1 /* 2 * Copyright (C) 2015 Stefan Roese <sr@denx.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <i2c.h> 9 #include <miiphy.h> 10 #include <asm/io.h> 11 #include <asm/arch/cpu.h> 12 #include <asm/arch/soc.h> 13 14 #include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h" 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 #define BIT(nr) (1UL << (nr)) 19 20 #define ETH_PHY_CTRL_REG 0 21 #define ETH_PHY_CTRL_POWER_DOWN_BIT 11 22 #define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT) 23 24 /* 25 * Those values and defines are taken from the Marvell U-Boot version 26 * "u-boot-2013.01-2014_T3.0" 27 */ 28 #define DB_GP_88F68XX_GPP_OUT_ENA_LOW \ 29 (~(BIT(1) | BIT(4) | BIT(6) | BIT(7) | BIT(8) | BIT(9) | \ 30 BIT(10) | BIT(11) | BIT(19) | BIT(22) | BIT(23) | BIT(25) | \ 31 BIT(26) | BIT(27) | BIT(29) | BIT(30) | BIT(31))) 32 #define DB_GP_88F68XX_GPP_OUT_ENA_MID \ 33 (~(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(15) | \ 34 BIT(16) | BIT(17) | BIT(18))) 35 36 #define DB_GP_88F68XX_GPP_OUT_VAL_LOW 0x0 37 #define DB_GP_88F68XX_GPP_OUT_VAL_MID 0x0 38 #define DB_GP_88F68XX_GPP_POL_LOW 0x0 39 #define DB_GP_88F68XX_GPP_POL_MID 0x0 40 41 /* IO expander on Marvell GP board includes e.g. fan enabling */ 42 struct marvell_io_exp { 43 u8 chip; 44 u8 addr; 45 u8 val; 46 }; 47 48 static struct marvell_io_exp io_exp[] = { 49 { 0x20, 6, 0x20 }, /* Configuration registers: Bit on --> Input bits */ 50 { 0x20, 7, 0xC3 }, /* Configuration registers: Bit on --> Input bits */ 51 { 0x20, 2, 0x1D }, /* Output Data, register#0 */ 52 { 0x20, 3, 0x18 }, /* Output Data, register#1 */ 53 { 0x21, 6, 0xC3 }, /* Configuration registers: Bit on --> Input bits */ 54 { 0x21, 7, 0x31 }, /* Configuration registers: Bit on --> Input bits */ 55 { 0x21, 2, 0x08 }, /* Output Data, register#0 */ 56 { 0x21, 3, 0xC0 } /* Output Data, register#1 */ 57 }; 58 59 /* 60 * Define the DDR layout / topology here in the board file. This will 61 * be used by the DDR3 init code in the SPL U-Boot version to configure 62 * the DDR3 controller. 63 */ 64 static struct hws_topology_map board_topology_map = { 65 0x1, /* active interfaces */ 66 /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */ 67 { { { {0x1, 0, 0, 0}, 68 {0x1, 0, 0, 0}, 69 {0x1, 0, 0, 0}, 70 {0x1, 0, 0, 0}, 71 {0x1, 0, 0, 0} }, 72 SPEED_BIN_DDR_1866L, /* speed_bin */ 73 BUS_WIDTH_8, /* memory_width */ 74 MEM_4G, /* mem_size */ 75 DDR_FREQ_800, /* frequency */ 76 0, 0, /* cas_l cas_wl */ 77 HWS_TEMP_LOW} }, /* temperature */ 78 5, /* Num Of Bus Per Interface*/ 79 BUS_MASK_32BIT /* Busses mask */ 80 }; 81 82 struct hws_topology_map *ddr3_get_topology_map(void) 83 { 84 /* Return the board topology as defined in the board code */ 85 return &board_topology_map; 86 } 87 88 int board_early_init_f(void) 89 { 90 /* Configure MPP */ 91 writel(0x11111111, MVEBU_MPP_BASE + 0x00); 92 writel(0x11111111, MVEBU_MPP_BASE + 0x04); 93 writel(0x11244011, MVEBU_MPP_BASE + 0x08); 94 writel(0x22222111, MVEBU_MPP_BASE + 0x0c); 95 writel(0x22200002, MVEBU_MPP_BASE + 0x10); 96 writel(0x30042022, MVEBU_MPP_BASE + 0x14); 97 writel(0x55550555, MVEBU_MPP_BASE + 0x18); 98 writel(0x00005550, MVEBU_MPP_BASE + 0x1c); 99 100 /* Set GPP Out value */ 101 writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00); 102 writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00); 103 104 /* Set GPP Polarity */ 105 writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c); 106 writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c); 107 108 /* Set GPP Out Enable */ 109 writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04); 110 writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04); 111 112 return 0; 113 } 114 115 int board_init(void) 116 { 117 int i; 118 119 /* adress of boot parameters */ 120 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; 121 122 /* Init I2C IO expanders */ 123 for (i = 0; i < ARRAY_SIZE(io_exp); i++) 124 i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1); 125 126 return 0; 127 } 128 129 int checkboard(void) 130 { 131 puts("Board: Marvell DB-88F6820-GP\n"); 132 133 return 0; 134 } 135