mirror of
https://github.com/AsahiLinux/u-boot
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99ac6c769f
Move imx8 sci header file to include/firmware/imx, then we could use build macro to reuse some i.MX8 drivers for i.MX9, such as drivers/cpu/imx8_cpu.c. Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Stefano Babic <sbabic@denx.de>
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2018, 2021 NXP
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*
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*/
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#include <common.h>
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#include <dm.h>
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#include <image.h>
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#include <init.h>
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#include <log.h>
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#include <spl.h>
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#include <asm/global_data.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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#include <dm/lists.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <firmware/imx/sci/sci.h>
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#include <asm/arch/imx8-pins.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/sys_proto.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
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(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
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(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
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(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
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#define USDHC2_SD_PWR IMX_GPIO_NR(4, 19)
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static iomux_cfg_t usdhc2_sd_pwr[] = {
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SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(GPIO_PAD_CTRL),
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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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uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(imx8_scu), &dev);
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uclass_find_first_device(UCLASS_MISC, &dev);
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for (; dev; uclass_find_next_device(&dev)) {
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if (device_probe(dev))
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continue;
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}
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arch_cpu_init();
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board_early_init_f();
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timer_init();
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imx8_iomux_setup_multiple_pads(usdhc2_sd_pwr, ARRAY_SIZE(usdhc2_sd_pwr));
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gpio_direction_output(USDHC2_SD_PWR, 0);
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preloader_console_init();
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puts("Normal Boot\n");
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}
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void spl_board_prepare_for_boot(void)
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{
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imx8_power_off_pd_devices(NULL, 0);
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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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void board_init_f(ulong dummy)
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{
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/* Clear global data */
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memset((void *)gd, 0, sizeof(gd_t));
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/* Clear the BSS. */
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memset(__bss_start, 0, __bss_end - __bss_start);
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board_init_r(NULL, 0);
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}
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