Merge patch series "vbe: Series part E"

Simon Glass <sjg@chromium.org> says:

This includes various patches towards implementing the VBE abrec
bootmeth in U-Boot. It mostly focuses on SPL tweaks and adjusting what
fatures are available in VPL.

Link: https://lore.kernel.org/r/20241207172412.1124558-1-sjg@chromium.org

3 files changed, 96 insertions, 14 deletions

diff --git a/boot/Kconfig b/boot/Kconfig
index 99dcedcc840..20935a269c6 100644
--- a/boot/Kconfig
+++ b/boot/Kconfig
@@ -163,6 +163,18 @@ config SPL_FIT
 	select SPL_HASH
 	select SPL_OF_LIBFDT
 
+config VPL_FIT
+	bool "Support Flattened Image Tree within VPL"
+	depends on VPL
+	select VPL_HASH
+	select VPL_OF_LIBFDT
+
+config TPL_FIT
+	bool "Support Flattened Image Tree within TPL"
+	depends on TPL
+	select TPL_HASH
+	select TPL_OF_LIBFDT
+
 config SPL_FIT_PRINT
 	bool "Support FIT printing within SPL"
 	depends on SPL_FIT
@@ -268,6 +280,28 @@ config SPL_LOAD_FIT_FULL
 	  particular it can handle selecting from multiple device tree
 	  and passing the correct one to U-Boot.
 
+config TPL_LOAD_FIT
+	bool "Enable TPL loading U-Boot as a FIT (basic fitImage features)"
+	depends on TPL
+	select TPL_FIT
+	help
+	  Normally with the SPL framework a legacy image is generated as part
+	  of the build. This contains U-Boot along with information as to
+	  where it should be loaded. This option instead enables generation
+	  of a FIT (Flat Image Tree) which provides more flexibility. In
+	  particular it can handle selecting from multiple device tree
+	  and passing the correct one to U-Boot.
+
+	  This path has the following limitations:
+
+	  1. "loadables" images, other than FDTs, which do not have a "load"
+	     property will not be loaded. This limitation also applies to FPGA
+	     images with the correct "compatible" string.
+	  2. For FPGA images, the supported "compatible" list is in the
+	     doc/uImage.FIT/source_file_format.txt.
+	  3. FDTs are only loaded for images with an "os" property of "u-boot".
+	     "linux" images are also supported with Falcon boot mode.
+
 config SPL_FIT_IMAGE_POST_PROCESS
 	bool "Enable post-processing of FIT artifacts after loading by the SPL"
 	depends on SPL_LOAD_FIT
@@ -292,6 +326,22 @@ config VPL_FIT
 	select VPL_HASH
 	select VPL_OF_LIBFDT
 
+config VPL_LOAD_FIT
+	bool "Enable VPL loading U-Boot as a FIT (basic fitImage features)"
+	select VPL_FIT
+	default y
+
+config VPL_LOAD_FIT_FULL
+	bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
+	select VPL_FIT
+	help
+	  Normally with the SPL framework a legacy image is generated as part
+	  of the build. This contains U-Boot along with information as to
+	  where it should be loaded. This option instead enables generation
+	  of a FIT (Flat Image Tree) which provides more flexibility. In
+	  particular it can handle selecting from multiple device tree
+	  and passing the correct one to U-Boot.
+
 config VPL_FIT_PRINT
 	bool "Support FIT printing within VPL"
 	depends on VPL_FIT
@@ -620,6 +670,15 @@ config VPL_BOOTMETH_VBE
 	  supports selection of various firmware components, selection of an OS to
 	  boot as well as updating these using fwupd.
 
+config TPL_BOOTMETH_VBE
+	bool "Bootdev support for Verified Boot for Embedded (TPL)"
+	depends on TPL
+	default y
+	help
+	  Enables support for VBE boot. This is a standard boot method which
+	  supports selection of various firmware components, seleciton of an OS to
+	  boot as well as updating these using fwupd.
+
 if BOOTMETH_VBE
 
 config BOOTMETH_VBE_REQUEST
@@ -645,6 +704,8 @@ config SPL_BOOTMETH_VBE_REQUEST
 config BOOTMETH_VBE_SIMPLE
 	bool "Bootdev support for VBE 'simple' method"
 	default y
+	imply SPL_CRC8 if SPL
+	imply VPL_CRC8 if VPL
 	help
 	  Enables support for VBE 'simple' boot. This allows updating a single
 	  firmware image in boot media such as MMC. It does not support any sort
@@ -698,7 +759,15 @@ config VPL_BOOTMETH_VBE_SIMPLE_FW
 	  This option enabled for VPL, since it is the phase where the SPL
 	  decision is made.
 
-endif # BOOTMETH_VBE
+config TPL_BOOTMETH_VBE_SIMPLE_FW
+	bool "Bootdev support for VBE 'simple' method firmware phase (TPL)"
+	depends on VPL
+	default y
+	help
+	  Enables support for the firmware parts of VBE 'simple' boot, in TPL.
+	  TPL loads a FIT containing the VPL binary and a suitable devicetree.
+
+endif # BOOTMETH_VBE_SIMPLE
 
 config EXPO
 	bool "Support for expos - groups of scenes displaying a UI"
diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c
index 64ec4fde493..2e61c853142 100644
--- a/boot/bootdev-uclass.c
+++ b/boot/bootdev-uclass.c
@@ -16,6 +16,7 @@
 #include <malloc.h>
 #include <part.h>
 #include <sort.h>
+#include <spl.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <dm/uclass-internal.h>
@@ -278,8 +279,13 @@ int bootdev_setup_for_sibling_blk(struct udevice *blk, const char *drv_name)
 	int ret, len;
 
 	len = bootdev_get_suffix_start(blk, ".blk");
-	snprintf(dev_name, sizeof(dev_name), "%.*s.%s", len, blk->name,
-		 "bootdev");
+	if (xpl_phase() < PHASE_BOARD_R) {
+		strlcpy(dev_name, blk->name, sizeof(dev_name) - 5);
+		strcat(dev_name, ".sib");
+	} else {
+		snprintf(dev_name, sizeof(dev_name), "%.*s.%s", len, blk->name,
+			 "bootdev");
+	}
 
 	parent = dev_get_parent(blk);
 	ret = device_find_child_by_name(parent, dev_name, &dev);
diff --git a/boot/image-fit.c b/boot/image-fit.c
index 7d56f0b5e6e..db7fb61bca9 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -1729,13 +1729,13 @@ int fit_conf_find_compat(const void *fit, const void *fdt)
 	images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
 	if (confs_noffset < 0 || images_noffset < 0) {
 		debug("Can't find configurations or images nodes.\n");
-		return -1;
+		return -EINVAL;
 	}
 
 	fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
 	if (!fdt_compat) {
 		debug("Fdt for comparison has no \"compatible\" property.\n");
-		return -1;
+		return -ENXIO;
 	}
 
 	/*
@@ -1812,7 +1812,7 @@ int fit_conf_find_compat(const void *fit, const void *fdt)
 	}
 	if (!best_match_offset) {
 		debug("No match found.\n");
-		return -1;
+		return -ENOENT;
 	}
 
 	return best_match_offset;
@@ -2095,17 +2095,18 @@ int fit_image_load(struct bootm_headers *images, ulong addr,
 		 * fit_conf_get_node() will try to find default config node
 		 */
 		bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
-		if (IS_ENABLED(CONFIG_FIT_BEST_MATCH) && !fit_uname_config) {
-			cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
-		} else {
-			cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
-		}
-		if (cfg_noffset < 0) {
+		ret = -ENXIO;
+		if (IS_ENABLED(CONFIG_FIT_BEST_MATCH) && !fit_uname_config)
+			ret = fit_conf_find_compat(fit, gd_fdt_blob());
+		if (ret < 0 && ret != -EINVAL)
+			ret = fit_conf_get_node(fit, fit_uname_config);
+		if (ret < 0) {
 			puts("Could not find configuration node\n");
 			bootstage_error(bootstage_id +
 					BOOTSTAGE_SUB_NO_UNIT_NAME);
 			return -ENOENT;
 		}
+		cfg_noffset = ret;
 
 		fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
 		printf("   Using '%s' configuration\n", fit_base_uname_config);
@@ -2225,6 +2226,7 @@ int fit_image_load(struct bootm_headers *images, ulong addr,
 	data = map_to_sysmem(buf);
 	load = data;
 	if (load_op == FIT_LOAD_IGNORED) {
+		log_debug("load_op: not loading\n");
 		/* Don't load */
 	} else if (fit_image_get_load(fit, noffset, &load)) {
 		if (load_op == FIT_LOAD_REQUIRED) {
@@ -2261,10 +2263,13 @@ int fit_image_load(struct bootm_headers *images, ulong addr,
 	/* Kernel images get decompressed later in bootm_load_os(). */
 	if (!fit_image_get_comp(fit, noffset, &comp) &&
 	    comp != IH_COMP_NONE &&
+	    load_op != FIT_LOAD_IGNORED &&
 	    !(image_type == IH_TYPE_KERNEL ||
 	      image_type == IH_TYPE_KERNEL_NOLOAD ||
 	      image_type == IH_TYPE_RAMDISK)) {
 		ulong max_decomp_len = len * 20;
+
+		log_debug("decompressing image\n");
 		if (load == data) {
 			loadbuf = malloc(max_decomp_len);
 			load = map_to_sysmem(loadbuf);
@@ -2279,6 +2284,7 @@ int fit_image_load(struct bootm_headers *images, ulong addr,
 		}
 		len = load_end - load;
 	} else if (load != data) {
+		log_debug("copying\n");
 		loadbuf = map_sysmem(load, len);
 		memcpy(loadbuf, buf, len);
 	}
@@ -2288,8 +2294,9 @@ int fit_image_load(struct bootm_headers *images, ulong addr,
 		     " please fix your .its file!\n");
 
 	/* verify that image data is a proper FDT blob */
-	if (image_type == IH_TYPE_FLATDT && fdt_check_header(loadbuf)) {
-		puts("Subimage data is not a FDT");
+	if (load_op != FIT_LOAD_IGNORED && image_type == IH_TYPE_FLATDT &&
+	    fdt_check_header(loadbuf)) {
+		puts("Subimage data is not a FDT\n");
 		return -ENOEXEC;
 	}