mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-22 02:49:44 +09:00
db41d65a97
At present panic() is in the vsprintf.h header file. That does not seem like an obvious choice for hang(), even though it relates to panic(). So let's put hang() in its own header. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Migrate a few more files] Signed-off-by: Tom Rini <trini@konsulko.com>
126 lines
2.3 KiB
C
126 lines
2.3 KiB
C
/*
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* Copyright 2018-2019 NXP
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <cpu_func.h>
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#include <hang.h>
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#include <spl.h>
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#include <asm/io.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx8mn_pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/mach-imx/boot_mode.h>
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#include <asm/arch/ddr.h>
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#include <dm/uclass.h>
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#include <dm/device.h>
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#include <dm/uclass-internal.h>
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#include <dm/device-internal.h>
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DECLARE_GLOBAL_DATA_PTR;
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int spl_board_boot_device(enum boot_device boot_dev_spl)
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{
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return BOOT_DEVICE_BOOTROM;
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}
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void spl_dram_init(void)
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{
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ddr_init(&dram_timing);
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}
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void spl_board_init(void)
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{
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struct udevice *dev;
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int ret;
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puts("Normal Boot\n");
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ret = uclass_get_device_by_name(UCLASS_CLK,
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"clock-controller@30380000",
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&dev);
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if (ret < 0)
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printf("Failed to find clock node. Check device tree\n");
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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/* Just empty function now - can't decide what to choose */
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debug("%s: %s\n", __func__, name);
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return 0;
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}
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#endif
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#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
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#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
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static iomux_v3_cfg_t const uart_pads[] = {
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IMX8MN_PAD_UART2_RXD__UART2_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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IMX8MN_PAD_UART2_TXD__UART2_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const wdog_pads[] = {
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IMX8MN_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
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};
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int board_early_init_f(void)
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{
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struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
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imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
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set_wdog_reset(wdog);
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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init_uart_clk(1);
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return 0;
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}
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void board_init_f(ulong dummy)
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{
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int ret;
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arch_cpu_init();
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init_uart_clk(1);
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board_early_init_f();
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timer_init();
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preloader_console_init();
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/* Clear the BSS. */
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memset(__bss_start, 0, __bss_end - __bss_start);
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ret = spl_init();
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if (ret) {
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debug("spl_init() failed: %d\n", ret);
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hang();
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}
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enable_tzc380();
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/* DDR initialization */
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spl_dram_init();
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board_init_r(NULL, 0);
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}
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int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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puts("resetting ...\n");
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reset_cpu(WDOG1_BASE_ADDR);
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return 0;
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}
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