1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2015 Stefan Roese <sr@denx.de>
4  */
5 
6 #include <common.h>
7 #include <i2c.h>
8 #include <miiphy.h>
9 #include <netdev.h>
10 #include <asm/io.h>
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/soc.h>
13 
14 #include "../drivers/ddr/marvell/a38x/ddr3_init.h"
15 #include <../serdes/a38x/high_speed_env_spec.h>
16 
17 DECLARE_GLOBAL_DATA_PTR;
18 
19 /*
20  * Those values and defines are taken from the Marvell U-Boot version
21  * "u-boot-2013.01-2016_T1.0.eng_drop_v10"
22  */
23 #define DB_AMC_88F68XX_GPP_OUT_ENA_LOW					\
24 	(~(BIT(29)))
25 #define DB_AMC_88F68XX_GPP_OUT_ENA_MID					\
26 	(~(BIT(12) | BIT(17) | BIT(18) | BIT(20) | BIT(21)))
27 #define DB_AMC_88F68XX_GPP_OUT_VAL_LOW	(BIT(29))
28 #define DB_AMC_88F68XX_GPP_OUT_VAL_MID	0x0
29 #define DB_AMC_88F68XX_GPP_OUT_VAL_HIGH	0x0
30 #define DB_AMC_88F68XX_GPP_POL_LOW	0x0
31 #define DB_AMC_88F68XX_GPP_POL_MID	0x0
32 
33 static struct serdes_map board_serdes_map[] = {
34 	{PEX0, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
35 	{DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
36 	{DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
37 	{DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
38 	{SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
39 	{SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}
40 };
41 
42 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
43 {
44 	*serdes_map_array = board_serdes_map;
45 	*count = ARRAY_SIZE(board_serdes_map);
46 	return 0;
47 }
48 
49 /*
50  * Define the DDR layout / topology here in the board file. This will
51  * be used by the DDR3 init code in the SPL U-Boot version to configure
52  * the DDR3 controller.
53  */
54 static struct mv_ddr_topology_map board_topology_map = {
55 	DEBUG_LEVEL_ERROR,
56 	0x1, /* active interfaces */
57 	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
58 	{ { { {0x1, 0, 0, 0},
59 	      {0x1, 0, 0, 0},
60 	      {0x1, 0, 0, 0},
61 	      {0x1, 0, 0, 0},
62 	      {0x1, 0, 0, 0} },
63 	    SPEED_BIN_DDR_1866L,	/* speed_bin */
64 	    MV_DDR_DEV_WIDTH_8BIT,	/* memory_width */
65 	    MV_DDR_DIE_CAP_2GBIT,	/* mem_size */
66 	    MV_DDR_FREQ_800,		/* frequency */
67 	    0, 0,			/* cas_wl cas_l */
68 	    MV_DDR_TEMP_LOW,		/* temperature */
69 	    MV_DDR_TIM_DEFAULT} },	/* timing */
70 	BUS_MASK_32BIT,			/* Busses mask */
71 	MV_DDR_CFG_DEFAULT,		/* ddr configuration data source */
72 	{ {0} },			/* raw spd data */
73 	{0}				/* timing parameters */
74 };
75 
76 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
77 {
78 	/* Return the board topology as defined in the board code */
79 	return &board_topology_map;
80 }
81 
82 int board_early_init_f(void)
83 {
84 	/* Configure MPP */
85 	writel(0x11111111, MVEBU_MPP_BASE + 0x00);
86 	writel(0x11111111, MVEBU_MPP_BASE + 0x04);
87 	writel(0x55066011, MVEBU_MPP_BASE + 0x08);
88 	writel(0x05055550, MVEBU_MPP_BASE + 0x0c);
89 	writel(0x05055555, MVEBU_MPP_BASE + 0x10);
90 	writel(0x01106565, MVEBU_MPP_BASE + 0x14);
91 	writel(0x40000000, MVEBU_MPP_BASE + 0x18);
92 	writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
93 
94 	/* Set GPP Out value */
95 	writel(DB_AMC_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
96 	writel(DB_AMC_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
97 
98 	/* Set GPP Polarity */
99 	writel(DB_AMC_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
100 	writel(DB_AMC_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
101 
102 	/* Set GPP Out Enable */
103 	writel(DB_AMC_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
104 	writel(DB_AMC_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
105 
106 	return 0;
107 }
108 
109 int board_init(void)
110 {
111 	/* adress of boot parameters */
112 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
113 
114 	return 0;
115 }
116 
117 int checkboard(void)
118 {
119 	puts("Board: Marvell DB-88F6820-AMC\n");
120 
121 	return 0;
122 }
123 
124 int board_eth_init(bd_t *bis)
125 {
126 	cpu_eth_init(bis); /* Built in controller(s) come first */
127 	return pci_eth_init(bis);
128 }
129