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2bae75a4 SR |
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> |
2bae75a4 SR |
11 | #include <asm/io.h> |
12 | #include <asm/arch/cpu.h> | |
13 | #include <asm/arch/soc.h> | |
14 | ||
9e30b31d SR |
15 | #include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h" |
16 | ||
2bae75a4 SR |
17 | DECLARE_GLOBAL_DATA_PTR; |
18 | ||
2bae75a4 SR |
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 */ | |
41 | struct marvell_io_exp { | |
42 | u8 chip; | |
43 | u8 addr; | |
44 | u8 val; | |
45 | }; | |
46 | ||
47 | static 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 | ||
9e30b31d SR |
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 | */ | |
63 | static 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 | ||
81 | struct 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 | ||
2bae75a4 SR |
87 | int 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 | ||
114 | int 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 | ||
128 | int checkboard(void) | |
129 | { | |
130 | puts("Board: Marvell DB-88F6820-GP\n"); | |
131 | ||
132 | return 0; | |
133 | } | |
ce2cb1d3 SR |
134 | |
135 | int 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 | } |