*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/omap_common.h>
#include <asm/arch/omap.h>
#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <watchdog.h>
-/*
- * This is used to verify if the configuration header
- * was executed by rom code prior to control of transfer
- * to the bootloader. SPL is responsible for saving and
- * passing the boot_params pointer to the u-boot.
- */
-struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
+DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_SPL_BUILD
-/*
- * We use static variables because global data is not ready yet.
- * Initialized data is available in SPL right from the beginning.
- * We would not typically need to save these parameters in regular
- * U-Boot. This is needed only in SPL at the moment.
- */
-u32 omap_bootmode = MMCSD_MODE_FAT;
+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) (boot_params.omap_bootdevice);
+ return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
}
u32 spl_boot_mode(void)
{
- return omap_bootmode;
+ u32 val = gd->arch.omap_boot_params.omap_bootmode;
+
+ if (val == MMCSD_MODE_RAW)
+ return MMCSD_MODE_RAW;
+ else if (val == MMCSD_MODE_FAT)
+ return MMCSD_MODE_FAT;
+ else
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+ return MMCSD_MODE_EMMCBOOT;
+#else
+ return MMCSD_MODE_UNDEFINED;
+#endif
}
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
+#if defined(CONFIG_HW_WATCHDOG)
+ hw_watchdog_init();
+#endif
+#ifdef CONFIG_AM33XX
+ am33xx_spl_board_init();
+#endif
}
int board_mmc_init(bd_t *bis)
{
switch (spl_boot_device()) {
case BOOT_DEVICE_MMC1:
- omap_mmc_init(0, 0, 0);
+ omap_mmc_init(0, 0, 0, -1, -1);
break;
case BOOT_DEVICE_MMC2:
case BOOT_DEVICE_MMC2_2:
- omap_mmc_init(1, 0, 0);
+ 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