i] =
+ sdram_params->calib_params.wr_level[channel][i];
+ /* DQS */
+ value = 0;
+ for (i = 0; i < DQS_NUMBER; i++) {
+ value += ((u32)wrlevel_dqs_dly[channel][i]) << (4 * i);
+ }
+ write32(&ch[channel].ddrphy_regs->padctl3, value);
+
+ /* DQM */
+ clrsetbits_le32(&ch[channel].ddrphy_regs->padctl2, MASK_PADCTL2_32BIT,
+ (value << PADCTL2_SHIFT) & MASK_PADCTL2_32BIT);
+
+ /* DQ */
+ for (byte_i = 0; byte_i < DQS_NUMBER; byte_i++) {
+ value = 0;
+ for (i = 0; i < DQS_BIT_NUMBER; i++) {
+ s8 val = wrlevel_dqs_dly[channel][byte_i];
+ value += (((u32)val) << (4 * i));
+ }
+ write32(&ch[channel].ddrphy_regs->dqodly[byte_i], value);
+ }
+
+ dramc_dbg_msg("========================================\n");
+ dramc_dbg_msg("[Channel %d] dramc_write_leveling_swcal\n", channel);
+ dramc_dbg_msg("========================================\n");
+
+ dramc_dbg_msg("[WL] DQS: %#x",
+ read32(&ch[channel].ddrphy_regs->padctl3));
+ dramc_dbg_msg("[WL] DQM: %#x\n",
+ read32(&ch[channel].ddrphy_regs->padctl2));
+
+ for (byte_i = 0; byte_i < DQS_NUMBER; byte_i++)
+ dramc_dbg_msg("[WL] DQ byte%d: %#x\n", byte_i,
+ read32(&ch[channel].ddrphy_regs->dqodly[byte_i]));
+}
+
+static void set_gw_coarse_factor(u32 channel, u8 curr_val)
+{
+ u8 curr_val_p1, selph2_dqsgate, selph2_dqsgate_p1;
+
+ u32 coarse_tune_start = curr_val >> 2;
+
+ if (coarse_tune_start > 3) {
+ coarse_tune_start -= 3;
+ } else {
+ if (coarse_tune_start) {
+ coarse_tune_start = 1;
+ }
+ }
+
+ if (coarse_tune_start > 15) {
+ coarse_tune_start = 15;
+ }
+
+ curr_val_p1 = curr_val + 2; /* diff is 0.5T */
+
+ /* Rank 0 P0/P1 coarse tune settings */
+ clrsetbits_le32(&ch[channel].ao_regs->dqsctl1,
+ 0xf << DQSCTL1_DQSINCTL_SHIFT,
+ coarse_tune_start << DQSCTL1_DQSINCTL_SHIFT &
+ 0xf << DQSCTL1_DQSINCTL_SHIFT);
+
+ /* DQSINCTL does not have P1. */
+ /* Need to use TXDLY_DQSGATE/TXDLY_DQSGATE_P1 to set */
+ /* different 1 M_CK coarse tune values for P0 & P1. */
+ selph2_dqsgate = (curr_val >> 2) - coarse_tune_start;
+ selph2_dqsgate_p1 = (curr_val_p1 >> 2) - coarse_tune_start;
+
+ clrsetbits_le32(&ch[channel].ao_regs->selph2,
+ 0x7 << SELPH2_TXDLY_DQSGATE_SHIFT |
+ 0x7 << SELPH2_TXDLY_DQSGATE_P1_SHIFT,
+ selph2_dqsgate << SELPH2_TXDLY_DQSGATE_SHIFT |
+ selph2_dqsgate_p1 << SELPH2_TXDLY_DQSGATE_P1_SHIFT);
+
+ /* dly_DQSGATE and dly_DQSGATE_P1 */
+ clrsetbits_le32(&ch[channel].ao_regs->selph5,
+ 0x3 << SELPH5_DLY_DQSGATE_SHIFT |
+ 0x3 << SELPH5_DLY_DQSGATE_P1_SHIFT,
+ (curr_val & 0x3) << SELPH5_DLY_DQSGATE_SHIFT |
+ (curr_val_p1 & 0x3) << SELPH5_DLY_DQSGATE_P1_SHIFT);
+}
+
+static void set_gw_fine_factor(u32 channel, u8 curr_val, u8 rank)
+{
+ u32 set = curr_val & (0x7f << DQSIEN_DQS0IEN_SHIFT);
+
+ clrsetbits_le32(&ch[channel].ao_regs->dqsien[rank],
+ 0x7f << DQSIEN_DQS0IEN_SHIFT |
+ 0x7f << DQSIEN_DQS1IEN_SHIFT |
+ 0x7f << DQSIEN_DQS2IEN_SHIFT |
+ 0x7f << DQSIEN_DQS3IEN_SHIFT,
+ set << DQSIEN_DQS0IEN_SHIFT |
+ set << DQSIEN_DQS1IEN_SHIFT |
+ set << DQSIEN_DQS2IEN_SHIFT |
+ set << DQSIEN_DQS3IEN_SHIFT);
+}
+
+static void set_gw_coarse_factor_rank1(u32 channel, u8 curr_val, u8 dqsinctl)
+{
+ u8 curr_val_p1, r1dqsgate, r1dqsgate_p1;
+
+ curr_val_p1 = curr_val + 2; /* diff is 0.5T */
+
+ clrsetbits_le32(&ch[channel].ao_regs->dqsctl2,
+ 0xf << DQSCTL2_DQSINCTL_SHIFT,
+ dqsinctl << DQSCTL2_DQSINCTL_SHIFT);
+
+ /* TXDLY_R1DQSGATE and TXDLY_R1DQSGATE_P1 */
+ r1dqsgate = (curr_val >> 2) - dqsinctl;
+ r1dqsgate_p1 = (curr_val_p1 >> 2) - dqsinctl;
+
+ clrsetbits_le32(&ch[channel].ao_regs->selph6_1,
+ 0x7 << SELPH6_1_TXDLY_R1DQSGATE_SHIFT |
+ 0x7 << SELPH6_1_TXDLY_R1DQSGATE_P1_SHIFT,
+ r1dqsgate << SELPH6_1_TXDLY_R1DQSGATE_SHIFT |
+ r1dqsgate_p1 << SELPH6_1_TXDLY_R1DQSGATE_P1_SHIFT);
+
+ /* dly_R1DQSGATE and dly_R1DQSGATE_P1 */
+ clrsetbits_le32(&ch[channel].ao_regs->selph6_1,
+ 0x3 << SELPH6_1_DLY_R1DQSGATE_SHIFT |
+ 0x3 << SELPH6_1_DLY_R1DQSGATE_P1_SHIFT,
+ (curr_val & 0x3) << SELPH6_1_DLY_R1DQSGATE_SHIFT |
+ (curr_val_p1 & 0x3) << SELPH6_1_DLY_R1DQSGATE_P1_SHIFT);
+}
+
+static void dqs_gw_counter_reset(u32 channel)
+{
+ /* reset dqs counter (1 to 0) */
+ setbits_le32(&ch[channel].ao_regs->spcmd, 1 << SPCMD_DQSGCNTRST_SHIFT);
+ clrbits_le32(&ch[channel].ao_regs->spcmd, 1 << SPCMD_DQSGCNTRST_SHIFT);
+ dramc_phy_reset(channel);
+}
+
+static int dqs_gw_test(u32 channel)
+{
+ u32 coarse_result01, coarse_result23;
+
+ /* read data counter reset in PHY layer */
+ dqs_gw_counter_reset(channel);
+
+ /* use audio pattern to run the test */
+ dramc_engine2(channel, TE_OP_READ_CHECK, DQS_GW_PATTERN2,
+ DQS_GW_PATTERN1 | DQS_GW_TE_OFFSET, 1, 0);
+
+ /* get coarse result of DQS0, 1, 2, 3 */
+ coarse_result01 = read32(&ch[channel].nao_regs->dqsgnwcnt[0]);
+ coarse_result23 = read32(&ch[channel].nao_regs->dqsgnwcnt[1]);
+
+ if (coarse_result01 == DQS_GW_GOLD_COUNTER_32BIT &&
+ coarse_result23 == DQS_GW_GOLD_COUNTER_32BIT)
+ return 1;
+
+ return 0;
+}
+
+static u8 dqs_gw_fine_tune_calib(u32 channel, u8 fine_val)
+{
+ u8 i, opt_fine_val;
+ s8 gw_ret[3], delta[3] = {0, -16, 16};
+
+ for (i = 0; i < 3; i++) {
+ /* adjust gw fine tune */
+ opt_fine_val = fine_val + delta[i];
+ set_gw_fine_factor(channel, opt_fine_val, 0);
+ /* get gw test result */
+ gw_ret[i] = dqs_gw_test(channel);
+ }
+
+ /* start fine tune adjustment from default fine value */
+ opt_fine_val = fine_val;
+
+ if (gw_ret[0] && gw_ret[1] && gw_ret[2]) {
+ opt_fine_val += ((delta[0] + delta[1] + delta[2]) / 3);
+ }
+ else if (gw_ret[0] && gw_ret[1]) {
+ opt_fine_val += ((delta[0] + delta[1]) / 2);
+ }
+ else if (gw_ret[0] && gw_ret[2]) {
+ opt_fine_val += ((delta[0] + delta[2]) / 2);
+ }
+ else { /* abnormal test result, set to default fine tune value */
+ printk(BIOS_ERR, "[GW] ERROR, No found fine tune!!!\n");
+ }
+
+ return opt_fine_val;
+}
+
+static u8 dqs_gw_coarse_tune_calib(u32 channel, u8 coarse_val)
+{
+ u8 i, opt_coarse_val[3];
+ s8 gw_ret[3], delta[3] = {0, 1, -1};
+
+ for (i = 0; i < 3; i++) {
+ /* adjust gw coarse tune value */
+ opt_coarse_val[i] = coarse_val + delta[i];
+ set_gw_coarse_factor(channel, opt_coarse_val[i]);
+ /* get gw test result */
+ gw_ret[i] = dqs_gw_test(channel);
+ /* judge test result */
+ if (gw_ret[i] != 0)
+ return opt_coarse_val[i];
+ }
+
+ /* abnormal test result, set to default coarse tune value */
+ printk(BIOS_ERR, "[GW] ERROR, No found coarse tune!!!\n");
+
+ return coarse_val;
+}
+
+void rx_dqs_gating_cal(u32 channel, u8 rank,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u8 gw_coarse_val, gw_fine_val;
+
+ /* disable HW gating */
+ clrbits_le32(&ch[channel].ao_regs->dqscal0,
+ 1 << DQSCAL0_STBCALEN_SHIFT);
+ /* enable DQS gating window counter */
+ setbits_le32(&ch[channel].ao_regs->dqsctl1,
+ 1 << DQSCTL1_DQSIENMODE_SHIFT);
+ setbits_le32(&ch[channel].ao_regs->spcmd,
+ 1 << SPCMD_DQSGCNTEN_SHIFT);
+ /* dual-phase DQS clock gating control enabling */
+ setbits_le32(&ch[channel].ddrphy_regs->dqsgctl,
+ 1 << DQSGCTL_DQSGDUALP_SHIFT);
+
+ /* gating calibration value */
+ gw_coarse_val = sdram_params->calib_params.gating_win[channel][rank][0];
+ gw_fine_val = sdram_params->calib_params.gating_win[channel][rank][1];
+
+ dramc_dbg_msg("****************************************************\n");
+ dramc_dbg_msg("Channel %d Rank %d DQS GW Calibration\n", channel, rank);
+ dramc_dbg_msg("Default (coarse, fine) tune value %d, %d.\n",
+ gw_coarse_val, gw_fine_val);
+ dramc_dbg_msg("****************************************************\n");
+
+ /* set default coarse and fine value */
+ set_gw_coarse_factor(channel, gw_coarse_val);
+ set_gw_fine_factor(channel, gw_fine_val, 0);
+
+ /* adjust gw coarse tune */
+ opt_gw_coarse_value[channel][rank] =
+ dqs_gw_coarse_tune_calib(channel, gw_coarse_val);
+
+ /* set adjusted gw coarse tune */
+ set_gw_coarse_factor(channel, opt_gw_coarse_value[channel][rank]);
+
+ /* adjust gw fine tune */
+ opt_gw_fine_value[channel][rank] =
+ dqs_gw_fine_tune_calib(channel, gw_fine_val);
+
+ /* set adjusted gw fine tune */
+ set_gw_fine_factor(channel, opt_gw_fine_value[channel][rank], 0);
+
+ /* read data counter reset in PHY layer */
+ dqs_gw_counter_reset(channel);
+
+ /* gating window training result */
+ printk(BIOS_INFO, "[GW] [Channel %d] [Rank %d] adjusted (coarse, fine) tune value: %d, %d.\n",
+ channel, rank, opt_gw_coarse_value[channel][rank],
+ opt_gw_fine_value[channel][rank]);
+}
+
+void dual_rank_rx_dqs_gating_cal(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u32 dqsinctl;
+
+ /* rank 0 gw calibration */
+ rx_dqs_gating_cal(channel, 0, sdram_params);
+
+ /* get dqsinctl after rank 0 calibration */
+ dqsinctl = read32(&ch[channel].ao_regs->dqsctl1);
+ dqsinctl = (dqsinctl >> DQSCTL1_DQSINCTL_SHIFT) & (0xf << 0);
+
+ /* swap cs0 and cs1 */
+ setbits_le32(&ch[channel].ao_regs->rkcfg, MASK_RKCFG_RKSWAP_EN);
+
+ /* rank 1 gw calibration */
+ rx_dqs_gating_cal(channel, 1, sdram_params);
+
+ /* set rank 1 coarse tune and fine tune */
+ set_gw_coarse_factor_rank1(channel, opt_gw_coarse_value[channel][1],
+ dqsinctl);
+ set_gw_fine_factor(channel, opt_gw_fine_value[channel][1], 1);
+
+ /* swap cs back */
+ clrbits_le32(&ch[channel].ao_regs->rkcfg, MASK_RKCFG_RKSWAP_EN);
+
+ /* set rank 0 coarse tune and fine tune back */
+ set_gw_coarse_factor(channel, opt_gw_coarse_value[channel][0]);
+ set_gw_fine_factor(channel, opt_gw_fine_value[channel][0], 0);
+}
+
+void dramc_rankinctl_config(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u32 value;
+
+ if (is_dual_rank(channel, sdram_params)) {
+ /* RANKINCTL_ROOT1 = DQSINCTL + reg_TX_DLY_DQSGATE */
+ value = min(opt_gw_coarse_value[channel][0],
+ opt_gw_coarse_value[channel][1]) >> 2;
+
+ clrsetbits_le32(&ch[channel].ao_regs->dummy, 0xf, value);
+
+ /* RANKINCTL = RANKINCTL_ROOT1 */
+ clrsetbits_le32(&ch[channel].ao_regs->dqscal1,
+ 0xf << 16, value << 16);
+ }
+ /* disable per-bank refresh when refresh rate >= 5 */
+ setbits_le32(&ch[channel].ao_regs->rkcfg,
+ 1 << RKCFG_PBREF_DISBYRATE_SHIFT);
+}
+
+u32 dram_k_perbit(u32 channel)
+{
+ u32 err_value = 0x0;
+
+ /* use XTALK pattern to run the test */
+ err_value = dramc_engine2(channel, TE_OP_WRITE_READ_CHECK,
+ DEFAULT_TEST2_1_CAL, DEFAULT_TEST2_2_CAL,
+ 2, 0);
+ return err_value;
+}
+
+void dramk_check_dqs_win(struct dqs_perbit_dly *p, u8 dly_step, u8 last_step,
+ u32 fail_bit)
+{
+ s8 dqsdly_pass_win, best_pass_win;
+
+ if (fail_bit == 0) {
+ if (p->first_dqsdly_pass == -1) {
+ /* first DQS pass delay tap */
+ p->first_dqsdly_pass = dly_step;
+ }
+ if ((p->last_dqsdly_pass == -2) && (dly_step == last_step)) {
+ /* pass to the last tap */
+ p->last_dqsdly_pass = dly_step;
+ dqsdly_pass_win = p->last_dqsdly_pass -
+ p->first_dqsdly_pass;
+ best_pass_win = p->best_last_dqsdly_pass -
+ p->best_first_dqsdly_pass;
+ if (dqsdly_pass_win > best_pass_win) {
+ p->best_last_dqsdly_pass = p->last_dqsdly_pass;
+ p->best_first_dqsdly_pass = p->first_dqsdly_pass;
+ }
+ /* clear to find the next pass range if it has */
+ p->first_dqsdly_pass = -1;
+ p->last_dqsdly_pass = -2;
+ }
+ } else {
+ if ((p->first_dqsdly_pass != -1) && (p->last_dqsdly_pass == -2)) {
+ p->last_dqsdly_pass = dly_step - 1;
+ dqsdly_pass_win = p->last_dqsdly_pass -
+ p->first_dqsdly_pass;
+ best_pass_win = p->best_last_dqsdly_pass -
+ p->best_first_dqsdly_pass;
+ if (dqsdly_pass_win > best_pass_win) {
+ p->best_last_dqsdly_pass = p->last_dqsdly_pass;
+ p->best_first_dqsdly_pass = p->first_dqsdly_pass;
+ }
+ /* clear to find the next pass range if it has */
+ p->first_dqsdly_pass = -1;
+ p->last_dqsdly_pass = -2;
+ }
+ }
+}
+
+void dramk_check_dq_win(struct dqs_perbit_dly *p, u8 dly_step, u8 last_step,
+ u32 fail_bit)
+{
+ s8 dqdly_pass_win, best_pass_win;
+
+ if (fail_bit == 0) {
+ if (p->first_dqdly_pass == -1) {
+ /* first DQ pass delay tap */
+ p->first_dqdly_pass = dly_step;
+ }
+
+ if ((p->last_dqdly_pass == -2) && (dly_step == last_step)) {
+ /* pass to the last tap */
+ p->last_dqdly_pass = dly_step;
+ dqdly_pass_win = p->last_dqdly_pass -
+ p->first_dqdly_pass;
+ best_pass_win = p->best_last_dqdly_pass -
+ p->best_first_dqdly_pass;
+ if (dqdly_pass_win > best_pass_win) {
+ p->best_last_dqdly_pass = p->last_dqdly_pass;
+ p->best_first_dqdly_pass = p->first_dqdly_pass;
+ }
+ /* clear to find the next pass range if it has */
+ p->first_dqdly_pass = -1;
+ p->last_dqdly_pass = -2;
+ }
+ } else {
+ if ((p->first_dqdly_pass != -1) && (p->last_dqdly_pass == -2)) {
+ p->last_dqdly_pass = dly_step - 1;
+ dqdly_pass_win = p->last_dqdly_pass -
+ p->first_dqdly_pass;
+ best_pass_win = p->best_last_dqdly_pass -
+ p->best_first_dqdly_pass;
+ if (dqdly_pass_win > best_pass_win) {
+ p->best_last_dqdly_pass = p->last_dqdly_pass;
+ p->best_first_dqdly_pass = p->first_dqdly_pass;
+ }
+ /* clear to find the next pass range if it has */
+ p->first_dqdly_pass = -1;
+ p->last_dqdly_pass = -2;
+ }
+ }
+}
+
+u8 dramk_calcu_best_dly(u8 bit, struct dqs_perbit_dly *p, u8 *p_max_byte)
+{
+ u8 fail = 0;
+ u8 hold, setup;
+
+ /* hold time = DQS pass taps */
+ hold = p->best_last_dqsdly_pass - p->best_first_dqsdly_pass + 1;
+ /* setup time = DQ pass taps */
+ setup = p->best_last_dqdly_pass - p->best_first_dqdly_pass + 1;
+
+ /* The relationship of setup and hold time of dqs and dq signals
+ * is represented with delay tap in the following format:
+ *
+ * setup time(dq delay) hold time(dqs delay)
+ * xxxxxxxxxxxxxoooooooo|ooooooooooooooooooooxxxxx
+ * 15 0 1 15 tap
+ */
+
+ if (hold > setup) {
+ /* like this: (setup time != 0) */
+ /* xxxxxxxxxxxxxoooooooo|ooooooooooooooooooooxxxxx */
+ /* like this: (setup time == 0) */
+ /* xxxxxxxxxxxxxxxxxxxxx|xxxooooooooooxxxxxxxxxxxx */
+
+ p->best_dqdly = 0;
+ p->best_dqsdly = (setup != 0)? (hold - setup) / 2:
+ (hold - setup) / 2 + p->best_first_dqsdly_pass;
+
+ if (p->best_dqsdly > *p_max_byte) {
+ *p_max_byte = p->best_dqsdly;
+ }
+
+ } else if (hold < setup) {
+ /* like this: (hold time != 0 )*/
+ /* xxxoooooooooooooooooo|ooooooooxxxxxxxxxxxxxxxxx */
+ /* like this: (hold time == 0 ) */
+ /* xxxoooooooooooooooxxx|xxxxxxxxxxxxxxxxxxxxxxxxx */
+
+ p->best_dqsdly = 0;
+ p->best_dqdly = (hold != 0)? (setup - hold) / 2:
+ (setup - hold) / 2 + p->best_first_dqdly_pass;
+
+ } else { /* hold time == setup time */
+ p->best_dqsdly = 0;
+ p->best_dqdly = 0;
+
+ if (hold == 0) {
+ /* like this: (mean this bit is error) */
+ /* xxxxxxxxxxxxxxxxxxxxx|xxxxxxxxxxxxxxxxxxxxxxxxx */
+ printk(BIOS_ERR, "ERROR, error bit %d, "
+ "setup_time = hold_time = 0!!\n", bit);
+ fail = 1;
+ }
+ }
+
+ dramc_dbg_msg("bit#%d : dq =%d dqs=%d win=%d (%d, %d)\n",
+ bit, setup, hold, setup + hold,
+ p->best_dqdly, p->best_dqsdly);
+
+ return fail;
+}
+
+void clk_duty_cal(u32 channel)
+{
+ u8 max_duty_sel, max_duty;
+ u32 max_win_size = 0;
+
+ max_duty_sel = max_duty = 1;
+
+ clrsetbits_le32(&ch[channel].ddrphy_regs->phyclkduty,
+ 0x3 << PHYCLKDUTY_CMDCLKP0DUTYN_SHIFT |
+ 1 << PHYCLKDUTY_CMDCLKP0DUTYP_SHIFT,
+ 1 << PHYCLKDUTY_CMDCLKP0DUTYSEL_SHIFT |
+ max_duty << PHYCLKDUTY_CMDCLKP0DUTYN_SHIFT);
+
+ max_win_size = read32(&ch[channel].ddrphy_regs->phyclkduty);
+
+ dramc_dbg_msg("[Channel %d CLK DUTY CALIB] ", channel);
+ dramc_dbg_msg("Final DUTY_SEL=%d, DUTY=%d, rx window size=%d\n",
+ max_duty_sel, max_duty, max_win_size);
+}
+
+static void set_dle_factor(u32 channel, u8 curr_val)
+{
+ clrsetbits_le32(&ch[channel].ao_regs->ddr2ctl,
+ 0x7 << DDR2CTL_DATLAT_SHIFT,
+ (curr_val & 0x7) << DDR2CTL_DATLAT_SHIFT);
+
+ clrsetbits_le32(&ch[channel].ao_regs->padctl4,
+ 0x1 << PADCTL4_DATLAT3_SHIFT,
+ ((curr_val >> 3) & 0x1) << PADCTL4_DATLAT3_SHIFT);
+
+ clrsetbits_le32(&ch[channel].ao_regs->phyctl1,
+ 0x1 << PHYCTL1_DATLAT4_SHIFT,
+ ((curr_val >> 4) & 0x1) << PHYCTL1_DATLAT4_SHIFT);
+
+ clrsetbits_le32(&ch[channel].ao_regs->misc,
+ 0x1f << MISC_DATLAT_DSEL_SHIFT,
+ (curr_val - 8) << MISC_DATLAT_DSEL_SHIFT);
+
+ /* optimize bandwidth for HW run time test engine use */
+ clrsetbits_le32(&ch[channel].ao_regs->misc,
+ 0x1f << MISC_LATNORMP_SHIFT,
+ (curr_val - 3) << MISC_LATNORMP_SHIFT);
+}
+
+void dual_rank_rx_datlat_cal(u32 channel,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u8 r0_dle_setting, r1_dle_setting;
+
+ /* rank 0 dle calibration */
+ r0_dle_setting = rx_datlat_cal(channel, 0, sdram_params);
+
+ /* swap cs0 and cs1 */
+ setbits_le32(&ch[channel].ao_regs->rkcfg, MASK_RKCFG_RKSWAP_EN);
+
+ /* set rank 1 coarse tune and fine tune back */
+ set_gw_coarse_factor(channel, opt_gw_coarse_value[channel][1]);
+ set_gw_fine_factor(channel, opt_gw_fine_value[channel][1], 0);
+
+ /* rank 1 dle calibration */
+ r1_dle_setting = rx_datlat_cal(channel, 1, sdram_params);
+
+ /* set rank 0 coarse tune and fine tune back */
+ set_gw_coarse_factor(channel, opt_gw_coarse_value[channel][0]);
+ set_gw_fine_factor(channel, opt_gw_fine_value[channel][0], 0);
+
+ /* swap cs back */
+ clrbits_le32(&ch[channel].ao_regs->rkcfg, MASK_RKCFG_RKSWAP_EN);
+
+ /* output dle setting of rank 0 and 1 */
+ dramc_dbg_msg("[DLE] Rank 0 DLE calibrated setting = %xh.\n"
+ "[DLE] Rank 1 DLE calibrated setting = %xh.\n",
+ r0_dle_setting, r1_dle_setting);
+
+ if (r1_dle_setting < r0_dle_setting) {
+ /* compare dle setting of two ranks */
+ dramc_dbg_msg("[DLE] rank 0 > rank 1. set to rank 0.\n");
+ /* case 1: set rank 0 dle setting */
+ set_dle_factor(channel, r0_dle_setting);
+ } else {
+ /* compare dle setting of two ranks */
+ dramc_dbg_msg("[DLE] rank 0 < rank 1. use rank 1.\n");
+ /* case 2: set rank 1 dle setting */
+ set_dle_factor(channel, r1_dle_setting);
+ }
+}
+
+u8 rx_datlat_cal(u32 channel, u8 rank,
+ const struct mt8173_sdram_params *sdram_params)
+{
+ u8 i, best_step;
+ u32 err[DLE_TEST_NUM];
+
+ dramc_dbg_msg("=========================================\n");
+ dramc_dbg_msg("[Channel %d] [Rank %d] DATLAT calibration\n",
+ channel, rank);
+ dramc_dbg_msg("=========================================\n");
+
+ clrbits_le32(&ch[channel].ao_regs->mckdly,
+ 0x11 << MCKDLY_DQIENQKEND_SHIFT |
+ 0x1 << MCKDLY_DQIENLAT_SHIFT);
+
+ /* set dle calibration initial value */
+ best_step = sdram_params->calib_params.datlat_ucfirst + 1;
+
+ /* do dle calibration test */
+ for (i = 0; i < DLE_TEST_NUM; i++) {
+ set_dle_factor(channel, best_step - i);
+ err[i] = dramc_engine2(channel, TE_OP_WRITE_READ_CHECK,
+ DEFAULT_TEST2_1_CAL,
+ DEFAULT_TEST2_2_CAL, 2, 0);
+ }
+
+ if (err[0]) {
+ /* dle test error */
+ printk(BIOS_ERR, "[DLE] calibration ERROR!\n");
+ } else {
+ /* judge dle test result */
+ for (i = 0; i < DLE_TEST_NUM; i++) {
+ if (!err[i] && (i + 1 == DLE_TEST_NUM || err[i + 1])) {
+ /* dle test ok */
+ best_step -= (i - 1);
+ break;
+ }
+ }
+ }
+
+ /* Default dle value is set when test error (error recovery).
+ * Others, adjusted dle calibration value is set normally.
+ */
+ set_dle_factor(channel, best_step);
+
+ dramc_dbg_msg("[DLE] adjusted value = %#x\n", best_step);
+
+ return best_step;
+}
+
+void tx_delay_for_wrleveling(u32 channel,
+ struct dqs_perbit_dly *dqdqs_perbit_dly,
+ u8 *max_dqsdly_byte, u8 *ave_dqdly_byte)
+{
+ s8 i, delta, index, max_taps;
+
+ max_taps = MAX_DQDLY_TAPS - 1;
+
+ for (i = 0; i < DATA_WIDTH_32BIT; i++) {
+
+ index = i / DQS_BIT_NUMBER;
+
+ if (i % DQS_BIT_NUMBER == 0)
+ dramc_dbg_msg("DQS%d: %d \n", index,
+ wrlevel_dqs_dly[channel][index]);
+
+ if (max_dqsdly_byte[index] <= wrlevel_dqs_dly[channel][index]) {
+ /* set diff value (delta) */
+ delta = wrlevel_dqs_dly[channel][index] -
+ max_dqsdly_byte[index];
+
+ dqdqs_perbit_dly[i].best_dqdly += delta;
+
+ /* max limit to 15 */
+ if (dqdqs_perbit_dly[i].best_dqdly > max_taps)
+ dqdqs_perbit_dly[i].best_dqdly = max_taps;
+
+ if ((i + 1) % DQS_BIT_NUMBER == 0) {
+ /* DQS */
+ max_dqsdly_byte[index] =
+ wrlevel_dqs_dly[channel][index];
+ /* DQM */
+ ave_dqdly_byte[index] += delta;
+ /* max limit to 15 */
+ if (ave_dqdly_byte[index] > max_taps)
+ ave_dqdly_byte[index] = max_taps;
+ }
+
+ } else if (i % DQS_BIT_NUMBER == 0) {
+ /* max_dqsdly_byte[j] > wrlevel_dqs_dly[channel][j]
+ * Originally, we should move clk and CA delay.
+ * Then, do GW calibration again. However, DQ/DQS
+ * skew should not be large in MT8173, so we sacrifice
+ * the Clk/DQS margin by keeping the clk out delay.
+ */
+ printk(BIOS_ERR, "[Warning] DQSO %d in TX "
+ "per-bit = %d > DQSO %d in WL = %d ",
+ index, max_dqsdly_byte[index], index,
+ wrlevel_dqs_dly[channel][index]);
+ }
+ }
+}
+
+static void set_rx_dly_factor(u32 channel, u32 curr_val, u8 type)
+{
+ u32 i, value = 0;
+
+ for (i = 0; i < DQS_NUMBER; i++)
+ value += (curr_val << (8 * i));
+
+ switch (type) {
+ case RX_DQS:
+ write32(&ch[channel].ao_regs->r0deldly, value);
+ break;
+ case RX_DQ:
+ for (i = 0; i < DATA_WIDTH_32BIT; i += 4)
+ write32(&ch[channel].ao_regs->dqidly[i/4], value);
+ break;
+ }
+}
+
+static void set_tx_dly_factor(u32 channel, u32 curr_val, u8 type)
+{
+ u32 i, bit_num, value = 0;
+
+ bit_num = (type == TX_DQ)? DQS_BIT_NUMBER: DQS_NUMBER;
+
+ for (i = 0; i < bit_num; i++)
+ value += (curr_val << (4 * i));
+
+ switch (type) {
+
+ case TX_DQS:
+ write32(&ch[channel].ddrphy_regs->padctl3, value);
+ break;
+ case TX_DQM:
+ write32(&ch[channel].ddrphy_regs->padctl2, value);
+ break;
+ case TX_DQ:
+ for (i = 0; i < DQS_NUMBER; i++)
+ write32(&ch[channel].ddrphy_regs->dqodly[i], value);
+ break;
+ }
+}
+
+static void set_dly_factor(u32 channel, u8 stage, u8 type, u8 dly)
+{
+ switch (stage | type << 1) {
+ /* set delay for DQ/DQM/DQS by setup/hold stage and window type */
+ case STAGE_SETUP_TX_WIN:
+ /* set DQ/DQM delay for tx window */
+ set_tx_dly_factor(channel, dly, TX_DQ);
+ set_tx_dly_factor(channel, dly, TX_DQM);
+ break;
+ case STAGE_SETUP_RX_WIN:
+ /* set DQ delay for rx window */
+ set_rx_dly_factor(channel, dly, RX_DQ);
+ break;
+ case STAGE_HOLD_TX_WIN:
+ /* set DQS delay for tx window */
+ set_tx_dly_factor(channel, dly, TX_DQS);
+ break;
+ case STAGE_HOLD_RX_WIN:
+ /* set DQS delay for rx window */
+ set_rx_dly_factor(channel, dly, RX_DQS);
+ break;
+ }
+}
+
+static void set_rx_best_dly_factor(u32 channel,
+ struct dqs_perbit_dly *dqdqs_perbit_dly,
+ u8 *max_dqsdly_byte)
+{
+ u32 i, value = 0;
+
+ for (i = 0; i < DQS_NUMBER; i++)
+ value += (((u32)max_dqsdly_byte[i]) << (8 * i));
+
+ write32(&ch[channel].ao_regs->r0deldly, value);
+ write32(&ch[channel].ao_regs->r1deldly, value);
+
+ dramc_dbg_msg("[RX] DQS Reg R0DELDLY=%xh\n",
+ read32(&ch[channel].ao_regs->r0deldly));
+ dramc_dbg_msg("[RX] DQS Reg R1DELDLY=%xh\n",
+ read32(&ch[channel].ao_regs->r1deldly));
+
+ for (i = 0; i < DATA_WIDTH_32BIT; i += 4) {
+ /* every 4bit dq have the same delay register address */
+ value = ((u32)dqdqs_perbit_dly[i].best_dqdly) +
+ (((u32)dqdqs_perbit_dly[i + 1].best_dqdly) << 8) +
+ (((u32)dqdqs_perbit_dly[i + 2].best_dqdly) << 16) +
+ (((u32)dqdqs_perbit_dly[i + 3].best_dqdly) << 24);
+
+ write32(&ch[channel].ao_regs->dqidly[i / 4], value);
+ dramc_dbg_msg("[RX] DQ DQIDLY%d = %xh\n", (i + 4) / 4, value);
+ }
+}
+
+static void set_tx_best_dly_factor(u32 channel,
+ struct dqs_perbit_dly *dqdqs_perbit_dly,
+ u8 *max_dqsdly_byte, u8 *ave_dqdly_byte)
+{
+ u32 bit, value, shift, dqs_index = 0;
+
+ value = 0;
+ for (bit = 0; bit < DQS_NUMBER; bit++) {
+ value += (((u32)max_dqsdly_byte[bit]) << (4 * bit));
+ }
+
+ write32(&ch[channel].ddrphy_regs->padctl3, value);
+ dramc_dbg_msg("[TX] DQS PADCTL3 Reg = %#x\n", value);
+
+ /* DQ delay */
+ for (bit = 0; bit < DATA_WIDTH_32BIT; bit++) {
+ /* every 8 DQ reset */
+ if (bit % DQS_BIT_NUMBER == 0) {
+ value = 0;
+ dqs_index = bit / DQS_BIT_NUMBER;
+ }
+ /* 4 bits field for each DQ */
+ shift = 4 * (bit % DQS_BIT_NUMBER);
+ value += (((u32)(dqdqs_perbit_dly[bit].best_dqdly)) << shift);
+ /* each register is with 8 DQ */
+ if ((bit + 1) % DQS_BIT_NUMBER == 0) {
+ write32(&ch[channel].ddrphy_regs->dqodly[dqs_index], value);
+ dramc_dbg_msg("[TX] DQ DQ0DLY%d = %xh\n",
+ dqs_index + 1, value);
+ }
+ }
+
+ /* DQM delay */
+ value = read32(&ch[channel].ddrphy_regs->padctl2);
+ value &= MASK_PADCTL2;
+
+ for (bit = 0; bit < DQS_NUMBER; bit++) {
+ value += (((u32)ave_dqdly_byte[bit]) << (4 * bit));
+ }
+ write32(&ch[channel].ddrphy_regs->padctl2, value);
+ dramc_dbg_msg("[TX] DQM PADCTL2 Reg = %#x\n", value);
+}
+
+void perbit_window_cal(u32 channel, u8 type)
+{
+ u8 i, dly, bit, max_dqs_taps, fail = 0;
+ u8 max_dqsdly_byte[DQS_NUMBER], ave_dqdly_byte[DQS_NUMBER];
+ u32 err_value, fail_bit, max_limit, index;
+
+ struct dqs_perbit_dly dqdqs_perbit_dly[DQ_DATA_WIDTH];
+
+ dramc_dbg_msg("\n[Channel %d] %s DQ/DQS per bit :\n",
+ channel, (type == TX_WIN)? "TX": "RX");
+
+ if (type == TX_WIN)
+ dramc_phy_reset(channel);
+
+ for (i = 0; i < DATA_WIDTH_32BIT; i++) {
+ dqdqs_perbit_dly[i].first_dqdly_pass = -1;
+ dqdqs_perbit_dly[i].last_dqdly_pass = -2;
+ dqdqs_perbit_dly[i].first_dqsdly_pass = -1;
+ dqdqs_perbit_dly[i].last_dqsdly_pass = -2;
+ dqdqs_perbit_dly[i].best_first_dqdly_pass = -1;
+ dqdqs_perbit_dly[i].best_last_dqdly_pass = -2;
+ dqdqs_perbit_dly[i].best_first_dqsdly_pass = -1;
+ dqdqs_perbit_dly[i].best_last_dqsdly_pass = -2;
+ }
+
+ /* 1. delay DQ ,find the pass widnow (left boundary)
+ * 2. delay DQS find the pass window (right boundary)
+ * 3. find the best DQ / DQS to satify the middle value
+ * of the overall pass window per bit
+ * 4. set DQS delay to the max per byte, delay DQ to de-skew
+ */
+
+ /* 1. set DQS delay to 0 first */
+ set_dly_factor(channel, STAGE_HOLD, type, FIRST_DQS_DELAY);
+
+ dramc_dbg_msg("----------------------------------"
+ "--------------------\n");
+ dramc_dbg_msg("Start DQ delay to find pass range,"
+ "DQS delay fixed to %#x...\n", FIRST_DQS_DELAY);
+ dramc_dbg_msg("----------------------------------"
+ "-------------------\n");
+ dramc_dbg_msg("x-axis is bit #; y-axis is DQ delay (%d~%d)\n",
+ FIRST_DQ_DELAY, MAX_DQDLY_TAPS - 1);
+
+ /* delay DQ from 0 to 15 to get the setup time */
+ for (dly = FIRST_DQ_DELAY; dly < MAX_DQDLY_TAPS; dly++) {
+
+ set_dly_factor(channel, STAGE_SETUP, type, dly);
+ err_value = dram_k_perbit(channel);
+
+ /* check fail bit, 0 ok, others fail */
+ for (bit = 0; bit < DATA_WIDTH_32BIT; bit++) {
+ fail_bit = err_value & ((u32)1 << bit);
+ dramk_check_dq_win(&(dqdqs_perbit_dly[bit]), dly,
+ MAX_DQDLY_TAPS - 1, fail_bit);
+ if (fail_bit == 0) {
+ dramc_dbg_msg("o");
+ } else {
+ dramc_dbg_msg("x");
+ }
+ }
+ dramc_dbg_msg("\n");
+ }
+
+ /* 2. set DQ delay to 0 */
+ set_dly_factor(channel, STAGE_SETUP, type, FIRST_DQ_DELAY);
+
+ /* DQS delay taps: tx and rx are 16 and 64 taps */
+ max_dqs_taps = (type == TX_WIN)? MAX_TX_DQSDLY_TAPS: MAX_RX_DQSDLY_TAPS;
+
+ dramc_dbg_msg("-----------------------------------"
+ "-------------------\n");
+ dramc_dbg_msg("Start DQS delay to find pass range,"
+ "DQ delay fixed to %#x...\n", FIRST_DQ_DELAY);
+ dramc_dbg_msg("------------------------------------"
+ "------------------\n");
+ dramc_dbg_msg("x-axis is bit #; y-axis is DQS delay (%d~%d)\n",
+ FIRST_DQS_DELAY + 1, max_dqs_taps - 1);
+
+ /* delay DQS to get the hold time, dq_dly = dqs_dly = 0 is counted */
+ /* when we delay dq, so we set first dqs delay to 1 */
+ for (dly = (FIRST_DQS_DELAY + 1); dly < max_dqs_taps; dly++) {
+
+ set_dly_factor(channel, STAGE_HOLD, type, dly);
+ err_value = dram_k_perbit(channel);
+
+ /* check fail bit, 0 ok, others fail */
+ for (bit = 0; bit < DATA_WIDTH_32BIT; bit++) {
+ fail_bit = err_value & ((u32)1 << bit);
+ dramk_check_dqs_win(&(dqdqs_perbit_dly[bit]), dly,
+ max_dqs_taps - 1, fail_bit);
+ if (fail_bit == 0) {
+ dramc_dbg_msg("o");
+ } else {
+ dramc_dbg_msg("x");
+ }
+ }
+ dramc_dbg_msg("\n");
+ }
+
+ /* 3 calculate dq and dqs time */
+ dramc_dbg_msg("-------------------------------"
+ "-----------------------\n");
+ dramc_dbg_msg("Start calculate dq time and dqs "
+ "time:\n");
+ dramc_dbg_msg("Find max DQS delay per byte / "
+ "Adjust DQ delay to align DQS...\n");
+ dramc_dbg_msg("--------------------------------"
+ "----------------------\n");
+
+ /* As per byte, check max DQS delay in 8-bit.
+ * Except for the bit of max DQS delay, delay
+ * DQ to fulfill setup time = hold time
+ */
+ for (i = 0; i < DQS_NUMBER; i++) {
+ max_dqsdly_byte[i] = 0;
+ ave_dqdly_byte[i] = 0;
+ }
+
+ for (i = 0; i < DATA_WIDTH_32BIT; i++) {
+ /* we delay DQ or DQS to let DQS sample the middle */
+ /* of tx/rx pass window for all the 8 bits */
+ index = i / DQS_BIT_NUMBER;
+ fail |= dramk_calcu_best_dly(i, &dqdqs_perbit_dly[i],
+ &max_dqsdly_byte[index]);
+
+ if ((i + 1) % DQS_BIT_NUMBER == 0)
+ dramc_dbg_msg("----separate line----\n");
+ }
+
+ for (i = 0; i < DATA_WIDTH_32BIT; i++) {
+ /* dqs index for every 8-bit */
+ index = i / DQS_BIT_NUMBER;
+ /* set DQS to max for 8-bit */
+ if (dqdqs_perbit_dly[i].best_dqsdly < max_dqsdly_byte[index]) {
+ /* delay DQ to compensate extra DQS delay */
+ dly = max_dqsdly_byte[index] -
+ dqdqs_perbit_dly[i].best_dqsdly;
+ dqdqs_perbit_dly[i].best_dqdly += dly;
+ /* max limit to 15 */
+ max_limit = MAX_DQDLY_TAPS - 1;
+ if (dqdqs_perbit_dly[i].best_dqdly > max_limit) {
+ dqdqs_perbit_dly[i].best_dqdly = max_limit;
+ }
+ }
+ /* accumulation variable for TX DQM */
+ ave_dqdly_byte[index] += dqdqs_perbit_dly[i].best_dqdly;
+ /* take the average of DQ for TX DQM */
+ if ((i + 1) % DQS_BIT_NUMBER == 0) {
+ ave_dqdly_byte[index] /= DQS_BIT_NUMBER;
+ }
+ }
+
+ if (fail == 1) /* error handling */
+ die("fail on perbit_window_cal()\n");
+
+ dramc_dbg_msg("==================================================\n");
+ dramc_dbg_msg(" dramc_perbit_window_swcal:\n");
+ dramc_dbg_msg(" channel=%d(0:cha, 1:chb)\n", channel);
+ dramc_dbg_msg(" bus width=%d\n", DATA_WIDTH_32BIT);
+ dramc_dbg_msg("==================================================\n");
+ dramc_dbg_msg("DQS Delay :\n DQS0 = %d DQS1 = %d DQS2 = %d DQS3 = %d\n",
+ max_dqsdly_byte[0], max_dqsdly_byte[1],
+ max_dqsdly_byte[2], max_dqsdly_byte[3]);
+
+ if (type == TX_WIN)
+ dramc_dbg_msg("DQM Delay :\n"
+ "DQM0 = %d DQM1 = %d DQM2 = %d DQM3 = %d\n",
+ ave_dqdly_byte[0], ave_dqdly_byte[1],
+ ave_dqdly_byte[2], ave_dqdly_byte[3]);
+
+ dramc_dbg_msg("DQ Delay :\n");
+ for (i = 0; i < DATA_WIDTH_32BIT; i++) {
+ dramc_dbg_msg("DQ%d = %d ", i, dqdqs_perbit_dly[i].best_dqdly);
+ if ( ((i + 1) % 4) == 0)
+ dramc_dbg_msg("\n");
+ }
+
+ dramc_dbg_msg("____________________________________"
+ "____________________________________\n");
+
+ if (type == TX_WIN) {
+ /* Add CLK to DQS/DQ skew after write leveling */
+ dramc_dbg_msg("Add CLK to DQS/DQ skew based on write leveling.\n");
+ /* this subroutine add clk delay to DQS/DQ after WL */
+ tx_delay_for_wrleveling(channel, dqdqs_perbit_dly,
+ max_dqsdly_byte, ave_dqdly_byte);
+ }
+
+ if (type == TX_WIN)
+ set_tx_best_dly_factor(channel, dqdqs_perbit_dly,
+ max_dqsdly_byte, ave_dqdly_byte);
+ else
+ set_rx_best_dly_factor(channel, dqdqs_perbit_dly,
+ max_dqsdly_byte);
+
+ dramc_phy_reset(channel);
+}
diff --git a/src/soc/mediatek/mt8173/emi.c b/src/soc/mediatek/mt8173/emi.c
new file mode 100644
index 0000000000..f6ef40f8f3
--- /dev/null
+++ b/src/soc/mediatek/mt8173/emi.c
@@ -0,0 +1,142 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <assert.h>
+#include <boardid.h>
+#include <console/console.h>
+#include <delay.h>
+#include <string.h>
+#include <soc/addressmap.h>
+#include <soc/dramc_common.h>
+#include <soc/dramc_register.h>
+#include <soc/dramc_pi_api.h>
+#include <soc/mt6391.h>
+#include <soc/pll.h>
+
+struct emi_regs *emi_regs = (void *)EMI_BASE;
+
+static void dram_vcore_adjust(void)
+{
+ /* options: Vcore_HV_LPPDR3/Vcore_NV_LPPDR3/Vcore_LV_LPPDR3 */
+ mt6391_write(PMIC_RG_VCORE_CON9, Vcore_NV_LPPDR3, 0x7F, 0);
+ mt6391_write(PMIC_RG_VCORE_CON10, Vcore_NV_LPPDR3, 0x7F, 0);
+}
+
+static void dram_vmem_adjust(void)
+{
+ /* options: Vmem_HV_LPPDR3/Vmem_NV_LPPDR3/Vmem_LV_LPPDR3 */
+ mt6391_write(PMIC_RG_VDRM_CON9, Vmem_NV_LPDDR3, 0x7F, 0);
+ mt6391_write(PMIC_RG_VDRM_CON10, Vmem_NV_LPDDR3, 0x7F, 0);
+}
+
+static void emi_init(const struct mt8173_sdram_params *sdram_params)
+{
+ /* EMI setting initialization */
+ write32(&emi_regs->emi_conf, sdram_params->emi_set.conf);
+ write32(&emi_regs->emi_conm, sdram_params->emi_set.conm_1);
+ write32(&emi_regs->emi_arbi, sdram_params->emi_set.arbi);
+ write32(&emi_regs->emi_arba, sdram_params->emi_set.arba);
+ write32(&emi_regs->emi_arbc, sdram_params->emi_set.arbc);
+ write32(&emi_regs->emi_arbd, sdram_params->emi_set.arbd);
+ write32(&emi_regs->emi_arbe, sdram_params->emi_set.arbe);
+ write32(&emi_regs->emi_arbf, sdram_params->emi_set.arbf);
+ write32(&emi_regs->emi_arbg, sdram_params->emi_set.arbg);
+ write32(&emi_regs->emi_arbj, sdram_params->emi_set.arbj);
+ write32(&emi_regs->emi_cona, sdram_params->emi_set.cona);
+ write32(&emi_regs->emi_testd, sdram_params->emi_set.testd);
+ write32(&emi_regs->emi_bmen, sdram_params->emi_set.bmen);
+ write32(&emi_regs->emi_conb, sdram_params->emi_set.conb);
+ write32(&emi_regs->emi_conc, sdram_params->emi_set.conc);
+ write32(&emi_regs->emi_cond, sdram_params->emi_set.cond);
+ write32(&emi_regs->emi_cone, sdram_params->emi_set.cone);
+ write32(&emi_regs->emi_cong, sdram_params->emi_set.cong);
+ write32(&emi_regs->emi_conh, sdram_params->emi_set.conh);
+ write32(&emi_regs->emi_slct, sdram_params->emi_set.slct_1);
+ write32(&emi_regs->emi_mdct, sdram_params->emi_set.mdct_1);
+ write32(&emi_regs->emi_arbk, sdram_params->emi_set.arbk);
+ write32(&emi_regs->emi_testc, sdram_params->emi_set.testc);
+ write32(&emi_regs->emi_mdct, sdram_params->emi_set.mdct_2);
+ write32(&emi_regs->emi_testb, sdram_params->emi_set.testb);
+ write32(&emi_regs->emi_slct, sdram_params->emi_set.slct_2);
+ write32(&emi_regs->emi_conm, sdram_params->emi_set.conm_2);
+ write32(&emi_regs->emi_test0, sdram_params->emi_set.test0);
+ write32(&emi_regs->emi_test1, sdram_params->emi_set.test1);
+}
+
+static void do_calib(const struct mt8173_sdram_params *sdram_params)
+{
+ u32 channel;
+
+ sw_impedance_cal(CHANNEL_A, sdram_params);
+ sw_impedance_cal(CHANNEL_B, sdram_params);
+
+ /* SPM_CONTROL_AFTERK */
+ transfer_to_reg_control();
+
+ /* do dram calibration for channel A and B */
+ for(channel = 0; channel < CHANNEL_NUM; channel++) {
+ ca_training(channel, sdram_params);
+ write_leveling(channel, sdram_params);
+
+ /* rx gating and datlat for single or dual rank */
+ if (is_dual_rank(channel, sdram_params)) {
+ dual_rank_rx_dqs_gating_cal(channel, sdram_params);
+ dual_rank_rx_datlat_cal(channel, sdram_params);
+ } else {
+ rx_dqs_gating_cal(channel, 0, sdram_params);
+ rx_datlat_cal(channel, 0, sdram_params);
+ }
+
+ clk_duty_cal(channel);
+ /* rx window perbit calibration */
+ perbit_window_cal(channel, RX_WIN);
+ /* tx window perbit calibration */
+ perbit_window_cal(channel, TX_WIN);
+
+ dramc_rankinctl_config(channel, sdram_params);
+ dramc_runtime_config(channel, sdram_params);
+ }
+
+ /* SPM_CONTROL_AFTERK */
+ transfer_to_spm_control();
+}
+
+static void init_dram(const struct mt8173_sdram_params *sdram_params)
+{
+ emi_init(sdram_params);
+
+ dramc_pre_init(CHANNEL_A, sdram_params);
+ dramc_pre_init(CHANNEL_B, sdram_params);
+
+ div2_phase_sync();
+
+ dramc_init(CHANNEL_A, sdram_params);
+ dramc_init(CHANNEL_B, sdram_params);
+}
+
+void mt_set_emi(const struct mt8173_sdram_params *sdram_params)
+{
+ /* voltage info */
+ dram_vcore_adjust();
+ dram_vmem_adjust();
+
+ if (sdram_params->type != TYPE_LPDDR3) {
+ die("The DRAM type is not supported");
+ }
+
+ init_dram(sdram_params);
+ do_calib(sdram_params);
+}
diff --git a/src/soc/mediatek/mt8173/include/soc/dramc_common.h b/src/soc/mediatek/mt8173/include/soc/dramc_common.h
new file mode 100644
index 0000000000..084e7de555
--- /dev/null
+++ b/src/soc/mediatek/mt8173/include/soc/dramc_common.h
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DRAMC_COMMON_H_
+#define _DRAMC_COMMON_H_
+
+enum {
+ CHANNEL_A = 0,
+ CHANNEL_B,
+ CHANNEL_NUM
+};
+
+enum {
+ GW_PARAM_COARSE = 0,
+ GW_PARAM_FINE,
+ GW_PARAM_NUM
+};
+
+enum {
+ DUAL_RANKS = 2,
+ CATRAINING_NUM = 10
+};
+
+enum {
+ DQ_DATA_WIDTH = 32,
+ DQS_BIT_NUMBER = 8,
+ DQS_NUMBER = (DQ_DATA_WIDTH / DQS_BIT_NUMBER)
+};
+
+#endif /* _DRAMC_COMMON_H_ */
diff --git a/src/soc/mediatek/mt8173/include/soc/dramc_pi_api.h b/src/soc/mediatek/mt8173/include/soc/dramc_pi_api.h
new file mode 100644
index 0000000000..1411d39f48
--- /dev/null
+++ b/src/soc/mediatek/mt8173/include/soc/dramc_pi_api.h
@@ -0,0 +1,187 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DRAMC_PI_API_H
+#define _DRAMC_PI_API_H
+
+#include <soc/emi.h>
+#include <console/console.h>
+
+enum {
+ MAX_CLKO_DELAY = 15
+};
+
+enum {
+ /* jitter meter for PLL phase calibration */
+ JMETER_COUNT = 1024,
+ JMETER_COUNT_N = JMETER_COUNT/10,
+ /* 10us for more margin, Fin = 52 */
+ JMETER_WAIT_DONE_US = (JMETER_COUNT/52 + 10)
+};
+
+enum {
+ DLE_TEST_NUM = 4
+};
+
+enum {
+ /* window type: tx/rx */
+ RX_WIN = 0,
+ TX_WIN = 1,
+ /* stage type: setup/hold time */
+ STAGE_SETUP = 0,
+ STAGE_HOLD = 1,
+ /* combinational flags of stage and window type */
+ STAGE_SETUP_RX_WIN = STAGE_SETUP | RX_WIN << 1,
+ STAGE_SETUP_TX_WIN = STAGE_SETUP | TX_WIN << 1,
+ STAGE_HOLD_RX_WIN = STAGE_HOLD | RX_WIN << 1,
+ STAGE_HOLD_TX_WIN = STAGE_HOLD | TX_WIN << 1
+};
+
+enum {
+ RX_DQ = 0,
+ RX_DQS,
+ TX_DQ,
+ TX_DQS,
+ TX_DQM
+};
+
+enum {
+ AUDIO = 1,
+ XTALK,
+ ISI
+};
+
+enum {
+ MEMPLL_INIT = 0,
+ MEMPLL_REF_LAG,
+ MEMPLL_REF_LEAD
+};
+
+enum {
+ FIRST_DQ_DELAY = 0, /* first DQ delay taps */
+ FIRST_DQS_DELAY = 0, /* first DQS delay taps */
+ MAX_DQDLY_TAPS = 16, /* max DQ delay taps */
+ MAX_TX_DQSDLY_TAPS = 16, /* max TX DQS delay taps */
+ MAX_RX_DQSDLY_TAPS = 64 /* max RX DQS delay taps */
+};
+
+enum {
+ DRAMK_READ = 0,
+ DRAMK_WRITE = 1
+};
+
+enum {
+ ENABLE = 1,
+ DISABLE = 0
+};
+
+enum {
+ DATA_WIDTH_16BIT = 16,
+ DATA_WIDTH_32BIT = 32
+};
+
+enum dram_tw_op {
+ TE_OP_WRITE_READ_CHECK = 0,
+ TE_OP_READ_CHECK
+};
+
+enum {
+ DQS_GW_TE_OFFSET = 0x10,
+ DQS_GW_GOLD_COUNTER_32BIT = 0x20202020,
+ DQS_GW_PATTERN1 = 0xaa000000,
+ DQS_GW_PATTERN2 = 0x55000000
+};
+
+enum {
+ /* pattern0 and base address for test engine when we do calibration */
+ DEFAULT_TEST2_1_CAL = 0x55000000,
+ /* for testing, to separate TA4-3 address for running simultaneously */
+ /* pattern1 and offset address for test engine when we do calibraion */
+ DEFAULT_TEST2_2_CAL = 0xaa000400,
+ /* pattern0 and base addr. for test engine when doing dqs GW */
+ DEFAULT_TEST2_1_DQSIEN = 0x55000000,
+ /* pattern1 and offset addr. for test engine when doing dqs GW */
+ DEFAULT_TEST2_2_DQSIEN = 0xaa000010,
+ /* gold pattern */
+ DEFAULT_GOLD_DQSIEN = 0x20202020
+};
+
+enum {
+ TEST_ISI_PATTERN = 0,
+ TEST_AUDIO_PATTERN,
+ TEST_TA1_SIMPLE,
+ TEST_TESTPAT4,
+ TEST_TESTPAT4_3,
+ TEST_XTALK_PATTERN,
+ TEST_MIX_PATTERN
+};
+
+struct dqs_perbit_dly {
+ s8 first_dqdly_pass;
+ s8 last_dqdly_pass;
+ s8 first_dqsdly_pass;
+ s8 last_dqsdly_pass;
+ s8 best_first_dqdly_pass;
+ s8 best_last_dqdly_pass;
+ s8 best_first_dqsdly_pass;
+ s8 best_last_dqsdly_pass;
+ u8 best_dqdly;
+ u8 best_dqsdly;
+};
+
+void transfer_to_spm_control(void);
+void transfer_to_reg_control(void);
+void dramc_phy_reset(u32 channel);
+void clk_duty_cal(u32 channel);
+void div2_phase_sync(void);
+void dramc_runtime_config(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void dramc_rankinctl_config(u32 channel, const struct mt8173_sdram_params *sdram_params);
+
+/* dramc init prototypes */
+void mem_pll_init(const struct mt8173_sdram_params *sdram_params);
+void dramc_init(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void dramc_pre_init(u32 channel, const struct mt8173_sdram_params *sdram_params);
+
+/* mandatory calibration function prototypes */
+void tx_window_perbit_cal(u32 channel);
+void rx_window_perbit_cal(u32 channel);
+void perbit_window_cal(u32 channel, u8 type);
+void sw_impedance_cal(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void ca_training(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void rx_dqs_gating_cal(u32 channel, u8 rank, const struct mt8173_sdram_params *sdram_params);
+void dual_rank_rx_datlat_cal(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void dual_rank_rx_dqs_gating_cal(u32 channel, const struct mt8173_sdram_params *sdram_params);
+void write_leveling(u32 channel, const struct mt8173_sdram_params *sdram_params);
+
+u8 dramk_calcu_best_dly(u8 bit, struct dqs_perbit_dly *p, u8 *p_max_byte);
+u8 is_dual_rank(u32 channel, const struct mt8173_sdram_params *sdram_params);
+u8 rx_datlat_cal(u32 channel, u8 rank, const struct mt8173_sdram_params *sdram_params);
+u32 dram_k_perbit(u32 channel);
+u32 dramc_engine2(u32 channel, enum dram_tw_op wr, u32 test2_1, u32 test2_2,
+ u8 testaudpat, u8 log2loopcount);
+
+void dramk_check_dqs_win(struct dqs_perbit_dly *p, u8 dly_step, u8 last_step, u32 fail_bit);
+void dramk_check_dq_win(struct dqs_perbit_dly *p, u8 dly_step, u8 last_step, u32 fail_bit);
+
+void tx_delay_for_wrleveling(u32 channel, struct dqs_perbit_dly *dqdqs_perbit_dly,
+ u8 *ave_dqdly_byte, u8 *max_dqsdly_byte);
+
+#if CONFIG_DEBUG_DRAM
+#define dramc_dbg_msg(_x_...) printk(BIOS_DEBUG, _x_)
+#else
+#define dramc_dbg_msg(_x_...)
+#endif
+
+#endif /* _PI_API_H */
diff --git a/src/soc/mediatek/mt8173/include/soc/dramc_register.h b/src/soc/mediatek/mt8173/include/soc/dramc_register.h
new file mode 100644
index 0000000000..ce6517376f
--- /dev/null
+++ b/src/soc/mediatek/mt8173/include/soc/dramc_register.h
@@ -0,0 +1,522 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DRAMC_REGISTER_H_
+#define _DRAMC_REGISTER_H_
+
+#include <stddef.h>
+#include <types.h>
+
+#define DRIVING_DS2_0 7 /* DS[2:0] 7->6 */
+#define DEFAULT_DRIVING 0x99009900
+
+enum {
+ /* CONF2 = 0x008 */
+ CONF2_TEST1_EN = BIT(29),
+ CONF2_TEST2R_EN = BIT(30),
+ CONF2_TEST2W_EN = BIT(31),
+ /* PADCTL1 = 0x00c */
+ PADCTL1_CLK_SHIFT = 24,
+ PADCTL1_CS1_SHIFT = 28,
+ /* PADCTL2 = 0x010 */
+ MASK_PADCTL2_16BIT = 0x000000ff,
+ MASK_PADCTL2_32BIT = 0x0000ffff,
+ MASK_PADCTL2 = 0xffff0000,
+ PADCTL2_SHIFT = 0,
+ /* TEST2_3 = 0x044 */
+ TEST2_3_TESTCNT_SHIFT = 0,
+ TEST2_3_TESTCNT_MASK = (0xful << TEST2_3_TESTCNT_SHIFT),
+ TEST2_3_TESTAUDPAT_EN = BIT(7),
+ TEST2_3_ADVREFEN_EN = BIT(30),
+ /* TEST2_4 = 0x048 */
+ TEST2_4_TESTAUDINC_SHIFT = 0,
+ TEST2_4_TESTAUDINC_MASK = (0x1ful << TEST2_4_TESTAUDINC_SHIFT),
+ TEST2_4_TESTAUDINIT_SHIFT = 8,
+ TEST2_4_TESTAUDINIT_MASK = (0x1ful << TEST2_4_TESTAUDINIT_SHIFT),
+ TEST2_4_TESTAUDBITINV_EN = BIT(14),
+ TEST2_4_TESTAUDMODE_EN = BIT(15),
+ TEST2_4_TESTXTALKPAT_EN = BIT(16),
+ /* DDR2CTL = 0x07c */
+ DDR2CTL_WOEN_SHIFT = 3,
+ DDR2CTL_DATLAT_SHIFT = 4,
+ /* MISC = 0x80 */
+ MISC_LATNORMP_SHIFT = 0,
+ MISC_DATLAT_DSEL_SHIFT = 8,
+ /* MRS = 0x088 */
+ MASK_MR2_OP = 0x00800000,
+ /* R0 R1 DQSIEN = 0x094 */
+ DQSIEN_DQS0IEN_SHIFT = 0,
+ DQSIEN_DQS1IEN_SHIFT = 8,
+ DQSIEN_DQS2IEN_SHIFT = 16,
+ DQSIEN_DQS3IEN_SHIFT = 24,
+ /* MCKDLY = 0x0d8 */
+ MCKDLY_DQIENLAT_SHIFT = 4,
+ MCKDLY_DQIENQKEND_SHIFT = 10,
+ MCKDLY_FIXDQIEN_SHIFT = 12,
+ MCKDLY_FIXODT_SHIFT = 23,
+ /* DQSCTL1 = 0x0e0 */
+ DQSCTL1_DQSINCTL_SHIFT = 24,
+ DQSCTL1_DQSIENMODE_SHIFT = 28,
+ /* PADCTL4 = 0x0e4 */
+ PADCTL4_CKEFIXON_SHIFT = 2,
+ PADCTL4_DATLAT3_SHIFT = 4,
+ /* PHYCTL1 = 0x0f0 */
+ PHYCTL1_DATLAT4_SHIFT = 25,
+ PHYCTL1_PHYRST_SHIFT = 28,
+ /* GDDR3CTL1 = 0x0f4 */
+ GDDR3CTL1_BKSWAP_SHIFT = 20,
+ GDDR3CTL1_RDATRST_SHIFT = 25,
+ GDDR3CTL1_DQMSWAP_SHIFT = 31,
+ /* RKCFG = 0x110 */
+ MASK_RKCFG_RKSWAP_EN = 0x08,
+ RKCFG_PBREF_DISBYRATE_SHIFT = 6,
+ RKCFG_WDATKEY64_SHIFT = 29,
+ /* DQSCTL2 = 0x118 */
+ DQSCTL2_DQSINCTL_SHIFT = 0,
+ /* DQSGCTL = 0x124 */
+ DQSGCTL_DQSGDUALP_SHIFT = 30,
+ /* PHYCLKDUTY = 0x148 */
+ PHYCLKDUTY_CMDCLKP0DUTYN_SHIFT = 16,
+ PHYCLKDUTY_CMDCLKP0DUTYP_SHIFT = 18,
+ PHYCLKDUTY_CMDCLKP0DUTYSEL_SHIFT = 28,
+ /* CMDDLY0 = 0x1a8 */
+ CMDDLY0_RA0_SHIFT = 0,
+ CMDDLY0_RA1_SHIFT = 8,
+ CMDDLY0_RA2_SHIFT = 16,
+ CMDDLY0_RA3_SHIFT = 24,
+ /* CMDDLY1 = 0x1ac */
+ CMDDLY1_RA7_SHIFT = 24,
+ /* CMDDLY3 = 0x1b4 */
+ CMDDLY3_BA0_SHIFT = 8,
+ CMDDLY3_BA1_SHIFT = 16,
+ CMDDLY3_BA2_SHIFT = 24,
+ /* CMDDLY4 = 0x1b8 */
+ CMDDLY4_CS_SHIFT = 0,
+ CMDDLY4_CKE_SHIFT = 8,
+ CMDDLY4_RAS_SHIFT = 16,
+ CMDDLY4_CAS_SHIFT = 24,
+ /* CMDDLY5 = 0x1bc */
+ CMDDLY5_WE_SHIFT = 8,
+ CMDDLY5_RA13_SHIFT = 16,
+ /* DQSCAL0 = 0x1c0 */
+ DQSCAL0_RA14_SHIFT = 24,
+ DQSCAL0_STBCALEN_SHIFT = 31,
+ /* DQSCAL1 = 0x1c4 */
+ DQSCAL1_CKE1_SHIFT = 24,
+ /* IMPCAL = 0x1c8 */
+ IMP_CALI_EN_SHIFT = 0,
+ IMP_CALI_HW_SHIFT = 1,
+ IMP_CALI_ENN_SHIFT = 4,
+ IMP_CALI_ENP_SHIFT = 5,
+ IMP_CALI_PDN_SHIFT = 6,
+ IMP_CALI_PDP_SHIFT = 7,
+ IMP_CALI_DRVP_SHIFT = 8,
+ IMP_CALI_DRVN_SHIFT = 12,
+ /* JMETER for PLL2, PLL3, PLL4 */
+ JMETER_EN_BIT= BIT(0),
+ JMETER_COUNTER_SHIFT = 16,
+ JMETER_COUNTER_MASK = (0xffff << JMETER_COUNTER_SHIFT),
+ /* SPCMD = 0x1e4 */
+ SPCMD_MRWEN_SHIFT = 0,
+ SPCMD_DQSGCNTEN_SHIFT = 8,
+ SPCMD_DQSGCNTRST_SHIFT = 9,
+ /* JMETER for PLL2/3/4 ST */
+ JMETER_PLL_ZERO_SHIFT = 0,
+ JMETER_PLL_ONE_SHIFT = 16,
+ /* TESTRPT = 0x3fc */
+ TESTRPT_DM_CMP_CPT_SHIFT = 10,
+ TESTRPT_DM_CMP_ERR_SHIFT = 14,
+ /* SELPH2 = 0x404 */
+ SELPH2_TXDLY_DQSGATE_SHIFT = 12,
+ SELPH2_TXDLY_DQSGATE_P1_SHIFT = 20,
+ /* SELPH5 = 0x410 */
+ SELPH5_DLY_DQSGATE_SHIFT = 22,
+ SELPH5_DLY_DQSGATE_P1_SHIFT = 24,
+ /* SELPH6_1 = 0x418 */
+ SELPH6_1_DLY_R1DQSGATE_SHIFT = 0,
+ SELPH6_1_DLY_R1DQSGATE_P1_SHIFT = 2,
+ SELPH6_1_TXDLY_R1DQSGATE_SHIFT = 4,
+ SELPH6_1_TXDLY_R1DQSGATE_P1_SHIFT = 8,
+ /* MEMPLL_S14 = 0x638 */
+ MASK_MEMPLL_DL = 0xc0ffffff,
+ MEMPLL_FB_DL_SHIFT = 0,
+ MEMPLL_REF_DL_SHIFT = 8,
+ MEMPLL_DL_SHIFT = 24,
+ MEMPLL_MODE_SHIFT = 29,
+ /* MEMPLL_DIVIDER = 0x640 */
+ MEMCLKENB_SHIFT = 5
+};
+
+struct dramc_ao_regs {
+ uint32_t actim0; /* 0x0 */
+ uint32_t conf1; /* 0x4 */
+ uint32_t conf2; /* 0x8 */
+ uint32_t rsvd_ao1[3]; /* 0xc */
+ uint32_t r0deldly; /* 0x18 */
+ uint32_t r1deldly; /* 0x1c */
+ uint32_t r0difdly; /* 0x20 */
+ uint32_t r1difdly; /* 0x24 */
+ uint32_t dllconf; /* 0x28 */
+ uint32_t rsvd_ao2[6]; /* 0x2c */
+ uint32_t test2_3; /* 0x44 */
+ uint32_t test2_4; /* 0x48 */
+ uint32_t catraining; /* 0x4c */
+ uint32_t catraining2; /* 0x50 */
+ uint32_t wodt; /* 0x54 */
+ uint32_t rsvd_ao3[9]; /* 0x58 */
+ uint32_t ddr2ctl; /* 0x7c */
+ uint32_t misc; /* 0x80 */
+ uint32_t zqcs; /* 0x84 */
+ uint32_t mrs; /* 0x88 */
+ uint32_t clk1delay; /* 0x8c */
+ uint32_t rsvd_ao4[1]; /* 0x90 */
+ uint32_t dqsien[2]; /* 0x94 */
+ uint32_t rsvd_ao5[2]; /* 0x9c */
+ uint32_t iodrv1; /* 0xa4 */
+ uint32_t iodrv2; /* 0xa8 */
+ uint32_t iodrv3; /* 0xac */
+ uint32_t iodrv4; /* 0xb0 */
+ uint32_t iodrv5; /* 0xb4 */
+ uint32_t iodrv6; /* 0xb8 */
+ uint32_t drvctl1; /* 0xbc */
+ uint32_t dllsel; /* 0xc0 */
+ uint32_t rsvd_ao7[5]; /* 0xc4 */
+ uint32_t mckdly; /* 0xd8 */
+ uint32_t rsvd_ao8[1]; /* 0xdc */
+ uint32_t dqsctl1; /* 0xe0 */
+ uint32_t padctl4; /* 0xe4 */
+ uint32_t rsvd_ao9[2]; /* 0xe8 */
+ uint32_t phyctl1; /* 0xf0 */
+ uint32_t gddr3ctl1; /* 0xf4 */
+ uint32_t padctl7; /* 0xf8 */
+ uint32_t misctl0; /* 0xfc */
+ uint32_t ocdk; /* 0x100 */
+ uint32_t rsvd_ao10[3]; /* 0x104 */
+ uint32_t rkcfg; /* 0x110 */
+ uint32_t ckphdet; /* 0x114 */
+ uint32_t dqsctl2; /* 0x118 */
+ uint32_t rsvd_ao11[5]; /* 0x11c */
+ uint32_t clkctl; /* 0x130 */
+ uint32_t rsvd_ao12[1]; /* 0x134 */
+ uint32_t dummy; /* 0x138 */
+ uint32_t write_leveling; /* 0x13c */
+ uint32_t rsvd_ao13[10]; /* 0x140 */
+ uint32_t arbctl0; /* 0x168 */
+ uint32_t rsvd_ao14[21]; /* 0x16c */
+ uint32_t dqscal0; /* 0x1c0 */
+ uint32_t dqscal1; /* 0x1c4 */
+ uint32_t impcal; /* 0x1c8 */
+ uint32_t rsvd_ao15[4]; /* 0x1cc */
+ uint32_t dramc_pd_ctrl; /* 0x1dc */
+ uint32_t lpddr2_3; /* 0x1e0 */
+ uint32_t spcmd; /* 0x1e4 */
+ uint32_t actim1; /* 0x1e8 */
+ uint32_t perfctl0; /* 0x1ec */
+ uint32_t ac_derating; /* 0x1f0 */
+ uint32_t rrrate_ctl; /* 0x1f4 */
+ uint32_t ac_time_05t; /* 0x1f8 */
+ uint32_t mrr_ctl; /* 0x1fc */
+ uint32_t rsvd_ao16[4]; /* 0x200 */
+ uint32_t dqidly[9]; /* 0x210 */
+ uint32_t rsvd_ao17[115]; /* 0x234 */
+ uint32_t selph1; /* 0x400 */
+ uint32_t selph2; /* 0x404 */
+ uint32_t selph3; /* 0x408 */
+ uint32_t selph4; /* 0x40c */
+ uint32_t selph5; /* 0x410 */
+ uint32_t selph6; /* 0x414 */
+ uint32_t selph6_1; /* 0x418 */
+ uint32_t selph7; /* 0x41c */
+ uint32_t selph8; /* 0x420 */
+ uint32_t selph9; /* 0x424 */
+ uint32_t selph10; /* 0x428 */
+ uint32_t selph11; /* 0x42c */
+};
+
+check_member(dramc_ao_regs, selph11, 0x42c);
+
+struct dramc_nao_regs {
+ uint32_t rsvd_nao1[11]; /* 0x0 */
+ uint32_t test_mode; /* 0x2c */
+ uint32_t rsvd_nao2[3]; /* 0x30 */
+ uint32_t test2_1; /* 0x3c */
+ uint32_t test2_2; /* 0x40 */
+ uint32_t rsvd_nao3[48]; /* 0x44 */
+ uint32_t lbwdat0; /* 0x104 */
+ uint32_t lbwdat1; /* 0x108 */
+ uint32_t lbwdat2; /* 0x10c */
+ uint32_t rsvd_nao4[1]; /* 0x110 */
+ uint32_t ckphdet; /* 0x114 */
+ uint32_t rsvd_nao5[48]; /* 0x118 */
+ uint32_t dmmonitor; /* 0x1d8 */
+ uint32_t rsvd_nao6[41]; /* 0x1dc */
+ uint32_t r2r_page_hit_counter; /* 0x280 */
+ uint32_t r2r_page_miss_counter; /* 0x284 */
+ uint32_t r2r_interbank_counter; /* 0x288 */
+ uint32_t r2w_page_hit_counter; /* 0x28c */
+ uint32_t r2w_page_miss_counter; /* 0x290 */
+ uint32_t r2w_interbank_counter; /* 0x294 */
+ uint32_t w2r_page_hit_counter; /* 0x298 */
+ uint32_t w2r_page_miss_counter; /* 0x29c */
+ uint32_t w2r_page_interbank_counter; /* 0x2a0 */
+ uint32_t w2w_page_hit_counter; /* 0x2a4 */
+ uint32_t w2w_page_miss_counter; /* 0x2a8 */
+ uint32_t w2w_page_interbank_counter; /* 0x2ac */
+ uint32_t dramc_idle_counter; /* 0x2b0 */
+ uint32_t freerun_26m_counter; /* 0x2b4 */
+ uint32_t refresh_pop_counter; /* 0x2b8 */
+ uint32_t jmeter_st; /* 0x2bc */
+ uint32_t dq_cal_max[8]; /* 0x2c0 */
+ uint32_t dqs_cal_min[8]; /* 0x2e0 */
+ uint32_t dqs_cal_max[8]; /* 0x300 */
+ uint32_t rsvd_nao7[4]; /* 0x320 */
+ uint32_t read_bytes_counter; /* 0x330 */
+ uint32_t write_bytes_counter; /* 0x334 */
+ uint32_t rsvd_nao8[6]; /* 0x338 */
+ uint32_t dqical[4]; /* 0x350 */
+ uint32_t rsvd_nao9[4]; /* 0x360 */
+ uint32_t cmp_err; /* 0x370 */
+ uint32_t r0dqsiendly; /* 0x374 */
+ uint32_t r1dqsiendly; /* 0x378 */
+ uint32_t rsvd_nao10[9]; /* 0x37c */
+ uint32_t dqsdly0; /* 0x3a0 */
+ uint32_t rsvd_nao11[4]; /* 0x3a4 */
+ uint32_t mrrdata; /* 0x3b4 */
+ uint32_t spcmdresp; /* 0x3b8 */
+ uint32_t iorgcnt; /* 0x3bc */
+ uint32_t dqsgnwcnt[6]; /* 0x3c0 */
+ uint32_t rsvd_nao12[4]; /* 0x3d8 */
+ uint32_t ckphcnt; /* 0x3e8 */
+ uint32_t rsvd_nao13[4]; /* 0x3ec */
+ uint32_t testrpt; /* 0x3fc */
+};
+
+check_member(dramc_nao_regs, testrpt, 0x3fc);
+
+struct dramc_ddrphy_regs {
+ uint32_t rsvd_phy1[3]; /* 0x0 */
+ uint32_t padctl1; /* 0xc */
+ uint32_t padctl2; /* 0x10 */
+ uint32_t padctl3; /* 0x14 */
+ uint32_t rsvd_phy2[25]; /* 0x18 */
+ uint32_t ddr2ctl; /* 0x7c */
+ uint32_t rsvd_phy3[3]; /* 0x80 */
+ uint32_t clk1delay; /* 0x8c */
+ uint32_t ioctl; /* 0x90 */
+ uint32_t rsvd_phy4[7]; /* 0x94 */
+ uint32_t iodrv4; /* 0xb0 */
+ uint32_t iodrv5; /* 0xb4 */
+ uint32_t iodrv6; /* 0xb8 */
+ uint32_t drvctl1; /* 0xbc */
+ uint32_t dllsel; /* 0xc0 */
+ uint32_t rsvd_phy5[2]; /* 0xc4 */
+ uint32_t tdsel[3]; /* 0xcc */
+ uint32_t mckdly; /* 0xd8 */
+ uint32_t dqsctl0; /* 0xdc */
+ uint32_t dqsctl1; /* 0xe0 */
+ uint32_t dqsctl4; /* 0xe4 */
+ uint32_t dqsctl5; /* 0xe8 */
+ uint32_t dqsctl6; /* 0xec */
+ uint32_t phyctl1; /* 0xf0 */
+ uint32_t gddr3ctl1; /* 0xf4 */
+ uint32_t rsvd_phy6[1]; /* 0xf8 */
+ uint32_t misctl0; /* 0xfc */
+ uint32_t ocdk; /* 0x100 */
+ uint32_t rsvd_phy7[8]; /* 0x104 */
+ uint32_t dqsgctl; /* 0x124 */
+ uint32_t rsvd_phy8[6]; /* 0x128 */
+ uint32_t ddrphydqsgctl; /* 0x140 */
+ uint32_t dqsgct2; /* 0x144 */
+ uint32_t phyclkduty; /* 0x148 */
+ uint32_t rsvd_phy9[3]; /* 0x14c */
+ uint32_t dqsisel; /* 0x158 */
+ uint32_t dqmdqs_sel; /* 0x15c */
+ uint32_t rsvd_phy10[10]; /* 0x160 */
+ uint32_t jmeterpop1; /* 0x188 */
+ uint32_t jmeterpop2; /* 0x18c */
+ uint32_t jmeterpop3; /* 0x190 */
+ uint32_t jmeterpop4; /* 0x194 */
+ uint32_t rsvd_phy11[4]; /* 0x198 */
+ uint32_t cmddly[6]; /* 0x1a8 */
+ uint32_t dqscal0; /* 0x1c0 */
+ uint32_t rsvd_phy12[2]; /* 0x1c4 */
+ uint32_t jmeter[3]; /* 0x1cc */
+ uint32_t rsvd_phy13[2]; /* 0x1d8 */
+ uint32_t lpddr2_3; /* 0x1e0 */
+ uint32_t spcmd; /* 0x1e4 */
+ uint32_t rsvd_phy14[6]; /* 0x1e8 */
+ uint32_t dqodly[4]; /* 0x200 */
+ uint32_t rsvd_phy15[11]; /* 0x210 */
+ uint32_t lpddr2_4; /* 0x23c */
+ uint32_t rsvd_phy16[56]; /* 0x240 */
+ uint32_t jmeter_pll_st[3]; /* 0x320 */
+ uint32_t jmeter_done_st; /* 0x32c */
+ uint32_t rsvd_phy17[2]; /* 0x330 */
+ uint32_t jmeter_pll1_st; /* 0x338 */
+ uint32_t jmeter_pop_pll2_st; /* 0x33c */
+ uint32_t jmeter_pop_pll3_st; /* 0x340 */
+ uint32_t jmeter_pop_pll4_st; /* 0x344 */
+ uint32_t jmeter_pop_pll1_st; /* 0x348 */
+ uint32_t rsvd_phy18[13]; /* 0x34c */
+ uint32_t dq_o1; /* 0x380 */
+ uint32_t rsvd_phy19[2]; /* 0x384 */
+ uint32_t stben[4]; /* 0x38c */
+ uint32_t rsvd_phy20[16]; /* 0x39c */
+ uint32_t dllcnt0; /* 0x3dc */
+ uint32_t pllautok; /* 0x3e0 */
+ uint32_t poppllautok; /* 0x3e4 */
+ uint32_t rsvd_phy21[18]; /* 0x3e8 */
+ uint32_t selph12; /* 0x430 */
+ uint32_t selph13; /* 0x434 */
+ uint32_t selph14; /* 0x438 */
+ uint32_t selph15; /* 0x43c */
+ uint32_t selph16; /* 0x440 */
+ uint32_t selph17; /* 0x444 */
+ uint32_t selph18; /* 0x448 */
+ uint32_t selph19; /* 0x44c */
+ uint32_t selph20; /* 0x450 */
+ uint32_t rsvd_phy22[91]; /* 0x454 */
+ uint32_t peri[4]; /* 0x5c0 */
+ uint32_t rsvd_phy23[12]; /* 0x5d0 */
+ uint32_t mempll[15]; /* 0x600 */
+ uint32_t ddrphy_cg_ctrl; /* 0x63c */
+ uint32_t mempll_divider; /* 0x640 */
+ uint32_t vrefctl0; /* 0x644 */
+ uint32_t rsvd_phy24[18]; /* 0x648 */
+ uint32_t mempll05_divider; /* 0x690 */
+};
+
+check_member(dramc_ddrphy_regs, mempll05_divider, 0x690);
+
+struct emi_regs {
+ uint32_t emi_cona; /* 0x0 */
+ uint32_t rsvd_emi1; /* 0x4 */
+ uint32_t emi_conb; /* 0x08 */
+ uint32_t rsvd_emi2; /* 0x0c */
+ uint32_t emi_conc; /* 0x10 */
+ uint32_t rsvd_emi3; /* 0x14 */
+ uint32_t emi_cond; /* 0x18 */
+ uint32_t rsvd_emi4; /* 0x1c */
+ uint32_t emi_cone; /* 0x20 */
+ uint32_t rsvd_emi5; /* 0x24 */
+ uint32_t emi_conf; /* 0x28 */
+ uint32_t rsvd_emi6; /* 0x2c */
+ uint32_t emi_cong; /* 0x30 */
+ uint32_t rsvd_emi7; /* 0x34 */
+ uint32_t emi_conh; /* 0x38 */
+ uint32_t rsvd_emi8[9]; /* 0x3c */
+ uint32_t emi_conm; /* 0x60 */
+ uint32_t rsvd_emi9[5]; /* 0x64 */
+ uint32_t emi_mdct; /* 0x78 */
+ uint32_t rsvd_emi10[21]; /* 0x7c */
+ uint32_t emi_test0; /* 0xd0 */
+ uint32_t rsvd_emi11; /* 0xd4 */
+ uint32_t emi_test1; /* 0xd8 */
+ uint32_t rsvd_emi12; /* 0xdc */
+ uint32_t emi_testa; /* 0xe0 */
+ uint32_t rsvd_emi13; /* 0xe4 */
+ uint32_t emi_testb; /* 0xe8 */
+ uint32_t rsvd_emi14; /* 0xec */
+ uint32_t emi_testc; /* 0xf0 */
+ uint32_t rsvd_emi15; /* 0xf4 */
+ uint32_t emi_testd; /* 0xf8 */
+ uint32_t rsvd_emi16; /* 0xfc */
+ uint32_t emi_arba; /* 0x100 */
+ uint32_t rsvd_emi17[3]; /* 0x104 */
+ uint32_t emi_arbc; /* 0x110 */
+ uint32_t rsvd_emi18; /* 0x114 */
+ uint32_t emi_arbd; /* 0x118 */
+ uint32_t rsvd_emi19; /* 0x11c */
+ uint32_t emi_arbe; /* 0x120 */
+ uint32_t rsvd_emi20; /* 0x124 */
+ uint32_t emi_arbf; /* 0x128 */
+ uint32_t rsvd_emi21; /* 0x12c */
+ uint32_t emi_arbg; /* 0x130 */
+ uint32_t rsvd_emi22; /* 0x134 */
+ uint32_t emi_arbh; /* 0x138 */
+ uint32_t rsvd_emi23; /* 0x13c */
+ uint32_t emi_arbi; /* 0x140 */
+ uint32_t emi_arbi_2nd; /* 0x144 */
+ uint32_t emi_arbj; /* 0x148 */
+ uint32_t emi_arbj_2nd; /* 0x14c */
+ uint32_t emi_arbk; /* 0x150 */
+ uint32_t emi_arbk_2nd; /* 0x154 */
+ uint32_t emi_slct; /* 0x158 */
+ uint32_t rsvd_emi24; /* 0x15C */
+ uint32_t emi_mpua; /* 0x160 */
+ uint32_t rsvd_emi25; /* 0x164 */
+ uint32_t emi_mpub; /* 0x168 */
+ uint32_t rsvd_emi26; /* 0x16c */
+ uint32_t emi_mpuc; /* 0x170 */
+ uint32_t rsvd_emi27; /* 0x174 */
+ uint32_t emi_mpud; /* 0x178 */
+ uint32_t rsvd_emi28; /* 0x17C */
+ uint32_t emi_mpue; /* 0x180 */
+ uint32_t rsvd_emi29; /* 0x184 */
+ uint32_t emi_mpuf; /* 0x188 */
+ uint32_t rsvd_emi30; /* 0x18C */
+ uint32_t emi_mpug; /* 0x190 */
+ uint32_t rsvd_emi31; /* 0x194 */
+ uint32_t emi_mpuh; /* 0x198 */
+ uint32_t rsvd_emi32; /* 0x19C */
+ uint32_t emi_mpui; /* 0x1A0 */
+ uint32_t rsvd_emi33; /* 0x1A4 */
+ uint32_t emi_mpuj; /* 0x1A8 */
+ uint32_t rsvd_emi34; /* 0x1AC */
+ uint32_t emi_mpuk; /* 0x1B0 */
+ uint32_t rsvd_emi35; /* 0x1B4 */
+ uint32_t emi_mpul; /* 0x1B8 */
+ uint32_t rsvd_emi36; /* 0x1BC */
+ uint32_t emi_mpum; /* 0x1C0 */
+ uint32_t rsvd_emi37; /* 0x1C4 */
+ uint32_t emi_mpun; /* 0x1C8 */
+ uint32_t rsvd_emi38; /* 0x1CC */
+ uint32_t emi_mpuo; /* 0x1D0 */
+ uint32_t rsvd_emi39; /* 0x1D4 */
+ uint32_t emi_mpup; /* 0x1D8 */
+ uint32_t rsvd_emi40; /* 0x1DC */
+ uint32_t emi_mpuq; /* 0x1E0 */
+ uint32_t rsvd_emi41; /* 0x1E4 */
+ uint32_t emi_mpur; /* 0x1E8 */
+ uint32_t rsvd_emi42; /* 0x1EC */
+ uint32_t emi_mpus; /* 0x1F0 */
+ uint32_t rsvd_emi43; /* 0x1F4 */
+ uint32_t emi_mput; /* 0x1F8 */
+ uint32_t rsvd_emi44; /* 0x1FC */
+ uint32_t emi_mpuu; /* 0x200 */
+ uint32_t rsvd_emi45[7]; /* 0x204 */
+ uint32_t emi_mpuy; /* 0x220 */
+ uint32_t rsvd_emi46[119]; /* 0x224 */
+ uint32_t emi_bmen; /* 0x400 */
+};
+
+check_member(emi_regs, emi_bmen, 0x400);
+
+extern struct dramc_ao_regs *ao_regs;
+extern struct dramc_nao_regs *nao_regs;
+extern struct dramc_ddrphy_regs *ddrphy_regs;
+
+struct dramc_channel {
+ struct dramc_ao_regs *ao_regs;
+ struct dramc_nao_regs *nao_regs;
+ struct dramc_ddrphy_regs *ddrphy_regs;
+};
+
+static struct dramc_channel const ch[2] = {
+ {(void *)CHA_DRAMCAO_BASE, (void *)CHA_DRAMCNAO_BASE, (void *)CHA_DDRPHY_BASE},
+ {(void *)CHB_DRAMCAO_BASE, (void *)CHB_DRAMCNAO_BASE, (void *)CHB_DDRPHY_BASE}
+};
+
+#endif /* _DRAMC_REGISTER_H_ */
diff --git a/src/soc/mediatek/mt8173/include/soc/emi.h b/src/soc/mediatek/mt8173/include/soc/emi.h
new file mode 100644
index 0000000000..d3a2aeec9c
--- /dev/null
+++ b/src/soc/mediatek/mt8173/include/soc/emi.h
@@ -0,0 +1,140 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOC_MEDIATEK_MT8173_EMI_H
+#define SOC_MEDIATEK_MT8173_EMI_H
+
+#include <soc/dramc_common.h>
+#include <stdint.h>
+
+/* DDR type */
+enum ram_type {
+ TYPE_INVALID,
+ TYPE_DDR1,
+ TYPE_LPDDR2,
+ TYPE_LPDDR3,
+ TYPE_PCDDR3
+};
+
+enum {
+ /*
+ * Vmem voltage adjustment:
+ * 1) HV: high voltage
+ * 2) NV: normal voltage
+ * 3) LV: low voltage
+ */
+ Vmem_HV_LPDDR3 = 0x50, /* 1.300V */
+ Vmem_NV_LPDDR3 = 0x44, /* 1.225V */
+ Vmem_LV_LPDDR3 = 0x36 /* 1.138V */
+};
+
+enum {
+ /*
+ * Vcore voltage adjustment:
+ * 1) HHV: extra high voltage
+ * 2) HV: high voltage
+ * 3) NV: normal voltage
+ * 4) LV: low voltage
+ * 5) LLV: extra low voltage
+ */
+ Vcore_HHV_LPPDR3 = 0x60, /* 1.300V */
+ Vcore_HV_LPPDR3 = 0x48, /* 1.150V */
+ Vcore_NV_LPPDR3 = 0x44, /* 1.125V */
+ Vcore_LV_LPPDR3 = 0x34, /* 1.025V */
+ Vcore_LLV_LPPDR3 = 0x25 /* 0.931V */
+};
+
+struct mt8173_calib_params {
+ u8 impedance_drvp;
+ u8 impedance_drvn;
+ u8 datlat_ucfirst;
+ s8 ca_train[CHANNEL_NUM][CATRAINING_NUM];
+ s8 ca_train_center[CHANNEL_NUM];
+ s8 wr_level[CHANNEL_NUM][DQS_NUMBER];
+ u8 gating_win[CHANNEL_NUM][DUAL_RANKS][GW_PARAM_NUM];
+ u32 rx_dqs_dly[CHANNEL_NUM];
+ u32 rx_dq_dly[CHANNEL_NUM][DQS_BIT_NUMBER];
+};
+
+struct mt8173_timing_params {
+ u32 actim;
+ u32 actim1;
+ u32 actim05t;
+ u32 conf1;
+ u32 conf2;
+ u32 ddr2ctl;
+ u32 gddr3ctl1;
+ u32 misctl0;
+ u32 pd_ctrl;
+ u32 rkcfg;
+ u32 test2_4;
+ u32 test2_3;
+};
+
+struct mt8173_emi_params {
+ u32 cona;
+ u32 conb;
+ u32 conc;
+ u32 cond;
+ u32 cone;
+ u32 conf;
+ u32 cong;
+ u32 conh;
+ u32 conm_1;
+ u32 conm_2;
+ u32 mdct_1;
+ u32 mdct_2;
+ u32 test0;
+ u32 test1;
+ u32 testb;
+ u32 testc;
+ u32 testd;
+ u32 arba;
+ u32 arbc;
+ u32 arbd;
+ u32 arbe;
+ u32 arbf;
+ u32 arbg;
+ u32 arbi;
+ u32 arbj;
+ u32 arbk;
+ u32 slct_1;
+ u32 slct_2;
+ u32 bmen;
+};
+
+struct mt8173_mrs_params {
+ u32 mrs_1;
+ u32 mrs_2;
+ u32 mrs_3;
+ u32 mrs_10;
+ u32 mrs_11;
+ u32 mrs_63;
+};
+
+struct mt8173_sdram_params {
+ struct mt8173_calib_params calib_params;
+ struct mt8173_timing_params ac_timing;
+ struct mt8173_emi_params emi_set;
+ struct mt8173_mrs_params mrs_set;
+ enum ram_type type;
+ unsigned int dram_freq;
+};
+
+void mt_set_emi(const struct mt8173_sdram_params *sdram_params);
+void mt_mem_init(const struct mt8173_sdram_params *sdram_params);
+const struct mt8173_sdram_params *get_sdram_config(void);
+
+#endif
diff --git a/src/soc/mediatek/mt8173/include/soc/pll.h b/src/soc/mediatek/mt8173/include/soc/pll.h
index 1eab709462..6d38bb3447 100644
--- a/src/soc/mediatek/mt8173/include/soc/pll.h
+++ b/src/soc/mediatek/mt8173/include/soc/pll.h
@@ -16,6 +16,7 @@
#ifndef SOC_MEDIATEK_MT8173_PLL_H
#define SOC_MEDIATEK_MT8173_PLL_H
+#include <soc/emi.h>
#include <soc/addressmap.h>
struct mt8173_topckgen_regs {
@@ -285,5 +286,9 @@ void mt_pll_post_init(void);
void mt_pll_init(void);
void mt_pll_set_aud_div(u32 rate);
void mt_pll_enable_ssusb_clk(void);
+void mt_mem_pll_set_clk_cfg(void);
+void mt_mem_pll_config_pre(const struct mt8173_sdram_params *sdram_params);
+void mt_mem_pll_config_post(void);
+void mt_mem_pll_mux(void);
#endif /* SOC_MEDIATEK_MT8173_PLL_H */
diff --git a/src/soc/mediatek/mt8173/memory.c b/src/soc/mediatek/mt8173/memory.c
new file mode 100644
index 0000000000..3db9df869e
--- /dev/null
+++ b/src/soc/mediatek/mt8173/memory.c
@@ -0,0 +1,357 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/io.h>
+#include <assert.h>
+#include <console/console.h>
+#include <soc/addressmap.h>
+#include <soc/dramc_register.h>
+#include <soc/dramc_pi_api.h>
+#include <soc/emi.h>
+#include <soc/pll.h>
+
+enum {
+ /* test patterns */
+ PATTERN0 = 0x00000000,
+ PATTERN1 = 0x5A5A5A5A,
+ PATTERN2 = 0xA5A5A5A5,
+ PATTERN3 = 0xA5A5A500,
+ PATTERN4 = 0xA500A500,
+ PATTERN5 = 0xA5000000,
+ PATTERN6 = 0xFFFF0000,
+ PATTERN7 = 0x0000FFFF,
+ PATTERN8 = 0x00000012,
+ PATTERN9 = 0x00000034,
+ PATTERNA = 0x00000056,
+ PATTERNB = 0x00000078,
+ PATTERNC = 0x00001234,
+ PATTERND = 0x00005678,
+ PATTERNE = 0x12345678,
+ PATTERNF = 0xFFFFFFFF
+};
+
+static int complex_mem_test(unsigned int start, unsigned int len)
+{
+ unsigned char *mem8_base = (unsigned char *)(uintptr_t)start;
+ unsigned short *mem16_base = (unsigned short *)(uintptr_t)start;
+ unsigned int *mem32_base = (unsigned int *)(uintptr_t)start;
+ unsigned int *mem_base = (unsigned int *)(uintptr_t)start;
+ unsigned char pattern8;
+ unsigned short pattern16;
+ unsigned int i, j, size, pattern32;
+ unsigned int value;
+
+ size = len >> 2;
+
+ /* verify the tied bits (tied high) */
+ for (i = 0; i < size; i++) {
+ mem32_base[i] = PATTERN0;
+ }
+
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN0) {
+ return -1;
+ } else {
+ mem32_base[i] = PATTERNF;
+ }
+ }
+
+ /* verify the tied bits (tied low) */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERNF) {
+ return -2;
+ } else
+ mem32_base[i] = PATTERN0;
+ }
+
+ /* verify pattern 1 (0x00~0xff) */
+ pattern8 = PATTERN0;
+ for (i = 0; i < len; i++)
+ mem8_base[i] = pattern8++;
+ pattern8 = PATTERN0;
+ for (i = 0; i < len; i++) {
+ if (mem8_base[i] != pattern8++) {
+ return -3;
+ }
+ }
+
+ /* verify pattern 2 (0x00~0xff) */
+ pattern8 = PATTERN0;
+ for (i = j = 0; i < len; i += 2, j++) {
+ if (mem8_base[i] == pattern8)
+ mem16_base[j] = pattern8;
+ if (mem16_base[j] != pattern8) {
+ return -4;
+ }
+ pattern8 += 2;
+ }
+
+ /* verify pattern 3 (0x00~0xffff) */
+ pattern16 = PATTERN0;
+ for (i = 0; i < (len >> 1); i++)
+ mem16_base[i] = pattern16++;
+ pattern16 = PATTERN0;
+ for (i = 0; i < (len >> 1); i++) {
+ if (mem16_base[i] != pattern16++) {
+ return -5;
+ }
+ }
+
+ /* verify pattern 4 (0x00~0xffffffff) */
+ pattern32 = PATTERN0;
+ for (i = 0; i < (len >> 2); i++)
+ mem32_base[i] = pattern32++;
+ pattern32 = PATTERN0;
+ for (i = 0; i < (len >> 2); i++) {
+ if (mem32_base[i] != pattern32++) {
+ return -6;
+ }
+ }
+
+ /* pattern 5: filling memory range with 0x12345678 */
+ for (i = 0; i < size; i++)
+ mem32_base[i] = PATTERNE;
+
+ /* read check then fill memory with a5a5a5a5 pattern */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERNE) {
+ return -7;
+ } else {
+ mem32_base[i] = PATTERN2;
+ }
+ }
+
+ /* read check then fill memory with 00 byte pattern at offset 0h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN2) {
+ return -8;
+ } else {
+ mem8_base[i * 4] = PATTERN0;
+ }
+ }
+
+ /* read check then fill memory with 00 byte pattern at offset 2h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN3) {
+ return -9;
+ } else {
+ mem8_base[i * 4 + 2] = PATTERN0;
+ }
+ }
+
+ /* read check then fill memory with 00 byte pattern at offset 1h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN4) {
+ return -10;
+ } else {
+ mem8_base[i * 4 + 1] = PATTERN0;
+ }
+ }
+
+ /* read check then fill memory with 00 byte pattern at offset 3h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN5) {
+ return -11;
+ } else {
+ mem8_base[i * 4 + 3] = PATTERN0;
+ }
+ }
+
+ /* read check then fill memory with ffff word pattern at offset 1h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN0) {
+ return -12;
+ } else {
+ mem16_base[i * 2 + 1] = PATTERN7;
+ }
+ }
+
+ /* read check then fill memory with ffff word pattern at offset 0h */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERN6) {
+ return -13;
+ } else {
+ mem16_base[i * 2] = PATTERN7;
+ }
+ }
+
+ /* read check */
+ for (i = 0; i < size; i++) {
+ if (mem32_base[i] != PATTERNF) {
+ return -14;
+ }
+ }
+
+ /* stage 1 => write 0 */
+ for (i = 0; i < size; i++) {
+ mem_base[i] = PATTERN1;
+ }
+
+ /* stage 2 => read 0, write 0xf */
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+
+ if (value != PATTERN1) {
+ return -15;
+ }
+ mem_base[i] = PATTERN2;
+ }
+
+ /* stage 3 => read 0xf, write 0 */
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+ if (value != PATTERN2) {
+ return -16;
+ }
+ mem_base[i] = PATTERN1;
+ }
+
+ /* stage 4 => read 0, write 0xf */
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+ if (value != PATTERN1) {
+ return -17;
+ }
+ mem_base[i] = PATTERN2;
+ }
+
+ /* stage 5 => read 0xf, write 0 */
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+ if (value != PATTERN2) {
+ return -18;
+ }
+ mem_base[i] = PATTERN1;
+ }
+
+ /* stage 6 => read 0 */
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+ if (value != PATTERN1) {
+ return -19;
+ }
+ }
+
+ /* 1/2/4-byte combination test */
+ i = (unsigned int)(uintptr_t)mem_base;
+
+ while (i < (unsigned int)(uintptr_t)mem_base + (size << 2)) {
+ *((unsigned char *)(uintptr_t)i) = PATTERNB;
+ i += 1;
+ *((unsigned char *)(uintptr_t)i) = PATTERNA;
+ i += 1;
+ *((unsigned short *)(uintptr_t)i) = PATTERNC;
+ i += 2;
+ *((unsigned int *)(uintptr_t)i) = PATTERNE;
+ i += 4;
+ *((unsigned short *)(uintptr_t)i) = PATTERND;
+ i += 2;
+ *((unsigned char *)(uintptr_t)i) = PATTERN9;
+ i += 1;
+ *((unsigned char *)(uintptr_t)i) = PATTERN8;
+ i += 1;
+ *((unsigned int *)(uintptr_t)i) = PATTERNE;
+ i += 4;
+ *((unsigned char *)(uintptr_t)i) = PATTERNB;
+ i += 1;
+ *((unsigned char *)(uintptr_t)i) = PATTERNA;
+ i += 1;
+ *((unsigned short *)(uintptr_t)i) = PATTERNC;
+ i += 2;
+ *((unsigned int *)(uintptr_t)i) = PATTERNE;
+ i += 4;
+ *((unsigned short *)(uintptr_t)i) = PATTERND;
+ i += 2;
+ *((unsigned char *)(uintptr_t)i) = PATTERN9;
+ i += 1;
+ *((unsigned char *)(uintptr_t)i) = PATTERN8;
+ i += 1;
+ *((unsigned int *)(uintptr_t)i) = PATTERNE;
+ i += 4;
+ }
+
+ for (i = 0; i < size; i++) {
+ value = mem_base[i];
+ if (value != PATTERNE) {
+ return -20;
+ }
+ }
+
+ /* verify pattern 1 (0x00~0xff) */
+ pattern8 = PATTERN0;
+ mem8_base[0] = pattern8;
+ for (i = 0; i < size * 4; i++) {
+ unsigned char waddr8, raddr8;
+
+ waddr8 = i + 1;
+ raddr8 = i;
+ if (i < size * 4 - 1)
+ mem8_base[waddr8] = pattern8 + 1;
+ if (mem8_base[raddr8] != pattern8) {
+ return -21;
+ }
+ pattern8++;
+ }
+
+ /* verify pattern 2 (0x00~0xffff) */
+ pattern16 = PATTERN0;
+ mem16_base[0] = pattern16;
+ for (i = 0; i < size * 2; i++) {
+ if (i < size * 2 - 1)
+ mem16_base[i + 1] = pattern16 + 1;
+ if (mem16_base[i] != pattern16) {
+ return -22;
+ }
+ pattern16++;
+ }
+
+ /* verify pattern 3 (0x00~0xffffffff) */
+ pattern32 = PATTERN0;
+ mem32_base[0] = pattern32;
+ for (i = 0; i < size; i++) {
+ if (i < size - 1)
+ mem32_base[i + 1] = pattern32 + 1;
+ if (mem32_base[i] != pattern32) {
+ return -23;
+ }
+ pattern32++;
+ }
+
+ return 0;
+}
+
+void mt_mem_init(const struct mt8173_sdram_params *sdram_params)
+{
+ int i = 0;
+
+ /* init mempll */
+ mem_pll_init(sdram_params);
+
+ /* memory calibration */
+ mt_set_emi(sdram_params);
+
+ if (IS_ENABLED(CONFIG_MEMORY_TEST)) {
+ /* do memory test:
+ * set memory scan range 0x2000
+ * larger test length, longer system boot up time
+ */
+ i = complex_mem_test(DDR_BASE, 0x2000);
+
+ printk(BIOS_DEBUG, "[MEM] complex R/W mem test %s : %d\n",
+ (i == 0) ? "pass" : "fail", i);
+
+ ASSERT(i == 0);
+ }
+}
diff --git a/src/soc/mediatek/mt8173/pll.c b/src/soc/mediatek/mt8173/pll.c
index 3faf7859a7..d54538d91d 100644
--- a/src/soc/mediatek/mt8173/pll.c
+++ b/src/soc/mediatek/mt8173/pll.c
@@ -505,3 +505,29 @@ void mt_pll_set_aud_div(u32 rate)
7 << 28);
}
}
+
+void mt_mem_pll_config_pre(const struct mt8173_sdram_params *sdram_params)
+{
+ u32 mpll_sdm_pcw_20_0 = 0xF13B1;
+
+ /* disable MPLL for adjusting memory clk frequency */
+ clrbits_le32(&mt8173_apmixed->mpll_con0, BIT(0));
+ /* MPLL configuration: mode selection */
+ setbits_le32(&mt8173_apmixed->mpll_con0, BIT(16));
+ clrbits_le32(&mt8173_apmixed->mpll_con0, 0x7 << 4);
+ clrbits_le32(&mt8173_apmixed->pll_test_con0, 1 << 31);
+ /* set RG_MPLL_SDM_PCW for feedback divide ratio */
+ clrsetbits_le32(&mt8173_apmixed->mpll_con1, 0x1fffff, mpll_sdm_pcw_20_0);
+}
+
+void mt_mem_pll_config_post(void)
+{
+ /* power up sequence starts: enable MPLL */
+ setbits_le32(&mt8173_apmixed->mpll_con0, BIT(0));
+}
+
+void mt_mem_pll_mux(void)
+{
+ /* CLK_CFG_0 */
+ mux_set_sel(&muxes[TOP_MEM_SEL], 1); /* 1: dmpll_ck */
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 01:41:43 +0000