[people/ms/u-boot.git] / arch / arm / cpu / arm926ejs / davinci / spl.c

/*
 * 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>

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")));

#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT

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_SOC_DM365
	nand_init();
	puts("Nand boot...\n");
	nand_boot();
#endif
#ifdef CONFIG_SOC_DA8XX
	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;

	puts("SPI boot...\n");
	spi_boot();
#endif
}
Commit	Line	Data
435199f3 HS	1	/*
	2	* Copyright (C) 2011
	3	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23	#include <common.h>
	24	#include <asm/u-boot.h>
	25	#include <asm/utils.h>
	26	#include <nand.h>
	27	#include <asm/arch/dm365_lowlevel.h>
	28	#include <ns16550.h>
620fd27c CR	29	#include <malloc.h>
	30	#include <spi_flash.h>
	31
	32	DECLARE_GLOBAL_DATA_PTR;
	33
	34	/* Define global data structure pointer to it*/
	35	static gd_t gdata __attribute__ ((section(".data")));
	36	static bd_t bdata __attribute__ ((section(".data")));
	37
	38	#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
435199f3 HS	39
	40	void puts(const char *str)
	41	{
	42	while (*str)
	43	putc(*str++);
	44	}
	45
	46	void putc(char c)
	47	{
	48	if (c == '\n')
	49	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
	50
	51	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
	52	}
	53
620fd27c CR	54	#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
620fd27c CR	55
435199f3 HS	56	inline void hang(void)
	57	{
	58	puts("### ERROR ### Please RESET the board ###\n");
	59	for (;;)
	60	;
	61	}
	62
	63	void board_init_f(ulong dummy)
	64	{
620fd27c	65	#ifdef CONFIG_SOC_DM365
435199f3	66	dm36x_lowlevel_init(0);
620fd27c CR	67	#endif
	68	#ifdef CONFIG_SOC_DA8XX
	69	arch_cpu_init();
	70	#endif
435199f3 HS	71	relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE);
	72	}
	73
	74	void board_init_r(gd_t *id, ulong dummy)
	75	{
620fd27c	76	#ifdef CONFIG_SOC_DM365
435199f3 HS	77	nand_init();
	78	puts("Nand boot...\n");
	79	nand_boot();
620fd27c CR	80	#endif
	81	#ifdef CONFIG_SOC_DA8XX
	82	mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
	83	CONFIG_SYS_MALLOC_LEN);
	84
	85	gd = &gdata;
	86	gd->bd = &bdata;
	87	gd->flags \|= GD_FLG_RELOC;
	88	gd->baudrate = CONFIG_BAUDRATE;
	89	serial_init(); /* serial communications setup */
	90	gd->have_console = 1;
	91
	92	puts("SPI boot...\n");
	93	spi_boot();
	94	#endif
435199f3	95	}