1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Stefan Roese <sr@denx.de>
4 */
5
6 #include <config.h>
7 #include <i2c.h>
8 #include <init.h>
9 #include <miiphy.h>
10 #include <net.h>
11 #include <netdev.h>
12 #include <asm/global_data.h>
13 #include <asm/io.h>
14 #include <asm/arch/cpu.h>
15 #include <asm/arch/soc.h>
16 #include <linux/bitops.h>
17
18 #include "../drivers/ddr/marvell/a38x/ddr3_init.h"
19 #include <../serdes/a38x/high_speed_env_spec.h>
20
21 DECLARE_GLOBAL_DATA_PTR;
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
58 static struct serdes_map board_serdes_map[] = {
59 {PEX0, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
60 {SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
61 {SATA1, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
62 {SATA3, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
63 {SATA2, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
64 {USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0}
65 };
66
hws_board_topology_load(struct serdes_map ** serdes_map_array,u8 * count)67 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
68 {
69 *serdes_map_array = board_serdes_map;
70 *count = ARRAY_SIZE(board_serdes_map);
71 return 0;
72 }
73
74 /*
75 * Define the DDR layout / topology here in the board file. This will
76 * be used by the DDR3 init code in the SPL U-Boot version to configure
77 * the DDR3 controller.
78 */
79 static struct mv_ddr_topology_map board_topology_map = {
80 DEBUG_LEVEL_ERROR,
81 0x1, /* active interfaces */
82 /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
83 { { { {0x1, 0, 0, 0},
84 {0x1, 0, 0, 0},
85 {0x1, 0, 0, 0},
86 {0x1, 0, 0, 0},
87 {0x1, 0, 0, 0} },
88 SPEED_BIN_DDR_1866L, /* speed_bin */
89 MV_DDR_DEV_WIDTH_8BIT, /* memory_width */
90 MV_DDR_DIE_CAP_4GBIT, /* mem_size */
91 MV_DDR_FREQ_800, /* frequency */
92 0, 0, /* cas_wl cas_l */
93 MV_DDR_TEMP_LOW, /* temperature */
94 MV_DDR_TIM_DEFAULT} }, /* timing */
95 BUS_MASK_32BIT, /* Busses mask */
96 MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
97 NOT_COMBINED, /* ddr twin-die combined */
98 { {0} }, /* raw spd data */
99 {0} /* timing parameters */
100 };
101
mv_ddr_topology_map_get(void)102 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
103 {
104 /* Return the board topology as defined in the board code */
105 return &board_topology_map;
106 }
107
board_early_init_f(void)108 int board_early_init_f(void)
109 {
110 /* Configure MPP */
111 writel(0x11111111, MVEBU_MPP_BASE + 0x00);
112 writel(0x11111111, MVEBU_MPP_BASE + 0x04);
113 writel(0x11244011, MVEBU_MPP_BASE + 0x08);
114 writel(0x22222111, MVEBU_MPP_BASE + 0x0c);
115 writel(0x22200002, MVEBU_MPP_BASE + 0x10);
116 writel(0x30042022, MVEBU_MPP_BASE + 0x14);
117 writel(0x55550555, MVEBU_MPP_BASE + 0x18);
118 writel(0x00005550, MVEBU_MPP_BASE + 0x1c);
119
120 /* Set GPP Out value */
121 writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
122 writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
123
124 /* Set GPP Polarity */
125 writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
126 writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
127
128 /* Set GPP Out Enable */
129 writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
130 writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
131
132 return 0;
133 }
134
board_init(void)135 int board_init(void)
136 {
137 int i;
138
139 /* adress of boot parameters */
140 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
141
142 /* Init I2C IO expanders */
143 for (i = 0; i < ARRAY_SIZE(io_exp); i++)
144 i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
145
146 return 0;
147 }
148
checkboard(void)149 int checkboard(void)
150 {
151 puts("Board: Marvell DB-88F6820-GP\n");
152
153 return 0;
154 }
155
board_eth_init(struct bd_info * bis)156 int board_eth_init(struct bd_info *bis)
157 {
158 cpu_eth_init(bis); /* Built in controller(s) come first */
159 return pci_eth_init(bis);
160 }
161