+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2012
* Texas Instruments, <www.ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SPL_H_
#define _SPL_H_
+#include <binman_sym.h>
+
/* Platform-specific defines */
#include <linux/compiler.h>
#include <asm/spl.h>
+#include <handoff.h>
/* Value in r0 indicates we booted from U-Boot */
#define UBOOT_NOT_LOADED_FROM_SPL 0x13578642
#define MMCSD_MODE_FS 2
#define MMCSD_MODE_EMMCBOOT 3
+/*
+ * u_boot_first_phase() - check if this is the first U-Boot phase
+ *
+ * U-Boot has up to three phases: TPL, SPL and U-Boot proper. Depending on the
+ * build flags we can determine whether the current build is for the first
+ * phase of U-Boot or not. If there is no SPL, then this is U-Boot proper. If
+ * there is SPL but no TPL, the the first phase is SPL. If there is TPL, then
+ * it is the first phase.
+ *
+ * @returns true if this is the first phase of U-Boot
+ *
+ */
+static inline bool u_boot_first_phase(void)
+{
+ if (IS_ENABLED(CONFIG_TPL)) {
+ if (IS_ENABLED(CONFIG_TPL_BUILD))
+ return true;
+ } else if (IS_ENABLED(CONFIG_SPL)) {
+ if (IS_ENABLED(CONFIG_SPL_BUILD))
+ return true;
+ } else {
+ return true;
+ }
+
+ return false;
+}
+
+/* A string name for SPL or TPL */
+#ifdef CONFIG_SPL_BUILD
+# ifdef CONFIG_TPL_BUILD
+# define SPL_TPL_NAME "TPL"
+# else
+# define SPL_TPL_NAME "SPL"
+# endif
+# define SPL_TPL_PROMPT SPL_TPL_NAME ": "
+#else
+# define SPL_TPL_NAME ""
+# define SPL_TPL_PROMPT ""
+#endif
+
struct spl_image_info {
const char *name;
u8 os;
- ulong load_addr;
- ulong entry_point;
+ uintptr_t load_addr;
+ uintptr_t entry_point;
+#if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
+ void *fdt_addr;
+#endif
+ u32 boot_device;
u32 size;
u32 flags;
void *arg;
+#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
+ ulong dcrc_data;
+ ulong dcrc_length;
+ ulong dcrc;
+#endif
};
/*
void *buf);
};
+/*
+ * We need to know the position of U-Boot in memory so we can jump to it. We
+ * allow any U-Boot binary to be used (u-boot.bin, u-boot-nodtb.bin,
+ * u-boot.img), hence the '_any'. These is no checking here that the correct
+ * image is found. For * example if u-boot.img is used we don't check that
+ * spl_parse_image_header() can parse a valid header.
+ */
+binman_sym_extern(ulong, u_boot_any, image_pos);
+
+/**
+ * spl_load_simple_fit_skip_processing() - Hook to allow skipping the FIT
+ * image processing during spl_load_simple_fit().
+ *
+ * Return true to skip FIT processing, false to preserve the full code flow
+ * of spl_load_simple_fit().
+ */
+bool spl_load_simple_fit_skip_processing(void);
+
/**
* spl_load_simple_fit() - Loads a fit image from a device.
* @spl_image: Image description to set up
struct spl_load_info *info, ulong sector, void *fdt);
#define SPL_COPY_PAYLOAD_ONLY 1
+#define SPL_FIT_FOUND 2
/* SPL common functions */
void preloader_console_init(void);
u32 spl_boot_device(void);
u32 spl_boot_mode(const u32 boot_device);
+int spl_boot_partition(const u32 boot_device);
void spl_set_bd(void);
/**
int spl_mmc_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev);
-void bl31_entry(void);
+/**
+ * spl_mmc_load() - Load an image file from MMC/SD media
+ *
+ * @param spl_image Image data filled in by loading process
+ * @param bootdev Describes which device to load from
+ * @param filename Name of file to load (in FS mode)
+ * @param raw_part Partition to load from (in RAW mode)
+ * @param raw_sect Sector to load from (in RAW mode)
+ *
+ * @return 0 on success, otherwise error code
+ */
+int spl_mmc_load(struct spl_image_info *spl_image,
+ struct spl_boot_device *bootdev,
+ const char *filename,
+ int raw_part,
+ unsigned long raw_sect);
+
+/**
+ * spl_invoke_atf - boot using an ARM trusted firmware image
+ */
+void spl_invoke_atf(struct spl_image_info *spl_image);
+
+/**
+ * spl_optee_entry - entry function for optee
+ *
+ * args defind in op-tee project
+ * https://github.com/OP-TEE/optee_os/
+ * core/arch/arm/kernel/generic_entry_a32.S
+ * @arg0: pagestore
+ * @arg1: (ARMv7 standard bootarg #1)
+ * @arg2: device tree address, (ARMv7 standard bootarg #2)
+ * @arg3: non-secure entry address (ARMv7 bootarg #0)
+ */
+void spl_optee_entry(void *arg0, void *arg1, void *arg2, void *arg3);
+
+/**
+ * spl_invoke_opensbi - boot using a RISC-V OpenSBI image
+ */
+void spl_invoke_opensbi(struct spl_image_info *spl_image);
/**
* board_return_to_bootrom - allow for boards to continue with the boot ROM
* can implement 'board_return_to_bootrom'.
*/
void board_return_to_bootrom(void);
+
+/**
+ * board_spl_fit_post_load - allow process images after loading finished
+ *
+ */
+void board_spl_fit_post_load(ulong load_addr, size_t length);
+
+/**
+ * board_spl_fit_size_align - specific size align before processing payload
+ *
+ */
+ulong board_spl_fit_size_align(ulong size);
+
+/**
+ * spl_perform_fixups() - arch/board-specific callback before processing
+ * the boot-payload
+ */
+void spl_perform_fixups(struct spl_image_info *spl_image);
+
+/*
+ * spl_get_load_buffer() - get buffer for loading partial image data
+ *
+ * Returns memory area which can be populated by partial image data,
+ * ie. uImage or fitImage header.
+ */
+struct image_header *spl_get_load_buffer(ssize_t offset, size_t size);
+
#endif
projects / J-u-boot.git / blobdiff