1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Stefan Roese <sr@denx.de>
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/soc.h>
14 #include "../drivers/ddr/marvell/a38x/ddr3_init.h"
15 #include <../serdes/a38x/high_speed_env_spec.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 #define ETH_PHY_CTRL_REG 0
20 #define ETH_PHY_CTRL_POWER_DOWN_BIT 11
21 #define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
24 * Those values and defines are taken from the Marvell U-Boot version
25 * "u-boot-2013.01-15t1-clearfog"
27 #define BOARD_GPP_OUT_ENA_LOW 0xffffffff
28 #define BOARD_GPP_OUT_ENA_MID 0xffffffff
30 #define BOARD_GPP_OUT_VAL_LOW 0x0
31 #define BOARD_GPP_OUT_VAL_MID 0x0
32 #define BOARD_GPP_POL_LOW 0x0
33 #define BOARD_GPP_POL_MID 0x0
35 /* IO expander on Marvell GP board includes e.g. fan enabling */
36 struct marvell_io_exp {
42 static struct marvell_io_exp io_exp[] = {
43 { 0x20, 2, 0x40 }, /* Deassert both mini pcie reset signals */
45 { 0x20, 2, 0x46 }, /* rst signals and ena USB3 current limiter */
47 { 0x20, 3, 0x00 }, /* Set SFP_TX_DIS to zero */
48 { 0x20, 7, 0xbf }, /* Drive SFP_TX_DIS to zero */
51 static struct serdes_map board_serdes_map[] = {
52 {SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
53 {SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
54 {PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
55 {USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
56 {PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
57 {SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
60 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
62 *serdes_map_array = board_serdes_map;
63 *count = ARRAY_SIZE(board_serdes_map);
68 * Define the DDR layout / topology here in the board file. This will
69 * be used by the DDR3 init code in the SPL U-Boot version to configure
70 * the DDR3 controller.
72 static struct mv_ddr_topology_map board_topology_map = {
74 0x1, /* active interfaces */
75 /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
81 SPEED_BIN_DDR_1600K, /* speed_bin */
82 MV_DDR_DEV_WIDTH_16BIT, /* memory_width */
83 MV_DDR_DIE_CAP_4GBIT, /* mem_size */
84 DDR_FREQ_800, /* frequency */
85 0, 0, /* cas_wl cas_l */
86 MV_DDR_TEMP_LOW, /* temperature */
87 MV_DDR_TIM_DEFAULT} }, /* timing */
88 BUS_MASK_32BIT, /* Busses mask */
89 MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
90 { {0} }, /* raw spd data */
91 {0} /* timing parameters */
94 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
96 /* Return the board topology as defined in the board code */
97 return &board_topology_map;
100 int board_early_init_f(void)
103 writel(0x11111111, MVEBU_MPP_BASE + 0x00);
104 writel(0x11111111, MVEBU_MPP_BASE + 0x04);
105 writel(0x10400011, MVEBU_MPP_BASE + 0x08);
106 writel(0x22043333, MVEBU_MPP_BASE + 0x0c);
107 writel(0x44400002, MVEBU_MPP_BASE + 0x10);
108 writel(0x41144004, MVEBU_MPP_BASE + 0x14);
109 writel(0x40333333, MVEBU_MPP_BASE + 0x18);
110 writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
112 /* Set GPP Out value */
113 writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
114 writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
116 /* Set GPP Polarity */
117 writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
118 writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
120 /* Set GPP Out Enable */
121 writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
122 writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
131 /* Address of boot parameters */
132 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
134 /* Toggle GPIO41 to reset onboard switch and phy */
135 clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
136 clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
137 /* GPIO 19 on ClearFog rev 2.1 controls the uSOM onboard phy reset */
138 clrbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
139 clrbits_le32(MVEBU_GPIO0_BASE + 0x4, BIT(19));
141 setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
142 setbits_le32(MVEBU_GPIO0_BASE + 0x0, BIT(19));
145 /* Init I2C IO expanders */
146 for (i = 0; i < ARRAY_SIZE(io_exp); i++)
147 i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
154 puts("Board: SolidRun ClearFog\n");
159 int board_eth_init(bd_t *bis)
161 cpu_eth_init(bis); /* Built in controller(s) come first */
162 return pci_eth_init(bis);