mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 09:27:35 +00:00
d239d9d946
Support pinctrl/clk/sdhc, include ddr4 timing data. Log: U-Boot SPL 2019.10-rc3-00356-g497c500423-dirty (Sep 16 2019 - 10:54:58 +0800) Normal Boot Trying to boot from BOOTROM image offset 0x8000, pagesize 0x200, ivt offset 0x0 U-Boot 2019.10-rc3-00356-g497c500423-dirty (Sep 16 2019 - 10:54:58 +0800) CPU: Freescale i.MX8MNano rev1.0 at 24 MHz Reset cause: POR Model: NXP i.MX8MNano DDR4 EVK board DRAM: 2 GiB MMC: FSL_SDHC: 1, FSL_SDHC: 2 Loading Environment from MMC... *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: No ethernet found. Hit any key to stop autoboot: 0 Signed-off-by: Peng Fan <peng.fan@nxp.com>
123 lines
2.3 KiB
C
123 lines
2.3 KiB
C
/*
|
|
* Copyright 2018-2019 NXP
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spl.h>
|
|
#include <asm/io.h>
|
|
#include <asm/mach-imx/iomux-v3.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/imx8mn_pins.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/mach-imx/boot_mode.h>
|
|
#include <asm/arch/ddr.h>
|
|
|
|
#include <dm/uclass.h>
|
|
#include <dm/device.h>
|
|
#include <dm/uclass-internal.h>
|
|
#include <dm/device-internal.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
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;
|
|
|
|
puts("Normal Boot\n");
|
|
|
|
ret = uclass_get_device_by_name(UCLASS_CLK,
|
|
"clock-controller@30380000",
|
|
&dev);
|
|
if (ret < 0)
|
|
printf("Failed to find clock node. Check device tree\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
|
|
|
|
#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
|
|
#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
|
|
|
|
static iomux_v3_cfg_t const uart_pads[] = {
|
|
IMX8MN_PAD_UART2_RXD__UART2_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
IMX8MN_PAD_UART2_TXD__UART2_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const 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);
|
|
|
|
imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
|
|
|
|
init_uart_clk(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void board_init_f(ulong dummy)
|
|
{
|
|
int ret;
|
|
|
|
arch_cpu_init();
|
|
|
|
init_uart_clk(1);
|
|
|
|
board_early_init_f();
|
|
|
|
timer_init();
|
|
|
|
preloader_console_init();
|
|
|
|
/* Clear the BSS. */
|
|
memset(__bss_start, 0, __bss_end - __bss_start);
|
|
|
|
ret = spl_init();
|
|
if (ret) {
|
|
debug("spl_init() failed: %d\n", ret);
|
|
hang();
|
|
}
|
|
|
|
enable_tzc380();
|
|
|
|
/* DDR initialization */
|
|
spl_dram_init();
|
|
|
|
board_init_r(NULL, 0);
|
|
}
|
|
|
|
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
puts("resetting ...\n");
|
|
|
|
reset_cpu(WDOG1_BASE_ADDR);
|
|
|
|
return 0;
|
|
}
|