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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2021 Collabora Ltd.
*
*/
#include <hang.h>
#include <init.h>
#include <spl.h>
#include <asm/arch/clock.h>
#include <asm/arch/ddr.h>
#include <asm/arch/imx8mn_pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/gpio.h>
#include <dm/device.h>
#include <dm/uclass.h>
int spl_board_boot_device(enum boot_device boot_dev_spl)
{
return BOOT_DEVICE_BOOTROM;
}
void spl_dram_init(void)
{
ddr_init(&dram_timing);
}
void spl_board_init(void)
{
struct udevice *dev;
int ret;
debug("Normal Boot\n");
ret = uclass_get_device_by_name(UCLASS_CLK,
"clock-controller@30380000",
&dev);
if (ret < 0)
puts("Failed to find clock node. Check device tree\n");
}
#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
static const iomux_v3_cfg_t wdog_pads[] = {
IMX8MN_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
int board_early_init_f(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
init_uart_clk(3);
return 0;
}
void board_init_f(ulong dummy)
{
int ret;
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
arch_cpu_init();
board_early_init_f();
timer_init();
ret = spl_init();
if (ret) {
debug("spl_init() failed: %d\n", ret);
hang();
}
preloader_console_init();
/* DDR initialization */
spl_dram_init();
board_init_r(NULL, 0);
}
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