4 * Common bootmode functions for omap based boards
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * SPDX-License-Identifier: GPL-2.0+
13 #include <asm/omap_common.h>
14 #include <asm/arch/omap.h>
15 #include <asm/arch/mmc_host_def.h>
16 #include <asm/arch/sys_proto.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 void save_omap_boot_params(void)
22 u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
24 u32 dev_desc, dev_data;
26 if ((rom_params < NON_SECURE_SRAM_START) ||
27 (rom_params > NON_SECURE_SRAM_END))
31 * rom_params can be type casted to omap_boot_parameters and
32 * used. But it not correct to assume that romcode structure
33 * encoding would be same as u-boot. So use the defined offsets.
35 gd->arch.omap_boot_params.omap_bootdevice = boot_device =
36 *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
38 gd->arch.omap_boot_params.ch_flags =
39 *((u8 *)(rom_params + CH_FLAGS_OFFSET));
41 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
42 (boot_device <= MMC_BOOT_DEVICES_END)) {
43 #if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX)
44 if ((omap_hw_init_context() ==
45 OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) {
46 gd->arch.omap_boot_params.omap_bootmode =
47 *((u8 *)(rom_params + BOOT_MODE_OFFSET));
51 dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET));
52 dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET));
53 gd->arch.omap_boot_params.omap_bootmode =
54 *((u32 *)(dev_data + BOOT_MODE_OFFSET));
59 #ifdef CONFIG_SPL_BUILD
60 u32 spl_boot_device(void)
62 return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
65 u32 spl_boot_mode(void)
67 return gd->arch.omap_boot_params.omap_bootmode;
70 void spl_board_init(void)
72 #ifdef CONFIG_SPL_NAND_SUPPORT
75 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
80 int board_mmc_init(bd_t *bis)
82 switch (spl_boot_device()) {
83 case BOOT_DEVICE_MMC1:
84 omap_mmc_init(0, 0, 0, -1, -1);
86 case BOOT_DEVICE_MMC2:
87 case BOOT_DEVICE_MMC2_2:
88 omap_mmc_init(1, 0, 0, -1, -1);
94 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
96 typedef void __noreturn (*image_entry_noargs_t)(u32 *);
97 image_entry_noargs_t image_entry =
98 (image_entry_noargs_t) spl_image->entry_point;
100 debug("image entry point: 0x%X\n", spl_image->entry_point);
101 /* Pass the saved boot_params from rom code */
102 image_entry((u32 *)&gd->arch.omap_boot_params);