Stefan Roese | 7360640 | 2015-10-20 15:14:47 +0200 | [diff] [blame^] | 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 <netdev.h> |
| 11 | #include <asm/io.h> |
| 12 | #include <asm/arch/cpu.h> |
| 13 | #include <asm/arch/soc.h> |
| 14 | |
| 15 | #include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h" |
| 16 | #include <../serdes/a38x/high_speed_env_spec.h> |
| 17 | |
| 18 | DECLARE_GLOBAL_DATA_PTR; |
| 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-2013.01-15t1-clearfog" |
| 27 | */ |
| 28 | #define BOARD_GPP_OUT_ENA_LOW 0xffffffff |
| 29 | #define BOARD_GPP_OUT_ENA_MID 0xffffffff |
| 30 | |
| 31 | #define BOARD_GPP_OUT_VAL_LOW 0x0 |
| 32 | #define BOARD_GPP_OUT_VAL_MID 0x0 |
| 33 | #define BOARD_GPP_POL_LOW 0x0 |
| 34 | #define BOARD_GPP_POL_MID 0x0 |
| 35 | |
| 36 | /* IO expander on Marvell GP board includes e.g. fan enabling */ |
| 37 | struct marvell_io_exp { |
| 38 | u8 chip; |
| 39 | u8 addr; |
| 40 | u8 val; |
| 41 | }; |
| 42 | |
| 43 | static struct marvell_io_exp io_exp[] = { |
| 44 | { 0x20, 2, 0x40 }, /* Deassert both mini pcie reset signals */ |
| 45 | { 0x20, 6, 0xf9 }, |
| 46 | { 0x20, 2, 0x46 }, /* rst signals and ena USB3 current limiter */ |
| 47 | { 0x20, 6, 0xb9 }, |
| 48 | { 0x20, 3, 0x00 }, /* Set SFP_TX_DIS to zero */ |
| 49 | { 0x20, 7, 0xbf }, /* Drive SFP_TX_DIS to zero */ |
| 50 | }; |
| 51 | |
| 52 | static struct serdes_map board_serdes_map[] = { |
| 53 | {SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0}, |
| 54 | {SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}, |
| 55 | {PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0}, |
| 56 | {USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0}, |
| 57 | {PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0}, |
| 58 | {SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}, |
| 59 | }; |
| 60 | |
| 61 | int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count) |
| 62 | { |
| 63 | *serdes_map_array = board_serdes_map; |
| 64 | *count = ARRAY_SIZE(board_serdes_map); |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | /* |
| 69 | * Define the DDR layout / topology here in the board file. This will |
| 70 | * be used by the DDR3 init code in the SPL U-Boot version to configure |
| 71 | * the DDR3 controller. |
| 72 | */ |
| 73 | static struct hws_topology_map board_topology_map = { |
| 74 | 0x1, /* active interfaces */ |
| 75 | /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */ |
| 76 | { { { {0x1, 0, 0, 0}, |
| 77 | {0x1, 0, 0, 0}, |
| 78 | {0x1, 0, 0, 0}, |
| 79 | {0x1, 0, 0, 0}, |
| 80 | {0x1, 0, 0, 0} }, |
| 81 | SPEED_BIN_DDR_1600K, /* speed_bin */ |
| 82 | BUS_WIDTH_16, /* memory_width */ |
| 83 | MEM_4G, /* mem_size */ |
| 84 | DDR_FREQ_800, /* frequency */ |
| 85 | 0, 0, /* cas_l cas_wl */ |
| 86 | HWS_TEMP_LOW} }, /* temperature */ |
| 87 | 5, /* Num Of Bus Per Interface*/ |
| 88 | BUS_MASK_32BIT /* Busses mask */ |
| 89 | }; |
| 90 | |
| 91 | struct hws_topology_map *ddr3_get_topology_map(void) |
| 92 | { |
| 93 | /* Return the board topology as defined in the board code */ |
| 94 | return &board_topology_map; |
| 95 | } |
| 96 | |
| 97 | int board_early_init_f(void) |
| 98 | { |
| 99 | /* Configure MPP */ |
| 100 | writel(0x11111111, MVEBU_MPP_BASE + 0x00); |
| 101 | writel(0x11111111, MVEBU_MPP_BASE + 0x04); |
| 102 | writel(0x10400011, MVEBU_MPP_BASE + 0x08); |
| 103 | writel(0x22043333, MVEBU_MPP_BASE + 0x0c); |
| 104 | writel(0x44400002, MVEBU_MPP_BASE + 0x10); |
| 105 | writel(0x41144004, MVEBU_MPP_BASE + 0x14); |
| 106 | writel(0x40333333, MVEBU_MPP_BASE + 0x18); |
| 107 | writel(0x00004444, MVEBU_MPP_BASE + 0x1c); |
| 108 | |
| 109 | /* Set GPP Out value */ |
| 110 | writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00); |
| 111 | writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00); |
| 112 | |
| 113 | /* Set GPP Polarity */ |
| 114 | writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c); |
| 115 | writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c); |
| 116 | |
| 117 | /* Set GPP Out Enable */ |
| 118 | writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04); |
| 119 | writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04); |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | int board_init(void) |
| 125 | { |
| 126 | int i; |
| 127 | |
| 128 | /* Address of boot parameters */ |
| 129 | gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
| 130 | |
| 131 | /* Toggle GPIO41 to reset onboard switch and phy */ |
| 132 | clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9)); |
| 133 | clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9)); |
| 134 | mdelay(1); |
| 135 | setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9)); |
| 136 | mdelay(10); |
| 137 | |
| 138 | /* Init I2C IO expanders */ |
| 139 | for (i = 0; i < ARRAY_SIZE(io_exp); i++) |
| 140 | i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1); |
| 141 | |
| 142 | return 0; |
| 143 | } |
| 144 | |
| 145 | int checkboard(void) |
| 146 | { |
| 147 | puts("Board: SolidRun ClearFog\n"); |
| 148 | |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | int board_eth_init(bd_t *bis) |
| 153 | { |
| 154 | cpu_eth_init(bis); /* Built in controller(s) come first */ |
| 155 | return pci_eth_init(bis); |
| 156 | } |