u-boot/arch/arm/cpu/arm926ejs/davinci/spl.c

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/*
* Copyright (C) 2011
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 <asm/u-boot.h>
#include <asm/utils.h>
#include <nand.h>
#include <asm/arch/dm365_lowlevel.h>
#include <ns16550.h>
#include <malloc.h>
#include <spi_flash.h>
#include <mmc.h>
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
DECLARE_GLOBAL_DATA_PTR;
/* Define global data structure pointer to it*/
static gd_t gdata __attribute__ ((section(".data")));
static bd_t bdata __attribute__ ((section(".data")));
#else
void puts(const char *str)
{
while (*str)
putc(*str++);
}
void putc(char c)
{
if (c == '\n')
NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
}
#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
inline void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}
void board_init_f(ulong dummy)
{
#ifdef CONFIG_SOC_DM365
dm36x_lowlevel_init(0);
#endif
#ifdef CONFIG_SOC_DA8XX
arch_cpu_init();
#endif
relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE);
}
void board_init_r(gd_t *id, ulong dummy)
{
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
CONFIG_SYS_MALLOC_LEN);
gd = &gdata;
gd->bd = &bdata;
gd->flags |= GD_FLG_RELOC;
gd->baudrate = CONFIG_BAUDRATE;
serial_init(); /* serial communications setup */
gd->have_console = 1;
#endif
#ifdef CONFIG_SPL_NAND_LOAD
nand_init();
puts("Nand boot...\n");
nand_boot();
#endif
#ifdef CONFIG_SPL_SPI_LOAD
puts("SPI boot...\n");
spi_boot();
#endif
#ifdef CONFIG_SPL_MMC_LOAD
puts("MMC boot...\n");
spl_mmc_load();
#endif
}