xref: /openbmc/u-boot/board/kobol/helios4/helios4.c (revision 25fde1c0)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2018 Dennis Gilmore <dgilmore@redhat.com>
4  *  based on board/solidrun/clearfog/clearfog.c
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_init.h"
16 #include <../serdes/a38x/high_speed_env_spec.h>
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 /*
21  * Those values and defines are taken from the Marvell U-Boot version
22  * "u-boot-2013.01-15t1-helios4" as well as the upstream config for clearfog
23  */
24 #define BOARD_GPP_OUT_ENA_LOW	0xffffffff
25 #define BOARD_GPP_OUT_ENA_MID	0xffffffff
26 
27 #define BOARD_GPP_OUT_VAL_LOW	0x0
28 #define BOARD_GPP_OUT_VAL_MID	0x0
29 #define BOARD_GPP_POL_LOW	0x0
30 #define BOARD_GPP_POL_MID	0x0
31 
32 static struct serdes_map board_serdes_map[] = {
33 	{SATA0, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
34 	{USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
35 	{SATA1, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
36 	{SATA3, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
37 	{SATA2, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
38 	{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
39 };
40 
41 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
42 {
43 	*serdes_map_array = board_serdes_map;
44 	*count = ARRAY_SIZE(board_serdes_map);
45 	return 0;
46 }
47 
48 /*
49  * Define the DDR layout / topology here in the board file. This will
50  * be used by the DDR3 init code in the SPL U-Boot version to configure
51  * the DDR3 controller.
52  */
53 static struct mv_ddr_topology_map board_topology_map = {
54 	DEBUG_LEVEL_ERROR,
55 	0x1, /* active interfaces */
56 	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
57 	{ { { {0x1, 0, 0, 0},
58 	      {0x1, 0, 0, 0},
59 	      {0x1, 0, 0, 0},
60 	      {0x1, 0, 0, 0},
61 	      {0x1, 0, 0, 0} },
62 	    SPEED_BIN_DDR_1600K,	/* speed_bin */
63 	    MV_DDR_DEV_WIDTH_16BIT,	/* memory_width */
64 	    MV_DDR_DIE_CAP_8GBIT,	/* mem_size */
65 	    MV_DDR_FREQ_800,		/* frequency */
66 	    0, 0,			/* cas_wl cas_l */
67 	    MV_DDR_TEMP_LOW,		/* temperature */
68 	    MV_DDR_TIM_DEFAULT} },	/* timing */
69 	BUS_MASK_32BIT_ECC,		/* Busses mask */
70 	MV_DDR_CFG_DEFAULT,		/* ddr configuration data source */
71 	{ {0} },			/* raw spd data */
72 	{0}				/* timing parameters */
73 };
74 
75 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
76 {
77 	/* Return the board topology as defined in the board code */
78 	return &board_topology_map;
79 }
80 
81 int board_early_init_f(void)
82 {
83 	/* Configure MPP */
84 	writel(0x11111111, MVEBU_MPP_BASE + 0x00);
85 	writel(0x11111111, MVEBU_MPP_BASE + 0x04);
86 	writel(0x10400011, MVEBU_MPP_BASE + 0x08);
87 	writel(0x22043333, MVEBU_MPP_BASE + 0x0c);
88 	writel(0x44400002, MVEBU_MPP_BASE + 0x10);
89 	writel(0x41144004, MVEBU_MPP_BASE + 0x14);
90 	writel(0x40333333, MVEBU_MPP_BASE + 0x18);
91 	writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
92 
93 	/* Set GPP Out value */
94 	writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
95 	writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
96 
97 	/* Set GPP Polarity */
98 	writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
99 	writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
100 
101 	/* Set GPP Out Enable */
102 	writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
103 	writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
104 
105 	return 0;
106 }
107 
108 int board_init(void)
109 {
110 	/* Address of boot parameters */
111 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
112 
113 	return 0;
114 }
115 
116 int checkboard(void)
117 {
118 	puts("Board: Helios4\n");
119 
120 	return 0;
121 }
122 
123 int board_eth_init(bd_t *bis)
124 {
125 	cpu_eth_init(bis); /* Built in controller(s) come first */
126 	return pci_eth_init(bis);
127 }
128