xref: /openbmc/u-boot/board/kobol/helios4/helios4.c (revision 9ab403d0)
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 #define ETH_PHY_CTRL_REG		0
21 #define ETH_PHY_CTRL_POWER_DOWN_BIT	11
22 #define ETH_PHY_CTRL_POWER_DOWN_MASK	BIT(ETH_PHY_CTRL_POWER_DOWN_BIT)
23 
24 /*
25  * Those values and defines are taken from the Marvell U-Boot version
26  * "u-boot-2013.01-15t1-helios4" as well as the upstream config for clearfog
27  */
28 #define BOARD_GPP_OUT_ENA_LOW	0xffffffff
29 #define BOARD_GPP_OUT_ENA_MID	0xffffffff
30 
31 #define BOARD_GPP_OUT_VAL_LOW	0x0
32 #define BOARD_GPP_OUT_VAL_MID	0x0
33 #define BOARD_GPP_POL_LOW	0x0
34 #define BOARD_GPP_POL_MID	0x0
35 
36 static struct serdes_map board_serdes_map[] = {
37 	{SATA0, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
38 	{USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
39 	{SATA1, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
40 	{SATA3, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
41 	{SATA2, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
42 	{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
43 };
44 
45 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
46 {
47 	*serdes_map_array = board_serdes_map;
48 	*count = ARRAY_SIZE(board_serdes_map);
49 	return 0;
50 }
51 
52 /*
53  * Define the DDR layout / topology here in the board file. This will
54  * be used by the DDR3 init code in the SPL U-Boot version to configure
55  * the DDR3 controller.
56  */
57 static struct mv_ddr_topology_map board_topology_map = {
58 	DEBUG_LEVEL_ERROR,
59 	0x1, /* active interfaces */
60 	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
61 	{ { { {0x1, 0, 0, 0},
62 	      {0x1, 0, 0, 0},
63 	      {0x1, 0, 0, 0},
64 	      {0x1, 0, 0, 0},
65 	      {0x1, 0, 0, 0} },
66 	    SPEED_BIN_DDR_1600K,	/* speed_bin */
67 	    MV_DDR_DEV_WIDTH_16BIT,	/* memory_width */
68 	    MV_DDR_DIE_CAP_8GBIT,	/* mem_size */
69 	    MV_DDR_FREQ_800,		/* frequency */
70 	    0, 0,			/* cas_wl cas_l */
71 	    MV_DDR_TEMP_LOW,		/* temperature */
72 	    MV_DDR_TIM_DEFAULT} },	/* timing */
73 	BUS_MASK_32BIT_ECC,		/* Busses mask */
74 	MV_DDR_CFG_DEFAULT,		/* ddr configuration data source */
75 	{ {0} },			/* raw spd data */
76 	{0}				/* timing parameters */
77 };
78 
79 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
80 {
81 	/* Return the board topology as defined in the board code */
82 	return &board_topology_map;
83 }
84 
85 int board_early_init_f(void)
86 {
87 	/* Configure MPP */
88 	writel(0x11111111, MVEBU_MPP_BASE + 0x00);
89 	writel(0x11111111, MVEBU_MPP_BASE + 0x04);
90 	writel(0x10400011, MVEBU_MPP_BASE + 0x08);
91 	writel(0x22043333, MVEBU_MPP_BASE + 0x0c);
92 	writel(0x44400002, MVEBU_MPP_BASE + 0x10);
93 	writel(0x41144004, MVEBU_MPP_BASE + 0x14);
94 	writel(0x40333333, MVEBU_MPP_BASE + 0x18);
95 	writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
96 
97 	/* Set GPP Out value */
98 	writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
99 	writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
100 
101 	/* Set GPP Polarity */
102 	writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
103 	writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
104 
105 	/* Set GPP Out Enable */
106 	writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
107 	writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
108 
109 	return 0;
110 }
111 
112 int board_init(void)
113 {
114 	/* Address of boot parameters */
115 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
116 
117 	return 0;
118 }
119 
120 int checkboard(void)
121 {
122 	puts("Board: Helios4\n");
123 
124 	return 0;
125 }
126 
127 int board_eth_init(bd_t *bis)
128 {
129 	cpu_eth_init(bis); /* Built in controller(s) come first */
130 	return pci_eth_init(bis);
131 }
132