summaryrefslogtreecommitdiff
path: root/arch/sh/lib/board.c
blob: 6dad3c7dbfefcd400daabd34714062ed94d96516 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
 * Copyright (C) 2007, 2008, 2010
 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <command.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <version.h>
#include <watchdog.h>
#include <net.h>
#include <mmc.h>
#include <environment.h>

#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

extern int cpu_init(void);
extern int board_init(void);
extern int dram_init(void);
extern int timer_init(void);

unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;

#ifndef CONFIG_SYS_NO_FLASH
static int sh_flash_init(void)
{
	gd->bd->bi_flashsize = flash_init();

	if (gd->bd->bi_flashsize >= (1024 * 1024))
		printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
	else
		printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);

	return 0;
}
#endif /* CONFIG_SYS_NO_FLASH */

#if defined(CONFIG_CMD_NAND)
# include <nand.h>
# define INIT_FUNC_NAND_INIT nand_init,
#else
# define INIT_FUNC_NAND_INIT
#endif /* CONFIG_CMD_NAND */

#if defined(CONFIG_WATCHDOG)
extern int watchdog_init(void);
extern int watchdog_disable(void);
# undef INIT_FUNC_WATCHDOG_INIT
# define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
# define WATCHDOG_DISABLE       	watchdog_disable
#else
# define INIT_FUNC_WATCHDOG_INIT
# define WATCHDOG_DISABLE
#endif /* CONFIG_WATCHDOG */

#if defined(CONFIG_CMD_IDE)
# include <ide.h>
# define INIT_FUNC_IDE_INIT	ide_init,
#else
# define INIT_FUNC_IDE_INIT
#endif /* CONFIG_CMD_IDE */

#if defined(CONFIG_PCI)
#include <pci.h>
static int sh_pci_init(void)
{
	pci_init();
	return 0;
}
# define INIT_FUNC_PCI_INIT sh_pci_init,
#else
# define INIT_FUNC_PCI_INIT
#endif /* CONFIG_PCI */

static int sh_mem_env_init(void)
{
	mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
			CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
	env_relocate();
	jumptable_init();
	return 0;
}

#if defined(CONFIG_CMD_MMC)
static int sh_mmc_init(void)
{
	puts("MMC:   ");
	mmc_initialize(gd->bd);
	return 0;
}
#endif

typedef int (init_fnc_t) (void);

init_fnc_t *init_sequence[] =
{
	cpu_init,		/* basic cpu dependent setup */
	board_init,		/* basic board dependent setup */
	interrupt_init,	/* set up exceptions */
	env_init,		/* event init */
	serial_init,	/* SCIF init */
	INIT_FUNC_WATCHDOG_INIT	/* watchdog init */
	console_init_f,
	display_options,
	checkcpu,
	checkboard,		/* Check support board */
	dram_init,		/* SDRAM init */
	timer_init,		/* SuperH Timer (TCNT0 only) init */
	sh_mem_env_init,
#ifndef CONFIG_SYS_NO_FLASH
	sh_flash_init,	/* Flash memory init*/
#endif
	INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
	INIT_FUNC_PCI_INIT	/* PCI init */
	stdio_init,
	console_init_r,
	interrupt_init,
#ifdef CONFIG_BOARD_LATE_INIT
	board_late_init,
#endif
#if defined(CONFIG_CMD_MMC)
	sh_mmc_init,
#endif
	NULL			/* Terminate this list */
};

void sh_generic_init(void)
{
	bd_t *bd;
	init_fnc_t **init_fnc_ptr;

	memset(gd, 0, GENERATED_GBL_DATA_SIZE);

	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */

	gd->bd = (bd_t *)(gd + 1);	/* At end of global data */
	gd->baudrate = CONFIG_BAUDRATE;

	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;

	bd = gd->bd;
	bd->bi_memstart	= CONFIG_SYS_SDRAM_BASE;
	bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_SYS_NO_FLASH
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
	bd->bi_sramsize	= CONFIG_SYS_SRAM_SIZE;
#endif

	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
		WATCHDOG_RESET();
		if ((*init_fnc_ptr) () != 0)
			hang();
	}

#ifdef CONFIG_WATCHDOG
	/* disable watchdog if environment is set */
	{
		char *s = getenv("watchdog");
		if (s != NULL)
			if (strncmp(s, "off", 3) == 0)
				WATCHDOG_DISABLE();
	}
#endif /* CONFIG_WATCHDOG*/


#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
	puts("Net:   ");
	eth_initialize();
#endif /* CONFIG_CMD_NET */

	while (1) {
		WATCHDOG_RESET();
		main_loop();
	}
}