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

/*
 * (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <debug_uart.h>
#include <spl.h>

#include <asm/io.h>
#include <asm/spl.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/ps7_init_gpl.h>

DECLARE_GLOBAL_DATA_PTR;

void board_init_f(ulong dummy)
{
	ps7_init();

	arch_cpu_init();
	/*
	 * The debug UART can be used from this point:
	 * debug_uart_init();
	 * printch('x');
	 */
}

#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void)
{
	preloader_console_init();
	board_init();
}
#endif

u32 spl_boot_device(void)
{
	u32 mode;

	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
#ifdef CONFIG_SPL_SPI_SUPPORT
	case ZYNQ_BM_QSPI:
		puts("qspi boot\n");
		mode = BOOT_DEVICE_SPI;
		break;
#endif
	case ZYNQ_BM_NAND:
		mode = BOOT_DEVICE_NAND;
		break;
	case ZYNQ_BM_NOR:
		mode = BOOT_DEVICE_NOR;
		break;
#ifdef CONFIG_SPL_MMC_SUPPORT
	case ZYNQ_BM_SD:
		puts("mmc boot\n");
		mode = BOOT_DEVICE_MMC1;
		break;
#endif
	case ZYNQ_BM_JTAG:
		mode = BOOT_DEVICE_RAM;
		break;
	default:
		puts("Unsupported boot mode selected\n");
		hang();
	}

	return mode;
}

#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
	/* boot linux */
	return 0;
}
#endif

void spl_board_prepare_for_boot(void)
{
	ps7_post_config();
	debug("SPL bye\n");
}

#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
	/* Just empty function now - can't decide what to choose */
	debug("%s: %s\n", __func__, name);

	return 0;
}
#endif
Commit	Line	Data
d7e269cf	1	/*
3e1b61de	2	* (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
d7e269cf MS	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6	#include <common.h>
c54c0a4c	7	#include <debug_uart.h>
d7e269cf MS	8	#include <spl.h>
	9
	10	#include <asm/io.h>
ae2ee77f	11	#include <asm/spl.h>
bd44758a	12	#include <asm/arch/hardware.h>
d7e269cf	13	#include <asm/arch/sys_proto.h>
f0b619ec	14	#include <asm/arch/ps7_init_gpl.h>
d7e269cf MS	15
	16	DECLARE_GLOBAL_DATA_PTR;
	17
	18	void board_init_f(ulong dummy)
	19	{
	20	ps7_init();
	21
d7e269cf	22	arch_cpu_init();
c54c0a4c SG	23	/*
	24	* The debug UART can be used from this point:
	25	* debug_uart_init();
	26	* printch('x');
	27	*/
d7e269cf MS	28	}
d7e269cf MS	29
1540fb72 MS	30	#ifdef CONFIG_SPL_BOARD_INIT
	31	void spl_board_init(void)
	32	{
5fa030b9	33	preloader_console_init();
1540fb72 MS	34	board_init();
	35	}
	36	#endif
	37
d7e269cf MS	38	u32 spl_boot_device(void)
	39	{
	40	u32 mode;
	41
	42	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
	43	#ifdef CONFIG_SPL_SPI_SUPPORT
	44	case ZYNQ_BM_QSPI:
	45	puts("qspi boot\n");
	46	mode = BOOT_DEVICE_SPI;
	47	break;
	48	#endif
63e3cea5 MS	49	case ZYNQ_BM_NAND:
	50	mode = BOOT_DEVICE_NAND;
	51	break;
	52	case ZYNQ_BM_NOR:
	53	mode = BOOT_DEVICE_NOR;
	54	break;
d7e269cf MS	55	#ifdef CONFIG_SPL_MMC_SUPPORT
	56	case ZYNQ_BM_SD:
	57	puts("mmc boot\n");
	58	mode = BOOT_DEVICE_MMC1;
	59	break;
	60	#endif
63e3cea5 MS	61	case ZYNQ_BM_JTAG:
	62	mode = BOOT_DEVICE_RAM;
	63	break;
d7e269cf MS	64	default:
	65	puts("Unsupported boot mode selected\n");
	66	hang();
	67	}
	68
	69	return mode;
	70	}
	71
d7e269cf MS	72	#ifdef CONFIG_SPL_OS_BOOT
	73	int spl_start_uboot(void)
	74	{
	75	/* boot linux */
	76	return 0;
	77	}
	78	#endif
66e6715c	79
f44e603f MS	80	void spl_board_prepare_for_boot(void)
	81	{
	82	ps7_post_config();
	83	debug("SPL bye\n");
	84	}
	85
9a23f458 MS	86	#ifdef CONFIG_SPL_LOAD_FIT
	87	int board_fit_config_name_match(const char *name)
	88	{
	89	/* Just empty function now - can't decide what to choose */
	90	debug("%s: %s\n", __func__, name);
	91
	92	return 0;
	93	}
	94	#endif