}
enum u_boot_phase {
+ PHASE_NONE, /* Invalid phase, signifying before U-Boot */
PHASE_TPL, /* Running in TPL */
PHASE_SPL, /* Running in SPL */
PHASE_BOARD_F, /* Running in U-Boot before relocation */
#endif
}
+/**
+ * spl_prev_phase() - Figure out the previous U-Boot phase
+ *
+ * @return the previous phase from this one, e.g. if called in SPL this returns
+ * PHASE_TPL, if TPL is enabled
+ */
+static inline enum u_boot_phase spl_prev_phase(void)
+{
+#ifdef CONFIG_TPL_BUILD
+ return PHASE_NONE;
+#elif defined(CONFIG_SPL_BUILD)
+ return IS_ENABLED(CONFIG_TPL) ? PHASE_TPL : PHASE_NONE;
+#else
+ return IS_ENABLED(CONFIG_SPL) ? PHASE_SPL : PHASE_NONE;
+#endif
+}
+
+/**
+ * spl_next_phase() - Figure out the next U-Boot phase
+ *
+ * @return the next phase from this one, e.g. if called in TPL this returns
+ * PHASE_SPL
+ */
+static inline enum u_boot_phase spl_next_phase(void)
+{
+#ifdef CONFIG_TPL_BUILD
+ return PHASE_SPL;
+#else
+ return PHASE_BOARD_F;
+#endif
+}
+
+/**
+ * spl_phase_name() - Get the name of the current phase
+ *
+ * @return phase name
+ */
+static inline const char *spl_phase_name(enum u_boot_phase phase)
+{
+ switch (phase) {
+ case PHASE_TPL:
+ return "TPL";
+ case PHASE_SPL:
+ return "SPL";
+ case PHASE_BOARD_F:
+ case PHASE_BOARD_R:
+ return "U-Boot";
+ default:
+ return "phase?";
+ }
+}
+
/* A string name for SPL or TPL */
#ifdef CONFIG_SPL_BUILD
# ifdef CONFIG_TPL_BUILD
void *priv;
int bl_len;
const char *filename;
+ /**
+ * read() - Read from device
+ *
+ * @load: Information about the load state
+ * @sector: Sector number to read from (each @load->bl_len bytes)
+ * @count: Number of sectors to read
+ * @buf: Buffer to read into
+ * @return number of sectors read, 0 on error
+ */
ulong (*read)(struct spl_load_info *load, ulong sector, ulong count,
void *buf);
};
ulong spl_get_image_size(void);
/**
+ * spl_get_image_text_base() - get the text base of the next phase
+ *
+ * This returns the address that the next stage is linked to run at, i.e.
+ * CONFIG_SPL_TEXT_BASE or CONFIG_SYS_TEXT_BASE
+ *
+ * @return text-base address
+ */
+ulong spl_get_image_text_base(void);
+
+/**
* spl_load_simple_fit_skip_processing() - Hook to allow skipping the FIT
* image processing during spl_load_simple_fit().
*
void spl_invoke_atf(struct spl_image_info *spl_image);
/**
- * bl2_plat_get_bl31_params() - prepare params for bl31.
- * @bl32_entry address of BL32 executable (secure)
- * @bl33_entry address of BL33 executable (non secure)
- * @fdt_addr address of Flat Device Tree
+ * bl2_plat_get_bl31_params() - return params for bl31.
+ * @bl32_entry: address of BL32 executable (secure)
+ * @bl33_entry: address of BL33 executable (non secure)
+ * @fdt_addr: address of Flat Device Tree
+ *
+ * This is a weak function which might be overridden by the board code. By
+ * default it will just call bl2_plat_get_bl31_params_default().
*
- * This function assigns a pointer to the memory that the platform has kept
- * aside to pass platform specific and trusted firmware related information
- * to BL31. This memory is allocated by allocating memory to
- * bl2_to_bl31_params_mem structure which is a superset of all the
- * structure whose information is passed to BL31
- * NOTE: This function should be called only once and should be done
- * before generating params to BL31
+ * If you just want to manipulate or add some parameters, you can override
+ * this function, call bl2_plat_get_bl31_params_default and operate on the
+ * returned bl31 params.
*
- * @return bl31 params structure pointer
+ * Return: bl31 params structure pointer
*/
struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry,
uintptr_t bl33_entry,
uintptr_t fdt_addr);
/**
+ * bl2_plat_get_bl31_params_default() - prepare params for bl31.
+ * @bl32_entry: address of BL32 executable (secure)
+ * @bl33_entry: address of BL33 executable (non secure)
+ * @fdt_addr: address of Flat Device Tree
+ *
+ * This is the default implementation of bl2_plat_get_bl31_params(). It assigns
+ * a pointer to the memory that the platform has kept aside to pass platform
+ * specific and trusted firmware related information to BL31. This memory is
+ * allocated by allocating memory to bl2_to_bl31_params_mem structure which is
+ * a superset of all the structure whose information is passed to BL31
+ *
+ * NOTE: The memory is statically allocated, thus this function should be
+ * called only once. All subsequent calls will overwrite any changes.
+ *
+ * Return: bl31 params structure pointer
+ */
+struct bl31_params *bl2_plat_get_bl31_params_default(uintptr_t bl32_entry,
+ uintptr_t bl33_entry,
+ uintptr_t fdt_addr);
+
+/**
+ * bl2_plat_get_bl31_params_v2() - return params for bl31
+ * @bl32_entry: address of BL32 executable (secure)
+ * @bl33_entry: address of BL33 executable (non secure)
+ * @fdt_addr: address of Flat Device Tree
+ *
+ * This function does the same as bl2_plat_get_bl31_params() except that is is
+ * used for the new LOAD_IMAGE_V2 option, which uses a slightly different
+ * method to pass the parameters.
+ *
+ * Return: bl31 params structure pointer
+ */
+struct bl_params *bl2_plat_get_bl31_params_v2(uintptr_t bl32_entry,
+ uintptr_t bl33_entry,
+ uintptr_t fdt_addr);
+
+/**
+ * bl2_plat_get_bl31_params_v2_default() - prepare params for bl31.
+ * @bl32_entry: address of BL32 executable (secure)
+ * @bl33_entry: address of BL33 executable (non secure)
+ * @fdt_addr: address of Flat Device Tree
+ *
+ * This is the default implementation of bl2_plat_get_bl31_params_v2(). It
+ * prepares the linked list of the bl31 params, populates the image types and
+ * set the entry points for bl32 and bl33 (if available).
+ *
+ * NOTE: The memory is statically allocated, thus this function should be
+ * called only once. All subsequent calls will overwrite any changes.
+ *
+ * Return: bl31 params structure pointer
+ */
+struct bl_params *bl2_plat_get_bl31_params_v2_default(uintptr_t bl32_entry,
+ uintptr_t bl33_entry,
+ uintptr_t fdt_addr);
+/**
* spl_optee_entry - entry function for optee
*
* args defind in op-tee project
/**
* board_spl_fit_post_load - allow process images after loading finished
- *
+ * @fit: Pointer to a valid Flattened Image Tree blob
*/
-void board_spl_fit_post_load(ulong load_addr, size_t length);
+void board_spl_fit_post_load(const void *fit);
/**
* board_spl_fit_size_align - specific size align before processing payload