diff options
Diffstat (limited to 'roms/u-boot/board/freescale/imx8qxp_mek/spl.c')
-rw-r--r-- | roms/u-boot/board/freescale/imx8qxp_mek/spl.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/imx8qxp_mek/spl.c b/roms/u-boot/board/freescale/imx8qxp_mek/spl.c new file mode 100644 index 000000000..ae6b64ff6 --- /dev/null +++ b/roms/u-boot/board/freescale/imx8qxp_mek/spl.c @@ -0,0 +1,87 @@ +/* + * Copyright 2018 NXP + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <image.h> +#include <init.h> +#include <log.h> +#include <spl.h> +#include <asm/global_data.h> +#include <dm/uclass.h> +#include <dm/device.h> +#include <dm/uclass-internal.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/imx8-pins.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define USDHC2_SD_PWR IMX_GPIO_NR(4, 19) +static iomux_cfg_t usdhc2_sd_pwr[] = { + SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(GPIO_PAD_CTRL), +}; + +void spl_board_init(void) +{ + struct udevice *dev; + + uclass_find_first_device(UCLASS_MISC, &dev); + + for (; dev; uclass_find_next_device(&dev)) { + if (device_probe(dev)) + continue; + } + + arch_cpu_init(); + + board_early_init_f(); + + timer_init(); + + imx8_iomux_setup_multiple_pads(usdhc2_sd_pwr, ARRAY_SIZE(usdhc2_sd_pwr)); + gpio_direction_output(USDHC2_SD_PWR, 0); + + preloader_console_init(); + + puts("Normal Boot\n"); +} + +void spl_board_prepare_for_boot(void) +{ + imx8_power_off_pd_devices(NULL, 0); +} + +#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 + +void board_init_f(ulong dummy) +{ + /* Clear global data */ + memset((void *)gd, 0, sizeof(gd_t)); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + board_init_r(NULL, 0); +} |