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u-boot/drivers/ram/mediatek/ddr3-mt7629.c
Ryder Lee 60f633efd5 ram: MediaTek: add DDR3 driver for MT7629 SoC 
This patch adds a DDR3 driver for MT7629 SoC.

Signed-off-by: Wu Zou <wu.zou@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-11-28 23:04:53 -05:00

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// SPDX-License-Identifier: GPL-2.0
/*
* MediaTek DDR3 driver for MT7629 SoC
*
* Copyright (C) 2018 MediaTek Inc.
* Author: Wu Zou <wu.zou@mediatek.com>
* Ryder Lee <ryder.lee@mediatek.com>
*/
#include <clk.h>
#include <common.h>
#include <dm.h>
#include <ram.h>
#include <asm/io.h>
/* EMI */
#define EMI_CONA 0x000
#define EMI_CONF 0x028
#define EMI_CONM 0x060
/* DDR PHY */
#define DDRPHY_PLL1 0x0000
#define DDRPHY_PLL2 0x0004
#define DDRPHY_PLL3 0x0008
#define DDRPHY_PLL4 0x000c
#define DDRPHY_PLL5 0x0010
#define DDRPHY_PLL7 0x0018
#define DDRPHY_B0_DLL_ARPI0 0x0080
#define DDRPHY_B0_DLL_ARPI1 0x0084
#define DDRPHY_B0_DLL_ARPI2 0x0088
#define DDRPHY_B0_DLL_ARPI3 0x008c
#define DDRPHY_B0_DLL_ARPI4 0x0090
#define DDRPHY_B0_DLL_ARPI5 0x0094
#define DDRPHY_B0_DQ2 0x00a0
#define DDRPHY_B0_DQ3 0x00a4
#define DDRPHY_B0_DQ4 0x00a8
#define DDRPHY_B0_DQ5 0x00ac
#define DDRPHY_B0_DQ6 0x00b0
#define DDRPHY_B0_DQ7 0x00b4
#define DDRPHY_B0_DQ8 0x00b8
#define DDRPHY_B1_DLL_ARPI0 0x0100
#define DDRPHY_B1_DLL_ARPI1 0x0104
#define DDRPHY_B1_DLL_ARPI2 0x0108
#define DDRPHY_B1_DLL_ARPI3 0x010c
#define DDRPHY_B1_DLL_ARPI4 0x0110
#define DDRPHY_B1_DLL_ARPI5 0x0114
#define DDRPHY_B1_DQ2 0x0120
#define DDRPHY_B1_DQ3 0x0124
#define DDRPHY_B1_DQ4 0x0128
#define DDRPHY_B1_DQ5 0x012c
#define DDRPHY_B1_DQ6 0x0130
#define DDRPHY_B1_DQ7 0x0134
#define DDRPHY_B1_DQ8 0x0138
#define DDRPHY_CA_DLL_ARPI0 0x0180
#define DDRPHY_CA_DLL_ARPI1 0x0184
#define DDRPHY_CA_DLL_ARPI2 0x0188
#define DDRPHY_CA_DLL_ARPI3 0x018c
#define DDRPHY_CA_DLL_ARPI4 0x0190
#define DDRPHY_CA_DLL_ARPI5 0x0194
#define DDRPHY_CA_CMD2 0x01a0
#define DDRPHY_CA_CMD3 0x01a4
#define DDRPHY_CA_CMD5 0x01ac
#define DDRPHY_CA_CMD6 0x01b0
#define DDRPHY_CA_CMD7 0x01b4
#define DDRPHY_CA_CMD8 0x01b8
#define DDRPHY_MISC_VREF_CTRL 0x0264
#define DDRPHY_MISC_IMP_CTRL0 0x0268
#define DDRPHY_MISC_IMP_CTRL1 0x026c
#define DDRPHY_MISC_SHU_OPT 0x0270
#define DDRPHY_MISC_SPM_CTRL0 0x0274
#define DDRPHY_MISC_SPM_CTRL1 0x0278
#define DDRPHY_MISC_SPM_CTRL2 0x027c
#define DDRPHY_MISC_CG_CTRL0 0x0284
#define DDRPHY_MISC_CG_CTRL1 0x0288
#define DDRPHY_MISC_CG_CTRL2 0x028c
#define DDRPHY_MISC_CG_CTRL4 0x0294
#define DDRPHY_MISC_CTRL0 0x029c
#define DDRPHY_MISC_CTRL1 0x02a0
#define DDRPHY_MISC_CTRL3 0x02a8
#define DDRPHY_MISC_RXDVS1 0x05e4
#define DDRPHY_SHU1_B0_DQ4 0x0c10
#define DDRPHY_SHU1_B0_DQ5 0x0c14
#define DDRPHY_SHU1_B0_DQ6 0x0c18
#define DDRPHY_SHU1_B0_DQ7 0x0c1c
#define DDRPHY_SHU1_B1_DQ4 0x0c90
#define DDRPHY_SHU1_B1_DQ5 0x0c94
#define DDRPHY_SHU1_B1_DQ6 0x0c98
#define DDRPHY_SHU1_B1_DQ7 0x0c9c
#define DDRPHY_SHU1_CA_CMD2 0x0d08
#define DDRPHY_SHU1_CA_CMD4 0x0d10
#define DDRPHY_SHU1_CA_CMD5 0x0d14
#define DDRPHY_SHU1_CA_CMD6 0x0d18
#define DDRPHY_SHU1_CA_CMD7 0x0d1c
#define DDRPHY_SHU1_PLL0 0x0d80
#define DDRPHY_SHU1_PLL1 0x0d84
#define DDRPHY_SHU1_PLL4 0x0d90
#define DDRPHY_SHU1_PLL5 0x0d94
#define DDRPHY_SHU1_PLL6 0x0d98
#define DDRPHY_SHU1_PLL7 0x0d9C
#define DDRPHY_SHU1_PLL8 0x0da0
#define DDRPHY_SHU1_PLL9 0x0da4
#define DDRPHY_SHU1_PLL10 0x0da8
#define DDRPHY_SHU1_PLL11 0x0dac
#define DDRPHY_SHU1_R0_B0_DQ2 0x0e08
#define DDRPHY_SHU1_R0_B0_DQ3 0x0e0c
#define DDRPHY_SHU1_R0_B0_DQ4 0x0e10
#define DDRPHY_SHU1_R0_B0_DQ5 0x0e14
#define DDRPHY_SHU1_R0_B0_DQ6 0x0e18
#define DDRPHY_SHU1_R0_B0_DQ7 0x0e1c
#define DDRPHY_SHU1_R0_B1_DQ2 0x0e58
#define DDRPHY_SHU1_R0_B1_DQ3 0x0e5c
#define DDRPHY_SHU1_R0_B1_DQ4 0x0e60
#define DDRPHY_SHU1_R0_B1_DQ5 0x0e64
#define DDRPHY_SHU1_R0_B1_DQ6 0x0e68
#define DDRPHY_SHU1_R0_B1_DQ7 0x0e6c
#define DDRPHY_SHU1_R0_CA_CMD9 0x0ec4
#define DDRPHY_SHU1_R1_B0_DQ2 0x0f08
#define DDRPHY_SHU1_R1_B0_DQ3 0x0f0c
#define DDRPHY_SHU1_R1_B0_DQ4 0x0f10
#define DDRPHY_SHU1_R1_B0_DQ5 0x0f14
#define DDRPHY_SHU1_R1_B0_DQ6 0x0f18
#define DDRPHY_SHU1_R1_B0_DQ7 0x0f1c
#define DDRPHY_SHU1_R1_B1_DQ2 0x0f58
#define DDRPHY_SHU1_R1_B1_DQ3 0x0f5c
#define DDRPHY_SHU1_R1_B1_DQ4 0x0f60
#define DDRPHY_SHU1_R1_B1_DQ5 0x0f64
#define DDRPHY_SHU1_R1_B1_DQ6 0x0f68
#define DDRPHY_SHU1_R1_B1_DQ7 0x0f6c
#define DDRPHY_SHU1_R1_CA_CMD9 0x0fc4
/* DRAMC */
#define DRAMC_DDRCONF0 0x0000
#define DRAMC_DRAMCTRL 0x0004
#define DRAMC_MISCTL0 0x0008
#define DRAMC_PERFCTL0 0x000c
#define DRAMC_ARBCTL 0x0010
#define DRAMC_RSTMASK 0x001c
#define DRAMC_PADCTRL 0x0020
#define DRAMC_CKECTRL 0x0024
#define DRAMC_RKCFG 0x0034
#define DRAMC_DRAMC_PD_CTRL 0x0038
#define DRAMC_CLKAR 0x003c
#define DRAMC_CLKCTRL 0x0040
#define DRAMC_SREFCTRL 0x0048
#define DRAMC_REFCTRL0 0x004c
#define DRAMC_REFCTRL1 0x0050
#define DRAMC_REFRATRE_FILTER 0x0054
#define DRAMC_ZQCS 0x0058
#define DRAMC_MRS 0x005c
#define DRAMC_SPCMD 0x0060
#define DRAMC_SPCMDCTRL 0x0064
#define DRAMC_HW_MRR_FUN 0x0074
#define DRAMC_TEST2_1 0x0094
#define DRAMC_TEST2_2 0x0098
#define DRAMC_TEST2_3 0x009c
#define DRAMC_TEST2_4 0x00a0
#define DRAMC_CATRAINING1 0x00b0
#define DRAMC_DUMMY_RD 0x00d0
#define DRAMC_SHUCTRL 0x00d4
#define DRAMC_SHUCTRL2 0x00dc
#define DRAMC_STBCAL 0x0200
#define DRAMC_STBCAL1 0x0204
#define DRAMC_EYESCAN 0x020c
#define DRAMC_DVFSDLL 0x0210
#define DRAMC_SHU_ACTIM0 0x0800
#define DRAMC_SHU_ACTIM1 0x0804
#define DRAMC_SHU_ACTIM2 0x0808
#define DRAMC_SHU_ACTIM3 0x080c
#define DRAMC_SHU_ACTIM4 0x0810
#define DRAMC_SHU_ACTIM5 0x0814
#define DRAMC_SHU_ACTIM_XRT 0x081c
#define DRAMC_SHU_AC_TIME_05T 0x0820
#define DRAMC_SHU_CONF0 0x0840
#define DRAMC_SHU_CONF1 0x0844
#define DRAMC_SHU_CONF2 0x0848
#define DRAMC_SHU_CONF3 0x084c
#define DRAMC_SHU_RANKCTL 0x0858
#define DRAMC_SHU_CKECTRL 0x085c
#define DRAMC_SHU_ODTCTRL 0x0860
#define DRAMC_SHU_PIPE 0x0878
#define DRAMC_SHU_SELPH_CA1 0x0880
#define DRAMC_SHU_SELPH_CA2 0x0884
#define DRAMC_SHU_SELPH_CA3 0x0888
#define DRAMC_SHU_SELPH_CA4 0x088c
#define DRAMC_SHU_SELPH_CA5 0x0890
#define DRAMC_SHU_SELPH_CA6 0x0894
#define DRAMC_SHU_SELPH_CA7 0x0898
#define DRAMC_SHU_SELPH_CA8 0x089c
#define DRAMC_SHU_SELPH_DQS0 0x08a0
#define DRAMC_SHU_SELPH_DQS1 0x08a4
#define DRAMC_SHU1_DRVING1 0x08a8
#define DRAMC_SHU1_DRVING2 0x08ac
#define DRAMC_SHU1_WODT 0x08c0
#define DRAMC_SHU_SCINTV 0x08c8
#define DRAMC_SHURK0_DQSCTL 0x0a00
#define DRAMC_SHURK0_DQSIEN 0x0a04
#define DRAMC_SHURK0_SELPH_ODTEN0 0x0a1c
#define DRAMC_SHURK0_SELPH_ODTEN1 0x0a20
#define DRAMC_SHURK0_SELPH_DQSG0 0x0a24
#define DRAMC_SHURK0_SELPH_DQSG1 0x0a28
#define DRAMC_SHURK0_SELPH_DQ0 0x0a2c
#define DRAMC_SHURK0_SELPH_DQ1 0x0a30
#define DRAMC_SHURK0_SELPH_DQ2 0x0a34
#define DRAMC_SHURK0_SELPH_DQ3 0x0a38
#define DRAMC_SHURK1_DQSCTL 0x0b00
#define DRAMC_SHURK1_SELPH_ODTEN0 0x0b1c
#define DRAMC_SHURK1_SELPH_ODTEN1 0x0b20
#define DRAMC_SHURK1_SELPH_DQSG0 0x0b24
#define DRAMC_SHURK1_SELPH_DQSG1 0x0b28
#define DRAMC_SHURK1_SELPH_DQ0 0x0b2c
#define DRAMC_SHURK1_SELPH_DQ1 0x0b30
#define DRAMC_SHURK1_SELPH_DQ2 0x0b34
#define DRAMC_SHURK1_SELPH_DQ3 0x0b38
#define DRAMC_SHURK2_SELPH_ODTEN0 0x0c1c
#define DRAMC_SHURK2_SELPH_ODTEN1 0x0c20
#define DRAMC_SHU_DQSG_RETRY 0x0c54
#define EMI_COL_ADDR_MASK GENMASK(13, 12)
#define EMI_COL_ADDR_SHIFT 12
#define WALKING_PATTERN 0x12345678
#define WALKING_STEP 0x4000000
struct mtk_ddr3_priv {
fdt_addr_t emi;
fdt_addr_t ddrphy;
fdt_addr_t dramc_ao;
struct clk phy;
struct clk phy_mux;
struct clk mem;
struct clk mem_mux;
};
#ifdef CONFIG_SPL_BUILD
static int mtk_ddr3_rank_size_detect(struct udevice *dev)
{
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
int step;
u32 start, test;
/* To detect size, we have to make sure it's single rank
* and it has maximum addressing region
*/
writel(WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE);
if (readl(CONFIG_SYS_SDRAM_BASE) != WALKING_PATTERN)
return -EINVAL;
for (step = 0; step < 5; step++) {
writel(~WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE +
(WALKING_STEP << step));
start = readl(CONFIG_SYS_SDRAM_BASE);
test = readl(CONFIG_SYS_SDRAM_BASE + (WALKING_STEP << step));
if ((test != ~WALKING_PATTERN) || test == start)
break;
}
step = step ? step - 1 : 3;
clrsetbits_le32(priv->emi + EMI_CONA, EMI_COL_ADDR_MASK,
step << EMI_COL_ADDR_SHIFT);
return 0;
}
static int mtk_ddr3_init(struct udevice *dev)
{
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
int ret;
ret = clk_set_parent(&priv->phy, &priv->phy_mux);
if (ret)
return ret;
/* EMI Setting */
writel(0x00003010, priv->emi + EMI_CONA);
writel(0x00000000, priv->emi + EMI_CONF);
writel(0x000006b8, priv->emi + EMI_CONM);
/* DQS */
writel(0x20c00, priv->dramc_ao + DRAMC_SHU1_DRVING1);
/* Clock */
writel(0x8320c83, priv->dramc_ao + DRAMC_SHU1_DRVING2);
/* DDRPHY setting */
writel(0x2201, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
writel(0xe08, priv->ddrphy + DDRPHY_CA_CMD5);
writel(0x60e, priv->ddrphy + DDRPHY_SHU1_CA_CMD5);
writel(0x0, priv->ddrphy + DDRPHY_MISC_SPM_CTRL1);
writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL0);
writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL2);
writel(0x6003bf, priv->ddrphy + DDRPHY_MISC_CG_CTRL2);
writel(0x13300000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
writel(0x1, priv->ddrphy + DDRPHY_SHU1_CA_CMD7);
writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
writel(0xfff0, priv->ddrphy + DDRPHY_CA_CMD2);
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
writel(0x0, priv->ddrphy + DDRPHY_B1_DQ2);
writel(0x7, priv->ddrphy + DDRPHY_MISC_RXDVS1);
writel(0x10, priv->ddrphy + DDRPHY_PLL3);
writel(0x8e8e0000, priv->ddrphy + DDRPHY_MISC_VREF_CTRL);
writel(0x2e0040, priv->ddrphy + DDRPHY_MISC_IMP_CTRL0);
writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
udelay(1);
writel(0x10, priv->ddrphy + DDRPHY_B0_DQ3);
writel(0x10, priv->ddrphy + DDRPHY_B1_DQ3);
writel(0x3f600, priv->ddrphy + DDRPHY_MISC_CG_CTRL1);
writel(0x1010, priv->ddrphy + DDRPHY_B0_DQ4);
writel(0x1110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
writel(0x10c10d0, priv->ddrphy + DDRPHY_B0_DQ6);
writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
writel(0x1010, priv->ddrphy + DDRPHY_B1_DQ4);
writel(0x1110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
writel(0x10c10d0, priv->ddrphy + DDRPHY_B1_DQ6);
writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
writel(0x7fffffc, priv->ddrphy + DDRPHY_CA_CMD3);
writel(0xc0010, priv->ddrphy + DDRPHY_CA_CMD6);
writel(0x101, priv->ddrphy + DDRPHY_SHU1_CA_CMD2);
writel(0x41e, priv->ddrphy + DDRPHY_B0_DQ3);
writel(0x41e, priv->ddrphy + DDRPHY_B1_DQ3);
writel(0x180101, priv->ddrphy + DDRPHY_CA_CMD8);
writel(0x0, priv->ddrphy + DDRPHY_MISC_IMP_CTRL1);
writel(0x11400000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
writel(0xfff0f0f0, priv->ddrphy + DDRPHY_MISC_SHU_OPT);
writel(0x1f, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
writel(0x40000, priv->ddrphy + DDRPHY_PLL4);
writel(0x0, priv->ddrphy + DDRPHY_PLL1);
writel(0x0, priv->ddrphy + DDRPHY_PLL2);
writel(0x666008, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
writel(0x80666008, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
writel(0x80666008, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
writel(0x400, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
writel(0x20400, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
writel(0x20400, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL9);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL11);
writel(0xf7f, priv->ddrphy + DDRPHY_SHU1_PLL0);
writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL8);
writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL10);
writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL4);
writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL6);
writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL5);
writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL7);
writel(0x14d0002, priv->ddrphy + DDRPHY_PLL5);
writel(0x14d0002, priv->ddrphy + DDRPHY_PLL7);
writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL8);
writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL10);
writel(0xf, priv->ddrphy + DDRPHY_SHU1_PLL1);
writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
writel(0x698600, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
writel(0xc0778600, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
writel(0xc0778600, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI4);
writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI4);
writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI4);
writel(0x2ba800, priv->ddrphy + DDRPHY_CA_DLL_ARPI1);
writel(0x2ae806, priv->ddrphy + DDRPHY_B0_DLL_ARPI1);
writel(0xae806, priv->ddrphy + DDRPHY_B1_DLL_ARPI1);
writel(0xba000, priv->ddrphy + DDRPHY_CA_DLL_ARPI3);
writel(0x2e800, priv->ddrphy + DDRPHY_B0_DLL_ARPI3);
writel(0x2e800, priv->ddrphy + DDRPHY_B1_DLL_ARPI3);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD4);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ4);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ4);
writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
writel(0x32cf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
writel(0x80010000, priv->ddrphy + DDRPHY_PLL1);
writel(0x80000000, priv->ddrphy + DDRPHY_PLL2);
udelay(100);
writel(0xc, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
writel(0x9, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
writel(0x9, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
writel(0xd0000, priv->ddrphy + DDRPHY_PLL4);
udelay(1);
writel(0x82, priv->ddrphy + DDRPHY_MISC_CTRL1);
writel(0x2, priv->dramc_ao + DRAMC_DDRCONF0);
writel(0x3acf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
udelay(1);
writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
writel(0x80, priv->ddrphy + DDRPHY_MISC_CTRL1);
writel(0x0, priv->dramc_ao + DRAMC_DDRCONF0);
writel(0x80000000, priv->ddrphy + DDRPHY_PLL1);
udelay(1);
writel(0x698e00, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
udelay(1);
writel(0xc0778e00, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
udelay(1);
writel(0xc0778e00, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
udelay(1);
ret = clk_set_parent(&priv->mem, &priv->mem_mux);
if (ret)
return ret;
/* DDR PHY PLL setting */
writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
writel(0x51e, priv->ddrphy + DDRPHY_B1_DQ3);
writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
writel(0x80101, priv->ddrphy + DDRPHY_CA_CMD8);
writel(0x100, priv->ddrphy + DDRPHY_CA_CMD7);
writel(0x0, priv->ddrphy + DDRPHY_CA_CMD7);
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ7);
writel(0x0, priv->ddrphy + DDRPHY_B1_DQ7);
writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
writel(0xff051e, priv->ddrphy + DDRPHY_B1_DQ3);
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
writel(0x1ff, priv->ddrphy + DDRPHY_B1_DQ2);
/* Update initial setting */
writel(0x5fc, priv->ddrphy + DDRPHY_B0_DQ3);
writel(0xff05fc, priv->ddrphy + DDRPHY_B1_DQ3);
writel(0x10c12d9, priv->ddrphy + DDRPHY_B0_DQ6);
writel(0x10c12d9, priv->ddrphy + DDRPHY_B1_DQ6);
writel(0xc0259, priv->ddrphy + DDRPHY_CA_CMD6);
writel(0x4000, priv->ddrphy + DDRPHY_B0_DQ2);
writel(0x41ff, priv->ddrphy + DDRPHY_B1_DQ2);
writel(0x0, priv->ddrphy + DDRPHY_B0_DQ8);
writel(0x100, priv->ddrphy + DDRPHY_B1_DQ8);
writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
writel(0x39eff6, priv->dramc_ao + DRAMC_SHU_SCINTV);
writel(0x204ffff, priv->dramc_ao + DRAMC_CLKAR);
writel(0x31b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0x0, priv->dramc_ao + DRAMC_PERFCTL0);
writel(0x80000, priv->dramc_ao + DRAMC_PERFCTL0);
/* Dramc setting PC3 */
writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
writel(0x200600, priv->dramc_ao + DRAMC_SHU_DQSG_RETRY);
writel(0x101d007, priv->dramc_ao + DRAMC_SHUCTRL2);
writel(0xe090601, priv->dramc_ao + DRAMC_DVFSDLL);
writel(0x20003000, priv->dramc_ao + DRAMC_DDRCONF0);
writel(0x3900020f, priv->ddrphy + DDRPHY_MISC_CTRL0);
writel(0xa20810bf, priv->dramc_ao + DRAMC_SHU_CONF0);
writel(0x30050, priv->dramc_ao + DRAMC_SHU_ODTCTRL);
writel(0x25712000, priv->dramc_ao + DRAMC_REFCTRL0);
writel(0xb0100000, priv->dramc_ao + DRAMC_STBCAL);
writel(0x8000000, priv->dramc_ao + DRAMC_SREFCTRL);
writel(0xc0000000, priv->dramc_ao + DRAMC_SHU_PIPE);
writel(0x731004, priv->dramc_ao + DRAMC_RKCFG);
writel(0x8007320f, priv->dramc_ao + DRAMC_SHU_CONF2);
writel(0x2a7c0, priv->dramc_ao + DRAMC_SHU_SCINTV);
writel(0xc110, priv->dramc_ao + DRAMC_SHUCTRL);
writel(0x30000700, priv->dramc_ao + DRAMC_REFCTRL1);
writel(0x6543b321, priv->dramc_ao + DRAMC_REFRATRE_FILTER);
/* Update PCDDR3 default setting */
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA1);
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA2);
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA3);
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA4);
writel(0x10000111, priv->dramc_ao + DRAMC_SHU_SELPH_CA5);
writel(0x1000000, priv->dramc_ao + DRAMC_SHU_SELPH_CA6);
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA7);
writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA8);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_CA_CMD9);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_CA_CMD9);
writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
writel(0x33331111, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ0);
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ1);
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ2);
writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ3);
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ7);
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ7);
writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN0);
writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN1);
writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN0);
writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN1);
writel(0x0, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN0);
writel(0x66666666, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN1);
writel(0x2c000b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
writel(0x11111111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
writel(0x64646464, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
writel(0x11111111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG0);
writel(0x64646464, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG1);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ6);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ2);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ3);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ4);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ5);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ6);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ6);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ2);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ3);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ4);
writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ5);
writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ6);
writel(0x20000001, priv->dramc_ao + DRAMC_SHU_RANKCTL);
writel(0x2, priv->dramc_ao + DRAMC_SHURK0_DQSCTL);
writel(0x2, priv->dramc_ao + DRAMC_SHURK1_DQSCTL);
writel(0x4020b07, priv->dramc_ao + DRAMC_SHU_ACTIM0);
writel(0xb060400, priv->dramc_ao + DRAMC_SHU_ACTIM1);
writel(0x8090200, priv->dramc_ao + DRAMC_SHU_ACTIM2);
writel(0x810018, priv->dramc_ao + DRAMC_SHU_ACTIM3);
writel(0x1e9700ff, priv->dramc_ao + DRAMC_SHU_ACTIM4);
writel(0x1000908, priv->dramc_ao + DRAMC_SHU_ACTIM5);
writel(0x801040b, priv->dramc_ao + DRAMC_SHU_ACTIM_XRT);
writel(0x20000D1, priv->dramc_ao + DRAMC_SHU_AC_TIME_05T);
writel(0x80010000, priv->ddrphy + DDRPHY_PLL2);
udelay(500);
writel(0x81080000, priv->dramc_ao + DRAMC_MISCTL0);
writel(0xacf13, priv->dramc_ao + DRAMC_PERFCTL0);
writel(0xacf12, priv->dramc_ao + DRAMC_PERFCTL0);
writel(0x80, priv->dramc_ao + DRAMC_ARBCTL);
writel(0x9, priv->dramc_ao + DRAMC_PADCTRL);
writel(0x80000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
writel(0x25714001, priv->dramc_ao + DRAMC_REFCTRL0);
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0x4300000, priv->dramc_ao + DRAMC_CATRAINING1);
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
writel(0x731414, priv->dramc_ao + DRAMC_RKCFG);
writel(0x733414, priv->dramc_ao + DRAMC_RKCFG);
udelay(20);
writel(0x80002050, priv->dramc_ao + DRAMC_CKECTRL);
udelay(100);
writel(0x400000, priv->dramc_ao + DRAMC_MRS);
writel(0x401800, priv->dramc_ao + DRAMC_MRS);
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
udelay(100);
writel(0x601800, priv->dramc_ao + DRAMC_MRS);
writel(0x600000, priv->dramc_ao + DRAMC_MRS);
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
udelay(100);
writel(0x200000, priv->dramc_ao + DRAMC_MRS);
writel(0x200400, priv->dramc_ao + DRAMC_MRS);
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
udelay(100);
writel(0x400, priv->dramc_ao + DRAMC_MRS);
writel(0x1d7000, priv->dramc_ao + DRAMC_MRS);
writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
udelay(100);
writel(0x702201, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0x10, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
writel(0x20, priv->dramc_ao + DRAMC_SPCMD);
writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
writel(0x1, priv->dramc_ao + DRAMC_HW_MRR_FUN);
writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
writel(0xff0000, priv->dramc_ao + DRAMC_SHU_CONF3);
writel(0x15b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0x2cb00b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
writel(0x48000000, priv->dramc_ao + DRAMC_SREFCTRL);
writel(0xc0000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
writel(0x15e00, priv->dramc_ao + DRAMC_STBCAL1);
writel(0x100000, priv->dramc_ao + DRAMC_TEST2_1);
writel(0x4000, priv->dramc_ao + DRAMC_TEST2_2);
writel(0x12000480, priv->dramc_ao + DRAMC_TEST2_3);
writel(0x301d007, priv->dramc_ao + DRAMC_SHUCTRL2);
writel(0x4782321, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0x30210000, priv->dramc_ao + DRAMC_SHU_CKECTRL);
writel(0x20000, priv->dramc_ao + DRAMC_DUMMY_RD);
writel(0x4080110d, priv->dramc_ao + DRAMC_TEST2_4);
writel(0x30000721, priv->dramc_ao + DRAMC_REFCTRL1);
writel(0x0, priv->dramc_ao + DRAMC_RSTMASK);
writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0x80002000, priv->dramc_ao + DRAMC_CKECTRL);
writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
/* Apply config before calibration */
writel(0x120, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
writel(0x2a7fe, priv->dramc_ao + DRAMC_SHU_SCINTV);
writel(0xff01ff, priv->dramc_ao + DRAMC_SHU_CONF3);
writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
writel(0x80000000, priv->dramc_ao + DRAMC_SHU1_WODT);
writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
/* Write leveling */
writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
writel(0x33221100, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
/* RX dqs gating cal */
writel(0x11111010, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
writel(0x20201717, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
writel(0x1d1f, priv->dramc_ao + DRAMC_SHURK0_DQSIEN);
/* RX window per-bit cal */
writel(0x03030404, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
writel(0x01010000, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
writel(0x03030606, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
writel(0x02020202, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
writel(0x04040303, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
writel(0x06060101, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
/* RX datlat cal */
writel(0x28b00a0e, priv->dramc_ao + DRAMC_SHU_CONF1);
/* TX window per-byte with 2UI cal */
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
return mtk_ddr3_rank_size_detect(dev);
}
#endif
static int mtk_ddr3_probe(struct udevice *dev)
{
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
priv->emi = dev_read_addr_index(dev, 0);
if (priv->emi == FDT_ADDR_T_NONE)
return -EINVAL;
priv->ddrphy = dev_read_addr_index(dev, 1);
if (priv->ddrphy == FDT_ADDR_T_NONE)
return -EINVAL;
priv->dramc_ao = dev_read_addr_index(dev, 2);
if (priv->dramc_ao == FDT_ADDR_T_NONE)
return -EINVAL;
#ifdef CONFIG_SPL_BUILD
int ret;
ret = clk_get_by_index(dev, 0, &priv->phy);
if (ret)
return ret;
ret = clk_get_by_index(dev, 1, &priv->phy_mux);
if (ret)
return ret;
ret = clk_get_by_index(dev, 2, &priv->mem);
if (ret)
return ret;
ret = clk_get_by_index(dev, 3, &priv->mem_mux);
if (ret)
return ret;
ret = mtk_ddr3_init(dev);
if (ret)
return ret;
#endif
return 0;
}
static int mtk_ddr3_get_info(struct udevice *dev, struct ram_info *info)
{
struct mtk_ddr3_priv *priv = dev_get_priv(dev);
u32 val = readl(priv->emi + EMI_CONA);
info->base = CONFIG_SYS_SDRAM_BASE;
switch ((val & EMI_COL_ADDR_MASK) >> EMI_COL_ADDR_SHIFT) {
case 0:
info->size = SZ_128M;
break;
case 1:
info->size = SZ_256M;
break;
case 2:
info->size = SZ_512M;
break;
case 3:
info->size = SZ_1G;
break;
default:
return -EINVAL;
}
return 0;
}
static struct ram_ops mtk_ddr3_ops = {
.get_info = mtk_ddr3_get_info,
};
static const struct udevice_id mtk_ddr3_ids[] = {
{ .compatible = "mediatek,mt7629-dramc" },
{ }
};
U_BOOT_DRIVER(mediatek_ddr3) = {
.name = "mediatek_ddr3",
.id = UCLASS_RAM,
.of_match = mtk_ddr3_ids,
.ops = &mtk_ddr3_ops,
.probe = mtk_ddr3_probe,
.priv_auto_alloc_size = sizeof(struct mtk_ddr3_priv),
};
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