u-boot/board/engicam/stm32mp1/stm32mp1.c

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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
* Copyright (C) 2020 Engicam S.r.l.
* Copyright (C) 2020 Amarula Solutions(India)
* Author: Jagan Teki <jagan@amarulasolutions.com>
*/
#include <common.h>
#include <env.h>
#include <env_internal.h>
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <power/regulator.h>
int checkboard(void)
{
char *mode;
const char *fdt_compat;
int fdt_compat_len;
if (IS_ENABLED(CONFIG_TFABOOT))
mode = "trusted";
else
mode = "basic";
printf("Board: stm32mp1 in %s mode", mode);
fdt_compat = ofnode_get_property(ofnode_root(), "compatible",
&fdt_compat_len);
if (fdt_compat && fdt_compat_len)
printf(" (%s)", fdt_compat);
puts("\n");
return 0;
}
/* board dependent setup after realloc */
int board_init(void)
{
if (IS_ENABLED(CONFIG_DM_REGULATOR))
regulators_enable_boot_on(_DEBUG);
return 0;
}
int board_late_init(void)
{
return 0;
}
enum env_location env_get_location(enum env_operation op, int prio)
{
u32 bootmode = get_bootmode();
if (prio)
return ENVL_UNKNOWN;
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
case BOOT_FLASH_SD:
case BOOT_FLASH_EMMC:
if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC))
return ENVL_MMC;
else if (CONFIG_IS_ENABLED(ENV_IS_IN_EXT4))
return ENVL_EXT4;
else
return ENVL_NOWHERE;
case BOOT_FLASH_NAND:
case BOOT_FLASH_SPINAND:
if (CONFIG_IS_ENABLED(ENV_IS_IN_UBI))
return ENVL_UBI;
else
return ENVL_NOWHERE;
case BOOT_FLASH_NOR:
if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH))
return ENVL_SPI_FLASH;
else
return ENVL_NOWHERE;
default:
return ENVL_NOWHERE;
}
}
const char *env_ext4_get_intf(void)
{
u32 bootmode = get_bootmode();
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
case BOOT_FLASH_SD:
case BOOT_FLASH_EMMC:
return "mmc";
default:
return "";
}
}
const char *env_ext4_get_dev_part(void)
{
static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
u32 bootmode = get_bootmode();
return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
}
int mmc_get_env_dev(void)
{
u32 bootmode = get_bootmode();
return (bootmode & TAMP_BOOT_INSTANCE_MASK) - 1;
}
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
return 0;
}
#endif