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[people/ms/u-boot.git] / board / Marvell / db-88f6820-gp / db-88f6820-gp.c
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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>
ce2cb1d3 10#include <netdev.h>
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11#include <asm/io.h>
12#include <asm/arch/cpu.h>
13#include <asm/arch/soc.h>
14
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15#include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h"
16
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17DECLARE_GLOBAL_DATA_PTR;
18
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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)
22
23/*
24 * Those values and defines are taken from the Marvell U-Boot version
25 * "u-boot-2013.01-2014_T3.0"
26 */
27#define DB_GP_88F68XX_GPP_OUT_ENA_LOW \
28 (~(BIT(1) | BIT(4) | BIT(6) | BIT(7) | BIT(8) | BIT(9) | \
29 BIT(10) | BIT(11) | BIT(19) | BIT(22) | BIT(23) | BIT(25) | \
30 BIT(26) | BIT(27) | BIT(29) | BIT(30) | BIT(31)))
31#define DB_GP_88F68XX_GPP_OUT_ENA_MID \
32 (~(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(15) | \
33 BIT(16) | BIT(17) | BIT(18)))
34
35#define DB_GP_88F68XX_GPP_OUT_VAL_LOW 0x0
36#define DB_GP_88F68XX_GPP_OUT_VAL_MID 0x0
37#define DB_GP_88F68XX_GPP_POL_LOW 0x0
38#define DB_GP_88F68XX_GPP_POL_MID 0x0
39
40/* IO expander on Marvell GP board includes e.g. fan enabling */
41struct marvell_io_exp {
42 u8 chip;
43 u8 addr;
44 u8 val;
45};
46
47static struct marvell_io_exp io_exp[] = {
48 { 0x20, 6, 0x20 }, /* Configuration registers: Bit on --> Input bits */
49 { 0x20, 7, 0xC3 }, /* Configuration registers: Bit on --> Input bits */
50 { 0x20, 2, 0x1D }, /* Output Data, register#0 */
51 { 0x20, 3, 0x18 }, /* Output Data, register#1 */
52 { 0x21, 6, 0xC3 }, /* Configuration registers: Bit on --> Input bits */
53 { 0x21, 7, 0x31 }, /* Configuration registers: Bit on --> Input bits */
54 { 0x21, 2, 0x08 }, /* Output Data, register#0 */
55 { 0x21, 3, 0xC0 } /* Output Data, register#1 */
56};
57
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58/*
59 * Define the DDR layout / topology here in the board file. This will
60 * be used by the DDR3 init code in the SPL U-Boot version to configure
61 * the DDR3 controller.
62 */
63static struct hws_topology_map board_topology_map = {
64 0x1, /* active interfaces */
65 /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
66 { { { {0x1, 0, 0, 0},
67 {0x1, 0, 0, 0},
68 {0x1, 0, 0, 0},
69 {0x1, 0, 0, 0},
70 {0x1, 0, 0, 0} },
71 SPEED_BIN_DDR_1866L, /* speed_bin */
72 BUS_WIDTH_8, /* memory_width */
73 MEM_4G, /* mem_size */
74 DDR_FREQ_800, /* frequency */
75 0, 0, /* cas_l cas_wl */
76 HWS_TEMP_LOW} }, /* temperature */
77 5, /* Num Of Bus Per Interface*/
78 BUS_MASK_32BIT /* Busses mask */
79};
80
81struct hws_topology_map *ddr3_get_topology_map(void)
82{
83 /* Return the board topology as defined in the board code */
84 return &board_topology_map;
85}
86
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87int board_early_init_f(void)
88{
89 /* Configure MPP */
90 writel(0x11111111, MVEBU_MPP_BASE + 0x00);
91 writel(0x11111111, MVEBU_MPP_BASE + 0x04);
92 writel(0x11244011, MVEBU_MPP_BASE + 0x08);
93 writel(0x22222111, MVEBU_MPP_BASE + 0x0c);
94 writel(0x22200002, MVEBU_MPP_BASE + 0x10);
95 writel(0x30042022, MVEBU_MPP_BASE + 0x14);
96 writel(0x55550555, MVEBU_MPP_BASE + 0x18);
97 writel(0x00005550, MVEBU_MPP_BASE + 0x1c);
98
99 /* Set GPP Out value */
100 writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
101 writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
102
103 /* Set GPP Polarity */
104 writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
105 writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
106
107 /* Set GPP Out Enable */
108 writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
109 writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
110
111 return 0;
112}
113
114int board_init(void)
115{
116 int i;
117
118 /* adress of boot parameters */
119 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
120
121 /* Init I2C IO expanders */
122 for (i = 0; i < ARRAY_SIZE(io_exp); i++)
123 i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
124
125 return 0;
126}
127
128int checkboard(void)
129{
130 puts("Board: Marvell DB-88F6820-GP\n");
131
132 return 0;
133}
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134
135int board_eth_init(bd_t *bis)
136{
137 cpu_eth_init(bis); /* Built in controller(s) come first */
138 return pci_eth_init(bis);
139}