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- /*
- * boot-common.c
- *
- * Common bootmode functions for omap based boards
- *
- * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <common.h>
- #include <spl.h>
- #include <asm/omap_common.h>
- #include <asm/arch/omap.h>
- #include <asm/arch/mmc_host_def.h>
- #include <asm/arch/sys_proto.h>
- DECLARE_GLOBAL_DATA_PTR;
- void save_omap_boot_params(void)
- {
- u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
- u8 boot_device;
- u32 dev_desc, dev_data;
- if ((rom_params < NON_SECURE_SRAM_START) ||
- (rom_params > NON_SECURE_SRAM_END))
- return;
- /*
- * rom_params can be type casted to omap_boot_parameters and
- * used. But it not correct to assume that romcode structure
- * encoding would be same as u-boot. So use the defined offsets.
- */
- gd->arch.omap_boot_params.omap_bootdevice = boot_device =
- *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
- gd->arch.omap_boot_params.ch_flags =
- *((u8 *)(rom_params + CH_FLAGS_OFFSET));
- if ((boot_device >= MMC_BOOT_DEVICES_START) &&
- (boot_device <= MMC_BOOT_DEVICES_END)) {
- #if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) && \
- !defined(CONFIG_AM43XX)
- if ((omap_hw_init_context() ==
- OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) {
- gd->arch.omap_boot_params.omap_bootmode =
- *((u8 *)(rom_params + BOOT_MODE_OFFSET));
- } else
- #endif
- {
- dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET));
- dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET));
- gd->arch.omap_boot_params.omap_bootmode =
- *((u32 *)(dev_data + BOOT_MODE_OFFSET));
- }
- }
- }
- #ifdef CONFIG_SPL_BUILD
- u32 spl_boot_device(void)
- {
- return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
- }
- u32 spl_boot_mode(void)
- {
- return gd->arch.omap_boot_params.omap_bootmode;
- }
- void spl_board_init(void)
- {
- #ifdef CONFIG_SPL_NAND_SUPPORT
- gpmc_init();
- #endif
- #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
- arch_misc_init();
- #endif
- }
- int board_mmc_init(bd_t *bis)
- {
- switch (spl_boot_device()) {
- case BOOT_DEVICE_MMC1:
- omap_mmc_init(0, 0, 0, -1, -1);
- break;
- case BOOT_DEVICE_MMC2:
- case BOOT_DEVICE_MMC2_2:
- omap_mmc_init(1, 0, 0, -1, -1);
- break;
- }
- return 0;
- }
- void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
- {
- typedef void __noreturn (*image_entry_noargs_t)(u32 *);
- image_entry_noargs_t image_entry =
- (image_entry_noargs_t) spl_image->entry_point;
- debug("image entry point: 0x%X\n", spl_image->entry_point);
- /* Pass the saved boot_params from rom code */
- image_entry((u32 *)&gd->arch.omap_boot_params);
- }
- #endif
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