3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <environment.h>
29 extern void malloc_bin_reloc (void);
30 extern int cpu_init(void);
31 extern int board_init(void);
32 extern int dram_init(void);
33 extern int watchdog_init(void);
34 extern int timer_init(void);
36 const char version_string[] = U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
38 unsigned long monitor_flash_len = CFG_MONITOR_LEN;
40 static unsigned long mem_malloc_start;
41 static unsigned long mem_malloc_end;
42 static unsigned long mem_malloc_brk;
44 static void mem_malloc_init (void)
47 mem_malloc_start = (TEXT_BASE - CFG_GBL_DATA_SIZE - CFG_MALLOC_LEN);
48 mem_malloc_end = (mem_malloc_start + CFG_MALLOC_LEN - 16);
49 mem_malloc_brk = mem_malloc_start;
50 memset ((void *) mem_malloc_start, 0,
51 (mem_malloc_end - mem_malloc_start));
54 void *sbrk (ptrdiff_t increment)
56 unsigned long old = mem_malloc_brk;
57 unsigned long new = old + increment;
59 if ((new < mem_malloc_start) ||
60 (new > mem_malloc_end)) {
68 typedef int (init_fnc_t) (void);
70 init_fnc_t *init_sequence[] =
72 cpu_init, /* basic cpu dependent setup */
73 board_init, /* basic board dependent setup */
74 interrupt_init, /* set up exceptions */
75 env_init, /* event init */
76 serial_init, /* SCIF init */
82 dram_init, /* SDRAM init */
83 NULL /* Terminate this list */
86 void sh_generic_init (void)
88 DECLARE_GLOBAL_DATA_PTR;
91 init_fnc_t **init_fnc_ptr;
95 memset (gd, 0, CFG_GBL_DATA_SIZE);
97 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
99 gd->bd = (bd_t *) (gd + 1); /* At end of global data */
100 gd->baudrate = CONFIG_BAUDRATE;
102 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
105 bd->bi_memstart = CFG_SDRAM_BASE;
106 bd->bi_memsize = CFG_SDRAM_SIZE;
107 bd->bi_flashstart = CFG_FLASH_BASE;
108 #if defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE)
109 bd->bi_sramstart= CFG_SRAM_BASE;
110 bd->bi_sramsize = CFG_SRAM_SIZE;
112 bd->bi_baudrate = CONFIG_BAUDRATE;
114 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
115 if ((*init_fnc_ptr) () != 0) {
122 /* flash_init need timer_init().(TMU) */
123 bd->bi_flashsize = flash_init();
124 printf("FLASH: %dMB\n", bd->bi_flashsize / (1024*1024));
130 #if (CONFIG_COMMANDS & CFG_CMD_NET)
131 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
132 s = getenv ("ethaddr");
133 for (i = 0; i < 6; ++i) {
134 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
135 if (s) s = (*e) ? e + 1 : e;
142 #ifdef BOARD_LATE_INIT
145 #if (CONFIG_COMMANDS & CFG_CMD_NET)
146 #if defined(CONFIG_NET_MULTI)
149 eth_initialize(gd->bd);
157 /***********************************************************************/
161 puts ("Board ERROR \n");