bootm: Add more fields to bootm_info

Add fields for the three bootm parameters and other things needed for
booting. Also add a helper to set up the struct correctly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/boot/bootm.c b/boot/bootm.c
index f1c45c3806..9e42fa5117 100644
--- a/boot/bootm.c
+++ b/boot/bootm.c
@@ -1192,6 +1192,14 @@ int bootm_boot_start(ulong addr, const char *cmdline)
 	return ret;
 }
 
+void bootm_init(struct bootm_info *bmi)
+{
+	memset(bmi, '\0', sizeof(struct bootm_info));
+	bmi->boot_progress = true;
+	if (IS_ENABLED(CONFIG_CMD_BOOTM))
+		bmi->images = &images;
+}
+
 /**
  * switch_to_non_secure_mode() - switch to non-secure mode
  *
diff --git a/include/bootm.h b/include/bootm.h
index 85c560d5a0..7cfaa0a7d0 100644
--- a/include/bootm.h
+++ b/include/bootm.h
@@ -19,17 +19,52 @@ struct cmd_tbl;
 /**
  * struct bootm_info() - information used when processing images to boot
  *
+ * These mirror the first three arguments of the bootm command. They are
+ * designed to handle any type of image, but typically it is a FIT.
+ *
+ * @addr_img: Address of image to bootm, as passed to
+ *	genimg_get_kernel_addr_fit() for processing:
+ *
+ *    NULL: Usees default load address, i.e. image_load_addr
+ *    <addr>: Uses hex address
+ *
+ * For FIT:
+ *    "[<addr>]#<conf>": Uses address (or image_load_addr) and also specifies
+ *	the FIT configuration to use
+ *    "[<addr>]:<subimage>": Uses address (or image_load_addr) and also
+ *	specifies the subimage name containing the OS
+ *
+ * @conf_ramdisk: Address (or with FIT, the name) of the ramdisk image, as
+ *	passed to boot_get_ramdisk() for processing, or NULL for none
+ * @conf_fdt: Address (or with FIT, the name) of the FDT image, as passed to
+ *	boot_get_fdt() for processing, or NULL for none
+ * @boot_progress: true to show boot progress
  * @images: images information
+ * @cmd_name: command which invoked this operation, e.g. "bootm"
  * @argc: Number of arguments to the command (excluding the actual command).
  *	This is 0 if there are no arguments
  * @argv: NULL-terminated list of arguments, or NULL if there are no arguments
  */
 struct bootm_info {
+	const char *addr_img;
+	const char *conf_ramdisk;
+	const char *conf_fdt;
+	bool boot_progress;
 	struct bootm_headers *images;
+	const char *cmd_name;
 	int argc;
 	char *const *argv;
 };
 
+/**
+ * bootm_init() - Set up a bootm_info struct with useful defaults
+ *
+ * Set up the struct with default values for all members:
+ * @boot_progress is set to true and @images is set to the global images
+ * variable. Everything else is set to NULL except @argc which is 0
+ */
+void bootm_init(struct bootm_info *bmi);
+
 /*
  *  Continue booting an OS image; caller already has:
  *  - copied image header to global variable `header'