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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 0299c90f396c5b2971a4bac596339f4b03661c27 / . / board / solidrun / clearfog / clearfog.c
blob: 2773f5957e6e101321aa4d7990624c60555db5c1 [file] [log] [blame]
Stefan Roese0299c902015-10-20 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
18DECLARE_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 */
37struct marvell_io_exp {
38 u8 chip;
39 u8 addr;
40 u8 val;
41};
42
43static 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
52static 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
61int 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 */
73static 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
91struct 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
97int 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
124int 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
145int checkboard(void)
146{
147 puts("Board: SolidRun ClearFog\n");
148
149 return 0;
150}
151
152int 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}