2 * Copyright (C) 2007,2008
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,
24 #include <stdio_dev.h>
25 #include <timestamp.h>
29 #include <environment.h>
31 extern void malloc_bin_reloc (void);
32 extern int cpu_init(void);
33 extern int board_init(void);
34 extern int dram_init(void);
35 extern int timer_init(void);
37 const char version_string[] = U_BOOT_VERSION" ("U_BOOT_DATE" - "U_BOOT_TIME")";
39 unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
41 static void mem_malloc_init(void)
44 mem_malloc_start = (TEXT_BASE - CONFIG_SYS_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN);
45 mem_malloc_end = (mem_malloc_start + CONFIG_SYS_MALLOC_LEN - 16);
46 mem_malloc_brk = mem_malloc_start;
47 memset((void *) mem_malloc_start, 0,
48 (mem_malloc_end - mem_malloc_start));
51 static int sh_flash_init(void)
53 DECLARE_GLOBAL_DATA_PTR;
55 gd->bd->bi_flashsize = flash_init();
56 printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
61 #if defined(CONFIG_CMD_NAND)
63 # define INIT_FUNC_NAND_INIT nand_init,
65 # define INIT_FUNC_NAND_INIT
66 #endif /* CONFIG_CMD_NAND */
68 #if defined(CONFIG_WATCHDOG)
69 extern int watchdog_init(void);
70 extern int watchdog_disable(void);
71 # define INIT_FUNC_WATCHDOG_INIT watchdog_init,
72 # define WATCHDOG_DISABLE watchdog_disable
74 # define INIT_FUNC_WATCHDOG_INIT
75 # define WATCHDOG_DISABLE
76 #endif /* CONFIG_WATCHDOG */
78 #if defined(CONFIG_CMD_IDE)
80 # define INIT_FUNC_IDE_INIT ide_init,
82 # define INIT_FUNC_IDE_INIT
83 #endif /* CONFIG_CMD_IDE */
85 #if defined(CONFIG_PCI)
87 static int sh_pci_init(void)
92 # define INIT_FUNC_PCI_INIT sh_pci_init,
94 # define INIT_FUNC_PCI_INIT
95 #endif /* CONFIG_PCI */
97 static int sh_mem_env_init(void)
106 #if defined(CONFIG_CMD_NET)
107 static int sh_net_init(void)
109 DECLARE_GLOBAL_DATA_PTR;
110 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
115 typedef int (init_fnc_t) (void);
117 init_fnc_t *init_sequence[] =
119 cpu_init, /* basic cpu dependent setup */
120 board_init, /* basic board dependent setup */
121 interrupt_init, /* set up exceptions */
122 env_init, /* event init */
123 serial_init, /* SCIF init */
124 INIT_FUNC_WATCHDOG_INIT /* watchdog init */
128 checkboard, /* Check support board */
129 dram_init, /* SDRAM init */
130 timer_init, /* SuperH Timer (TCNT0 only) init */
132 sh_flash_init, /* Flash memory(NOR) init*/
133 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
134 INIT_FUNC_PCI_INIT /* PCI init */
138 #ifdef BOARD_LATE_INIT
141 #if defined(CONFIG_CMD_NET)
142 sh_net_init, /* SH specific eth init */
144 NULL /* Terminate this list */
147 void sh_generic_init(void)
149 DECLARE_GLOBAL_DATA_PTR;
152 init_fnc_t **init_fnc_ptr;
154 memset(gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
156 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
158 gd->bd = (bd_t *)(gd + 1); /* At end of global data */
159 gd->baudrate = CONFIG_BAUDRATE;
161 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
164 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
165 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
166 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
167 #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
168 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
169 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
171 bd->bi_baudrate = CONFIG_BAUDRATE;
173 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
175 if ((*init_fnc_ptr) () != 0)
179 #ifdef CONFIG_WATCHDOG
180 /* disable watchdog if environment is set */
182 char *s = getenv("watchdog");
184 if (strncmp(s, "off", 3) == 0)
187 #endif /* CONFIG_WATCHDOG*/
190 #if defined(CONFIG_CMD_NET)
194 eth_initialize(gd->bd);
196 s = getenv("bootfile");
198 copy_filename(BootFile, s, sizeof(BootFile));
200 #endif /* CONFIG_CMD_NET */
208 /***********************************************************************/
212 puts("Board ERROR\n");