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/*
* Copyright (C) 2007, 2008, 2010
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <version.h>
#include <watchdog.h>
#include <net.h>
#include <mmc.h>
#include <environment.h>
#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
extern int cpu_init(void);
extern int board_init(void);
extern int dram_init(void);
extern int timer_init(void);
unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
#ifndef CONFIG_SYS_NO_FLASH
static int sh_flash_init(void)
{
gd->bd->bi_flashsize = flash_init();
if (gd->bd->bi_flashsize >= (1024 * 1024))
printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
else
printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
return 0;
}
#endif /* CONFIG_SYS_NO_FLASH */
#if defined(CONFIG_CMD_NAND)
# include <nand.h>
# define INIT_FUNC_NAND_INIT nand_init,
#else
# define INIT_FUNC_NAND_INIT
#endif /* CONFIG_CMD_NAND */
#if defined(CONFIG_WATCHDOG)
extern int watchdog_init(void);
extern int watchdog_disable(void);
# undef INIT_FUNC_WATCHDOG_INIT
# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
# define WATCHDOG_DISABLE watchdog_disable
#else
# define INIT_FUNC_WATCHDOG_INIT
# define WATCHDOG_DISABLE
#endif /* CONFIG_WATCHDOG */
#if defined(CONFIG_CMD_IDE)
# include <ide.h>
# define INIT_FUNC_IDE_INIT ide_init,
#else
# define INIT_FUNC_IDE_INIT
#endif /* CONFIG_CMD_IDE */
#if defined(CONFIG_PCI)
#include <pci.h>
static int sh_pci_init(void)
{
pci_init();
return 0;
}
# define INIT_FUNC_PCI_INIT sh_pci_init,
#else
# define INIT_FUNC_PCI_INIT
#endif /* CONFIG_PCI */
static int sh_mem_env_init(void)
{
mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
env_relocate();
jumptable_init();
return 0;
}
#if defined(CONFIG_CMD_MMC)
static int sh_mmc_init(void)
{
puts("MMC: ");
mmc_initialize(gd->bd);
return 0;
}
#endif
typedef int (init_fnc_t) (void);
init_fnc_t *init_sequence[] =
{
cpu_init, /* basic cpu dependent setup */
board_init, /* basic board dependent setup */
interrupt_init, /* set up exceptions */
env_init, /* event init */
serial_init, /* SCIF init */
INIT_FUNC_WATCHDOG_INIT /* watchdog init */
console_init_f,
display_options,
checkcpu,
checkboard, /* Check support board */
dram_init, /* SDRAM init */
timer_init, /* SuperH Timer (TCNT0 only) init */
sh_mem_env_init,
#ifndef CONFIG_SYS_NO_FLASH
sh_flash_init, /* Flash memory init*/
#endif
INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
INIT_FUNC_PCI_INIT /* PCI init */
stdio_init,
console_init_r,
interrupt_init,
#ifdef CONFIG_BOARD_LATE_INIT
board_late_init,
#endif
#if defined(CONFIG_CMD_MMC)
sh_mmc_init,
#endif
NULL /* Terminate this list */
};
void sh_generic_init(void)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
memset(gd, 0, GENERATED_GBL_DATA_SIZE);
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
gd->bd = (bd_t *)(gd + 1); /* At end of global data */
gd->baudrate = CONFIG_BAUDRATE;
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
bd = gd->bd;
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_SYS_NO_FLASH
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
#endif
bd->bi_baudrate = CONFIG_BAUDRATE;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
WATCHDOG_RESET();
if ((*init_fnc_ptr) () != 0)
hang();
}
#ifdef CONFIG_WATCHDOG
/* disable watchdog if environment is set */
{
char *s = getenv("watchdog");
if (s != NULL)
if (strncmp(s, "off", 3) == 0)
WATCHDOG_DISABLE();
}
#endif /* CONFIG_WATCHDOG*/
#ifdef CONFIG_BITBANGMII
bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
puts("Net: ");
eth_initialize(gd->bd);
#endif /* CONFIG_CMD_NET */
while (1) {
WATCHDOG_RESET();
main_loop();
}
}
/***********************************************************************/
void hang(void)
{
puts("Board ERROR\n");
for (;;)
;
}
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