1 /* 2 * 3 * Copyright (C) 2015 Phil Sutter <phil@nwl.cc> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <miiphy.h> 10 #include <asm/io.h> 11 #include <asm/arch/cpu.h> 12 #include <asm/arch/soc.h> 13 #include <linux/mbus.h> 14 15 #include "../drivers/ddr/marvell/axp/ddr3_hw_training.h" 16 #include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h" 17 #include "../arch/arm/mach-mvebu/serdes/axp/board_env_spec.h" 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 /* GPP and MPP settings as found in mvBoardEnvSpec.c of Synology's U-Boot */ 22 23 #define DS414_GPP_OUT_VAL_LOW (BIT(25) | BIT(30)) 24 #define DS414_GPP_OUT_VAL_MID (BIT(10) | BIT(15)) 25 #define DS414_GPP_OUT_VAL_HIGH (0) 26 27 #define DS414_GPP_OUT_POL_LOW (0) 28 #define DS414_GPP_OUT_POL_MID (0) 29 #define DS414_GPP_OUT_POL_HIGH (0) 30 31 #define DS414_GPP_OUT_ENA_LOW (~(BIT(25) | BIT(30))) 32 #define DS414_GPP_OUT_ENA_MID (~(BIT(10) | BIT(12) | \ 33 BIT(13) | BIT(14) | BIT(15))) 34 #define DS414_GPP_OUT_ENA_HIGH (~0) 35 36 static const u32 ds414_mpp_control[] = { 37 0x11111111, 38 0x22221111, 39 0x22222222, 40 0x00000000, 41 0x11110000, 42 0x00004000, 43 0x00000000, 44 0x00000000, 45 0x00000000 46 }; 47 48 /* DDR3 static MC configuration */ 49 50 /* 1G_v1 (4x2Gbits) adapted by DS414 */ 51 MV_DRAM_MC_INIT syno_ddr3_b0_667_1g_v1[MV_MAX_DDR3_STATIC_SIZE] = { 52 {0x00001400, 0x73014A28}, /*DDR SDRAM Configuration Register */ 53 {0x00001404, 0x30000800}, /*Dunit Control Low Register */ 54 {0x00001408, 0x44148887}, /*DDR SDRAM Timing (Low) Register */ 55 {0x0000140C, 0x3AD83FEA}, /*DDR SDRAM Timing (High) Register */ 56 57 {0x00001410, 0x14000000}, /*DDR SDRAM Address Control Register */ 58 59 {0x00001414, 0x00000000}, /*DDR SDRAM Open Pages Control Register */ 60 {0x00001418, 0x00000e00}, /*DDR SDRAM Operation Register */ 61 {0x00001420, 0x00000004}, /*DDR SDRAM Extended Mode Register */ 62 {0x00001424, 0x0000F3FF}, /*Dunit Control High Register */ 63 {0x00001428, 0x000F8830}, /*Dunit Control High Register */ 64 {0x0000142C, 0x054C36F4}, /*Dunit Control High Register */ 65 {0x0000147C, 0x0000C671}, 66 67 {0x000014a0, 0x00000001}, 68 {0x000014a8, 0x00000100}, /*2:1 */ 69 {0x00020220, 0x00000006}, 70 71 {0x00001494, 0x00010000}, /*DDR SDRAM ODT Control (Low) Register */ 72 {0x00001498, 0x00000000}, /*DDR SDRAM ODT Control (High) Register */ 73 {0x0000149C, 0x00000001}, /*DDR Dunit ODT Control Register */ 74 75 {0x000014C0, 0x192424C9}, /* DRAM address and Control Driving Strenght */ 76 {0x000014C4, 0x0AAA24C9}, /* DRAM Data and DQS Driving Strenght */ 77 78 {0x000200e8, 0x3FFF0E01}, /* DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the training sequence*/ 79 {0x00020184, 0x3FFFFFE0}, /* DO NOT Modify - Close fast path Window to - 2G */ 80 81 {0x0001504, 0x3FFFFFE1}, /* CS0 Size */ 82 {0x000150C, 0x00000000}, /* CS1 Size */ 83 {0x0001514, 0x00000000}, /* CS2 Size */ 84 {0x000151C, 0x00000000}, /* CS3 Size */ 85 86 {0x00001538, 0x00000009}, /*Read Data Sample Delays Register */ 87 {0x0000153C, 0x00000009}, /*Read Data Ready Delay Register */ 88 89 {0x000015D0, 0x00000650}, /*MR0 */ 90 {0x000015D4, 0x00000044}, /*MR1 */ 91 {0x000015D8, 0x00000010}, /*MR2 */ 92 {0x000015DC, 0x00000000}, /*MR3 */ 93 94 {0x000015E4, 0x00203c18}, /*ZQC Configuration Register */ 95 {0x000015EC, 0xF800A225}, /*DDR PHY */ 96 97 {0x0, 0x0} 98 }; 99 100 MV_DRAM_MODES ds414_ddr_modes[MV_DDR3_MODES_NUMBER] = { 101 {"ds414_1333-667", 0x3, 0x5, 0x0, A0, syno_ddr3_b0_667_1g_v1, NULL}, 102 }; 103 104 extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[]; 105 106 MV_BIN_SERDES_CFG ds414_serdes_cfg[] = { 107 { MV_PEX_ROOT_COMPLEX, 0x02011111, 0x00000000, 108 { PEX_BUS_MODE_X4, PEX_BUS_MODE_X1, PEX_BUS_DISABLED, 109 PEX_BUS_DISABLED }, 110 0x0040, serdes_change_m_phy 111 } 112 }; 113 114 MV_DRAM_MODES *ddr3_get_static_ddr_mode(void) 115 { 116 return &ds414_ddr_modes[0]; 117 } 118 119 MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode) 120 { 121 return &ds414_serdes_cfg[0]; 122 } 123 124 u8 board_sat_r_get(u8 dev_num, u8 reg) 125 { 126 return (0x1 << 1 | 1); 127 } 128 129 int board_early_init_f(void) 130 { 131 int i; 132 133 /* Set GPP Out value */ 134 reg_write(GPP_DATA_OUT_REG(0), DS414_GPP_OUT_VAL_LOW); 135 reg_write(GPP_DATA_OUT_REG(1), DS414_GPP_OUT_VAL_MID); 136 reg_write(GPP_DATA_OUT_REG(2), DS414_GPP_OUT_VAL_HIGH); 137 138 /* set GPP polarity */ 139 reg_write(GPP_DATA_IN_POL_REG(0), DS414_GPP_OUT_POL_LOW); 140 reg_write(GPP_DATA_IN_POL_REG(1), DS414_GPP_OUT_POL_MID); 141 reg_write(GPP_DATA_IN_POL_REG(2), DS414_GPP_OUT_POL_HIGH); 142 143 /* Set GPP Out Enable */ 144 reg_write(GPP_DATA_OUT_EN_REG(0), DS414_GPP_OUT_ENA_LOW); 145 reg_write(GPP_DATA_OUT_EN_REG(1), DS414_GPP_OUT_ENA_MID); 146 reg_write(GPP_DATA_OUT_EN_REG(2), DS414_GPP_OUT_ENA_HIGH); 147 148 for (i = 0; i < ARRAY_SIZE(ds414_mpp_control); i++) 149 reg_write(MPP_CONTROL_REG(i), ds414_mpp_control[i]); 150 151 return 0; 152 } 153 154 int board_init(void) 155 { 156 u32 pwr_mng_ctrl_reg; 157 158 /* Adress of boot parameters */ 159 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; 160 161 /* Gate unused clocks 162 * 163 * Note: Disabling unused PCIe lanes will hang PCI bus scan. 164 * Once this is resolved, bits 10-12, 26 and 27 can be 165 * unset here as well. 166 */ 167 pwr_mng_ctrl_reg = reg_read(POWER_MNG_CTRL_REG); 168 pwr_mng_ctrl_reg &= ~(BIT(0)); /* Audio */ 169 pwr_mng_ctrl_reg &= ~(BIT(1) | BIT(2)); /* GE3, GE2 */ 170 pwr_mng_ctrl_reg &= ~(BIT(14) | BIT(15)); /* SATA0 link and core */ 171 pwr_mng_ctrl_reg &= ~(BIT(16)); /* LCD */ 172 pwr_mng_ctrl_reg &= ~(BIT(17)); /* SDIO */ 173 pwr_mng_ctrl_reg &= ~(BIT(19) | BIT(20)); /* USB1 and USB2 */ 174 pwr_mng_ctrl_reg &= ~(BIT(29) | BIT(30)); /* SATA1 link and core */ 175 reg_write(POWER_MNG_CTRL_REG, pwr_mng_ctrl_reg); 176 177 return 0; 178 } 179 180 int checkboard(void) 181 { 182 puts("Board: DS414\n"); 183 184 return 0; 185 } 186