// SPDX-License-Identifier: GPL-2.0 /* * MediaTek DDR3 driver for MT7629 SoC * * Copyright (C) 2018 MediaTek Inc. * Author: Wu Zou * Ryder Lee */ #include #include #include #include #include #include #include #include /* 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, CFG_SYS_SDRAM_BASE); if (readl(CFG_SYS_SDRAM_BASE) != WALKING_PATTERN) return -EINVAL; for (step = 0; step < 5; step++) { writel(~WALKING_PATTERN, CFG_SYS_SDRAM_BASE + (WALKING_STEP << step)); start = readl(CFG_SYS_SDRAM_BASE); test = readl(CFG_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 = CFG_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 = sizeof(struct mtk_ddr3_priv), };