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Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +09001/*
Nobuhiro Iwamatsuc4176c42010-10-26 20:23:53 +09002 * Copyright (C) 2007, 2008, 2010
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +09003 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
4 *
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.
9 *
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.
14 *
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,
18 * MA 02111-1307 USA
19 */
20
21#include <common.h>
22#include <command.h>
23#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020024#include <stdio_dev.h>
Peter Tyser561858e2008-11-03 09:30:59 -060025#include <timestamp.h>
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090026#include <version.h>
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090027#include <watchdog.h>
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090028#include <net.h>
29#include <environment.h>
30
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020031#ifdef CONFIG_BITBANGMII
32#include <miiphy.h>
33#endif
34
John Rigby29565322010-12-20 18:27:51 -070035DECLARE_GLOBAL_DATA_PTR;
36
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090037extern int cpu_init(void);
38extern int board_init(void);
39extern int dram_init(void);
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090040extern int timer_init(void);
41
Peter Tyser561858e2008-11-03 09:30:59 -060042const char version_string[] = U_BOOT_VERSION" ("U_BOOT_DATE" - "U_BOOT_TIME")";
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090043
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020044unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090045
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +090046#ifndef CONFIG_SYS_NO_FLASH
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090047static int sh_flash_init(void)
48{
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090049 gd->bd->bi_flashsize = flash_init();
Nobuhiro Iwamatsuc4176c42010-10-26 20:23:53 +090050
51 if (gd->bd->bi_flashsize >= (1024 * 1024))
Peter Tysereddf52b2010-12-28 18:12:05 -060052 printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
Nobuhiro Iwamatsuc4176c42010-10-26 20:23:53 +090053 else
Peter Tysereddf52b2010-12-28 18:12:05 -060054 printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090055
56 return 0;
57}
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +090058#endif /* CONFIG_SYS_NO_FLASH */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090059
60#if defined(CONFIG_CMD_NAND)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090061# include <nand.h>
62# define INIT_FUNC_NAND_INIT nand_init,
63#else
64# define INIT_FUNC_NAND_INIT
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090065#endif /* CONFIG_CMD_NAND */
66
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090067#if defined(CONFIG_WATCHDOG)
68extern int watchdog_init(void);
69extern int watchdog_disable(void);
70# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
71# define WATCHDOG_DISABLE watchdog_disable
72#else
73# define INIT_FUNC_WATCHDOG_INIT
74# define WATCHDOG_DISABLE
75#endif /* CONFIG_WATCHDOG */
76
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090077#if defined(CONFIG_CMD_IDE)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090078# include <ide.h>
79# define INIT_FUNC_IDE_INIT ide_init,
80#else
81# define INIT_FUNC_IDE_INIT
82#endif /* CONFIG_CMD_IDE */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090083
Yusuke Goda1a2334a2008-03-05 14:30:02 +090084#if defined(CONFIG_PCI)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090085#include <pci.h>
Yusuke Goda1a2334a2008-03-05 14:30:02 +090086static int sh_pci_init(void)
87{
88 pci_init();
89 return 0;
90}
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090091# define INIT_FUNC_PCI_INIT sh_pci_init,
92#else
93# define INIT_FUNC_PCI_INIT
Yusuke Goda1a2334a2008-03-05 14:30:02 +090094#endif /* CONFIG_PCI */
95
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090096static int sh_mem_env_init(void)
97{
Wolfgang Denk25ddd1f2010-10-26 14:34:52 +020098 mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
Peter Tysera483a162009-08-21 23:05:20 -050099 CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900100 env_relocate();
101 jumptable_init();
102 return 0;
103}
104
Nobuhiro Iwamatsu9e23fe02008-07-08 12:03:24 +0900105#if defined(CONFIG_CMD_NET)
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900106static int sh_net_init(void)
107{
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900108 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900109 return 0;
110}
Nobuhiro Iwamatsu9e23fe02008-07-08 12:03:24 +0900111#endif
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900112
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900113typedef int (init_fnc_t) (void);
114
115init_fnc_t *init_sequence[] =
116{
117 cpu_init, /* basic cpu dependent setup */
118 board_init, /* basic board dependent setup */
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900119 interrupt_init, /* set up exceptions */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900120 env_init, /* event init */
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900121 serial_init, /* SCIF init */
122 INIT_FUNC_WATCHDOG_INIT /* watchdog init */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900123 console_init_f,
124 display_options,
125 checkcpu,
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900126 checkboard, /* Check support board */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900127 dram_init, /* SDRAM init */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900128 timer_init, /* SuperH Timer (TCNT0 only) init */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900129 sh_mem_env_init,
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900130#ifndef CONFIG_SYS_NO_FLASH
131 sh_flash_init, /* Flash memory init*/
132#endif
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900133 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
134 INIT_FUNC_PCI_INIT /* PCI init */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200135 stdio_init,
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900136 console_init_r,
137 interrupt_init,
138#ifdef BOARD_LATE_INIT
139 board_late_init,
140#endif
141#if defined(CONFIG_CMD_NET)
142 sh_net_init, /* SH specific eth init */
143#endif
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900144 NULL /* Terminate this list */
145};
146
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900147void sh_generic_init(void)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900148{
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900149 bd_t *bd;
150 init_fnc_t **init_fnc_ptr;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900151
Wolfgang Denk25ddd1f2010-10-26 14:34:52 +0200152 memset(gd, 0, GENERATED_GBL_DATA_SIZE);
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900153
154 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
155
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900156 gd->bd = (bd_t *)(gd + 1); /* At end of global data */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900157 gd->baudrate = CONFIG_BAUDRATE;
158
159 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
160
161 bd = gd->bd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200162 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
163 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900164#ifndef CONFIG_SYS_NO_FLASH
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200165 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900166#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200167#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;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900170#endif
171 bd->bi_baudrate = CONFIG_BAUDRATE;
172
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900173 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
174 WATCHDOG_RESET();
175 if ((*init_fnc_ptr) () != 0)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900176 hang();
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900177 }
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900178
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900179#ifdef CONFIG_WATCHDOG
180 /* disable watchdog if environment is set */
181 {
182 char *s = getenv("watchdog");
183 if (s != NULL)
184 if (strncmp(s, "off", 3) == 0)
185 WATCHDOG_DISABLE();
186 }
187#endif /* CONFIG_WATCHDOG*/
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900188
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900189
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +0200190#ifdef CONFIG_BITBANGMII
191 bb_miiphy_init();
192#endif
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900193#if defined(CONFIG_CMD_NET)
194 {
195 char *s;
196 puts("Net: ");
197 eth_initialize(gd->bd);
198
199 s = getenv("bootfile");
200 if (s != NULL)
201 copy_filename(BootFile, s, sizeof(BootFile));
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900202 }
203#endif /* CONFIG_CMD_NET */
204
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900205 while (1) {
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900206 WATCHDOG_RESET();
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900207 main_loop();
208 }
209}
210
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900211/***********************************************************************/
212
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900213void hang(void)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900214{
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900215 puts("Board ERROR\n");
216 for (;;)
217 ;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900218}