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

/*
 * Copyright (C) 2011
 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <config.h>
#include <spl.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>

DECLARE_GLOBAL_DATA_PTR;

#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 */

void spl_board_init(void)
{
#ifdef CONFIG_SOC_DM365
	dm36x_lowlevel_init(0);
#endif
#ifdef CONFIG_SOC_DA8XX
	arch_cpu_init();
#endif
	preloader_console_init();
}

u32 spl_boot_device(void)
{
	switch (davinci_syscfg_regs->bootcfg) {
#ifdef CONFIG_SPL_NAND_SUPPORT
	case DAVINCI_NAND8_BOOT:
	case DAVINCI_NAND16_BOOT:
		return BOOT_DEVICE_NAND;
#endif

#ifdef CONFIG_SPL_MMC_SUPPORT
	case DAVINCI_SD_OR_MMC_BOOT:
	case DAVINCI_MMC_ONLY_BOOT:
		return BOOT_DEVICE_MMC1;
#endif

#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
	case DAVINCI_SPI0_FLASH_BOOT:
	case DAVINCI_SPI1_FLASH_BOOT:
		return BOOT_DEVICE_SPI;
#endif

	default:
		puts("Unknown boot device\n");
		hang();
	}
}
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2011
	3	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7	#include <common.h>
	8	#include <config.h>
	9	#include <spl.h>
	10	#include <asm/u-boot.h>
	11	#include <asm/utils.h>
	12	#include <nand.h>
	13	#include <asm/arch/dm365_lowlevel.h>
	14	#include <ns16550.h>
	15	#include <malloc.h>
	16	#include <spi_flash.h>
	17	#include <mmc.h>
	18
	19	DECLARE_GLOBAL_DATA_PTR;
	20
	21	#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
	22	void puts(const char *str)
	23	{
	24	while (*str)
	25	putc(*str++);
	26	}
	27
	28	void putc(char c)
	29	{
	30	if (c == '\n')
	31	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
	32
	33	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
	34	}
	35	#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
	36
	37	void spl_board_init(void)
	38	{
	39	#ifdef CONFIG_SOC_DM365
	40	dm36x_lowlevel_init(0);
	41	#endif
	42	#ifdef CONFIG_SOC_DA8XX
	43	arch_cpu_init();
	44	#endif
	45	preloader_console_init();
	46	}
	47
	48	u32 spl_boot_device(void)
	49	{
	50	switch (davinci_syscfg_regs->bootcfg) {
	51	#ifdef CONFIG_SPL_NAND_SUPPORT
	52	case DAVINCI_NAND8_BOOT:
	53	case DAVINCI_NAND16_BOOT:
	54	return BOOT_DEVICE_NAND;
	55	#endif
	56
	57	#ifdef CONFIG_SPL_MMC_SUPPORT
	58	case DAVINCI_SD_OR_MMC_BOOT:
	59	case DAVINCI_MMC_ONLY_BOOT:
	60	return BOOT_DEVICE_MMC1;
	61	#endif
	62
	63	#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
	64	case DAVINCI_SPI0_FLASH_BOOT:
	65	case DAVINCI_SPI1_FLASH_BOOT:
	66	return BOOT_DEVICE_SPI;
	67	#endif
	68
	69	default:
	70	puts("Unknown boot device\n");
	71	hang();
	72	}
	73	}