*
* 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 <ahci.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>
+#include <watchdog.h>
+#include <scsi.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.
+ */
+ boot_device = *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
+
+#if defined(BOOT_DEVICE_NAND_I2C)
+ /*
+ * Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
+ * Otherwise the SPL boot IF can't handle this device correctly.
+ * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
+ * Draco leads to this boot-device passed to SPL from the BootROM.
+ */
+ if (boot_device == BOOT_DEVICE_NAND_I2C)
+ boot_device = BOOT_DEVICE_NAND;
+#endif
+ gd->arch.omap_boot_params.omap_bootdevice = boot_device;
+
+ 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));
+ }
+ }
+
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+ /*
+ * We get different values for QSPI_1 and QSPI_4 being used, but
+ * don't actually care about this difference. Rather than
+ * mangle the later code, if we're coming in as QSPI_4 just
+ * change to the QSPI_1 value.
+ */
+ if (gd->arch.omap_boot_params.omap_bootdevice == 11)
+ gd->arch.omap_boot_params.omap_bootdevice = BOOT_DEVICE_SPI;
+#endif
+}
+
+#ifdef CONFIG_SPL_BUILD
u32 spl_boot_device(void)
{
- return (u32) (boot_params.omap_bootdevice);
+ return 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_FS)
+ return MMCSD_MODE_FS;
+ else
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+ return MMCSD_MODE_EMMCBOOT;
+#else
+ return MMCSD_MODE_UNDEFINED;
+#endif
}
void spl_board_init(void)
{
+ /*
+ * Save the boot parameters passed from romcode.
+ * We cannot delay the saving further than this,
+ * to prevent overwrites.
+ */
+ save_omap_boot_params();
+
+ /* Prepare console output */
+ preloader_console_init();
+
#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)
}
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
+
+#ifdef CONFIG_SCSI_AHCI_PLAT
+void arch_preboot_os(void)
+{
+ ahci_reset((void __iomem *)DWC_AHSATA_BASE);
+}
+#endif
+
+#if defined(CONFIG_USB_FUNCTION_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE)
+int fb_set_reboot_flag(void)
+{
+ printf("Setting reboot to fastboot flag ...\n");
+ setenv("dofastboot", "1");
+ saveenv();
+ return 0;
+}
#endif