[thirdparty/u-boot.git] / board / kontron / sl28 / common.c

// SPDX-License-Identifier: GPL-2.0+

#include <common.h>
#include <asm/global_data.h>
#include <asm/io.h>

#include "sl28.h"

DECLARE_GLOBAL_DATA_PTR;

u32 get_lpuart_clk(void)
{
	return gd->bus_clk / CONFIG_SYS_FSL_LPUART_CLK_DIV;
}

enum boot_source sl28_boot_source(void)
{
	u32 rcw_src = in_le32(DCFG_BASE + DCFG_PORSR1) & DCFG_PORSR1_RCW_SRC;

	switch (rcw_src) {
	case DCFG_PORSR1_RCW_SRC_SDHC1:
		return BOOT_SOURCE_SDHC;
	case DCFG_PORSR1_RCW_SRC_SDHC2:
		return BOOT_SOURCE_MMC;
	case DCFG_PORSR1_RCW_SRC_I2C:
		return BOOT_SOURCE_I2C;
	case DCFG_PORSR1_RCW_SRC_FSPI_NOR:
		return BOOT_SOURCE_SPI;
	default:
		debug("unknown bootsource (%08x)\n", rcw_src);
		return BOOT_SOURCE_UNKNOWN;
	}
}
Commit	Line	Data
9b3843f8 MW	1	// SPDX-License-Identifier: GPL-2.0+
9b3843f8 MW	2
d678a59d	3	#include <common.h>
9b3843f8	4	#include <asm/global_data.h>
67b5dab2 MW	5	#include <asm/io.h>
	6
	7	#include "sl28.h"
9b3843f8 MW	8
	9	DECLARE_GLOBAL_DATA_PTR;
	10
	11	u32 get_lpuart_clk(void)
	12	{
	13	return gd->bus_clk / CONFIG_SYS_FSL_LPUART_CLK_DIV;
	14	}
67b5dab2 MW	15
	16	enum boot_source sl28_boot_source(void)
	17	{
	18	u32 rcw_src = in_le32(DCFG_BASE + DCFG_PORSR1) & DCFG_PORSR1_RCW_SRC;
	19
	20	switch (rcw_src) {
	21	case DCFG_PORSR1_RCW_SRC_SDHC1:
	22	return BOOT_SOURCE_SDHC;
	23	case DCFG_PORSR1_RCW_SRC_SDHC2:
	24	return BOOT_SOURCE_MMC;
	25	case DCFG_PORSR1_RCW_SRC_I2C:
	26	return BOOT_SOURCE_I2C;
	27	case DCFG_PORSR1_RCW_SRC_FSPI_NOR:
	28	return BOOT_SOURCE_SPI;
	29	default:
	30	debug("unknown bootsource (%08x)\n", rcw_src);
	31	return BOOT_SOURCE_UNKNOWN;
	32	}
	33	}