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Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/omap-common/boot-common.c')
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/omap-common/boot-common.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/omap-common/boot-common.c b/roms/u-boot/arch/arm/cpu/armv7/omap-common/boot-common.c
new file mode 100644
index 00000000..30335647
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -0,0 +1,134 @@
+/*
+ * 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>
+#include <watchdog.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_DRA7XX
+ /*
+ * 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) (gd->arch.omap_boot_params.omap_bootdevice);
+}
+
+u32 spl_boot_mode(void)
+{
+ 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, -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