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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>
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090025#include <version.h>
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090026#include <watchdog.h>
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090027#include <net.h>
28#include <environment.h>
29
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020030#ifdef CONFIG_BITBANGMII
31#include <miiphy.h>
32#endif
33
John Rigby29565322010-12-20 18:27:51 -070034DECLARE_GLOBAL_DATA_PTR;
35
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090036extern int cpu_init(void);
37extern int board_init(void);
38extern int dram_init(void);
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090039extern int timer_init(void);
40
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020041unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +090042
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +090043#ifndef CONFIG_SYS_NO_FLASH
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090044static int sh_flash_init(void)
45{
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090046 gd->bd->bi_flashsize = flash_init();
Nobuhiro Iwamatsuc4176c42010-10-26 20:23:53 +090047
48 if (gd->bd->bi_flashsize >= (1024 * 1024))
Peter Tysereddf52b2010-12-28 18:12:05 -060049 printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
Nobuhiro Iwamatsuc4176c42010-10-26 20:23:53 +090050 else
Peter Tysereddf52b2010-12-28 18:12:05 -060051 printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090052
53 return 0;
54}
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +090055#endif /* CONFIG_SYS_NO_FLASH */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090056
57#if defined(CONFIG_CMD_NAND)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090058# include <nand.h>
59# define INIT_FUNC_NAND_INIT nand_init,
60#else
61# define INIT_FUNC_NAND_INIT
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090062#endif /* CONFIG_CMD_NAND */
63
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090064#if defined(CONFIG_WATCHDOG)
65extern int watchdog_init(void);
66extern int watchdog_disable(void);
67# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
68# define WATCHDOG_DISABLE watchdog_disable
69#else
70# define INIT_FUNC_WATCHDOG_INIT
71# define WATCHDOG_DISABLE
72#endif /* CONFIG_WATCHDOG */
73
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090074#if defined(CONFIG_CMD_IDE)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090075# include <ide.h>
76# define INIT_FUNC_IDE_INIT ide_init,
77#else
78# define INIT_FUNC_IDE_INIT
79#endif /* CONFIG_CMD_IDE */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090080
Yusuke Goda1a2334a2008-03-05 14:30:02 +090081#if defined(CONFIG_PCI)
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090082#include <pci.h>
Yusuke Goda1a2334a2008-03-05 14:30:02 +090083static int sh_pci_init(void)
84{
85 pci_init();
86 return 0;
87}
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +090088# define INIT_FUNC_PCI_INIT sh_pci_init,
89#else
90# define INIT_FUNC_PCI_INIT
Yusuke Goda1a2334a2008-03-05 14:30:02 +090091#endif /* CONFIG_PCI */
92
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090093static int sh_mem_env_init(void)
94{
Wolfgang Denk25ddd1f2010-10-26 14:34:52 +020095 mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
Peter Tysera483a162009-08-21 23:05:20 -050096 CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +090097 env_relocate();
98 jumptable_init();
99 return 0;
100}
101
Nobuhiro Iwamatsu9e23fe02008-07-08 12:03:24 +0900102#if defined(CONFIG_CMD_NET)
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900103static int sh_net_init(void)
104{
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900105 gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900106 return 0;
107}
Nobuhiro Iwamatsu9e23fe02008-07-08 12:03:24 +0900108#endif
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900109
Yoshihiro Shimodafe0ddff2011-07-05 17:18:38 +0900110#if defined(CONFIG_CMD_MMC)
111static int sh_mmc_init(void)
112{
113 puts("MMC: ");
114 mmc_initialize(gd->bd);
115 return 0;
116}
117#endif
118
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900119typedef int (init_fnc_t) (void);
120
121init_fnc_t *init_sequence[] =
122{
123 cpu_init, /* basic cpu dependent setup */
124 board_init, /* basic board dependent setup */
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900125 interrupt_init, /* set up exceptions */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900126 env_init, /* event init */
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900127 serial_init, /* SCIF init */
128 INIT_FUNC_WATCHDOG_INIT /* watchdog init */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900129 console_init_f,
130 display_options,
131 checkcpu,
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900132 checkboard, /* Check support board */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900133 dram_init, /* SDRAM init */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900134 timer_init, /* SuperH Timer (TCNT0 only) init */
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900135 sh_mem_env_init,
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900136#ifndef CONFIG_SYS_NO_FLASH
137 sh_flash_init, /* Flash memory init*/
138#endif
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900139 INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
140 INIT_FUNC_PCI_INIT /* PCI init */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200141 stdio_init,
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900142 console_init_r,
143 interrupt_init,
Helmut Raiger9660e442011-10-20 04:19:47 +0000144#ifdef CONFIG_BOARD_LATE_INIT
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900145 board_late_init,
146#endif
147#if defined(CONFIG_CMD_NET)
148 sh_net_init, /* SH specific eth init */
149#endif
Yoshihiro Shimodafe0ddff2011-07-05 17:18:38 +0900150#if defined(CONFIG_CMD_MMC)
151 sh_mmc_init,
152#endif
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900153 NULL /* Terminate this list */
154};
155
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900156void sh_generic_init(void)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900157{
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900158 bd_t *bd;
159 init_fnc_t **init_fnc_ptr;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900160
Wolfgang Denk25ddd1f2010-10-26 14:34:52 +0200161 memset(gd, 0, GENERATED_GBL_DATA_SIZE);
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900162
163 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
164
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900165 gd->bd = (bd_t *)(gd + 1); /* At end of global data */
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900166 gd->baudrate = CONFIG_BAUDRATE;
167
168 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
169
170 bd = gd->bd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200171 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
172 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900173#ifndef CONFIG_SYS_NO_FLASH
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200174 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
Nobuhiro Iwamatsu40c47702011-03-07 11:21:40 +0900175#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200176#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
177 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
178 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900179#endif
180 bd->bi_baudrate = CONFIG_BAUDRATE;
181
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900182 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
183 WATCHDOG_RESET();
184 if ((*init_fnc_ptr) () != 0)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900185 hang();
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900186 }
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900187
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900188#ifdef CONFIG_WATCHDOG
189 /* disable watchdog if environment is set */
190 {
191 char *s = getenv("watchdog");
192 if (s != NULL)
193 if (strncmp(s, "off", 3) == 0)
194 WATCHDOG_DISABLE();
195 }
196#endif /* CONFIG_WATCHDOG*/
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900197
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900198
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +0200199#ifdef CONFIG_BITBANGMII
200 bb_miiphy_init();
201#endif
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900202#if defined(CONFIG_CMD_NET)
203 {
204 char *s;
205 puts("Net: ");
206 eth_initialize(gd->bd);
207
208 s = getenv("bootfile");
209 if (s != NULL)
210 copy_filename(BootFile, s, sizeof(BootFile));
Nobuhiro Iwamatsub02bad12007-09-23 02:12:30 +0900211 }
212#endif /* CONFIG_CMD_NET */
213
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900214 while (1) {
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900215 WATCHDOG_RESET();
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900216 main_loop();
217 }
218}
219
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900220/***********************************************************************/
221
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900222void hang(void)
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900223{
Nobuhiro Iwamatsu4a065ab2008-09-18 19:04:26 +0900224 puts("Board ERROR\n");
225 for (;;)
226 ;
Nobuhiro Iwamatsu0b135cf2007-05-13 20:58:00 +0900227}