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