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>
19 DECLARE_GLOBAL_DATA_PTR;
21 void save_omap_boot_params(void)
23 u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
25 u32 dev_desc, dev_data;
27 if ((rom_params < NON_SECURE_SRAM_START) ||
28 (rom_params > NON_SECURE_SRAM_END))
32 * rom_params can be type casted to omap_boot_parameters and
33 * used. But it not correct to assume that romcode structure
34 * encoding would be same as u-boot. So use the defined offsets.
36 gd->arch.omap_boot_params.omap_bootdevice = boot_device =
37 *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
39 gd->arch.omap_boot_params.ch_flags =
40 *((u8 *)(rom_params + CH_FLAGS_OFFSET));
42 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
43 (boot_device <= MMC_BOOT_DEVICES_END)) {
44 #if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) && \
45 !defined(CONFIG_AM43XX)
46 if ((omap_hw_init_context() ==
47 OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) {
48 gd->arch.omap_boot_params.omap_bootmode =
49 *((u8 *)(rom_params + BOOT_MODE_OFFSET));
53 dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET));
54 dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET));
55 gd->arch.omap_boot_params.omap_bootmode =
56 *((u32 *)(dev_data + BOOT_MODE_OFFSET));
61 #ifdef CONFIG_SPL_BUILD
62 u32 spl_boot_device(void)
64 return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
67 u32 spl_boot_mode(void)
69 u32 val = gd->arch.omap_boot_params.omap_bootmode;
71 if (val == MMCSD_MODE_RAW)
72 return MMCSD_MODE_RAW;
73 else if (val == MMCSD_MODE_FAT)
74 return MMCSD_MODE_FAT;
76 #ifdef CONFIG_SUPPORT_EMMC_BOOT
77 return MMCSD_MODE_EMMCBOOT;
79 return MMCSD_MODE_UNDEFINED;
83 void spl_board_init(void)
85 #ifdef CONFIG_SPL_NAND_SUPPORT
88 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
91 #if defined(CONFIG_HW_WATCHDOG)
95 am33xx_spl_board_init();
99 int board_mmc_init(bd_t *bis)
101 switch (spl_boot_device()) {
102 case BOOT_DEVICE_MMC1:
103 omap_mmc_init(0, 0, 0, -1, -1);
105 case BOOT_DEVICE_MMC2:
106 case BOOT_DEVICE_MMC2_2:
107 omap_mmc_init(1, 0, 0, -1, -1);
113 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
115 typedef void __noreturn (*image_entry_noargs_t)(u32 *);
116 image_entry_noargs_t image_entry =
117 (image_entry_noargs_t) spl_image->entry_point;
119 debug("image entry point: 0x%X\n", spl_image->entry_point);
120 /* Pass the saved boot_params from rom code */
121 image_entry((u32 *)&gd->arch.omap_boot_params);