lib: remove assets infrastructure

Now that only CBFS access is supported for finding resources
within the boot media the assets infrastructure can be removed.
Remove it.

BUG=chromium:445938
BRANCH=None
TEST=Built and ran on glados.

Change-Id: I383fd6579280cf9cfe5a18c2851baf74cad004e9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12690
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

2 files changed, 27 insertions, 101 deletions

diff --git a/src/include/assets.h b/src/include/assets.h
deleted file mode 100644
index ac168a9965..0000000000
--- a/src/include/assets.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2015 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#ifndef ASSETS_H
-#define ASSETS_H
-
-#include <commonlib/region.h>
-
-/* An asset represents data used to boot the system. It can be found within
- * CBFS or some other mechanism. While CBFS can be a source of an asset, note
- * that using the asset API implies querying of other sources. */
-
-enum asset_type {
-	ASSET_UNKNOWN,
-	ASSET_VERSTAGE,
-	ASSET_ROMSTAGE,
-	ASSET_RAMSTAGE,
-	ASSET_REFCODE,
-	ASSET_PAYLOAD,
-	ASSET_BL31,
-	ASSET_BL32,
-};
-
-struct asset {
-	enum asset_type type;
-	const char *name;
-	struct region_device rdev;
-};
-
-static inline const char *asset_name(const struct asset *asset)
-{
-	return asset->name;
-}
-
-static inline enum asset_type asset_type(const struct asset *asset)
-{
-	return asset->type;
-}
-
-static struct region_device *asset_rdev(struct asset *asset)
-{
-	return &asset->rdev;
-}
-
-static inline size_t asset_size(const struct asset *asset)
-{
-	return region_device_sz(&asset->rdev);
-}
-
-/* Returns NULL on error. */
-static inline void *asset_mmap(const struct asset *asset)
-{
-	return rdev_mmap_full(&asset->rdev);
-}
-
-#define ASSET_INIT(type_, name_)	\
-	{				\
-		.type = (type_),	\
-		.name = (name_),	\
-	}
-
-/* Locate the asset as described by the parameter. It will query all known
- * asset providers. Returns 0 on success. < 0 on error. */
-int asset_locate(struct asset *asset);
-
-struct asset_provider {
-	const char *name;
-	/* Determines if the provider is the active one. If so returns 1 else 0
-	 * or < 0 on error. */
-	int (*is_active)(struct asset *asset);
-	/* Returns < 0 on error or 0 on success. This function locates
-	 * the rdev representing the file data associated with the passed in
-	 * prog. */
-	int (*locate)(struct asset *asset);
-};
-
-#endif /* ASSETS_H */
diff --git a/src/include/program_loading.h b/src/include/program_loading.h
index 4385e3602e..f71dcb79e5 100644
--- a/src/include/program_loading.h
+++ b/src/include/program_loading.h
@@ -16,9 +16,9 @@
 #ifndef PROGRAM_LOADING_H
 #define PROGRAM_LOADING_H
 
+#include <commonlib/region.h>
 #include <stdint.h>
 #include <stddef.h>
-#include <assets.h>
 
 enum {
 	/* Last segment of program. Can be used to take different actions for
@@ -26,17 +26,30 @@ enum {
 	SEG_FINAL = 1 << 0,
 };
 
+enum prog_type {
+	PROG_UNKNOWN,
+	PROG_VERSTAGE,
+	PROG_ROMSTAGE,
+	PROG_RAMSTAGE,
+	PROG_REFCODE,
+	PROG_PAYLOAD,
+	PROG_BL31,
+	PROG_BL32,
+};
+
 /* Called for each segment of a program loaded. The SEG_FINAL flag will be
  * set on the last segment loaded. */
 void arch_segment_loaded(uintptr_t start, size_t size, int flags);
 
 /* Representation of a program. */
 struct prog {
-	/* The region_device within the asset is the source of program content
-	 * to load. After loading program it represents the memory region of
-	 * the stages and payload. For architectures that use a bounce buffer
+	/* The region_device is the source of program content to load. After
+	 * loading program it represents the memory region of the stages and
+	 * payload. For architectures that use a bounce buffer
 	 * then it would represent the bounce buffer. */
-	struct asset asset;
+	enum prog_type type;
+	const char *name;
+	struct region_device rdev;
 	/* Entry to program with optional argument. It's up to the architecture
 	 * to decide if argument is passed. */
 	void (*entry)(void *);
@@ -45,34 +58,35 @@ struct prog {
 
 #define PROG_INIT(type_, name_)				\
 	{						\
-		.asset = ASSET_INIT(type_, name_),	\
+		.type = (type_),			\
+		.name = (name_),			\
 	}
 
 static inline const char *prog_name(const struct prog *prog)
 {
-	return asset_name(&prog->asset);
+	return prog->name;
 }
 
-static inline enum asset_type prog_type(const struct prog *prog)
+static inline enum prog_type prog_type(const struct prog *prog)
 {
-	return asset_type(&prog->asset);
+	return prog->type;
 }
 
 static inline struct region_device *prog_rdev(struct prog *prog)
 {
-	return asset_rdev(&prog->asset);
+	return &prog->rdev;
 }
 
 /* Only valid for loaded programs. */
 static inline size_t prog_size(const struct prog *prog)
 {
-	return asset_size(&prog->asset);
+	return region_device_sz(&prog->rdev);
 }
 
 /* Only valid for loaded programs. */
 static inline void *prog_start(const struct prog *prog)
 {
-	return asset_mmap(&prog->asset);
+	return rdev_mmap_full(&prog->rdev);
 }
 
 static inline void *prog_entry(const struct prog *prog)
@@ -91,7 +105,7 @@ extern const struct mem_region_device addrspace_32bit;
 static inline void prog_memory_init(struct prog *prog, uintptr_t ptr,
 					size_t size)
 {
-	rdev_chain(&prog->asset.rdev, &addrspace_32bit.rdev, ptr, size);
+	rdev_chain(&prog->rdev, &addrspace_32bit.rdev, ptr, size);
 }
 
 static inline void prog_set_area(struct prog *prog, void *start, size_t size)