2 * (C) Copyright 2007 Michal Simek
3 * (C) Copyright 2004 Atmark Techno, Inc.
5 * Michal SIMEK <monstr@monstr.eu>
6 * Yasushi SHOJI <yashi@atmark-techno.com>
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <timestamp.h>
33 #include <stdio_dev.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
40 #ifdef CONFIG_SYS_GPIO_0
41 extern int gpio_init (void);
43 #ifdef CONFIG_SYS_INTC_0
44 extern int interrupts_init (void);
47 #if defined(CONFIG_CMD_NET)
48 extern int eth_init (bd_t * bis);
50 #ifdef CONFIG_SYS_TIMER_0
51 extern int timer_init (void);
53 #ifdef CONFIG_SYS_FSL_2
54 extern void fsl_init2 (void);
58 * All attempts to come up with a "common" initialization sequence
59 * that works for all boards and architectures failed: some of the
60 * requirements are just _too_ different. To get rid of the resulting
61 * mess of board dependend #ifdef'ed code we now make the whole
62 * initialization sequence configurable to the user.
64 * The requirements for any new initalization function is simple: it
65 * receives a pointer to the "global data" structure as it's only
66 * argument, and returns an integer return code, where 0 means
67 * "continue" and != 0 means "fatal error, hang the system".
69 typedef int (init_fnc_t) (void);
71 init_fnc_t *init_sequence[] = {
74 #ifdef CONFIG_SYS_GPIO_0
77 #ifdef CONFIG_SYS_INTC_0
80 #ifdef CONFIG_SYS_TIMER_0
83 #ifdef CONFIG_SYS_FSL_2
89 void board_init (void)
92 init_fnc_t **init_fnc_ptr;
93 gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET;
95 #if defined(CONFIG_CMD_FLASH)
98 asm ("nop"); /* FIXME gd is not initialize - wait */
99 memset ((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
100 gd->bd = (bd_t *) (gd + 1); /* At end of global data */
101 gd->baudrate = CONFIG_BAUDRATE;
103 bd->bi_baudrate = CONFIG_BAUDRATE;
104 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
105 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
106 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
109 * The Malloc area is immediately below the monitor copy in DRAM
110 * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
111 * as our monitory code is run from SDRAM
113 mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
115 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
117 if ((*init_fnc_ptr) () != 0) {
123 printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
124 printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
125 printf ("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);
127 #if defined(CONFIG_CMD_FLASH)
129 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
130 if (0 < (flash_size = flash_init ())) {
131 bd->bi_flashsize = flash_size;
132 bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size;
133 # ifdef CONFIG_SYS_FLASH_CHECKSUM
134 print_size (flash_size, "");
136 * Compute and print flash CRC if flashchecksum is set to 'y'
138 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
140 s = getenv ("flashchecksum");
141 if (s && (*s == 'y')) {
142 printf (" CRC: %08X",
143 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
147 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
148 print_size (flash_size, "\n");
149 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
151 puts ("Flash init FAILED");
152 bd->bi_flashstart = 0;
153 bd->bi_flashsize = 0;
154 bd->bi_flashoffset = 0;
158 /* relocate environment function pointers etc. */
161 /* Initialize stdio devices */
164 if ((s = getenv ("loadaddr")) != NULL) {
165 load_addr = simple_strtoul (s, NULL, 16);
168 #if defined(CONFIG_CMD_NET)
170 bd->bi_ip_addr = getenv_IPaddr("ipaddr");
173 eth_initialize(gd->bd);
176 eth_getenv_enetaddr("ethaddr", enetaddr);
177 printf("MAC: %pM\n", enetaddr);
189 puts ("### ERROR ### Please RESET the board ###\n");