Merge branch '2021-10-08-image-cleanups'

- A large number of image file and tooling related cleanups

51 files changed, 2332 insertions, 1509 deletions

diff --git a/arch/arc/lib/bootm.c b/arch/arc/lib/bootm.c
index 41408c2..ed6c5df 100644
--- a/arch/arc/lib/bootm.c
+++ b/arch/arc/lib/bootm.c
@@ -63,7 +63,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 	       "(fake run for tracing)" : "");
 	bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
 
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 		r0 = 2;
 		r2 = (unsigned int)images->ft_addr;
 	} else {
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index dd6a693..a59a5e6 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -199,7 +199,7 @@ static void boot_prep_linux(bootm_headers_t *images)
 {
 	char *commandline = env_get("bootargs");
 
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 #ifdef CONFIG_OF_LIBFDT
 		debug("using: FDT\n");
 		if (image_setup_linux(images)) {
@@ -356,7 +356,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
 	announce_and_cleanup(fake);
 
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len)
 		r2 = (unsigned long)images->ft_addr;
 	else
 		r2 = gd->bd->bi_boot_params;
diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index cc39e6b..55317ab 100644
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -591,7 +591,7 @@ static ulong get_image_ivt_offset(ulong img_addr)
 		return (image_get_image_size((image_header_t *)img_addr)
 			+ 0x1000 - 1)  & ~(0x1000 - 1);
 #endif
-#if IMAGE_ENABLE_FIT
+#if CONFIG_IS_ENABLED(FIT)
 	case IMAGE_FORMAT_FIT:
 		return (fit_get_size(buf) + 0x1000 - 1)  & ~(0x1000 - 1);
 #endif
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 3a6da6e..12ea324 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -75,7 +75,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 
 static void boot_prep_linux(bootm_headers_t *images)
 {
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 		debug("using: FDT\n");
 		if (image_setup_linux(images)) {
 			printf("FDT creation failed! hanging...");
diff --git a/arch/nds32/lib/bootm.c b/arch/nds32/lib/bootm.c
index 1c7f785..71ebfb4 100644
--- a/arch/nds32/lib/bootm.c
+++ b/arch/nds32/lib/bootm.c
@@ -69,7 +69,7 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	debug("## Transferring control to Linux (at address %08lx) ...\n",
 	       (ulong)theKernel);
 
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 #ifdef CONFIG_OF_LIBFDT
 		debug("using: FDT\n");
 		if (image_setup_linux(images)) {
@@ -110,7 +110,7 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 #endif
 	}
 	cleanup_before_linux();
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len)
 		theKernel(0, machid, (unsigned long)images->ft_addr);
 	else
 		theKernel(0, machid, bd->bi_boot_params);
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c
index ff1bdf7..2e1e286 100644
--- a/arch/riscv/lib/bootm.c
+++ b/arch/riscv/lib/bootm.c
@@ -64,7 +64,7 @@ static void announce_and_cleanup(int fake)
 
 static void boot_prep_linux(bootm_headers_t *images)
 {
-	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 #ifdef CONFIG_OF_LIBFDT
 		debug("using: FDT\n");
 		if (image_setup_linux(images)) {
@@ -96,7 +96,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 	announce_and_cleanup(fake);
 
 	if (!fake) {
-		if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
+		if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
 #ifdef CONFIG_SMP
 			ret = smp_call_function(images->ep,
 						(ulong)images->ft_addr, 0, 0);
diff --git a/board/synopsys/hsdk/hsdk.c b/board/synopsys/hsdk/hsdk.c
index 892b94b..226fbba 100644
--- a/board/synopsys/hsdk/hsdk.c
+++ b/board/synopsys/hsdk/hsdk.c
@@ -871,7 +871,7 @@ int board_prep_linux(bootm_headers_t *images)
 	if (env_common.core_mask.val == ALL_CPU_MASK)
 		return 0;
 
-	if (!IMAGE_ENABLE_OF_LIBFDT || !images->ft_len) {
+	if (!CONFIG_IS_ENABLED(OF_LIBFDT) || !images->ft_len) {
 		pr_err("WARN: core_mask setup will work properly only with external DTB!\n");
 		return 0;
 	}
diff --git a/common/Kconfig.boot b/common/Kconfig.boot
index f23b998..9b84a8d 100644
--- a/common/Kconfig.boot
+++ b/common/Kconfig.boot
@@ -165,6 +165,16 @@ config SPL_FIT_SIGNATURE
 	select SPL_IMAGE_SIGN_INFO
 	select SPL_FIT_FULL_CHECK
 
+config SPL_FIT_SIGNATURE_MAX_SIZE
+	hex "Max size of signed FIT structures in SPL"
+	depends on SPL_FIT_SIGNATURE
+	default 0x10000000
+	help
+	  This option sets a max size in bytes for verified FIT uImages.
+	  A sane value of 256MB protects corrupted DTB structures from overlapping
+	  device memory. Assure this size does not extend past expected storage
+	  space.
+
 config SPL_LOAD_FIT
 	bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
 	select SPL_FIT
diff --git a/common/Makefile b/common/Makefile
index fb8173a..e783902 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -101,7 +101,7 @@ obj-y += malloc_simple.o
 endif
 endif
 
-obj-y += image.o
+obj-y += image.o image-board.o
 obj-$(CONFIG_$(SPL_TPL_)HASH) += hash.o
 obj-$(CONFIG_ANDROID_AB) += android_ab.o
 obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o image-android-dt.o
diff --git a/common/bootm.c b/common/bootm.c
index ea71522..4482f84 100644
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -115,7 +115,7 @@ static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
 		images.os.arch = image_get_arch(os_hdr);
 		break;
 #endif
-#if IMAGE_ENABLE_FIT
+#if CONFIG_IS_ENABLED(FIT)
 	case IMAGE_FORMAT_FIT:
 		if (fit_image_get_type(images.fit_hdr_os,
 				       images.fit_noffset_os,
@@ -187,7 +187,7 @@ static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc,
 		/* Kernel entry point is the setup.bin */
 	} else if (images.legacy_hdr_valid) {
 		images.ep = image_get_ep(&images.legacy_hdr_os_copy);
-#if IMAGE_ENABLE_FIT
+#if CONFIG_IS_ENABLED(FIT)
 	} else if (images.fit_uname_os) {
 		int ret;
 
@@ -271,7 +271,7 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
 		return 1;
 	}
 
-#if IMAGE_ENABLE_OF_LIBFDT
+#if CONFIG_IS_ENABLED(OF_LIBFDT)
 	/* find flattened device tree */
 	ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
 			   &images.ft_addr, &images.ft_len);
@@ -295,16 +295,16 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
 		set_working_fdt_addr(map_to_sysmem(images.ft_addr));
 #endif
 
-#if IMAGE_ENABLE_FIT
-#if defined(CONFIG_FPGA)
-	/* find bitstreams */
-	ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
-			    NULL, NULL);
-	if (ret) {
-		printf("FPGA image is corrupted or invalid\n");
-		return 1;
+#if CONFIG_IS_ENABLED(FIT)
+	if (IS_ENABLED(CONFIG_FPGA)) {
+		/* find bitstreams */
+		ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
+				    NULL, NULL);
+		if (ret) {
+			printf("FPGA image is corrupted or invalid\n");
+			return 1;
+		}
 	}
-#endif
 
 	/* find all of the loadables */
 	ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
@@ -706,7 +706,7 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
 		}
 	}
 #endif
-#if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB)
+#if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
 	if (!ret && (states & BOOTM_STATE_FDT)) {
 		boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
 		ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
@@ -858,7 +858,7 @@ static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
 	const void *buf;
 	const char	*fit_uname_config = NULL;
 	const char	*fit_uname_kernel = NULL;
-#if IMAGE_ENABLE_FIT
+#if CONFIG_IS_ENABLED(FIT)
 	int		os_noffset;
 #endif
 
@@ -916,7 +916,7 @@ static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc,
 		bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
 		break;
 #endif
-#if IMAGE_ENABLE_FIT
+#if CONFIG_IS_ENABLED(FIT)
 	case IMAGE_FORMAT_FIT:
 		os_noffset = fit_image_load(images, img_addr,
 				&fit_uname_kernel, &fit_uname_config,
diff --git a/common/bootm_os.c b/common/bootm_os.c
index d635037..39623f9 100644
--- a/common/bootm_os.c
+++ b/common/bootm_os.c
@@ -58,6 +58,14 @@ static void copy_args(char *dest, int argc, char *const argv[], char delim)
 }
 #endif
 
+static void __maybe_unused fit_unsupported_reset(const char *msg)
+{
+	if (CONFIG_IS_ENABLED(FIT_VERBOSE)) {
+		printf("! FIT images not supported for '%s' - must reset board to recover!\n",
+		       msg);
+	}
+}
+
 #ifdef CONFIG_BOOTM_NETBSD
 static int do_bootm_netbsd(int flag, int argc, char *const argv[],
 			   bootm_headers_t *images)
diff --git a/common/hash.c b/common/hash.c
index 3884298..79202e1 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -24,7 +24,9 @@
 #include <u-boot/crc.h>
 #else
 #include "mkimage.h"
+#include <linux/compiler_attributes.h>
 #include <time.h>
+#include <linux/kconfig.h>
 #endif /* !USE_HOSTCC*/
 
 #include <hash.h>
@@ -41,8 +43,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static void reloc_update(void);
 
-#if defined(CONFIG_SHA1) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
-static int hash_init_sha1(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_sha1(struct hash_algo *algo, void **ctxp)
 {
 	sha1_context *ctx = malloc(sizeof(sha1_context));
 	sha1_starts(ctx);
@@ -50,15 +51,16 @@ static int hash_init_sha1(struct hash_algo *algo, void **ctxp)
 	return 0;
 }
 
-static int hash_update_sha1(struct hash_algo *algo, void *ctx, const void *buf,
-			    unsigned int size, int is_last)
+static int __maybe_unused hash_update_sha1(struct hash_algo *algo, void *ctx,
+					   const void *buf, unsigned int size,
+					   int is_last)
 {
 	sha1_update((sha1_context *)ctx, buf, size);
 	return 0;
 }
 
-static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf,
-			    int size)
+static int __maybe_unused hash_finish_sha1(struct hash_algo *algo, void *ctx,
+					   void *dest_buf, int size)
 {
 	if (size < algo->digest_size)
 		return -1;
@@ -67,10 +69,8 @@ static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf,
 	free(ctx);
 	return 0;
 }
-#endif
 
-#if defined(CONFIG_SHA256) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
-static int hash_init_sha256(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_sha256(struct hash_algo *algo, void **ctxp)
 {
 	sha256_context *ctx = malloc(sizeof(sha256_context));
 	sha256_starts(ctx);
@@ -78,15 +78,16 @@ static int hash_init_sha256(struct hash_algo *algo, void **ctxp)
 	return 0;
 }
 
-static int hash_update_sha256(struct hash_algo *algo, void *ctx,
-			      const void *buf, unsigned int size, int is_last)
+static int __maybe_unused hash_update_sha256(struct hash_algo *algo, void *ctx,
+					     const void *buf, uint size,
+					     int is_last)
 {
 	sha256_update((sha256_context *)ctx, buf, size);
 	return 0;
 }
 
-static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
-			      *dest_buf, int size)
+static int __maybe_unused hash_finish_sha256(struct hash_algo *algo, void *ctx,
+					     void *dest_buf, int size)
 {
 	if (size < algo->digest_size)
 		return -1;
@@ -95,10 +96,8 @@ static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
 	free(ctx);
 	return 0;
 }
-#endif
 
-#if defined(CONFIG_SHA384) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
-static int hash_init_sha384(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_sha384(struct hash_algo *algo, void **ctxp)
 {
 	sha512_context *ctx = malloc(sizeof(sha512_context));
 	sha384_starts(ctx);
@@ -106,15 +105,16 @@ static int hash_init_sha384(struct hash_algo *algo, void **ctxp)
 	return 0;
 }
 
-static int hash_update_sha384(struct hash_algo *algo, void *ctx,
-			      const void *buf, unsigned int size, int is_last)
+static int __maybe_unused hash_update_sha384(struct hash_algo *algo, void *ctx,
+					     const void *buf, uint size,
+					     int is_last)
 {
 	sha384_update((sha512_context *)ctx, buf, size);
 	return 0;
 }
 
-static int hash_finish_sha384(struct hash_algo *algo, void *ctx, void
-			      *dest_buf, int size)
+static int __maybe_unused hash_finish_sha384(struct hash_algo *algo, void *ctx,
+					     void *dest_buf, int size)
 {
 	if (size < algo->digest_size)
 		return -1;
@@ -123,10 +123,8 @@ static int hash_finish_sha384(struct hash_algo *algo, void *ctx, void
 	free(ctx);
 	return 0;
 }
-#endif
 
-#if defined(CONFIG_SHA512) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
-static int hash_init_sha512(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_sha512(struct hash_algo *algo, void **ctxp)
 {
 	sha512_context *ctx = malloc(sizeof(sha512_context));
 	sha512_starts(ctx);
@@ -134,15 +132,16 @@ static int hash_init_sha512(struct hash_algo *algo, void **ctxp)
 	return 0;
 }
 
-static int hash_update_sha512(struct hash_algo *algo, void *ctx,
-			      const void *buf, unsigned int size, int is_last)
+static int __maybe_unused hash_update_sha512(struct hash_algo *algo, void *ctx,
+					     const void *buf, uint size,
+					     int is_last)
 {
 	sha512_update((sha512_context *)ctx, buf, size);
 	return 0;
 }
 
-static int hash_finish_sha512(struct hash_algo *algo, void *ctx, void
-			      *dest_buf, int size)
+static int __maybe_unused hash_finish_sha512(struct hash_algo *algo, void *ctx,
+					     void *dest_buf, int size)
 {
 	if (size < algo->digest_size)
 		return -1;
@@ -151,8 +150,6 @@ static int hash_finish_sha512(struct hash_algo *algo, void *ctx, void
 	free(ctx);
 	return 0;
 }
-#endif
-
 
 static int hash_init_crc16_ccitt(struct hash_algo *algo, void **ctxp)
 {
@@ -181,7 +178,7 @@ static int hash_finish_crc16_ccitt(struct hash_algo *algo, void *ctx,
 	return 0;
 }
 
-static int hash_init_crc32(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_crc32(struct hash_algo *algo, void **ctxp)
 {
 	uint32_t *ctx = malloc(sizeof(uint32_t));
 	*ctx = 0;
@@ -189,15 +186,16 @@ static int hash_init_crc32(struct hash_algo *algo, void **ctxp)
 	return 0;
 }
 
-static int hash_update_crc32(struct hash_algo *algo, void *ctx,
-			     const void *buf, unsigned int size, int is_last)
+static int __maybe_unused hash_update_crc32(struct hash_algo *algo, void *ctx,
+					    const void *buf, unsigned int size,
+					    int is_last)
 {
 	*((uint32_t *)ctx) = crc32(*((uint32_t *)ctx), buf, size);
 	return 0;
 }
 
-static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf,
-			     int size)
+static int __maybe_unused hash_finish_crc32(struct hash_algo *algo, void *ctx,
+					    void *dest_buf, int size)
 {
 	if (size < algo->digest_size)
 		return -1;
@@ -207,18 +205,13 @@ static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf,
 	return 0;
 }
 
-#ifdef USE_HOSTCC
-# define I_WANT_MD5	1
-#else
-# define I_WANT_MD5	CONFIG_IS_ENABLED(MD5)
-#endif
 /*
  * These are the hash algorithms we support.  If we have hardware acceleration
  * is enable we will use that, otherwise a software version of the algorithm.
  * Note that algorithm names must be in lower case.
  */
 static struct hash_algo hash_algo[] = {
-#if I_WANT_MD5
+#if CONFIG_IS_ENABLED(MD5)
 	{
 		.name		= "md5",
 		.digest_size	= MD5_SUM_LEN,
@@ -226,17 +219,17 @@ static struct hash_algo hash_algo[] = {
 		.hash_func_ws	= md5_wd,
 	},
 #endif
-#ifdef CONFIG_SHA1
+#if CONFIG_IS_ENABLED(SHA1)
 	{
 		.name		= "sha1",
 		.digest_size	= SHA1_SUM_LEN,
 		.chunk_size	= CHUNKSZ_SHA1,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
 		.hash_func_ws	= hw_sha1,
 #else
 		.hash_func_ws	= sha1_csum_wd,
 #endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
 		.hash_init	= hw_sha_init,
 		.hash_update	= hw_sha_update,
 		.hash_finish	= hw_sha_finish,
@@ -247,17 +240,17 @@ static struct hash_algo hash_algo[] = {
 #endif
 	},
 #endif
-#ifdef CONFIG_SHA256
+#if CONFIG_IS_ENABLED(SHA256)
 	{
 		.name		= "sha256",
 		.digest_size	= SHA256_SUM_LEN,
 		.chunk_size	= CHUNKSZ_SHA256,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
 		.hash_func_ws	= hw_sha256,
 #else
 		.hash_func_ws	= sha256_csum_wd,
 #endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
 		.hash_init	= hw_sha_init,
 		.hash_update	= hw_sha_update,
 		.hash_finish	= hw_sha_finish,
@@ -268,17 +261,17 @@ static struct hash_algo hash_algo[] = {
 #endif
 	},
 #endif
-#ifdef CONFIG_SHA384
+#if CONFIG_IS_ENABLED(SHA384)
 	{
 		.name		= "sha384",
 		.digest_size	= SHA384_SUM_LEN,
 		.chunk_size	= CHUNKSZ_SHA384,
-#ifdef CONFIG_SHA512_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA512_HW_ACCEL)
 		.hash_func_ws	= hw_sha384,
 #else
 		.hash_func_ws	= sha384_csum_wd,
 #endif
-#if defined(CONFIG_SHA512_HW_ACCEL) && defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA512_HW_ACCEL) && CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
 		.hash_init	= hw_sha_init,
 		.hash_update	= hw_sha_update,
 		.hash_finish	= hw_sha_finish,
@@ -289,17 +282,17 @@ static struct hash_algo hash_algo[] = {
 #endif
 	},
 #endif
-#ifdef CONFIG_SHA512
+#if CONFIG_IS_ENABLED(SHA512)
 	{
 		.name		= "sha512",
 		.digest_size	= SHA512_SUM_LEN,
 		.chunk_size	= CHUNKSZ_SHA512,
-#ifdef CONFIG_SHA512_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA512_HW_ACCEL)
 		.hash_func_ws	= hw_sha512,
 #else
 		.hash_func_ws	= sha512_csum_wd,
 #endif
-#if defined(CONFIG_SHA512_HW_ACCEL) && defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA512_HW_ACCEL) && CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
 		.hash_init	= hw_sha_init,
 		.hash_update	= hw_sha_update,
 		.hash_finish	= hw_sha_finish,
@@ -319,6 +312,7 @@ static struct hash_algo hash_algo[] = {
 		.hash_update	= hash_update_crc16_ccitt,
 		.hash_finish	= hash_finish_crc16_ccitt,
 	},
+#if CONFIG_IS_ENABLED(CRC32)
 	{
 		.name		= "crc32",
 		.digest_size	= 4,
@@ -328,12 +322,13 @@ static struct hash_algo hash_algo[] = {
 		.hash_update	= hash_update_crc32,
 		.hash_finish	= hash_finish_crc32,
 	},
+#endif
 };
 
 /* Try to minimize code size for boards that don't want much hashing */
-#if defined(CONFIG_SHA256) || defined(CONFIG_CMD_SHA1SUM) || \
-	defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_CMD_HASH) || \
-	defined(CONFIG_SHA384) || defined(CONFIG_SHA512)
+#if CONFIG_IS_ENABLED(SHA256) || CONFIG_IS_ENABLED(CMD_SHA1SUM) || \
+	CONFIG_IS_ENABLED(CRC32_VERIFY) || CONFIG_IS_ENABLED(CMD_HASH) || \
+	CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512)
 #define multi_hash()	1
 #else
 #define multi_hash()	0
@@ -438,7 +433,8 @@ int hash_block(const char *algo_name, const void *data, unsigned int len,
 	return 0;
 }
 
-#if defined(CONFIG_CMD_HASH) || defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32)
+#if !defined(CONFIG_SPL_BUILD) && (defined(CONFIG_CMD_HASH) || \
+	defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32))
 /**
  * store_result: Store the resulting sum to an address or variable
  *
diff --git a/common/image-board.c b/common/image-board.c
new file mode 100644
index 0000000..e766035
--- /dev/null
+++ b/common/image-board.c
@@ -0,0 +1,956 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Image code used by boards (and not host tools)
+ *
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <common.h>
+#include <bootstage.h>
+#include <cpu_func.h>
+#include <env.h>
+#include <fpga.h>
+#include <image.h>
+#include <mapmem.h>
+#include <rtc.h>
+#include <watchdog.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+
+#ifndef CONFIG_SYS_BARGSIZE
+#define CONFIG_SYS_BARGSIZE 512
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * image_get_ramdisk - get and verify ramdisk image
+ * @rd_addr: ramdisk image start address
+ * @arch: expected ramdisk architecture
+ * @verify: checksum verification flag
+ *
+ * image_get_ramdisk() returns a pointer to the verified ramdisk image
+ * header. Routine receives image start address and expected architecture
+ * flag. Verification done covers data and header integrity and os/type/arch
+ * fields checking.
+ *
+ * returns:
+ *     pointer to a ramdisk image header, if image was found and valid
+ *     otherwise, return NULL
+ */
+static const image_header_t *image_get_ramdisk(ulong rd_addr, u8 arch,
+					       int verify)
+{
+	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
+
+	if (!image_check_magic(rd_hdr)) {
+		puts("Bad Magic Number\n");
+		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
+		return NULL;
+	}
+
+	if (!image_check_hcrc(rd_hdr)) {
+		puts("Bad Header Checksum\n");
+		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
+		return NULL;
+	}
+
+	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
+	image_print_contents(rd_hdr);
+
+	if (verify) {
+		puts("   Verifying Checksum ... ");
+		if (!image_check_dcrc(rd_hdr)) {
+			puts("Bad Data CRC\n");
+			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
+			return NULL;
+		}
+		puts("OK\n");
+	}
+
+	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
+
+	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
+	    !image_check_arch(rd_hdr, arch) ||
+	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
+		printf("No Linux %s Ramdisk Image\n",
+		       genimg_get_arch_name(arch));
+		bootstage_error(BOOTSTAGE_ID_RAMDISK);
+		return NULL;
+	}
+
+	return rd_hdr;
+}
+
+/*****************************************************************************/
+/* Shared dual-format routines */
+/*****************************************************************************/
+ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
+ulong image_save_addr;			/* Default Save Address */
+ulong image_save_size;			/* Default Save Size (in bytes) */
+
+static int on_loadaddr(const char *name, const char *value, enum env_op op,
+		       int flags)
+{
+	switch (op) {
+	case env_op_create:
+	case env_op_overwrite:
+		image_load_addr = hextoul(value, NULL);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
+
+ulong env_get_bootm_low(void)
+{
+	char *s = env_get("bootm_low");
+
+	if (s) {
+		ulong tmp = hextoul(s, NULL);
+		return tmp;
+	}
+
+#if defined(CONFIG_SYS_SDRAM_BASE)
+	return CONFIG_SYS_SDRAM_BASE;
+#elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV)
+	return gd->bd->bi_dram[0].start;
+#else
+	return 0;
+#endif
+}
+
+phys_size_t env_get_bootm_size(void)
+{
+	phys_size_t tmp, size;
+	phys_addr_t start;
+	char *s = env_get("bootm_size");
+
+	if (s) {
+		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
+		return tmp;
+	}
+
+	start = gd->ram_base;
+	size = gd->ram_size;
+
+	if (start + size > gd->ram_top)
+		size = gd->ram_top - start;
+
+	s = env_get("bootm_low");
+	if (s)
+		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
+	else
+		tmp = start;
+
+	return size - (tmp - start);
+}
+
+phys_size_t env_get_bootm_mapsize(void)
+{
+	phys_size_t tmp;
+	char *s = env_get("bootm_mapsize");
+
+	if (s) {
+		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
+		return tmp;
+	}
+
+#if defined(CONFIG_SYS_BOOTMAPSZ)
+	return CONFIG_SYS_BOOTMAPSZ;
+#else
+	return env_get_bootm_size();
+#endif
+}
+
+void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
+{
+	if (to == from)
+		return;
+
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+	if (to > from) {
+		from += len;
+		to += len;
+	}
+	while (len > 0) {
+		size_t tail = (len > chunksz) ? chunksz : len;
+
+		WATCHDOG_RESET();
+		if (to > from) {
+			to -= tail;
+			from -= tail;
+		}
+		memmove(to, from, tail);
+		if (to < from) {
+			to += tail;
+			from += tail;
+		}
+		len -= tail;
+	}
+#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
+	memmove(to, from, len);
+#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+}
+
+/**
+ * genimg_get_kernel_addr_fit - get the real kernel address and return 2
+ *                              FIT strings
+ * @img_addr: a string might contain real image address
+ * @fit_uname_config: double pointer to a char, will hold pointer to a
+ *                    configuration unit name
+ * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
+ *                    name
+ *
+ * genimg_get_kernel_addr_fit get the real kernel start address from a string
+ * which is normally the first argv of bootm/bootz
+ *
+ * returns:
+ *     kernel start address
+ */
+ulong genimg_get_kernel_addr_fit(char * const img_addr,
+				 const char **fit_uname_config,
+				 const char **fit_uname_kernel)
+{
+	ulong kernel_addr;
+
+	/* find out kernel image address */
+	if (!img_addr) {
+		kernel_addr = image_load_addr;
+		debug("*  kernel: default image load address = 0x%08lx\n",
+		      image_load_addr);
+	} else if (CONFIG_IS_ENABLED(FIT) &&
+		   fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
+				  fit_uname_config)) {
+		debug("*  kernel: config '%s' from image at 0x%08lx\n",
+		      *fit_uname_config, kernel_addr);
+	} else if (CONFIG_IS_ENABLED(FIT) &&
+		   fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
+				      fit_uname_kernel)) {
+		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
+		      *fit_uname_kernel, kernel_addr);
+	} else {
+		kernel_addr = hextoul(img_addr, NULL);
+		debug("*  kernel: cmdline image address = 0x%08lx\n",
+		      kernel_addr);
+	}
+
+	return kernel_addr;
+}
+
+/**
+ * genimg_get_kernel_addr() is the simple version of
+ * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
+ */
+ulong genimg_get_kernel_addr(char * const img_addr)
+{
+	const char *fit_uname_config = NULL;
+	const char *fit_uname_kernel = NULL;
+
+	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
+					  &fit_uname_kernel);
+}
+
+/**
+ * genimg_get_format - get image format type
+ * @img_addr: image start address
+ *
+ * genimg_get_format() checks whether provided address points to a valid
+ * legacy or FIT image.
+ *
+ * New uImage format and FDT blob are based on a libfdt. FDT blob
+ * may be passed directly or embedded in a FIT image. In both situations
+ * genimg_get_format() must be able to dectect libfdt header.
+ *
+ * returns:
+ *     image format type or IMAGE_FORMAT_INVALID if no image is present
+ */
+int genimg_get_format(const void *img_addr)
+{
+	if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
+		const image_header_t *hdr;
+
+		hdr = (const image_header_t *)img_addr;
+		if (image_check_magic(hdr))
+			return IMAGE_FORMAT_LEGACY;
+	}
+	if (CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)) {
+		if (!fdt_check_header(img_addr))
+			return IMAGE_FORMAT_FIT;
+	}
+	if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE) &&
+	    !android_image_check_header(img_addr))
+		return IMAGE_FORMAT_ANDROID;
+
+	return IMAGE_FORMAT_INVALID;
+}
+
+/**
+ * fit_has_config - check if there is a valid FIT configuration
+ * @images: pointer to the bootm command headers structure
+ *
+ * fit_has_config() checks if there is a FIT configuration in use
+ * (if FTI support is present).
+ *
+ * returns:
+ *     0, no FIT support or no configuration found
+ *     1, configuration found
+ */
+int genimg_has_config(bootm_headers_t *images)
+{
+	if (CONFIG_IS_ENABLED(FIT) && images->fit_uname_cfg)
+		return 1;
+
+	return 0;
+}
+
+/**
+ * select_ramdisk() - Select and locate the ramdisk to use
+ *
+ * @images: pointer to the bootm images structure
+ * @select: name of ramdisk to select, or NULL for any
+ * @arch: expected ramdisk architecture
+ * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer
+ * @rd_lenp: pointer to a ulong variable, will hold ramdisk length
+ * @return 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
+ *	other -ve value on other error
+ */
+static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
+			  ulong *rd_datap, ulong *rd_lenp)
+{
+	ulong rd_addr = 0;
+	char *buf;
+	const char *fit_uname_config = images->fit_uname_cfg;
+	const char *fit_uname_ramdisk = NULL;
+	bool processed;
+	int rd_noffset;
+
+	if (select) {
+		ulong default_addr;
+		bool done = true;
+
+		if (CONFIG_IS_ENABLED(FIT)) {
+			/*
+			 * If the init ramdisk comes from the FIT image and
+			 * the FIT image address is omitted in the command
+			 * line argument, try to use os FIT image address or
+			 * default load address.
+			 */
+			if (images->fit_uname_os)
+				default_addr = (ulong)images->fit_hdr_os;
+			else
+				default_addr = image_load_addr;
+
+			if (fit_parse_conf(select, default_addr, &rd_addr,
+					   &fit_uname_config)) {
+				debug("*  ramdisk: config '%s' from image at 0x%08lx\n",
+				      fit_uname_config, rd_addr);
+			} else if (fit_parse_subimage(select, default_addr,
+						      &rd_addr,
+						      &fit_uname_ramdisk)) {
+				debug("*  ramdisk: subimage '%s' from image at 0x%08lx\n",
+				      fit_uname_ramdisk, rd_addr);
+			} else {
+				done = false;
+			}
+		}
+		if (!done) {
+			rd_addr = hextoul(select, NULL);
+			debug("*  ramdisk: cmdline image address = 0x%08lx\n",
+			      rd_addr);
+		}
+	} else if (CONFIG_IS_ENABLED(FIT)) {
+		/* use FIT configuration provided in first bootm
+		 * command argument. If the property is not defined,
+		 * quit silently (with -ENOPKG	)
+		 */
+		rd_addr = map_to_sysmem(images->fit_hdr_os);
+		rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP,
+						      rd_addr);
+		if (rd_noffset == -ENOENT)
+			return -ENOPKG;
+		else if (rd_noffset < 0)
+			return rd_noffset;
+	}
+
+	/*
+	 * Check if there is an initrd image at the
+	 * address provided in the second bootm argument
+	 * check image type, for FIT images get FIT node.
+	 */
+	buf = map_sysmem(rd_addr, 0);
+	processed = false;
+	switch (genimg_get_format(buf)) {
+	case IMAGE_FORMAT_LEGACY:
+		if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
+			const image_header_t *rd_hdr;
+
+			printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
+			       rd_addr);
+
+			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
+			rd_hdr = image_get_ramdisk(rd_addr, arch, images->verify);
+			if (!rd_hdr)
+				return -ENOENT;
+
+			*rd_datap = image_get_data(rd_hdr);
+			*rd_lenp = image_get_data_size(rd_hdr);
+			processed = true;
+		}
+		break;
+	case IMAGE_FORMAT_FIT:
+		if (CONFIG_IS_ENABLED(FIT)) {
+			rd_noffset = fit_image_load(images, rd_addr,
+						    &fit_uname_ramdisk,
+						    &fit_uname_config, arch,
+						    IH_TYPE_RAMDISK,
+						    BOOTSTAGE_ID_FIT_RD_START,
+						    FIT_LOAD_OPTIONAL_NON_ZERO,
+						    rd_datap, rd_lenp);
+			if (rd_noffset < 0)
+				return rd_noffset;
+
+			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
+			images->fit_uname_rd = fit_uname_ramdisk;
+			images->fit_noffset_rd = rd_noffset;
+			processed = true;
+		}
+		break;
+	case IMAGE_FORMAT_ANDROID:
+		if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
+			android_image_get_ramdisk((void *)images->os.start,
+						  rd_datap, rd_lenp);
+			processed = true;
+		}
+		break;
+	}
+
+	if (!processed) {
+		if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
+			char *end = NULL;
+
+			if (select)
+				end = strchr(select, ':');
+			if (end) {
+				*rd_lenp = hextoul(++end, NULL);
+				*rd_datap = rd_addr;
+				processed = true;
+			}
+		}
+
+		if (!processed) {
+			puts("Wrong Ramdisk Image Format\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * boot_get_ramdisk - main ramdisk handling routine
+ * @argc: command argument count
+ * @argv: command argument list
+ * @images: pointer to the bootm images structure
+ * @arch: expected ramdisk architecture
+ * @rd_start: pointer to a ulong variable, will hold ramdisk start address
+ * @rd_end: pointer to a ulong variable, will hold ramdisk end
+ *
+ * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
+ * Currently supported are the following ramdisk sources:
+ *      - multicomponent kernel/ramdisk image,
+ *      - commandline provided address of decicated ramdisk image.
+ *
+ * returns:
+ *     0, if ramdisk image was found and valid, or skiped
+ *     rd_start and rd_end are set to ramdisk start/end addresses if
+ *     ramdisk image is found and valid
+ *
+ *     1, if ramdisk image is found but corrupted, or invalid
+ *     rd_start and rd_end are set to 0 if no ramdisk exists
+ */
+int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
+		     u8 arch, ulong *rd_start, ulong *rd_end)
+{
+	ulong rd_data, rd_len;
+	const char *select = NULL;
+
+	*rd_start = 0;
+	*rd_end = 0;
+
+	if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
+		char *buf;
+
+		/* Look for an Android boot image */
+		buf = map_sysmem(images->os.start, 0);
+		if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
+			select = (argc == 0) ? env_get("loadaddr") : argv[0];
+	}
+
+	if (argc >= 2)
+		select = argv[1];
+
+	/*
+	 * Look for a '-' which indicates to ignore the
+	 * ramdisk argument
+	 */
+	if (select && strcmp(select, "-") ==  0) {
+		debug("## Skipping init Ramdisk\n");
+		rd_len = 0;
+		rd_data = 0;
+	} else if (select || genimg_has_config(images)) {
+		int ret;
+
+		ret = select_ramdisk(images, select, arch, &rd_data, &rd_len);
+		if (ret == -ENOPKG)
+			return 0;
+		else if (ret)
+			return ret;
+	} else if (images->legacy_hdr_valid &&
+			image_check_type(&images->legacy_hdr_os_copy,
+					 IH_TYPE_MULTI)) {
+		/*
+		 * Now check if we have a legacy mult-component image,
+		 * get second entry data start address and len.
+		 */
+		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
+		printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n",
+		       (ulong)images->legacy_hdr_os);
+
+		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
+	} else {
+		/*
+		 * no initrd image
+		 */
+		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
+		rd_len = 0;
+		rd_data = 0;
+	}
+
+	if (!rd_data) {
+		debug("## No init Ramdisk\n");
+	} else {
+		*rd_start = rd_data;
+		*rd_end = rd_data + rd_len;
+	}
+	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
+	      *rd_start, *rd_end);
+
+	return 0;
+}
+
+/**
+ * boot_ramdisk_high - relocate init ramdisk
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @rd_data: ramdisk data start address
+ * @rd_len: ramdisk data length
+ * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
+ *      start address (after possible relocation)
+ * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
+ *      end address (after possible relocation)
+ *
+ * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
+ * variable and if requested ramdisk data is moved to a specified location.
+ *
+ * Initrd_start and initrd_end are set to final (after relocation) ramdisk
+ * start/end addresses if ramdisk image start and len were provided,
+ * otherwise set initrd_start and initrd_end set to zeros.
+ *
+ * returns:
+ *      0 - success
+ *     -1 - failure
+ */
+int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
+		      ulong *initrd_start, ulong *initrd_end)
+{
+	char	*s;
+	ulong	initrd_high;
+	int	initrd_copy_to_ram = 1;
+
+	s = env_get("initrd_high");
+	if (s) {
+		/* a value of "no" or a similar string will act like 0,
+		 * turning the "load high" feature off. This is intentional.
+		 */
+		initrd_high = hextoul(s, NULL);
+		if (initrd_high == ~0)
+			initrd_copy_to_ram = 0;
+	} else {
+		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
+	}
+
+	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
+	      initrd_high, initrd_copy_to_ram);
+
+	if (rd_data) {
+		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
+			debug("   in-place initrd\n");
+			*initrd_start = rd_data;
+			*initrd_end = rd_data + rd_len;
+			lmb_reserve(lmb, rd_data, rd_len);
+		} else {
+			if (initrd_high)
+				*initrd_start = (ulong)lmb_alloc_base(lmb,
+						rd_len, 0x1000, initrd_high);
+			else
+				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
+								 0x1000);
+
+			if (*initrd_start == 0) {
+				puts("ramdisk - allocation error\n");
+				goto error;
+			}
+			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
+
+			*initrd_end = *initrd_start + rd_len;
+			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
+			       *initrd_start, *initrd_end);
+
+			memmove_wd((void *)*initrd_start,
+				   (void *)rd_data, rd_len, CHUNKSZ);
+
+			/*
+			 * Ensure the image is flushed to memory to handle
+			 * AMP boot scenarios in which we might not be
+			 * HW cache coherent
+			 */
+			if (IS_ENABLED(CONFIG_MP)) {
+				flush_cache((unsigned long)*initrd_start,
+					    ALIGN(rd_len, ARCH_DMA_MINALIGN));
+			}
+			puts("OK\n");
+		}
+	} else {
+		*initrd_start = 0;
+		*initrd_end = 0;
+	}
+	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
+	      *initrd_start, *initrd_end);
+
+	return 0;
+
+error:
+	return -1;
+}
+
+int boot_get_setup(bootm_headers_t *images, u8 arch,
+		   ulong *setup_start, ulong *setup_len)
+{
+	if (!CONFIG_IS_ENABLED(FIT))
+		return -ENOENT;
+
+	return boot_get_setup_fit(images, arch, setup_start, setup_len);
+}
+
+int boot_get_fpga(int argc, char *const argv[], bootm_headers_t *images,
+		  u8 arch, const ulong *ld_start, ulong * const ld_len)
+{
+	ulong tmp_img_addr, img_data, img_len;
+	void *buf;
+	int conf_noffset;
+	int fit_img_result;
+	const char *uname, *name;
+	int err;
+	int devnum = 0; /* TODO support multi fpga platforms */
+
+	if (!IS_ENABLED(CONFIG_FPGA))
+		return -ENOSYS;
+
+	/* Check to see if the images struct has a FIT configuration */
+	if (!genimg_has_config(images)) {
+		debug("## FIT configuration was not specified\n");
+		return 0;
+	}
+
+	/*
+	 * Obtain the os FIT header from the images struct
+	 */
+	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
+	buf = map_sysmem(tmp_img_addr, 0);
+	/*
+	 * Check image type. For FIT images get FIT node
+	 * and attempt to locate a generic binary.
+	 */
+	switch (genimg_get_format(buf)) {
+	case IMAGE_FORMAT_FIT:
+		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
+
+		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
+					   NULL);
+		if (!uname) {
+			debug("## FPGA image is not specified\n");
+			return 0;
+		}
+		fit_img_result = fit_image_load(images,
+						tmp_img_addr,
+						(const char **)&uname,
+						&images->fit_uname_cfg,
+						arch,
+						IH_TYPE_FPGA,
+						BOOTSTAGE_ID_FPGA_INIT,
+						FIT_LOAD_OPTIONAL_NON_ZERO,
+						&img_data, &img_len);
+
+		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
+		      uname, img_data, img_len);
+
+		if (fit_img_result < 0) {
+			/* Something went wrong! */
+			return fit_img_result;
+		}
+
+		if (!fpga_is_partial_data(devnum, img_len)) {
+			name = "full";
+			err = fpga_loadbitstream(devnum, (char *)img_data,
+						 img_len, BIT_FULL);
+			if (err)
+				err = fpga_load(devnum, (const void *)img_data,
+						img_len, BIT_FULL);
+		} else {
+			name = "partial";
+			err = fpga_loadbitstream(devnum, (char *)img_data,
+						 img_len, BIT_PARTIAL);
+			if (err)
+				err = fpga_load(devnum, (const void *)img_data,
+						img_len, BIT_PARTIAL);
+		}
+
+		if (err)
+			return err;
+
+		printf("   Programming %s bitstream... OK\n", name);
+		break;
+	default:
+		printf("The given image format is not supported (corrupt?)\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+static void fit_loadable_process(u8 img_type,
+				 ulong img_data,
+				 ulong img_len)
+{
+	int i;
+	const unsigned int count =
+			ll_entry_count(struct fit_loadable_tbl, fit_loadable);
+	struct fit_loadable_tbl *fit_loadable_handler =
+			ll_entry_start(struct fit_loadable_tbl, fit_loadable);
+	/* For each loadable handler */
+	for (i = 0; i < count; i++, fit_loadable_handler++)
+		/* matching this type */
+		if (fit_loadable_handler->type == img_type)
+			/* call that handler with this image data */
+			fit_loadable_handler->handler(img_data, img_len);
+}
+
+int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
+		      u8 arch, const ulong *ld_start, ulong * const ld_len)
+{
+	/*
+	 * These variables are used to hold the current image location
+	 * in system memory.
+	 */
+	ulong tmp_img_addr;
+	/*
+	 * These two variables are requirements for fit_image_load, but
+	 * their values are not used
+	 */
+	ulong img_data, img_len;
+	void *buf;
+	int loadables_index;
+	int conf_noffset;
+	int fit_img_result;
+	const char *uname;
+	u8 img_type;
+
+	/* Check to see if the images struct has a FIT configuration */
+	if (!genimg_has_config(images)) {
+		debug("## FIT configuration was not specified\n");
+		return 0;
+	}
+
+	/*
+	 * Obtain the os FIT header from the images struct
+	 */
+	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
+	buf = map_sysmem(tmp_img_addr, 0);
+	/*
+	 * Check image type. For FIT images get FIT node
+	 * and attempt to locate a generic binary.
+	 */
+	switch (genimg_get_format(buf)) {
+	case IMAGE_FORMAT_FIT:
+		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
+
+		for (loadables_index = 0;
+		     uname = fdt_stringlist_get(buf, conf_noffset,
+						FIT_LOADABLE_PROP,
+						loadables_index, NULL), uname;
+		     loadables_index++) {
+			fit_img_result = fit_image_load(images, tmp_img_addr,
+							&uname,
+							&images->fit_uname_cfg,
+							arch, IH_TYPE_LOADABLE,
+							BOOTSTAGE_ID_FIT_LOADABLE_START,
+							FIT_LOAD_OPTIONAL_NON_ZERO,
+							&img_data, &img_len);
+			if (fit_img_result < 0) {
+				/* Something went wrong! */
+				return fit_img_result;
+			}
+
+			fit_img_result = fit_image_get_node(buf, uname);
+			if (fit_img_result < 0) {
+				/* Something went wrong! */
+				return fit_img_result;
+			}
+			fit_img_result = fit_image_get_type(buf,
+							    fit_img_result,
+							    &img_type);
+			if (fit_img_result < 0) {
+				/* Something went wrong! */
+				return fit_img_result;
+			}
+
+			fit_loadable_process(img_type, img_data, img_len);
+		}
+		break;
+	default:
+		printf("The given image format is not supported (corrupt?)\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+/**
+ * boot_get_cmdline - allocate and initialize kernel cmdline
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @cmd_start: pointer to a ulong variable, will hold cmdline start
+ * @cmd_end: pointer to a ulong variable, will hold cmdline end
+ *
+ * boot_get_cmdline() allocates space for kernel command line below
+ * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
+ * variable is present its contents is copied to allocated kernel
+ * command line.
+ *
+ * returns:
+ *      0 - success
+ *     -1 - failure
+ */
+int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
+{
+	char *cmdline;
+	char *s;
+
+	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
+				env_get_bootm_mapsize() + env_get_bootm_low());
+	if (!cmdline)
+		return -1;
+
+	s = env_get("bootargs");
+	if (!s)
+		s = "";
+
+	strcpy(cmdline, s);
+
+	*cmd_start = (ulong)cmdline;
+	*cmd_end = *cmd_start + strlen(cmdline);
+
+	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
+
+	return 0;
+}
+
+/**
+ * boot_get_kbd - allocate and initialize kernel copy of board info
+ * @lmb: pointer to lmb handle, will be used for memory mgmt
+ * @kbd: double pointer to board info data
+ *
+ * boot_get_kbd() allocates space for kernel copy of board info data below
+ * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
+ * with the current u-boot board info data.
+ *
+ * returns:
+ *      0 - success
+ *     -1 - failure
+ */
+int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
+{
+	*kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
+						       sizeof(struct bd_info),
+						       0xf,
+						       env_get_bootm_mapsize() +
+						       env_get_bootm_low());
+	if (!*kbd)
+		return -1;
+
+	**kbd = *gd->bd;
+
+	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
+
+#if defined(DEBUG)
+	if (IS_ENABLED(CONFIG_CMD_BDI)
+		do_bdinfo(NULL, 0, 0, NULL);
+#endif
+
+	return 0;
+}
+
+int image_setup_linux(bootm_headers_t *images)
+{
+	ulong of_size = images->ft_len;
+	char **of_flat_tree = &images->ft_addr;
+	struct lmb *lmb = &images->lmb;
+	int ret;
+
+	if (CONFIG_IS_ENABLED(OF_LIBFDT))
+		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
+
+	if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
+		ret = boot_get_cmdline(lmb, &images->cmdline_start,
+				       &images->cmdline_end);
+		if (ret) {
+			puts("ERROR with allocation of cmdline\n");
+			return ret;
+		}
+	}
+
+	if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
+		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
+		if (ret)
+			return ret;
+	}
+
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
+		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+void genimg_print_size(uint32_t size)
+{
+	printf("%d Bytes = ", size);
+	print_size(size, "\n");
+}
+
+void genimg_print_time(time_t timestamp)
+{
+	struct rtc_time tm;
+
+	rtc_to_tm(timestamp, &tm);
+	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
+	       tm.tm_year, tm.tm_mon, tm.tm_mday,
+	       tm.tm_hour, tm.tm_min, tm.tm_sec);
+}
diff --git a/common/image-fdt.c b/common/image-fdt.c
index b698e96..7aad6d5 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -252,59 +252,29 @@ error:
 }
 
 /**
- * boot_get_fdt - main fdt handling routine
- * @argc: command argument count
- * @argv: command argument list
- * @arch: architecture (IH_ARCH_...)
- * @images: pointer to the bootm images structure
- * @of_flat_tree: pointer to a char* variable, will hold fdt start address
- * @of_size: pointer to a ulong variable, will hold fdt length
- *
- * boot_get_fdt() is responsible for finding a valid flat device tree image.
- * Curently supported are the following ramdisk sources:
- *      - multicomponent kernel/ramdisk image,
- *      - commandline provided address of decicated ramdisk image.
- *
- * returns:
- *     0, if fdt image was found and valid, or skipped
- *     of_flat_tree and of_size are set to fdt start address and length if
- *     fdt image is found and valid
+ * select_fdt() - Select and locate the FDT to use
  *
- *     1, if fdt image is found but corrupted
- *     of_flat_tree and of_size are set to 0 if no fdt exists
+ * @images: pointer to the bootm images structure
+ * @select: name of FDT to select, or NULL for any
+ * @arch: expected FDT architecture
+ * @fdt_addrp: pointer to a ulong variable, will hold FDT pointer
+ * @return 0 if OK, -ENOPKG if no FDT (but an error should not be reported),
+ *	other -ve value on other error
  */
-int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
-		 bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
-{
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-	const image_header_t *fdt_hdr;
-	ulong		load, load_end;
-	ulong		image_start, image_data, image_end;
-#endif
-	ulong		img_addr;
-	ulong		fdt_addr;
-	char		*fdt_blob = NULL;
-	void		*buf;
-#if CONFIG_IS_ENABLED(FIT)
-	const char	*fit_uname_config = images->fit_uname_cfg;
-	const char	*fit_uname_fdt = NULL;
-	ulong		default_addr;
-	int		fdt_noffset;
-#endif
-	const char *select = NULL;
 
-	*of_flat_tree = NULL;
-	*of_size = 0;
-
-	img_addr = (argc == 0) ? image_load_addr :
-			hextoul(argv[0], NULL);
-	buf = map_sysmem(img_addr, 0);
+static int select_fdt(bootm_headers_t *images, const char *select, u8 arch,
+		      ulong *fdt_addrp)
+{
+	const char *buf;
+	ulong fdt_addr;
 
-	if (argc > 2)
-		select = argv[2];
-	if (select || genimg_has_config(images)) {
 #if CONFIG_IS_ENABLED(FIT)
-		if (select) {
+	const char *fit_uname_config = images->fit_uname_cfg;
+	const char *fit_uname_fdt = NULL;
+	ulong default_addr;
+	int fdt_noffset;
+
+	if (select) {
 			/*
 			 * If the FDT blob comes from the FIT image and the
 			 * FIT image address is omitted in the command line
@@ -318,54 +288,57 @@ int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
 			else
 				default_addr = image_load_addr;
 
-			if (fit_parse_conf(select, default_addr,
-					   &fdt_addr, &fit_uname_config)) {
+			if (fit_parse_conf(select, default_addr, &fdt_addr,
+					   &fit_uname_config)) {
 				debug("*  fdt: config '%s' from image at 0x%08lx\n",
 				      fit_uname_config, fdt_addr);
-			} else if (fit_parse_subimage(select, default_addr,
-				   &fdt_addr, &fit_uname_fdt)) {
+			} else if (fit_parse_subimage(select, default_addr, &fdt_addr,
+				   &fit_uname_fdt)) {
 				debug("*  fdt: subimage '%s' from image at 0x%08lx\n",
 				      fit_uname_fdt, fdt_addr);
 			} else
 #endif
-			{
-				fdt_addr = hextoul(select, NULL);
-				debug("*  fdt: cmdline image address = 0x%08lx\n",
-				      fdt_addr);
-			}
-#if CONFIG_IS_ENABLED(FIT)
-		} else {
-			/* use FIT configuration provided in first bootm
-			 * command argument
-			 */
-			fdt_addr = map_to_sysmem(images->fit_hdr_os);
-			fdt_noffset = fit_get_node_from_config(images,
-							       FIT_FDT_PROP,
-							       fdt_addr);
-			if (fdt_noffset == -ENOENT)
-				return 0;
-			else if (fdt_noffset < 0)
-				return 1;
+		{
+			fdt_addr = hextoul(select, NULL);
+			debug("*  fdt: cmdline image address = 0x%08lx\n",
+			      fdt_addr);
 		}
-#endif
-		debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
-		      fdt_addr);
-
-		/*
-		 * Check if there is an FDT image at the
-		 * address provided in the second bootm argument
-		 * check image type, for FIT images get a FIT node.
+#if CONFIG_IS_ENABLED(FIT)
+	} else {
+		/* use FIT configuration provided in first bootm
+		 * command argument
 		 */
-		buf = map_sysmem(fdt_addr, 0);
-		switch (genimg_get_format(buf)) {
+		fdt_addr = map_to_sysmem(images->fit_hdr_os);
+		fdt_noffset = fit_get_node_from_config(images, FIT_FDT_PROP,
+						       fdt_addr);
+		if (fdt_noffset == -ENOENT)
+			return -ENOPKG;
+		else if (fdt_noffset < 0)
+			return fdt_noffset;
+	}
+#endif
+	debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
+	      fdt_addr);
+
+	/*
+	 * Check if there is an FDT image at the
+	 * address provided in the second bootm argument
+	 * check image type, for FIT images get a FIT node.
+	 */
+	buf = map_sysmem(fdt_addr, 0);
+	switch (genimg_get_format(buf)) {
 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-		case IMAGE_FORMAT_LEGACY:
+	case IMAGE_FORMAT_LEGACY: {
+			const image_header_t *fdt_hdr;
+			ulong load, load_end;
+			ulong image_start, image_data, image_end;
+
 			/* verify fdt_addr points to a valid image header */
 			printf("## Flattened Device Tree from Legacy Image at %08lx\n",
 			       fdt_addr);
 			fdt_hdr = image_get_fdt(fdt_addr);
 			if (!fdt_hdr)
-				goto no_fdt;
+				return -ENOPKG;
 
 			/*
 			 * move image data to the load address,
@@ -386,7 +359,7 @@ int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
 
 			if ((load < image_end) && (load_end > image_start)) {
 				fdt_error("fdt overwritten");
-				goto error;
+				return -EFAULT;
 			}
 
 			debug("   Loading FDT from 0x%08lx to 0x%08lx\n",
@@ -398,25 +371,26 @@ int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
 
 			fdt_addr = load;
 			break;
+		}
 #endif
-		case IMAGE_FORMAT_FIT:
-			/*
-			 * This case will catch both: new uImage format
-			 * (libfdt based) and raw FDT blob (also libfdt
-			 * based).
-			 */
+	case IMAGE_FORMAT_FIT:
+		/*
+		 * This case will catch both: new uImage format
+		 * (libfdt based) and raw FDT blob (also libfdt
+		 * based).
+		 */
 #if CONFIG_IS_ENABLED(FIT)
 			/* check FDT blob vs FIT blob */
 			if (!fit_check_format(buf, IMAGE_SIZE_INVAL)) {
 				ulong load, len;
 
-				fdt_noffset = boot_get_fdt_fit(images,
-					fdt_addr, &fit_uname_fdt,
-					&fit_uname_config,
-					arch, &load, &len);
+				fdt_noffset = boot_get_fdt_fit(images, fdt_addr,
+							       &fit_uname_fdt,
+							       &fit_uname_config,
+							       arch, &load, &len);
 
 				if (fdt_noffset < 0)
-					goto error;
+					return -ENOENT;
 
 				images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
 				images->fit_uname_fdt = fit_uname_fdt;
@@ -424,22 +398,73 @@ int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
 				fdt_addr = load;
 
 				break;
-			} else
+		} else
 #endif
-			{
-				/*
-				 * FDT blob
-				 */
-				debug("*  fdt: raw FDT blob\n");
-				printf("## Flattened Device Tree blob at %08lx\n",
-				       (long)fdt_addr);
-			}
-			break;
-		default:
-			puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
-			goto error;
+		{
+			/*
+			 * FDT blob
+			 */
+			debug("*  fdt: raw FDT blob\n");
+			printf("## Flattened Device Tree blob at %08lx\n",
+			       (long)fdt_addr);
 		}
+		break;
+	default:
+		puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
+		return -ENOENT;
+	}
+	*fdt_addrp = fdt_addr;
+
+	return 0;
+}
+
+/**
+ * boot_get_fdt - main fdt handling routine
+ * @argc: command argument count
+ * @argv: command argument list
+ * @arch: architecture (IH_ARCH_...)
+ * @images: pointer to the bootm images structure
+ * @of_flat_tree: pointer to a char* variable, will hold fdt start address
+ * @of_size: pointer to a ulong variable, will hold fdt length
+ *
+ * boot_get_fdt() is responsible for finding a valid flat device tree image.
+ * Currently supported are the following ramdisk sources:
+ *      - multicomponent kernel/ramdisk image,
+ *      - commandline provided address of decicated ramdisk image.
+ *
+ * returns:
+ *     0, if fdt image was found and valid, or skipped
+ *     of_flat_tree and of_size are set to fdt start address and length if
+ *     fdt image is found and valid
+ *
+ *     1, if fdt image is found but corrupted
+ *     of_flat_tree and of_size are set to 0 if no fdt exists
+ */
+int boot_get_fdt(int flag, int argc, char *const argv[], uint8_t arch,
+		 bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
+{
+	ulong		img_addr;
+	ulong		fdt_addr;
+	char		*fdt_blob = NULL;
+	void		*buf;
+	const char *select = NULL;
 
+	*of_flat_tree = NULL;
+	*of_size = 0;
+
+	img_addr = (argc == 0) ? image_load_addr : hextoul(argv[0], NULL);
+	buf = map_sysmem(img_addr, 0);
+
+	if (argc > 2)
+		select = argv[2];
+	if (select || genimg_has_config(images)) {
+		int ret;
+
+		ret = select_fdt(images, select, arch, &fdt_addr);
+		if (ret == -ENOPKG)
+			goto no_fdt;
+		else if (ret)
+			return 1;
 		printf("   Booting using the fdt blob at %#08lx\n", fdt_addr);
 		fdt_blob = map_sysmem(fdt_addr, 0);
 	} else if (images->legacy_hdr_valid &&
@@ -582,7 +607,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 	/* Append PStore configuration */
 	fdt_fixup_pstore(blob);
 #endif
-	if (IMAGE_OF_BOARD_SETUP) {
+	if (IS_ENABLED(CONFIG_OF_BOARD_SETUP)) {
 		const char *skip_board_fixup;
 
 		skip_board_fixup = env_get("skip_board_fixup");
@@ -597,7 +622,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 			}
 		}
 	}
-	if (IMAGE_OF_SYSTEM_SETUP) {
+	if (IS_ENABLED(CONFIG_OF_SYSTEM_SETUP)) {
 		fdt_ret = ft_system_setup(blob, gd->bd);
 		if (fdt_ret) {
 			printf("ERROR: system-specific fdt fixup failed: %s\n",
@@ -629,7 +654,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 		goto err;
 
 #if defined(CONFIG_ARCH_KEYSTONE)
-	if (IMAGE_OF_BOARD_SETUP)
+	if (IS_ENABLED(CONFIG_OF_BOARD_SETUP))
 		ft_board_setup_ex(blob, gd->bd);
 #endif
 
diff --git a/common/image-fit-sig.c b/common/image-fit-sig.c
index b979cd2..4edebbf 100644
--- a/common/image-fit-sig.c
+++ b/common/image-fit-sig.c
@@ -49,10 +49,8 @@ struct image_region *fit_region_make_list(const void *fit,
 	 * Use malloc() except in SPL (to save code size). In SPL the caller
 	 * must allocate the array.
 	 */
-#ifndef CONFIG_SPL_BUILD
-	if (!region)
+	if (!IS_ENABLED(CONFIG_SPL_BUILD) && !region)
 		region = calloc(sizeof(*region), count);
-#endif
 	if (!region)
 		return NULL;
 	for (i = 0; i < count; i++) {
@@ -72,11 +70,10 @@ static int fit_image_setup_verify(struct image_sign_info *info,
 	char *algo_name;
 	const char *padding_name;
 
-	if (fdt_totalsize(fit) > CONFIG_FIT_SIGNATURE_MAX_SIZE) {
+	if (fdt_totalsize(fit) > CONFIG_VAL(FIT_SIGNATURE_MAX_SIZE)) {
 		*err_msgp = "Total size too large";
 		return 1;
 	}
-
 	if (fit_image_hash_get_algo(fit, noffset, &algo_name)) {
 		*err_msgp = "Can't get hash algo property";
 		return -1;
diff --git a/common/image-fit.c b/common/image-fit.c
index 5a0a0cc..33b4a46 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -170,7 +170,6 @@ int fit_get_subimage_count(const void *fit, int images_noffset)
 	return count;
 }
 
-#if CONFIG_IS_ENABLED(FIT_PRINT) || CONFIG_IS_ENABLED(SPL_FIT_PRINT)
 /**
  * fit_image_print_data() - prints out the hash node details
  * @fit: pointer to the FIT format image header
@@ -380,6 +379,9 @@ void fit_print_contents(const void *fit)
 	const char *p;
 	time_t timestamp;
 
+	if (!CONFIG_IS_ENABLED(FIT_PRINT))
+		return;
+
 	/* Indent string is defined in header image.h */
 	p = IMAGE_INDENT_STRING;
 
@@ -482,6 +484,9 @@ void fit_image_print(const void *fit, int image_noffset, const char *p)
 	int ndepth;
 	int ret;
 
+	if (!CONFIG_IS_ENABLED(FIT_PRINT))
+		return;
+
 	/* Mandatory properties */
 	ret = fit_get_desc(fit, image_noffset, &desc);
 	printf("%s  Description:  ", p);
@@ -509,7 +514,7 @@ void fit_image_print(const void *fit, int image_noffset, const char *p)
 
 	ret = fit_image_get_data_and_size(fit, image_noffset, &data, &size);
 
-	if (!host_build()) {
+	if (!tools_build()) {
 		printf("%s  Data Start:   ", p);
 		if (ret) {
 			printf("unavailable\n");
@@ -575,10 +580,6 @@ void fit_image_print(const void *fit, int image_noffset, const char *p)
 		}
 	}
 }
-#else
-void fit_print_contents(const void *fit) { }
-void fit_image_print(const void *fit, int image_noffset, const char *p) { }
-#endif /* CONFIG_IS_ENABLED(FIR_PRINT) || CONFIG_IS_ENABLED(SPL_FIT_PRINT) */
 
 /**
  * fit_get_desc - get node description property
@@ -1277,7 +1278,7 @@ static int fit_image_check_hash(const void *fit, int noffset, const void *data,
 	}
 	printf("%s", algo);
 
-	if (IMAGE_ENABLE_IGNORE) {
+	if (!tools_build()) {
 		fit_image_hash_get_ignore(fit, noffset, &ignore);
 		if (ignore) {
 			printf("-skipped ");
@@ -1845,7 +1846,7 @@ int fit_conf_get_node(const void *fit, const char *conf_uname)
 	if (conf_uname == NULL) {
 		/* get configuration unit name from the default property */
 		debug("No configuration specified, trying default...\n");
-		if (!host_build() && IS_ENABLED(CONFIG_MULTI_DTB_FIT)) {
+		if (!tools_build() && IS_ENABLED(CONFIG_MULTI_DTB_FIT)) {
 			noffset = fit_find_config_node(fit);
 			if (noffset < 0)
 				return noffset;
@@ -2008,9 +2009,6 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
 	int type_ok, os_ok;
 	ulong load, load_end, data, len;
 	uint8_t os, comp;
-#ifndef USE_HOSTCC
-	uint8_t os_arch;
-#endif
 	const char *prop_name;
 	int ret;
 
@@ -2093,7 +2091,7 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
 	}
 
 	bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
-	if (!host_build() && IS_ENABLED(CONFIG_SANDBOX)) {
+	if (!tools_build() && IS_ENABLED(CONFIG_SANDBOX)) {
 		if (!fit_image_check_target_arch(fit, noffset)) {
 			puts("Unsupported Architecture\n");
 			bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
@@ -2102,8 +2100,12 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
 	}
 
 #ifndef USE_HOSTCC
+	{
+	uint8_t os_arch;
+
 	fit_image_get_arch(fit, noffset, &os_arch);
 	images->os.arch = os_arch;
+	}
 #endif
 
 	bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
@@ -2158,7 +2160,7 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
 	}
 
 	/* perform any post-processing on the image data */
-	if (!host_build() && IS_ENABLED(CONFIG_FIT_IMAGE_POST_PROCESS))
+	if (!tools_build() && IS_ENABLED(CONFIG_FIT_IMAGE_POST_PROCESS))
 		board_fit_image_post_process(fit, noffset, &buf, &size);
 
 	len = (ulong)size;
diff --git a/common/image-host.c b/common/image-host.c
new file mode 100644
index 0000000..20a9521
--- /dev/null
+++ b/common/image-host.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Image code used by host tools (and not boards)
+ *
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <time.h>
+
+void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
+{
+	memmove(to, from, len);
+}
+
+void genimg_print_size(uint32_t size)
+{
+	printf("%d Bytes = %.2f KiB = %.2f MiB\n", size, (double)size / 1.024e3,
+	       (double)size / 1.048576e6);
+}
+
+void genimg_print_time(time_t timestamp)
+{
+	printf("%s", ctime(&timestamp));
+}
diff --git a/common/image-sig.c b/common/image-sig.c
index fa9407b..1aa0b58 100644
--- a/common/image-sig.c
+++ b/common/image-sig.c
@@ -9,6 +9,7 @@
 #include <asm/global_data.h>
 DECLARE_GLOBAL_DATA_PTR;
 #include <image.h>
+#include <relocate.h>
 #include <u-boot/ecdsa.h>
 #include <u-boot/rsa.h>
 #include <u-boot/hash-checksum.h>
@@ -56,17 +57,19 @@ struct checksum_algo *image_get_checksum_algo(const char *full_name)
 	int i;
 	const char *name;
 
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-	static bool done;
+	if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)) {
+		static bool done;
 
-	if (!done) {
-		done = true;
-		for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
-			checksum_algos[i].name += gd->reloc_off;
-			checksum_algos[i].calculate += gd->reloc_off;
+		if (!done) {
+			done = true;
+			for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
+				struct checksum_algo *algo = &checksum_algos[i];
+
+				MANUAL_RELOC(algo->name);
+				MANUAL_RELOC(algo->calculate);
+			}
 		}
 	}
-#endif
 
 	for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
 		name = checksum_algos[i].name;
@@ -84,18 +87,19 @@ struct crypto_algo *image_get_crypto_algo(const char *full_name)
 	struct crypto_algo *crypto, *end;
 	const char *name;
 
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-	static bool done;
-
-	if (!done) {
-		crypto = ll_entry_start(struct crypto_algo, cryptos);
-		end = ll_entry_end(struct crypto_algo, cryptos);
-		for (; crypto < end; crypto++) {
-			crypto->name += gd->reloc_off;
-			crypto->verify += gd->reloc_off;
+	if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)) {
+		static bool done;
+
+		if (!done) {
+			done = true;
+			crypto = ll_entry_start(struct crypto_algo, cryptos);
+			end = ll_entry_end(struct crypto_algo, cryptos);
+			for (; crypto < end; crypto++) {
+				MANUAL_RELOC(crypto->name);
+				MANUAL_RELOC(crypto->verify);
+			}
 		}
 	}
-#endif
 
 	/* Move name to after the comma */
 	name = strchr(full_name, ',');
diff --git a/common/image.c b/common/image.c
index 8ac5708..5b77113 100644
--- a/common/image.c
+++ b/common/image.c
@@ -8,32 +8,19 @@
 
 #ifndef USE_HOSTCC
 #include <common.h>
-#include <bootstage.h>
-#include <cpu_func.h>
 #include <env.h>
 #include <lmb.h>
 #include <log.h>
 #include <malloc.h>
-#include <asm/cache.h>
 #include <u-boot/crc.h>
-#include <watchdog.h>
 
 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 #include <status_led.h>
 #endif
 
-#include <rtc.h>
-
-#include <gzip.h>
-#include <image.h>
-#include <lz4.h>
-#include <mapmem.h>
-
-#if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
+#if CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)
 #include <linux/libfdt.h>
 #include <fdt_support.h>
-#include <fpga.h>
-#include <xilinx.h>
 #endif
 
 #include <asm/global_data.h>
@@ -42,13 +29,6 @@
 #include <linux/errno.h>
 #include <asm/io.h>
 
-#include <bzlib.h>
-#include <linux/lzo.h>
-#include <lzma/LzmaTypes.h>
-#include <lzma/LzmaDec.h>
-#include <lzma/LzmaTools.h>
-#include <linux/zstd.h>
-
 #ifdef CONFIG_CMD_BDI
 extern int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 		     char *const argv[]);
@@ -56,27 +36,41 @@ extern int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
-						int verify);
-#endif
+/* Set this if we have less than 4 MB of malloc() space */
+#if CONFIG_SYS_MALLOC_LEN < (4096 * 1024)
+#define CONSERVE_MEMORY		true
 #else
+#define CONSERVE_MEMORY		false
+#endif
+
+#else /* USE_HOSTCC */
 #include "mkimage.h"
 #include <u-boot/md5.h>
 #include <time.h>
-#include <image.h>
 
 #ifndef __maybe_unused
 # define __maybe_unused		/* unimplemented */
 #endif
+
+#define CONSERVE_MEMORY		false
+
 #endif /* !USE_HOSTCC*/
 
-#include <u-boot/crc.h>
+#include <abuf.h>
+#include <bzlib.h>
+#include <display_options.h>
+#include <gzip.h>
+#include <image.h>
+#include <lz4.h>
 #include <imximage.h>
-
-#ifndef CONFIG_SYS_BARGSIZE
-#define CONFIG_SYS_BARGSIZE 512
-#endif
+#include <relocate.h>
+#include <linux/lzo.h>
+#include <linux/zstd.h>
+#include <linux/kconfig.h>
+#include <lzma/LzmaTypes.h>
+#include <lzma/LzmaDec.h>
+#include <lzma/LzmaTools.h>
+#include <u-boot/crc.h>
 
 static const table_entry_t uimage_arch[] = {
 	{	IH_ARCH_INVALID,	"invalid",	"Invalid ARCH",	},
@@ -445,7 +439,7 @@ int image_decomp(int comp, ulong load, ulong image_start, int type,
 		 void *load_buf, void *image_buf, ulong image_len,
 		 uint unc_len, ulong *load_end)
 {
-	int ret = 0;
+	int ret = -ENOSYS;
 
 	*load_end = load;
 	print_decomp_msg(comp, type, load == image_start);
@@ -457,6 +451,7 @@ int image_decomp(int comp, ulong load, ulong image_start, int type,
 	 */
 	switch (comp) {
 	case IH_COMP_NONE:
+		ret = 0;
 		if (load == image_start)
 			break;
 		if (image_len <= unc_len)
@@ -464,336 +459,74 @@ int image_decomp(int comp, ulong load, ulong image_start, int type,
 		else
 			ret = -ENOSPC;
 		break;
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(GZIP)
-	case IH_COMP_GZIP: {
-		ret = gunzip(load_buf, unc_len, image_buf, &image_len);
+	case IH_COMP_GZIP:
+		if (!tools_build() && CONFIG_IS_ENABLED(GZIP))
+			ret = gunzip(load_buf, unc_len, image_buf, &image_len);
 		break;
-	}
-#endif /* CONFIG_GZIP */
-#endif
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(BZIP2)
-	case IH_COMP_BZIP2: {
-		uint size = unc_len;
-
-		/*
-		 * If we've got less than 4 MB of malloc() space,
-		 * use slower decompression algorithm which requires
-		 * at most 2300 KB of memory.
-		 */
-		ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
-			image_buf, image_len,
-			CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
-		image_len = size;
-		break;
-	}
-#endif /* CONFIG_BZIP2 */
-#endif
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(LZMA)
-	case IH_COMP_LZMA: {
-		SizeT lzma_len = unc_len;
+	case IH_COMP_BZIP2:
+		if (!tools_build() && CONFIG_IS_ENABLED(BZIP2)) {
+			uint size = unc_len;
 
-		ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
-					       image_buf, image_len);
-		image_len = lzma_len;
+			/*
+			 * If we've got less than 4 MB of malloc() space,
+			 * use slower decompression algorithm which requires
+			 * at most 2300 KB of memory.
+			 */
+			ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
+				image_buf, image_len, CONSERVE_MEMORY, 0);
+			image_len = size;
+		}
 		break;
-	}
-#endif /* CONFIG_LZMA */
-#endif
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(LZO)
-	case IH_COMP_LZO: {
-		size_t size = unc_len;
+	case IH_COMP_LZMA:
+		if (!tools_build() && CONFIG_IS_ENABLED(LZMA)) {
+			SizeT lzma_len = unc_len;
 
-		ret = lzop_decompress(image_buf, image_len, load_buf, &size);
-		image_len = size;
+			ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
+						       image_buf, image_len);
+			image_len = lzma_len;
+		}
 		break;
-	}
-#endif /* CONFIG_LZO */
-#endif
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(LZ4)
-	case IH_COMP_LZ4: {
-		size_t size = unc_len;
+	case IH_COMP_LZO:
+		if (!tools_build() && CONFIG_IS_ENABLED(LZO)) {
+			size_t size = unc_len;
 
-		ret = ulz4fn(image_buf, image_len, load_buf, &size);
-		image_len = size;
-		break;
-	}
-#endif /* CONFIG_LZ4 */
-#endif
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(ZSTD)
-	case IH_COMP_ZSTD: {
-		size_t size = unc_len;
-		ZSTD_DStream *dstream;
-		ZSTD_inBuffer in_buf;
-		ZSTD_outBuffer out_buf;
-		void *workspace;
-		size_t wsize;
-
-		wsize = ZSTD_DStreamWorkspaceBound(image_len);
-		workspace = malloc(wsize);
-		if (!workspace) {
-			debug("%s: cannot allocate workspace of size %zu\n", __func__,
-			      wsize);
-			return -1;
+			ret = lzop_decompress(image_buf, image_len, load_buf, &size);
+			image_len = size;
 		}
+		break;
+	case IH_COMP_LZ4:
+		if (!tools_build() && CONFIG_IS_ENABLED(LZ4)) {
+			size_t size = unc_len;
 
-		dstream = ZSTD_initDStream(image_len, workspace, wsize);
-		if (!dstream) {
-			printf("%s: ZSTD_initDStream failed\n", __func__);
-			return ZSTD_getErrorCode(ret);
+			ret = ulz4fn(image_buf, image_len, load_buf, &size);
+			image_len = size;
 		}
-
-		in_buf.src = image_buf;
-		in_buf.pos = 0;
-		in_buf.size = image_len;
-
-		out_buf.dst = load_buf;
-		out_buf.pos = 0;
-		out_buf.size = size;
-
-		while (1) {
-			size_t ret;
-
-			ret = ZSTD_decompressStream(dstream, &out_buf, &in_buf);
-			if (ZSTD_isError(ret)) {
-				printf("%s: ZSTD_decompressStream error %d\n", __func__,
-				       ZSTD_getErrorCode(ret));
-				return ZSTD_getErrorCode(ret);
+		break;
+	case IH_COMP_ZSTD:
+		if (!tools_build() && CONFIG_IS_ENABLED(ZSTD)) {
+			struct abuf in, out;
+
+			abuf_init_set(&in, image_buf, image_len);
+			abuf_init_set(&in, load_buf, unc_len);
+			ret = zstd_decompress(&in, &out);
+			if (ret >= 0) {
+				image_len = ret;
+				ret = 0;
 			}
-
-			if (in_buf.pos >= image_len || !ret)
-				break;
 		}
-
-		image_len = out_buf.pos;
-
 		break;
 	}
-#endif /* CONFIG_ZSTD */
-#endif
-	default:
+	if (ret == -ENOSYS) {
 		printf("Unimplemented compression type %d\n", comp);
-		return -ENOSYS;
+		return ret;
 	}
+	if (ret)
+		return ret;
 
 	*load_end = load + image_len;
 
-	return ret;
-}
-
-
-#ifndef USE_HOSTCC
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-/**
- * image_get_ramdisk - get and verify ramdisk image
- * @rd_addr: ramdisk image start address
- * @arch: expected ramdisk architecture
- * @verify: checksum verification flag
- *
- * image_get_ramdisk() returns a pointer to the verified ramdisk image
- * header. Routine receives image start address and expected architecture
- * flag. Verification done covers data and header integrity and os/type/arch
- * fields checking.
- *
- * returns:
- *     pointer to a ramdisk image header, if image was found and valid
- *     otherwise, return NULL
- */
-static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
-						int verify)
-{
-	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
-
-	if (!image_check_magic(rd_hdr)) {
-		puts("Bad Magic Number\n");
-		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
-		return NULL;
-	}
-
-	if (!image_check_hcrc(rd_hdr)) {
-		puts("Bad Header Checksum\n");
-		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
-		return NULL;
-	}
-
-	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
-	image_print_contents(rd_hdr);
-
-	if (verify) {
-		puts("   Verifying Checksum ... ");
-		if (!image_check_dcrc(rd_hdr)) {
-			puts("Bad Data CRC\n");
-			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
-			return NULL;
-		}
-		puts("OK\n");
-	}
-
-	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
-
-	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
-	    !image_check_arch(rd_hdr, arch) ||
-	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
-		printf("No Linux %s Ramdisk Image\n",
-				genimg_get_arch_name(arch));
-		bootstage_error(BOOTSTAGE_ID_RAMDISK);
-		return NULL;
-	}
-
-	return rd_hdr;
-}
-#endif
-#endif /* !USE_HOSTCC */
-
-/*****************************************************************************/
-/* Shared dual-format routines */
-/*****************************************************************************/
-#ifndef USE_HOSTCC
-ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
-ulong image_save_addr;			/* Default Save Address */
-ulong image_save_size;			/* Default Save Size (in bytes) */
-
-static int on_loadaddr(const char *name, const char *value, enum env_op op,
-	int flags)
-{
-	switch (op) {
-	case env_op_create:
-	case env_op_overwrite:
-		image_load_addr = hextoul(value, NULL);
-		break;
-	default:
-		break;
-	}
-
 	return 0;
 }
-U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
-
-ulong env_get_bootm_low(void)
-{
-	char *s = env_get("bootm_low");
-	if (s) {
-		ulong tmp = hextoul(s, NULL);
-		return tmp;
-	}
-
-#if defined(CONFIG_SYS_SDRAM_BASE)
-	return CONFIG_SYS_SDRAM_BASE;
-#elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV)
-	return gd->bd->bi_dram[0].start;
-#else
-	return 0;
-#endif
-}
-
-phys_size_t env_get_bootm_size(void)
-{
-	phys_size_t tmp, size;
-	phys_addr_t start;
-	char *s = env_get("bootm_size");
-	if (s) {
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
-		return tmp;
-	}
-
-	start = gd->ram_base;
-	size = gd->ram_size;
-
-	if (start + size > gd->ram_top)
-		size = gd->ram_top - start;
-
-	s = env_get("bootm_low");
-	if (s)
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
-	else
-		tmp = start;
-
-	return size - (tmp - start);
-}
-
-phys_size_t env_get_bootm_mapsize(void)
-{
-	phys_size_t tmp;
-	char *s = env_get("bootm_mapsize");
-	if (s) {
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
-		return tmp;
-	}
-
-#if defined(CONFIG_SYS_BOOTMAPSZ)
-	return CONFIG_SYS_BOOTMAPSZ;
-#else
-	return env_get_bootm_size();
-#endif
-}
-
-void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
-{
-	if (to == from)
-		return;
-
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-	if (to > from) {
-		from += len;
-		to += len;
-	}
-	while (len > 0) {
-		size_t tail = (len > chunksz) ? chunksz : len;
-		WATCHDOG_RESET();
-		if (to > from) {
-			to -= tail;
-			from -= tail;
-		}
-		memmove(to, from, tail);
-		if (to < from) {
-			to += tail;
-			from += tail;
-		}
-		len -= tail;
-	}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-	memmove(to, from, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
-}
-#else	/* USE_HOSTCC */
-void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
-{
-	memmove(to, from, len);
-}
-#endif /* !USE_HOSTCC */
-
-void genimg_print_size(uint32_t size)
-{
-#ifndef USE_HOSTCC
-	printf("%d Bytes = ", size);
-	print_size(size, "\n");
-#else
-	printf("%d Bytes = %.2f KiB = %.2f MiB\n",
-			size, (double)size / 1.024e3,
-			(double)size / 1.048576e6);
-#endif
-}
-
-#if IMAGE_ENABLE_TIMESTAMP
-void genimg_print_time(time_t timestamp)
-{
-#ifndef USE_HOSTCC
-	struct rtc_time tm;
-
-	rtc_to_tm(timestamp, &tm);
-	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
-			tm.tm_year, tm.tm_mon, tm.tm_mday,
-			tm.tm_hour, tm.tm_min, tm.tm_sec);
-#else
-	printf("%s", ctime(&timestamp));
-#endif
-}
-#endif
 
 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
 {
@@ -833,11 +566,7 @@ const char *genimg_get_cat_name(enum ih_category category, uint id)
 	entry = get_table_entry(table_info[category].table, id);
 	if (!entry)
 		return unknown_msg(category);
-#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
-	return entry->lname;
-#else
-	return entry->lname + gd->reloc_off;
-#endif
+	return manual_reloc(entry->lname);
 }
 
 /**
@@ -857,11 +586,7 @@ const char *genimg_get_cat_short_name(enum ih_category category, uint id)
 	entry = get_table_entry(table_info[category].table, id);
 	if (!entry)
 		return unknown_msg(category);
-#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
-	return entry->sname;
-#else
-	return entry->sname + gd->reloc_off;
-#endif
+	return manual_reloc(entry->sname);
 }
 
 int genimg_get_cat_count(enum ih_category category)
@@ -911,11 +636,7 @@ char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
 	table = get_table_entry(table, id);
 	if (!table)
 		return msg;
-#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
-	return table->lname;
-#else
-	return table->lname + gd->reloc_off;
-#endif
+	return manual_reloc(table->lname);
 }
 
 const char *genimg_get_os_name(uint8_t os)
@@ -945,11 +666,7 @@ static const char *genimg_get_short_name(const table_entry_t *table, int val)
 	table = get_table_entry(table, val);
 	if (!table)
 		return "unknown";
-#if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
-	return table->sname;
-#else
-	return table->sname + gd->reloc_off;
-#endif
+	return manual_reloc(table->sname);
 }
 
 const char *genimg_get_type_short_name(uint8_t type)
@@ -992,12 +709,8 @@ int get_table_entry_id(const table_entry_t *table,
 	const table_entry_t *t;
 
 	for (t = table; t->id >= 0; ++t) {
-#ifdef CONFIG_NEEDS_MANUAL_RELOC
-		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
-#else
-		if (t->sname && strcasecmp(t->sname, name) == 0)
-#endif
-			return (t->id);
+		if (t->sname && !strcasecmp(manual_reloc(t->sname), name))
+			return t->id;
 	}
 	debug("Invalid %s Type: %s\n", table_name, name);
 
@@ -1023,733 +736,3 @@ int genimg_get_comp_id(const char *name)
 {
 	return (get_table_entry_id(uimage_comp, "Compression", name));
 }
-
-#ifndef USE_HOSTCC
-/**
- * genimg_get_kernel_addr_fit - get the real kernel address and return 2
- *                              FIT strings
- * @img_addr: a string might contain real image address
- * @fit_uname_config: double pointer to a char, will hold pointer to a
- *                    configuration unit name
- * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
- *                    name
- *
- * genimg_get_kernel_addr_fit get the real kernel start address from a string
- * which is normally the first argv of bootm/bootz
- *
- * returns:
- *     kernel start address
- */
-ulong genimg_get_kernel_addr_fit(char * const img_addr,
-			     const char **fit_uname_config,
-			     const char **fit_uname_kernel)
-{
-	ulong kernel_addr;
-
-	/* find out kernel image address */
-	if (!img_addr) {
-		kernel_addr = image_load_addr;
-		debug("*  kernel: default image load address = 0x%08lx\n",
-		      image_load_addr);
-#if CONFIG_IS_ENABLED(FIT)
-	} else if (fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
-				  fit_uname_config)) {
-		debug("*  kernel: config '%s' from image at 0x%08lx\n",
-		      *fit_uname_config, kernel_addr);
-	} else if (fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
-				     fit_uname_kernel)) {
-		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
-		      *fit_uname_kernel, kernel_addr);
-#endif
-	} else {
-		kernel_addr = hextoul(img_addr, NULL);
-		debug("*  kernel: cmdline image address = 0x%08lx\n",
-		      kernel_addr);
-	}
-
-	return kernel_addr;
-}
-
-/**
- * genimg_get_kernel_addr() is the simple version of
- * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
- */
-ulong genimg_get_kernel_addr(char * const img_addr)
-{
-	const char *fit_uname_config = NULL;
-	const char *fit_uname_kernel = NULL;
-
-	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
-					  &fit_uname_kernel);
-}
-
-/**
- * genimg_get_format - get image format type
- * @img_addr: image start address
- *
- * genimg_get_format() checks whether provided address points to a valid
- * legacy or FIT image.
- *
- * New uImage format and FDT blob are based on a libfdt. FDT blob
- * may be passed directly or embedded in a FIT image. In both situations
- * genimg_get_format() must be able to dectect libfdt header.
- *
- * returns:
- *     image format type or IMAGE_FORMAT_INVALID if no image is present
- */
-int genimg_get_format(const void *img_addr)
-{
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-	const image_header_t *hdr;
-
-	hdr = (const image_header_t *)img_addr;
-	if (image_check_magic(hdr))
-		return IMAGE_FORMAT_LEGACY;
-#endif
-#if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
-	if (fdt_check_header(img_addr) == 0)
-		return IMAGE_FORMAT_FIT;
-#endif
-#ifdef CONFIG_ANDROID_BOOT_IMAGE
-	if (android_image_check_header(img_addr) == 0)
-		return IMAGE_FORMAT_ANDROID;
-#endif
-
-	return IMAGE_FORMAT_INVALID;
-}
-
-/**
- * fit_has_config - check if there is a valid FIT configuration
- * @images: pointer to the bootm command headers structure
- *
- * fit_has_config() checks if there is a FIT configuration in use
- * (if FTI support is present).
- *
- * returns:
- *     0, no FIT support or no configuration found
- *     1, configuration found
- */
-int genimg_has_config(bootm_headers_t *images)
-{
-#if IMAGE_ENABLE_FIT
-	if (images->fit_uname_cfg)
-		return 1;
-#endif
-	return 0;
-}
-
-/**
- * boot_get_ramdisk - main ramdisk handling routine
- * @argc: command argument count
- * @argv: command argument list
- * @images: pointer to the bootm images structure
- * @arch: expected ramdisk architecture
- * @rd_start: pointer to a ulong variable, will hold ramdisk start address
- * @rd_end: pointer to a ulong variable, will hold ramdisk end
- *
- * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
- * Curently supported are the following ramdisk sources:
- *      - multicomponent kernel/ramdisk image,
- *      - commandline provided address of decicated ramdisk image.
- *
- * returns:
- *     0, if ramdisk image was found and valid, or skiped
- *     rd_start and rd_end are set to ramdisk start/end addresses if
- *     ramdisk image is found and valid
- *
- *     1, if ramdisk image is found but corrupted, or invalid
- *     rd_start and rd_end are set to 0 if no ramdisk exists
- */
-int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
-		     uint8_t arch, ulong *rd_start, ulong *rd_end)
-{
-	ulong rd_addr, rd_load;
-	ulong rd_data, rd_len;
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-	const image_header_t *rd_hdr;
-#endif
-	void *buf;
-#ifdef CONFIG_SUPPORT_RAW_INITRD
-	char *end;
-#endif
-#if IMAGE_ENABLE_FIT
-	const char	*fit_uname_config = images->fit_uname_cfg;
-	const char	*fit_uname_ramdisk = NULL;
-	ulong		default_addr;
-	int		rd_noffset;
-#endif
-	const char *select = NULL;
-
-	*rd_start = 0;
-	*rd_end = 0;
-
-#ifdef CONFIG_ANDROID_BOOT_IMAGE
-	/*
-	 * Look for an Android boot image.
-	 */
-	buf = map_sysmem(images->os.start, 0);
-	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
-		select = (argc == 0) ? env_get("loadaddr") : argv[0];
-#endif
-
-	if (argc >= 2)
-		select = argv[1];
-
-	/*
-	 * Look for a '-' which indicates to ignore the
-	 * ramdisk argument
-	 */
-	if (select && strcmp(select, "-") ==  0) {
-		debug("## Skipping init Ramdisk\n");
-		rd_len = rd_data = 0;
-	} else if (select || genimg_has_config(images)) {
-#if IMAGE_ENABLE_FIT
-		if (select) {
-			/*
-			 * If the init ramdisk comes from the FIT image and
-			 * the FIT image address is omitted in the command
-			 * line argument, try to use os FIT image address or
-			 * default load address.
-			 */
-			if (images->fit_uname_os)
-				default_addr = (ulong)images->fit_hdr_os;
-			else
-				default_addr = image_load_addr;
-
-			if (fit_parse_conf(select, default_addr,
-					   &rd_addr, &fit_uname_config)) {
-				debug("*  ramdisk: config '%s' from image at "
-						"0x%08lx\n",
-						fit_uname_config, rd_addr);
-			} else if (fit_parse_subimage(select, default_addr,
-						&rd_addr, &fit_uname_ramdisk)) {
-				debug("*  ramdisk: subimage '%s' from image at "
-						"0x%08lx\n",
-						fit_uname_ramdisk, rd_addr);
-			} else
-#endif
-			{
-				rd_addr = hextoul(select, NULL);
-				debug("*  ramdisk: cmdline image address = "
-						"0x%08lx\n",
-						rd_addr);
-			}
-#if IMAGE_ENABLE_FIT
-		} else {
-			/* use FIT configuration provided in first bootm
-			 * command argument. If the property is not defined,
-			 * quit silently.
-			 */
-			rd_addr = map_to_sysmem(images->fit_hdr_os);
-			rd_noffset = fit_get_node_from_config(images,
-					FIT_RAMDISK_PROP, rd_addr);
-			if (rd_noffset == -ENOENT)
-				return 0;
-			else if (rd_noffset < 0)
-				return 1;
-		}
-#endif
-
-		/*
-		 * Check if there is an initrd image at the
-		 * address provided in the second bootm argument
-		 * check image type, for FIT images get FIT node.
-		 */
-		buf = map_sysmem(rd_addr, 0);
-		switch (genimg_get_format(buf)) {
-#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
-		case IMAGE_FORMAT_LEGACY:
-			printf("## Loading init Ramdisk from Legacy "
-					"Image at %08lx ...\n", rd_addr);
-
-			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
-			rd_hdr = image_get_ramdisk(rd_addr, arch,
-							images->verify);
-
-			if (rd_hdr == NULL)
-				return 1;
-
-			rd_data = image_get_data(rd_hdr);
-			rd_len = image_get_data_size(rd_hdr);
-			rd_load = image_get_load(rd_hdr);
-			break;
-#endif
-#if IMAGE_ENABLE_FIT
-		case IMAGE_FORMAT_FIT:
-			rd_noffset = fit_image_load(images,
-					rd_addr, &fit_uname_ramdisk,
-					&fit_uname_config, arch,
-					IH_TYPE_RAMDISK,
-					BOOTSTAGE_ID_FIT_RD_START,
-					FIT_LOAD_OPTIONAL_NON_ZERO,
-					&rd_data, &rd_len);
-			if (rd_noffset < 0)
-				return 1;
-
-			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
-			images->fit_uname_rd = fit_uname_ramdisk;
-			images->fit_noffset_rd = rd_noffset;
-			break;
-#endif
-#ifdef CONFIG_ANDROID_BOOT_IMAGE
-		case IMAGE_FORMAT_ANDROID:
-			android_image_get_ramdisk((void *)images->os.start,
-				&rd_data, &rd_len);
-			break;
-#endif
-		default:
-#ifdef CONFIG_SUPPORT_RAW_INITRD
-			end = NULL;
-			if (select)
-				end = strchr(select, ':');
-			if (end) {
-				rd_len = hextoul(++end, NULL);
-				rd_data = rd_addr;
-			} else
-#endif
-			{
-				puts("Wrong Ramdisk Image Format\n");
-				rd_data = rd_len = rd_load = 0;
-				return 1;
-			}
-		}
-	} else if (images->legacy_hdr_valid &&
-			image_check_type(&images->legacy_hdr_os_copy,
-						IH_TYPE_MULTI)) {
-
-		/*
-		 * Now check if we have a legacy mult-component image,
-		 * get second entry data start address and len.
-		 */
-		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
-		printf("## Loading init Ramdisk from multi component "
-				"Legacy Image at %08lx ...\n",
-				(ulong)images->legacy_hdr_os);
-
-		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
-	} else {
-		/*
-		 * no initrd image
-		 */
-		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
-		rd_len = rd_data = 0;
-	}
-
-	if (!rd_data) {
-		debug("## No init Ramdisk\n");
-	} else {
-		*rd_start = rd_data;
-		*rd_end = rd_data + rd_len;
-	}
-	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
-			*rd_start, *rd_end);
-
-	return 0;
-}
-
-#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
-/**
- * boot_ramdisk_high - relocate init ramdisk
- * @lmb: pointer to lmb handle, will be used for memory mgmt
- * @rd_data: ramdisk data start address
- * @rd_len: ramdisk data length
- * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
- *      start address (after possible relocation)
- * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
- *      end address (after possible relocation)
- *
- * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
- * variable and if requested ramdisk data is moved to a specified location.
- *
- * Initrd_start and initrd_end are set to final (after relocation) ramdisk
- * start/end addresses if ramdisk image start and len were provided,
- * otherwise set initrd_start and initrd_end set to zeros.
- *
- * returns:
- *      0 - success
- *     -1 - failure
- */
-int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
-		  ulong *initrd_start, ulong *initrd_end)
-{
-	char	*s;
-	ulong	initrd_high;
-	int	initrd_copy_to_ram = 1;
-
-	s = env_get("initrd_high");
-	if (s) {
-		/* a value of "no" or a similar string will act like 0,
-		 * turning the "load high" feature off. This is intentional.
-		 */
-		initrd_high = hextoul(s, NULL);
-		if (initrd_high == ~0)
-			initrd_copy_to_ram = 0;
-	} else {
-		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
-	}
-
-
-	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
-			initrd_high, initrd_copy_to_ram);
-
-	if (rd_data) {
-		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
-			debug("   in-place initrd\n");
-			*initrd_start = rd_data;
-			*initrd_end = rd_data + rd_len;
-			lmb_reserve(lmb, rd_data, rd_len);
-		} else {
-			if (initrd_high)
-				*initrd_start = (ulong)lmb_alloc_base(lmb,
-						rd_len, 0x1000, initrd_high);
-			else
-				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
-								 0x1000);
-
-			if (*initrd_start == 0) {
-				puts("ramdisk - allocation error\n");
-				goto error;
-			}
-			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
-
-			*initrd_end = *initrd_start + rd_len;
-			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
-					*initrd_start, *initrd_end);
-
-			memmove_wd((void *)*initrd_start,
-					(void *)rd_data, rd_len, CHUNKSZ);
-
-#ifdef CONFIG_MP
-			/*
-			 * Ensure the image is flushed to memory to handle
-			 * AMP boot scenarios in which we might not be
-			 * HW cache coherent
-			 */
-			flush_cache((unsigned long)*initrd_start,
-				    ALIGN(rd_len, ARCH_DMA_MINALIGN));
-#endif
-			puts("OK\n");
-		}
-	} else {
-		*initrd_start = 0;
-		*initrd_end = 0;
-	}
-	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
-			*initrd_start, *initrd_end);
-
-	return 0;
-
-error:
-	return -1;
-}
-#endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
-
-int boot_get_setup(bootm_headers_t *images, uint8_t arch,
-		   ulong *setup_start, ulong *setup_len)
-{
-#if IMAGE_ENABLE_FIT
-	return boot_get_setup_fit(images, arch, setup_start, setup_len);
-#else
-	return -ENOENT;
-#endif
-}
-
-#if IMAGE_ENABLE_FIT
-#if defined(CONFIG_FPGA)
-int boot_get_fpga(int argc, char *const argv[], bootm_headers_t *images,
-		  uint8_t arch, const ulong *ld_start, ulong * const ld_len)
-{
-	ulong tmp_img_addr, img_data, img_len;
-	void *buf;
-	int conf_noffset;
-	int fit_img_result;
-	const char *uname, *name;
-	int err;
-	int devnum = 0; /* TODO support multi fpga platforms */
-
-	/* Check to see if the images struct has a FIT configuration */
-	if (!genimg_has_config(images)) {
-		debug("## FIT configuration was not specified\n");
-		return 0;
-	}
-
-	/*
-	 * Obtain the os FIT header from the images struct
-	 */
-	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
-	buf = map_sysmem(tmp_img_addr, 0);
-	/*
-	 * Check image type. For FIT images get FIT node
-	 * and attempt to locate a generic binary.
-	 */
-	switch (genimg_get_format(buf)) {
-	case IMAGE_FORMAT_FIT:
-		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
-
-		uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
-					   NULL);
-		if (!uname) {
-			debug("## FPGA image is not specified\n");
-			return 0;
-		}
-		fit_img_result = fit_image_load(images,
-						tmp_img_addr,
-						(const char **)&uname,
-						&(images->fit_uname_cfg),
-						arch,
-						IH_TYPE_FPGA,
-						BOOTSTAGE_ID_FPGA_INIT,
-						FIT_LOAD_OPTIONAL_NON_ZERO,
-						&img_data, &img_len);
-
-		debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
-		      uname, img_data, img_len);
-
-		if (fit_img_result < 0) {
-			/* Something went wrong! */
-			return fit_img_result;
-		}
-
-		if (!fpga_is_partial_data(devnum, img_len)) {
-			name = "full";
-			err = fpga_loadbitstream(devnum, (char *)img_data,
-						 img_len, BIT_FULL);
-			if (err)
-				err = fpga_load(devnum, (const void *)img_data,
-						img_len, BIT_FULL);
-		} else {
-			name = "partial";
-			err = fpga_loadbitstream(devnum, (char *)img_data,
-						 img_len, BIT_PARTIAL);
-			if (err)
-				err = fpga_load(devnum, (const void *)img_data,
-						img_len, BIT_PARTIAL);
-		}
-
-		if (err)
-			return err;
-
-		printf("   Programming %s bitstream... OK\n", name);
-		break;
-	default:
-		printf("The given image format is not supported (corrupt?)\n");
-		return 1;
-	}
-
-	return 0;
-}
-#endif
-
-static void fit_loadable_process(uint8_t img_type,
-				 ulong img_data,
-				 ulong img_len)
-{
-	int i;
-	const unsigned int count =
-			ll_entry_count(struct fit_loadable_tbl, fit_loadable);
-	struct fit_loadable_tbl *fit_loadable_handler =
-			ll_entry_start(struct fit_loadable_tbl, fit_loadable);
-	/* For each loadable handler */
-	for (i = 0; i < count; i++, fit_loadable_handler++)
-		/* matching this type */
-		if (fit_loadable_handler->type == img_type)
-			/* call that handler with this image data */
-			fit_loadable_handler->handler(img_data, img_len);
-}
-
-int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
-		      uint8_t arch, const ulong *ld_start, ulong * const ld_len)
-{
-	/*
-	 * These variables are used to hold the current image location
-	 * in system memory.
-	 */
-	ulong tmp_img_addr;
-	/*
-	 * These two variables are requirements for fit_image_load, but
-	 * their values are not used
-	 */
-	ulong img_data, img_len;
-	void *buf;
-	int loadables_index;
-	int conf_noffset;
-	int fit_img_result;
-	const char *uname;
-	uint8_t img_type;
-
-	/* Check to see if the images struct has a FIT configuration */
-	if (!genimg_has_config(images)) {
-		debug("## FIT configuration was not specified\n");
-		return 0;
-	}
-
-	/*
-	 * Obtain the os FIT header from the images struct
-	 */
-	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
-	buf = map_sysmem(tmp_img_addr, 0);
-	/*
-	 * Check image type. For FIT images get FIT node
-	 * and attempt to locate a generic binary.
-	 */
-	switch (genimg_get_format(buf)) {
-	case IMAGE_FORMAT_FIT:
-		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
-
-		for (loadables_index = 0;
-		     uname = fdt_stringlist_get(buf, conf_noffset,
-					FIT_LOADABLE_PROP, loadables_index,
-					NULL), uname;
-		     loadables_index++)
-		{
-			fit_img_result = fit_image_load(images,
-				tmp_img_addr,
-				&uname,
-				&(images->fit_uname_cfg), arch,
-				IH_TYPE_LOADABLE,
-				BOOTSTAGE_ID_FIT_LOADABLE_START,
-				FIT_LOAD_OPTIONAL_NON_ZERO,
-				&img_data, &img_len);
-			if (fit_img_result < 0) {
-				/* Something went wrong! */
-				return fit_img_result;
-			}
-
-			fit_img_result = fit_image_get_node(buf, uname);
-			if (fit_img_result < 0) {
-				/* Something went wrong! */
-				return fit_img_result;
-			}
-			fit_img_result = fit_image_get_type(buf,
-							    fit_img_result,
-							    &img_type);
-			if (fit_img_result < 0) {
-				/* Something went wrong! */
-				return fit_img_result;
-			}
-
-			fit_loadable_process(img_type, img_data, img_len);
-		}
-		break;
-	default:
-		printf("The given image format is not supported (corrupt?)\n");
-		return 1;
-	}
-
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_SYS_BOOT_GET_CMDLINE
-/**
- * boot_get_cmdline - allocate and initialize kernel cmdline
- * @lmb: pointer to lmb handle, will be used for memory mgmt
- * @cmd_start: pointer to a ulong variable, will hold cmdline start
- * @cmd_end: pointer to a ulong variable, will hold cmdline end
- *
- * boot_get_cmdline() allocates space for kernel command line below
- * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
- * variable is present its contents is copied to allocated kernel
- * command line.
- *
- * returns:
- *      0 - success
- *     -1 - failure
- */
-int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
-{
-	char *cmdline;
-	char *s;
-
-	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
-				env_get_bootm_mapsize() + env_get_bootm_low());
-
-	if (cmdline == NULL)
-		return -1;
-
-	s = env_get("bootargs");
-	if (!s)
-		s = "";
-
-	strcpy(cmdline, s);
-
-	*cmd_start = (ulong) & cmdline[0];
-	*cmd_end = *cmd_start + strlen(cmdline);
-
-	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
-
-	return 0;
-}
-#endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
-
-#ifdef CONFIG_SYS_BOOT_GET_KBD
-/**
- * boot_get_kbd - allocate and initialize kernel copy of board info
- * @lmb: pointer to lmb handle, will be used for memory mgmt
- * @kbd: double pointer to board info data
- *
- * boot_get_kbd() allocates space for kernel copy of board info data below
- * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
- * with the current u-boot board info data.
- *
- * returns:
- *      0 - success
- *     -1 - failure
- */
-int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd)
-{
-	*kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb,
-						       sizeof(struct bd_info),
-						       0xf,
-						       env_get_bootm_mapsize() + env_get_bootm_low());
-	if (*kbd == NULL)
-		return -1;
-
-	**kbd = *(gd->bd);
-
-	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
-
-#if defined(DEBUG) && defined(CONFIG_CMD_BDI)
-	do_bdinfo(NULL, 0, 0, NULL);
-#endif
-
-	return 0;
-}
-#endif /* CONFIG_SYS_BOOT_GET_KBD */
-
-#ifdef CONFIG_LMB
-int image_setup_linux(bootm_headers_t *images)
-{
-	ulong of_size = images->ft_len;
-	char **of_flat_tree = &images->ft_addr;
-	struct lmb *lmb = &images->lmb;
-	int ret;
-
-	if (IMAGE_ENABLE_OF_LIBFDT)
-		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
-
-	if (IMAGE_BOOT_GET_CMDLINE) {
-		ret = boot_get_cmdline(lmb, &images->cmdline_start,
-				&images->cmdline_end);
-		if (ret) {
-			puts("ERROR with allocation of cmdline\n");
-			return ret;
-		}
-	}
-
-	if (IMAGE_ENABLE_OF_LIBFDT) {
-		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
-		if (ret)
-			return ret;
-	}
-
-	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
-		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-#endif /* CONFIG_LMB */
-#endif /* !USE_HOSTCC */
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 8a8a971..17ce2f6 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -419,7 +419,8 @@ config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
 
 config SPL_CRC32
 	bool "Support CRC32"
-	default y if SPL_LEGACY_IMAGE_SUPPORT
+	default y if SPL_LEGACY_IMAGE_SUPPORT || SPL_EFI_PARTITION
+	default y if SPL_ENV_SUPPORT || TPL_BLOBLIST
 	help
 	  Enable this to support CRC32 in uImages or FIT images within SPL.
 	  This is a 32-bit checksum value that can be used to verify images.
@@ -1419,6 +1420,16 @@ config TPL_BOOTROM_SUPPORT
 	  BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
 	  boot device list, if not implemented for a given board)
 
+config TPL_CRC32
+	bool "Support CRC32 in TPL"
+	default y if TPL_ENV_SUPPORT || TPL_BLOBLIST
+	help
+	  Enable this to support CRC32 in uImages or FIT images within SPL.
+	  This is a 32-bit checksum value that can be used to verify images.
+	  For FIT images, this is the least secure type of checksum, suitable
+	  for detected accidental image corruption. For secure applications you
+	  should consider SHA1 or SHA256.
+
 config TPL_DRIVERS_MISC
 	bool "Support misc drivers in TPL"
 	help
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index f1067b9..d601677 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -56,6 +56,7 @@ CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MEM_SEARCH=y
 CONFIG_CMD_MX_CYCLIC=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_UNZIP=y
 CONFIG_CMD_BIND=y
 CONFIG_CMD_DEMO=y
 CONFIG_CMD_GPIO=y
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 23efefa..7adfbb0 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -6,6 +6,7 @@
  */
 
 #include "btrfs.h"
+#include <abuf.h>
 #include <log.h>
 #include <malloc.h>
 #include <linux/lzo.h>
@@ -136,54 +137,12 @@ static u32 decompress_zlib(const u8 *_cbuf, u32 clen, u8 *dbuf, u32 dlen)
 
 static u32 decompress_zstd(const u8 *cbuf, u32 clen, u8 *dbuf, u32 dlen)
 {
-	ZSTD_DStream *dstream;
-	ZSTD_inBuffer in_buf;
-	ZSTD_outBuffer out_buf;
-	void *workspace;
-	size_t wsize;
-	u32 res = -1;
-
-	wsize = ZSTD_DStreamWorkspaceBound(ZSTD_BTRFS_MAX_INPUT);
-	workspace = malloc(wsize);
-	if (!workspace) {
-		debug("%s: cannot allocate workspace of size %zu\n", __func__,
-		      wsize);
-		return -1;
-	}
-
-	dstream = ZSTD_initDStream(ZSTD_BTRFS_MAX_INPUT, workspace, wsize);
-	if (!dstream) {
-		printf("%s: ZSTD_initDStream failed\n", __func__);
-		goto err_free;
-	}
+	struct abuf in, out;
 
-	in_buf.src = cbuf;
-	in_buf.pos = 0;
-	in_buf.size = clen;
+	abuf_init_set(&in, (u8 *)cbuf, clen);
+	abuf_init_set(&out, dbuf, dlen);
 
-	out_buf.dst = dbuf;
-	out_buf.pos = 0;
-	out_buf.size = dlen;
-
-	while (1) {
-		size_t ret;
-
-		ret = ZSTD_decompressStream(dstream, &out_buf, &in_buf);
-		if (ZSTD_isError(ret)) {
-			printf("%s: ZSTD_decompressStream error %d\n", __func__,
-			       ZSTD_getErrorCode(ret));
-			goto err_free;
-		}
-
-		if (in_buf.pos >= clen || !ret)
-			break;
-	}
-
-	res = out_buf.pos;
-
-err_free:
-	free(workspace);
-	return res;
+	return zstd_decompress(&in, &out);
 }
 
 u32 btrfs_decompress(u8 type, const char *c, u32 clen, char *d, u32 dlen)
diff --git a/include/abuf.h b/include/abuf.h
new file mode 100644
index 0000000..d230f72
--- /dev/null
+++ b/include/abuf.h
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Handles a buffer that can be allocated and freed
+ *
+ * Copyright 2021 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef __ABUF_H
+#define __ABUF_H
+
+#include <linux/types.h>
+
+/**
+ * struct abuf - buffer that can be allocated and freed
+ *
+ * This is useful for a block of data which may be allocated with malloc(), or
+ * not, so that it needs to be freed correctly when finished with.
+ *
+ * For now it has a very simple purpose.
+ *
+ * Using memset() to zero all fields is guaranteed to be equivalent to
+ * abuf_init().
+ *
+ * @data: Pointer to data
+ * @size: Size of data in bytes
+ * @alloced: true if allocated with malloc(), so must be freed after use
+ */
+struct abuf {
+	void *data;
+	size_t size;
+	bool alloced;
+};
+
+static inline void *abuf_data(const struct abuf *abuf)
+{
+	return abuf->data;
+}
+
+static inline size_t abuf_size(const struct abuf *abuf)
+{
+	return abuf->size;
+}
+
+/**
+ * abuf_set() - set the (unallocated) data in a buffer
+ *
+ * This simply makes the abuf point to the supplied data, which must be live
+ * for the lifetime of the abuf. It is not alloced.
+ *
+ * Any existing data in the abuf is freed and the alloced member is set to
+ * false.
+ *
+ * @abuf: abuf to adjust
+ * @data: New contents of abuf
+ * @size: New size of abuf
+ */
+void abuf_set(struct abuf *abuf, void *data, size_t size);
+
+/**
+ * abuf_map_sysmem() - calls map_sysmem() to set up an abuf
+ *
+ * This is equivalent to abuf_set(abuf, map_sysmem(addr, size), size)
+ *
+ * Any existing data in the abuf is freed and the alloced member is set to
+ * false.
+ *
+ * @abuf: abuf to adjust
+ * @addr: Address to set the abuf to
+ * @size: New size of abuf
+ */
+void abuf_map_sysmem(struct abuf *abuf, ulong addr, size_t size);
+
+/**
+ * abuf_realloc() - Change the size of a buffer
+ *
+ * This uses realloc() to change the size of the buffer, with the same semantics
+ * as that function. If the abuf is not currently alloced, then it will alloc
+ * it if the size needs to increase (i.e. set the alloced member to true)
+ *
+ * @abuf: abuf to adjust
+ * @new_size: new size in bytes.
+ *	if 0, the abuf is freed
+ *	if greater than the current size, the abuf is extended and the new
+ *	   space is not inited. The alloced member is set to true
+ *	if less than the current size, the abuf is contracted and the data at
+ *	   the end is lost. If @new_size is 0, this sets the alloced member to
+ *	   false
+ * @return true if OK, false if out of memory
+ */
+bool abuf_realloc(struct abuf *abuf, size_t new_size);
+
+/**
+ * abuf_uninit_move() - Return the allocated contents and uninit the abuf
+ *
+ * This returns the abuf data to the caller, allocating it if necessary, so that
+ * the caller receives data that it can be sure will hang around. The caller is
+ * responsible for freeing the data.
+ *
+ * If the abuf has allocated data, it is returned. If the abuf has data but it
+ * is not allocated, then it is first allocated, then returned.
+ *
+ * If the abuf size is 0, this returns NULL
+ *
+ * The abuf is uninited as part of this, except if the allocation fails, in
+ * which NULL is returned and the abuf remains untouched.
+ *
+ * The abuf must be inited before this can be called.
+ *
+ * @abuf: abuf to uninit
+ * @sizep: if non-NULL, returns the size of the returned data
+ * @return data contents, allocated with malloc(), or NULL if the data could not
+ *	be allocated, or the data size is 0
+ */
+void *abuf_uninit_move(struct abuf *abuf, size_t *sizep);
+
+/**
+ * abuf_init_move() - Make abuf take over the management of an allocated region
+ *
+ * After this, @data must not be used. All access must be via the abuf.
+ *
+ * @abuf: abuf to init
+ * @data: Existing allocated buffer to place in the abuf
+ * @size: Size of allocated buffer
+ */
+void abuf_init_move(struct abuf *abuf, void *data, size_t size);
+
+/**
+ * abuf_init_set() - Set up a new abuf
+ *
+ * Inits a new abuf and sets up its (unallocated) data
+ *
+ * @abuf: abuf to set up
+ * @data: New contents of abuf
+ * @size: New size of abuf
+ */
+void abuf_init_set(struct abuf *abuf, void *data, size_t size);
+
+/**
+ * abuf_uninit() - Free any memory used by an abuf
+ *
+ * The buffer must be inited before this can be called.
+ *
+ * @abuf: abuf to uninit
+ */
+void abuf_uninit(struct abuf *abuf);
+
+/**
+ * abuf_init() - Set up a new abuf
+ *
+ * This initially has no data and alloced is set to false. This is equivalent to
+ * setting all fields to 0, e.g. with memset(), so callers can do that instead
+ * if desired.
+ *
+ * @abuf: abuf to set up
+ */
+void abuf_init(struct abuf *abuf);
+
+#endif
diff --git a/include/compiler.h b/include/compiler.h
index 27b9843..8cf1179 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -68,6 +68,9 @@ typedef uint32_t __u32;
 typedef unsigned int uint;
 typedef unsigned long ulong;
 
+/* Define these on the host so we can build some target code */
+typedef __u32 u32;
+
 #define uswap_16(x) \
 	((((x) & 0xff00) >> 8) | \
 	 (((x) & 0x00ff) << 8))
@@ -151,7 +154,13 @@ typedef unsigned long int uintptr_t;
 #define MEM_SUPPORT_64BIT_DATA	0
 #endif
 
-static inline bool host_build(void) {
+/**
+ * tools_build() - check if we are building host tools
+ *
+ * @return true if building for the host, false if for a target
+ */
+static inline bool tools_build(void)
+{
 #ifdef USE_HOSTCC
 	return true;
 #else
diff --git a/include/fdt_support.h b/include/fdt_support.h
index 72a5b90..88d129c 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -7,7 +7,7 @@
 #ifndef __FDT_SUPPORT_H
 #define __FDT_SUPPORT_H
 
-#ifdef CONFIG_OF_LIBFDT
+#if defined(CONFIG_OF_LIBFDT) && !defined(USE_HOSTCC)
 
 #include <asm/u-boot.h>
 #include <linux/libfdt.h>
diff --git a/include/gzip.h b/include/gzip.h
index 783acbb..cb4db3d 100644
--- a/include/gzip.h
+++ b/include/gzip.h
@@ -54,11 +54,11 @@ int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
  *	gzwrite_progress_finish called at end of loop to
  *		indicate success (retcode=0) or failure
  */
-void gzwrite_progress_init(u64 expected_size);
+void gzwrite_progress_init(ulong expected_size);
 
-void gzwrite_progress(int iteration, u64 bytes_written, u64 total_bytes);
+void gzwrite_progress(int iteration, ulong bytes_written, ulong total_bytes);
 
-void gzwrite_progress_finish(int retcode, u64 totalwritten, u64 totalsize,
+void gzwrite_progress_finish(int retcode, ulong totalwritten, ulong totalsize,
 			     u32 expected_crc, u32 calculated_crc);
 
 /**
@@ -74,7 +74,7 @@ void gzwrite_progress_finish(int retcode, u64 totalwritten, u64 totalsize,
  * @return 0 if OK, -1 on error
  */
 int gzwrite(unsigned char *src, int len, struct blk_desc *dev, ulong szwritebuf,
-	    u64 startoffs, u64 szexpected);
+	    ulong startoffs, ulong szexpected);
 
 /**
  * gzip()- Compress data into a buffer using the gzip algorithm
diff --git a/include/hash.h b/include/hash.h
index 97bb3ed..cfafbe7 100644
--- a/include/hash.h
+++ b/include/hash.h
@@ -6,13 +6,17 @@
 #ifndef _HASH_H
 #define _HASH_H
 
+#ifdef USE_HOSTCC
+#include <linux/kconfig.h>
+#endif
+
 struct cmd_tbl;
 
 /*
  * Maximum digest size for all algorithms we support. Having this value
  * avoids a malloc() or C99 local declaration in common/cmd_hash.c.
  */
-#if defined(CONFIG_SHA384) || defined(CONFIG_SHA512)
+#if CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512)
 #define HASH_MAX_DIGEST_SIZE	64
 #else
 #define HASH_MAX_DIGEST_SIZE	32
diff --git a/include/image.h b/include/image.h
index 73a763a..34d13ad 100644
--- a/include/image.h
+++ b/include/image.h
@@ -25,19 +25,8 @@ struct fdt_region;
 
 #ifdef USE_HOSTCC
 #include <sys/types.h>
+#include <linux/kconfig.h>
 
-/* new uImage format support enabled on host */
-#define IMAGE_ENABLE_FIT	1
-#define IMAGE_ENABLE_OF_LIBFDT	1
-#define CONFIG_FIT_VERBOSE	1 /* enable fit_format_{error,warning}() */
-#define CONFIG_FIT_RSASSA_PSS 1
-#define CONFIG_MD5
-#define CONFIG_SHA1
-#define CONFIG_SHA256
-#define CONFIG_SHA384
-#define CONFIG_SHA512
-
-#define IMAGE_ENABLE_IGNORE	0
 #define IMAGE_INDENT_STRING	""
 
 #else
@@ -47,38 +36,14 @@ struct fdt_region;
 #include <command.h>
 #include <linker_lists.h>
 
-/* Take notice of the 'ignore' property for hashes */
-#define IMAGE_ENABLE_IGNORE	1
 #define IMAGE_INDENT_STRING	"   "
 
-#define IMAGE_ENABLE_FIT	CONFIG_IS_ENABLED(FIT)
-#define IMAGE_ENABLE_OF_LIBFDT	CONFIG_IS_ENABLED(OF_LIBFDT)
-
 #endif /* USE_HOSTCC */
 
-#if IMAGE_ENABLE_FIT
 #include <hash.h>
 #include <linux/libfdt.h>
 #include <fdt_support.h>
-#endif /* IMAGE_ENABLE_FIT */
-
-#ifdef CONFIG_SYS_BOOT_GET_CMDLINE
-# define IMAGE_BOOT_GET_CMDLINE		1
-#else
-# define IMAGE_BOOT_GET_CMDLINE		0
-#endif
-
-#ifdef CONFIG_OF_BOARD_SETUP
-# define IMAGE_OF_BOARD_SETUP		1
-#else
-# define IMAGE_OF_BOARD_SETUP		0
-#endif
-
-#ifdef CONFIG_OF_SYSTEM_SETUP
-# define IMAGE_OF_SYSTEM_SETUP	1
-#else
-# define IMAGE_OF_SYSTEM_SETUP	0
-#endif
+#include <u-boot/hash-checksum.h>
 
 extern ulong image_load_addr;		/* Default Load Address */
 extern ulong image_save_addr;		/* Default Save Address */
@@ -333,7 +298,11 @@ typedef struct bootm_headers {
 	image_header_t	legacy_hdr_os_copy;	/* header copy */
 	ulong		legacy_hdr_valid;
 
-#if IMAGE_ENABLE_FIT
+	/*
+	 * The fit_ members are only used with FIT, but it involves a lot of
+	 * #ifdefs to avoid compiling that code. Since FIT is the standard
+	 * format, even for SPL, this extra data size seems worth it.
+	 */
 	const char	*fit_uname_cfg;	/* configuration node unit name */
 
 	void		*fit_hdr_os;	/* os FIT image header */
@@ -351,7 +320,6 @@ typedef struct bootm_headers {
 	void		*fit_hdr_setup;	/* x86 setup FIT image header */
 	const char	*fit_uname_setup; /* x86 setup subimage node name */
 	int		fit_noffset_setup;/* x86 setup subimage node offset */
-#endif
 
 #ifndef USE_HOSTCC
 	image_info_t	os;		/* os image info */
@@ -538,8 +506,7 @@ int genimg_get_type_id(const char *name);
 int genimg_get_comp_id(const char *name);
 void genimg_print_size(uint32_t size);
 
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \
-	defined(USE_HOSTCC)
+#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
 #define IMAGE_ENABLE_TIMESTAMP 1
 #else
 #define IMAGE_ENABLE_TIMESTAMP 0
@@ -557,12 +524,9 @@ enum fit_load_op {
 int boot_get_setup(bootm_headers_t *images, uint8_t arch, ulong *setup_start,
 		   ulong *setup_len);
 
-#ifndef USE_HOSTCC
 /* Image format types, returned by _get_format() routine */
 #define IMAGE_FORMAT_INVALID	0x00
-#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
 #define IMAGE_FORMAT_LEGACY	0x01	/* legacy image_header based format */
-#endif
 #define IMAGE_FORMAT_FIT	0x02	/* new, libfdt based format */
 #define IMAGE_FORMAT_ANDROID	0x03	/* Android boot image */
 
@@ -601,7 +565,6 @@ int boot_get_ramdisk(int argc, char *const argv[], bootm_headers_t *images,
  */
 int boot_get_loadable(int argc, char *const argv[], bootm_headers_t *images,
 		      uint8_t arch, const ulong *ld_start, ulong *const ld_len);
-#endif /* !USE_HOSTCC */
 
 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
 		       ulong *setup_start, ulong *setup_len);
@@ -678,7 +641,6 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
  */
 int image_source_script(ulong addr, const char *fit_uname);
 
-#ifndef USE_HOSTCC
 /**
  * fit_get_node_from_config() - Look up an image a FIT by type
  *
@@ -718,10 +680,7 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 		  ulong *initrd_start, ulong *initrd_end);
 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
-#ifdef CONFIG_SYS_BOOT_GET_KBD
 int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd);
-#endif /* CONFIG_SYS_BOOT_GET_KBD */
-#endif /* !USE_HOSTCC */
 
 /*******************************************************************/
 /* Legacy format specific code (prefixed with image_) */
@@ -836,11 +795,9 @@ static inline int image_check_type(const image_header_t *hdr, uint8_t type)
 }
 static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
 {
-#ifndef USE_HOSTCC
 	/* Let's assume that sandbox can load any architecture */
-	if (IS_ENABLED(CONFIG_SANDBOX))
+	if (!tools_build() && IS_ENABLED(CONFIG_SANDBOX))
 		return true;
-#endif
 	return (image_get_arch(hdr) == arch) ||
 		(image_get_arch(hdr) == IH_ARCH_ARM && arch == IH_ARCH_ARM64);
 }
@@ -988,7 +945,6 @@ int booti_setup(ulong image, ulong *relocated_addr, ulong *size,
 
 #define FIT_MAX_HASH_LEN	HASH_MAX_DIGEST_SIZE
 
-#if IMAGE_ENABLE_FIT
 /* cmdline argument format parsing */
 int fit_parse_conf(const char *spec, ulong addr_curr,
 		ulong *addr, const char **conf_name);
@@ -1162,7 +1118,6 @@ int fit_conf_get_prop_node(const void *fit, int noffset,
 
 int fit_check_ramdisk(const void *fit, int os_noffset,
 		uint8_t arch, int verify);
-#endif /* IMAGE_ENABLE_FIT */
 
 int calculate_hash(const void *data, int data_len, const char *algo,
 			uint8_t *value, int *value_len);
@@ -1185,7 +1140,6 @@ int calculate_hash(const void *data, int data_len, const char *algo,
 # define FIT_IMAGE_ENABLE_VERIFY	CONFIG_IS_ENABLED(FIT_SIGNATURE)
 #endif
 
-#if IMAGE_ENABLE_FIT
 #ifdef USE_HOSTCC
 void *image_get_host_blob(void);
 void image_set_host_blob(void *host_blob);
@@ -1194,8 +1148,6 @@ void image_set_host_blob(void *host_blob);
 # define gd_fdt_blob()		(gd->fdt_blob)
 #endif
 
-#endif /* IMAGE_ENABLE_FIT */
-
 /*
  * Information passed to the signing routines
  *
@@ -1232,9 +1184,6 @@ struct image_region {
 	int size;
 };
 
-#if FIT_IMAGE_ENABLE_VERIFY
-# include <u-boot/hash-checksum.h>
-#endif
 struct checksum_algo {
 	const char *name;
 	const int checksum_len;
@@ -1244,7 +1193,7 @@ struct checksum_algo {
 	const EVP_MD *(*calculate_sign)(void);
 #endif
 	int (*calculate)(const char *name,
-			 const struct image_region region[],
+			 const struct image_region *region,
 			 int region_count, uint8_t *checksum);
 };
 
@@ -1340,8 +1289,6 @@ struct crypto_algo *image_get_crypto_algo(const char *full_name);
  */
 struct padding_algo *image_get_padding_algo(const char *name);
 
-#if IMAGE_ENABLE_FIT
-
 /**
  * fit_image_verify_required_sigs() - Verify signatures marked as 'required'
  *
@@ -1467,23 +1414,6 @@ int fit_image_cipher_get_algo(const void *fit, int noffset, char **algo);
 
 struct cipher_algo *image_get_cipher_algo(const char *full_name);
 
-#ifdef CONFIG_FIT_VERBOSE
-#define fit_unsupported(msg)	printf("! %s:%d " \
-				"FIT images not supported for '%s'\n", \
-				__FILE__, __LINE__, (msg))
-
-#define fit_unsupported_reset(msg)	printf("! %s:%d " \
-				"FIT images not supported for '%s' " \
-				"- must reset board to recover!\n", \
-				__FILE__, __LINE__, (msg))
-#else
-#define fit_unsupported(msg)
-#define fit_unsupported_reset(msg)
-#endif /* CONFIG_FIT_VERBOSE */
-#endif /* CONFIG_FIT */
-
-#if !defined(USE_HOSTCC)
-#if defined(CONFIG_ANDROID_BOOT_IMAGE)
 struct andr_img_hdr;
 int android_image_check_header(const struct andr_img_hdr *hdr);
 int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
@@ -1499,12 +1429,7 @@ ulong android_image_get_end(const struct andr_img_hdr *hdr);
 ulong android_image_get_kload(const struct andr_img_hdr *hdr);
 ulong android_image_get_kcomp(const struct andr_img_hdr *hdr);
 void android_print_contents(const struct andr_img_hdr *hdr);
-#if !defined(CONFIG_SPL_BUILD)
 bool android_image_print_dtb_contents(ulong hdr_addr);
-#endif
-
-#endif /* CONFIG_ANDROID_BOOT_IMAGE */
-#endif /* !USE_HOSTCC */
 
 /**
  * board_fit_config_name_match() - Check for a matching board name
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index d109ed3..a1d1a29 100644
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -31,11 +31,14 @@
 	(config_enabled(option))
 
 /*
- * U-Boot add-on: Helper macros to reference to different macros
- * (CONFIG_ or CONFIG_SPL_ prefixed), depending on the build context.
+ * U-Boot add-on: Helper macros to reference to different macros (prefixed by
+ * CONFIG_, CONFIG_SPL_, CONFIG_TPL_ or CONFIG_TOOLS_), depending on the build
+ * context.
  */
 
-#if defined(CONFIG_TPL_BUILD)
+#ifdef USE_HOSTCC
+#define _CONFIG_PREFIX TOOLS_
+#elif defined(CONFIG_TPL_BUILD)
 #define _CONFIG_PREFIX TPL_
 #elif defined(CONFIG_SPL_BUILD)
 #define _CONFIG_PREFIX SPL_
@@ -49,6 +52,7 @@
 
 /*
  * CONFIG_VAL(FOO) evaluates to the value of
+ *  CONFIG_TOOLS_FOO if USE_HOSTCC is defined,
  *  CONFIG_FOO if CONFIG_SPL_BUILD is undefined,
  *  CONFIG_SPL_FOO if CONFIG_SPL_BUILD is defined.
  *  CONFIG_TPL_FOO if CONFIG_TPL_BUILD is defined.
@@ -76,18 +80,21 @@
 
 /*
  * CONFIG_IS_ENABLED(FOO) expands to
+ *  1 if USE_HOSTCC is defined and CONFIG_TOOLS_FOO is set to 'y',
  *  1 if CONFIG_SPL_BUILD is undefined and CONFIG_FOO is set to 'y',
  *  1 if CONFIG_SPL_BUILD is defined and CONFIG_SPL_FOO is set to 'y',
  *  1 if CONFIG_TPL_BUILD is defined and CONFIG_TPL_FOO is set to 'y',
  *  0 otherwise.
  *
  * CONFIG_IS_ENABLED(FOO, (abc)) expands to
+ *  abc if USE_HOSTCC is defined and CONFIG_TOOLS_FOO is set to 'y',
  *  abc if CONFIG_SPL_BUILD is undefined and CONFIG_FOO is set to 'y',
  *  abc if CONFIG_SPL_BUILD is defined and CONFIG_SPL_FOO is set to 'y',
  *  abc if CONFIG_TPL_BUILD is defined and CONFIG_TPL_FOO is set to 'y',
  *  nothing otherwise.
  *
  * CONFIG_IS_ENABLED(FOO, (abc), (def)) expands to
+ *  abc if USE_HOSTCC is defined and CONFIG_TOOLS_FOO is set to 'y',
  *  abc if CONFIG_SPL_BUILD is undefined and CONFIG_FOO is set to 'y',
  *  abc if CONFIG_SPL_BUILD is defined and CONFIG_SPL_FOO is set to 'y',
  *  abc if CONFIG_TPL_BUILD is defined and CONFIG_TPL_FOO is set to 'y',
diff --git a/include/linux/string.h b/include/linux/string.h
index dd255f2..3169c93 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -129,6 +129,19 @@ extern void * memchr(const void *,int,__kernel_size_t);
 void *memchr_inv(const void *, int, size_t);
 #endif
 
+/**
+ * memdup() - allocate a buffer and copy in the contents
+ *
+ * Note that this returns a valid pointer even if @len is 0
+ *
+ * @src: data to copy in
+ * @len: number of bytes to copy
+ * @return allocated buffer with the copied contents, or NULL if not enough
+ *	memory is available
+ *
+ */
+char *memdup(const void *src, size_t len);
+
 unsigned long ustrtoul(const char *cp, char **endp, unsigned int base);
 unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base);
 
diff --git a/include/linux/zstd.h b/include/linux/zstd.h
index 724f693..35ba4c9 100644
--- a/include/linux/zstd.h
+++ b/include/linux/zstd.h
@@ -1144,4 +1144,15 @@ size_t ZSTD_decompressBlock(ZSTD_DCtx *dctx, void *dst, size_t dstCapacity,
 size_t ZSTD_insertBlock(ZSTD_DCtx *dctx, const void *blockStart,
 	size_t blockSize);
 
+struct abuf;
+
+/**
+ * zstd_decompress() - Decompress Zstandard data
+ *
+ * @in: Input buffer to decompress
+ * @out: Output buffer to hold the results (must be large enough)
+ * @return size of the decompressed data, or -ve on error
+ */
+int zstd_decompress(struct abuf *in, struct abuf *out);
+
 #endif  /* ZSTD_H */
diff --git a/include/relocate.h b/include/relocate.h
index 9ceeecd..26682da 100644
--- a/include/relocate.h
+++ b/include/relocate.h
@@ -7,7 +7,11 @@
 #ifndef _RELOCATE_H_
 #define _RELOCATE_H_
 
-#include <common.h>
+#ifndef USE_HOSTCC
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+#endif
 
 /**
  * copy_uboot_to_ram() - Copy U-Boot to its new relocated position
@@ -35,4 +39,28 @@ int clear_bss(void);
  */
 int do_elf_reloc_fixups(void);
 
+/**
+ * manual_reloc() - Manually relocate a pointer if needed
+ *
+ * This is a nop in almost all cases, except for the systems with a broken gcc
+ * which need to manually relocate some things.
+ *
+ * @ptr: Pointer to relocate
+ * @return new pointer value
+ */
+static inline void *manual_reloc(void *ptr)
+{
+#ifndef USE_HOSTCC
+	if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC))
+		return ptr + gd->reloc_off;
+#endif
+		return ptr;
+}
+
+#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
+#define MANUAL_RELOC(ptr)	(ptr) = manual_reloc(ptr)
+#else
+#define MANUAL_RELOC(ptr)	(void)(ptr)
+#endif
+
 #endif	/* _RELOCATE_H_ */
diff --git a/include/u-boot/hash-checksum.h b/include/u-boot/hash-checksum.h
index 54e6a73..7f16b37 100644
--- a/include/u-boot/hash-checksum.h
+++ b/include/u-boot/hash-checksum.h
@@ -7,11 +7,12 @@
 #define _RSA_CHECKSUM_H
 
 #include <errno.h>
-#include <image.h>
 #include <u-boot/sha1.h>
 #include <u-boot/sha256.h>
 #include <u-boot/sha512.h>
 
+struct image_region;
+
 /**
  * hash_calculate() - Calculate hash over the data
  *
@@ -23,7 +24,7 @@
  * @return 0 if OK, < 0 if error
  */
 int hash_calculate(const char *name,
-		   const struct image_region region[], int region_count,
+		   const struct image_region *region, int region_count,
 		   uint8_t *checksum);
 
 #endif
diff --git a/include/u-boot/rsa.h b/include/u-boot/rsa.h
index 89a9c4c..7556aa5 100644
--- a/include/u-boot/rsa.h
+++ b/include/u-boot/rsa.h
@@ -103,11 +103,9 @@ int padding_pkcs_15_verify(struct image_sign_info *info,
 			   uint8_t *msg, int msg_len,
 			   const uint8_t *hash, int hash_len);
 
-#ifdef CONFIG_FIT_RSASSA_PSS
 int padding_pss_verify(struct image_sign_info *info,
 		       uint8_t *msg, int msg_len,
 		       const uint8_t *hash, int hash_len);
-#endif /* CONFIG_FIT_RSASSA_PSS */
 
 #define RSA_DEFAULT_PADDING_NAME		"pkcs-1.5"
 
diff --git a/lib/Kconfig b/lib/Kconfig
index 034af72..70bf8e7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -373,7 +373,6 @@ config SHA256
 	  The SHA256 algorithm produces a 256-bit (32-byte) hash value
 	  (digest).
 
-
 config SHA512
 	bool "Enable SHA512 support"
 	help
@@ -399,6 +398,66 @@ config SHA_HW_ACCEL
 	  hashing algorithms. This affects the 'hash' command and also the
 	  hash_lookup_algo() function.
 
+if SPL
+
+config SPL_SHA1
+	bool "Enable SHA1 support in SPL"
+	default y if SHA1
+	help
+	  This option enables support of hashing using SHA1 algorithm.
+	  The hash is calculated in software.
+	  The SHA1 algorithm produces a 160-bit (20-byte) hash value
+	  (digest).
+
+config SPL_SHA256
+	bool "Enable SHA256 support in SPL"
+	default y if SHA256
+	help
+	  This option enables support of hashing using SHA256 algorithm.
+	  The hash is calculated in software.
+	  The SHA256 algorithm produces a 256-bit (32-byte) hash value
+	  (digest).
+
+config SPL_SHA512
+	bool "Enable SHA512 support in SPL"
+	default y if SHA512
+	help
+	  This option enables support of hashing using SHA512 algorithm.
+	  The hash is calculated in software.
+	  The SHA512 algorithm produces a 512-bit (64-byte) hash value
+	  (digest).
+
+config SPL_SHA384
+	bool "Enable SHA384 support in SPL"
+	default y if SHA384
+	select SPL_SHA512
+	help
+	  This option enables support of hashing using SHA384 algorithm.
+	  The hash is calculated in software. This is also selects SHA512,
+	  because these implementations share the bulk of the code..
+	  The SHA384 algorithm produces a 384-bit (48-byte) hash value
+	  (digest).
+
+config SPL_SHA_HW_ACCEL
+	bool "Enable hardware acceleration for SHA hash functions"
+	default y if SHA_HW_ACCEL
+	help
+	  This option enables hardware acceleration for the SHA1 and SHA256
+	  hashing algorithms. This affects the 'hash' command and also the
+	  hash_lookup_algo() function.
+
+config SPL_SHA_PROG_HW_ACCEL
+	bool "Enable Progressive hashing support using hardware in SPL"
+	depends on SHA_PROG_HW_ACCEL
+	default y
+	help
+	  This option enables hardware-acceleration for SHA progressive
+	  hashing.
+	  Data can be streamed in a block at a time and the hashing is
+	  performed in hardware.
+
+endif
+
 if SHA_HW_ACCEL
 
 config SHA512_HW_ACCEL
@@ -437,6 +496,11 @@ config SPL_MD5
 	  security applications, but it can be useful for providing a quick
 	  checksum of a block of data.
 
+config CRC32
+	def_bool y
+	help
+	  Enables CRC32 support in U-Boot. This is normally required.
+
 config CRC32C
 	bool
 
diff --git a/lib/Makefile b/lib/Makefile
index 962470f..5ddbc77 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -96,9 +96,7 @@ obj-y += display_options.o
 CFLAGS_display_options.o := $(if $(BUILD_TAG),-DBUILD_TAG='"$(BUILD_TAG)"')
 obj-$(CONFIG_BCH) += bch.o
 obj-$(CONFIG_MMC_SPI) += crc7.o
-#ifndef CONFIG_TPL_BUILD
-obj-y += crc32.o
-#endif
+obj-$(CONFIG_$(SPL_TPL_)CRC32) += crc32.o
 obj-$(CONFIG_CRC32C) += crc32c.o
 obj-y += ctype.o
 obj-y += div64.o
@@ -134,6 +132,7 @@ obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
 obj-$(CONFIG_SSCANF) += sscanf.o
 endif
 
+obj-y += abuf.o
 obj-y += date.o
 obj-y += rtc-lib.o
 obj-$(CONFIG_LIB_ELF) += elf.o
diff --git a/lib/abuf.c b/lib/abuf.c
new file mode 100644
index 0000000..4b17e0b
--- /dev/null
+++ b/lib/abuf.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Handles a buffer that can be allocated and freed
+ *
+ * Copyright 2021 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <abuf.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <string.h>
+
+void abuf_set(struct abuf *abuf, void *data, size_t size)
+{
+	abuf_uninit(abuf);
+	abuf->data = data;
+	abuf->size = size;
+}
+
+void abuf_map_sysmem(struct abuf *abuf, ulong addr, size_t size)
+{
+	abuf_set(abuf, map_sysmem(addr, size), size);
+}
+
+bool abuf_realloc(struct abuf *abuf, size_t new_size)
+{
+	void *ptr;
+
+	if (!new_size) {
+		/* easy case, just need to uninit, freeing any allocation */
+		abuf_uninit(abuf);
+		return true;
+	} else if (abuf->alloced) {
+		/* currently allocated, so need to reallocate */
+		ptr = realloc(abuf->data, new_size);
+		if (!ptr)
+			return false;
+		abuf->data = ptr;
+		abuf->size = new_size;
+		return true;
+	} else if (new_size <= abuf->size) {
+		/*
+		 * not currently alloced and new size is no larger. Just update
+		 * it. Data is lost off the end if new_size < abuf->size
+		 */
+		abuf->size = new_size;
+		return true;
+	} else {
+		/* not currently allocated and new size is larger. Alloc and
+		 * copy in data. The new space is not inited.
+		 */
+		ptr = memdup(abuf->data, new_size);
+		if (!ptr)
+			return false;
+		abuf->data = ptr;
+		abuf->size = new_size;
+		abuf->alloced = true;
+		return true;
+	}
+}
+
+void *abuf_uninit_move(struct abuf *abuf, size_t *sizep)
+{
+	void *ptr;
+
+	if (sizep)
+		*sizep = abuf->size;
+	if (!abuf->size)
+		return NULL;
+	if (abuf->alloced) {
+		ptr = abuf->data;
+	} else {
+		ptr = memdup(abuf->data, abuf->size);
+		if (!ptr)
+			return NULL;
+	}
+	/* Clear everything out so there is no record of the data */
+	abuf_init(abuf);
+
+	return ptr;
+}
+
+void abuf_init_set(struct abuf *abuf, void *data, size_t size)
+{
+	abuf_init(abuf);
+	abuf_set(abuf, data, size);
+}
+
+void abuf_init_move(struct abuf *abuf, void *data, size_t size)
+{
+	abuf_init_set(abuf, data, size);
+	abuf->alloced = true;
+}
+
+void abuf_uninit(struct abuf *abuf)
+{
+	if (abuf->alloced)
+		free(abuf->data);
+	abuf_init(abuf);
+}
+
+void abuf_init(struct abuf *abuf)
+{
+	abuf->data = NULL;
+	abuf->size = 0;
+	abuf->alloced = false;
+}
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index 3d5a5cd..83d584a6 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -336,7 +336,7 @@ config EFI_LOAD_FILE2_INITRD
 
 config EFI_SECURE_BOOT
 	bool "Enable EFI secure boot support"
-	depends on EFI_LOADER
+	depends on EFI_LOADER && FIT_SIGNATURE
 	select HASH
 	select SHA256
 	select RSA
diff --git a/lib/gunzip.c b/lib/gunzip.c
index bee3b92..a8e498d 100644
--- a/lib/gunzip.c
+++ b/lib/gunzip.c
@@ -84,32 +84,32 @@ int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
 
 #ifdef CONFIG_CMD_UNZIP
 __weak
-void gzwrite_progress_init(u64 expectedsize)
+void gzwrite_progress_init(ulong expectedsize)
 {
 	putc('\n');
 }
 
 __weak
 void gzwrite_progress(int iteration,
-		     u64 bytes_written,
-		     u64 total_bytes)
+		     ulong bytes_written,
+		     ulong total_bytes)
 {
 	if (0 == (iteration & 3))
-		printf("%llu/%llu\r", bytes_written, total_bytes);
+		printf("%lu/%lu\r", bytes_written, total_bytes);
 }
 
 __weak
 void gzwrite_progress_finish(int returnval,
-			     u64 bytes_written,
-			     u64 total_bytes,
+			     ulong bytes_written,
+			     ulong total_bytes,
 			     u32 expected_crc,
 			     u32 calculated_crc)
 {
 	if (0 == returnval) {
-		printf("\n\t%llu bytes, crc 0x%08x\n",
+		printf("\n\t%lu bytes, crc 0x%08x\n",
 		       total_bytes, calculated_crc);
 	} else {
-		printf("\n\tuncompressed %llu of %llu\n"
+		printf("\n\tuncompressed %lu of %lu\n"
 		       "\tcrcs == 0x%08x/0x%08x\n",
 		       bytes_written, total_bytes,
 		       expected_crc, calculated_crc);
@@ -119,15 +119,15 @@ void gzwrite_progress_finish(int returnval,
 int gzwrite(unsigned char *src, int len,
 	    struct blk_desc *dev,
 	    unsigned long szwritebuf,
-	    u64 startoffs,
-	    u64 szexpected)
+	    ulong startoffs,
+	    ulong szexpected)
 {
 	int i, flags;
 	z_stream s;
 	int r = 0;
 	unsigned char *writebuf;
 	unsigned crc = 0;
-	u64 totalfilled = 0;
+	ulong totalfilled = 0;
 	lbaint_t blksperbuf, outblock;
 	u32 expected_crc;
 	u32 payload_size;
@@ -142,7 +142,7 @@ int gzwrite(unsigned char *src, int len,
 	}
 
 	if (startoffs & (dev->blksz-1)) {
-		printf("%s: start offset %llu not a multiple of %lu\n",
+		printf("%s: start offset %lu not a multiple of %lu\n",
 		       __func__, startoffs, dev->blksz);
 		return -1;
 	}
@@ -182,12 +182,12 @@ int gzwrite(unsigned char *src, int len,
 	if (szexpected == 0) {
 		szexpected = le32_to_cpu(szuncompressed);
 	} else if (szuncompressed != (u32)szexpected) {
-		printf("size of %llx doesn't match trailer low bits %x\n",
+		printf("size of %lx doesn't match trailer low bits %x\n",
 		       szexpected, szuncompressed);
 		return -1;
 	}
 	if (lldiv(szexpected, dev->blksz) > (dev->lba - outblock)) {
-		printf("%s: uncompressed size %llu exceeds device size\n",
+		printf("%s: uncompressed size %lu exceeds device size\n",
 		       __func__, szexpected);
 		return -1;
 	}
diff --git a/lib/hash-checksum.c b/lib/hash-checksum.c
index d732ecc..8f2a42f 100644
--- a/lib/hash-checksum.c
+++ b/lib/hash-checksum.c
@@ -17,7 +17,7 @@
 #include <image.h>
 
 int hash_calculate(const char *name,
-		    const struct image_region region[],
+		    const struct image_region *region,
 		    int region_count, uint8_t *checksum)
 {
 	struct hash_algo *algo;
diff --git a/lib/lmb.c b/lib/lmb.c
index 7936477..676b3a0 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -153,7 +153,7 @@ static void lmb_reserve_common(struct lmb *lmb, void *fdt_blob)
 	arch_lmb_reserve(lmb);
 	board_lmb_reserve(lmb);
 
-	if (IMAGE_ENABLE_OF_LIBFDT && fdt_blob)
+	if (CONFIG_IS_ENABLED(OF_LIBFDT) && fdt_blob)
 		boot_fdt_add_mem_rsv_regions(lmb, fdt_blob);
 }
 
diff --git a/lib/rsa/rsa-sign.c b/lib/rsa/rsa-sign.c
index c27a784..0579e52 100644
--- a/lib/rsa/rsa-sign.c
+++ b/lib/rsa/rsa-sign.c
@@ -401,15 +401,14 @@ static int rsa_sign_with_key(EVP_PKEY *pkey, struct padding_algo *padding_algo,
 		goto err_sign;
 	}
 
-#ifdef CONFIG_FIT_RSASSA_PSS
-	if (padding_algo && !strcmp(padding_algo->name, "pss")) {
+	if (CONFIG_IS_ENABLED(FIT_RSASSA_PSS) && padding_algo &&
+	    !strcmp(padding_algo->name, "pss")) {
 		if (EVP_PKEY_CTX_set_rsa_padding(ckey,
 						 RSA_PKCS1_PSS_PADDING) <= 0) {
 			ret = rsa_err("Signer padding setup failed");
 			goto err_sign;
 		}
 	}
-#endif /* CONFIG_FIT_RSASSA_PSS */
 
 	for (i = 0; i < region_count; i++) {
 		if (!EVP_DigestSignUpdate(context, region[i].data,
diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index ad6d33d..600c93a 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -102,7 +102,7 @@ U_BOOT_PADDING_ALGO(pkcs_15) = {
 };
 #endif
 
-#ifdef CONFIG_FIT_RSASSA_PSS
+#if CONFIG_IS_ENABLED(FIT_RSASSA_PSS)
 static void u32_i2osp(uint32_t val, uint8_t *buf)
 {
 	buf[0] = (uint8_t)((val >> 24) & 0xff);
@@ -313,7 +313,6 @@ U_BOOT_PADDING_ALGO(pss) = {
 
 #endif
 
-#if CONFIG_IS_ENABLED(FIT_SIGNATURE) || CONFIG_IS_ENABLED(RSA_VERIFY_WITH_PKEY)
 /**
  * rsa_verify_key() - Verify a signature against some data using RSA Key
  *
@@ -385,9 +384,7 @@ static int rsa_verify_key(struct image_sign_info *info,
 
 	return 0;
 }
-#endif
 
-#if CONFIG_IS_ENABLED(RSA_VERIFY_WITH_PKEY)
 /**
  * rsa_verify_with_pkey() - Verify a signature against some data using
  * only modulus and exponent as RSA key properties.
@@ -408,6 +405,9 @@ int rsa_verify_with_pkey(struct image_sign_info *info,
 	struct key_prop *prop;
 	int ret;
 
+	if (!CONFIG_IS_ENABLED(RSA_VERIFY_WITH_PKEY))
+		return -EACCES;
+
 	/* Public key is self-described to fill key_prop */
 	ret = rsa_gen_key_prop(info->key, info->keylen, &prop);
 	if (ret) {
@@ -422,13 +422,6 @@ int rsa_verify_with_pkey(struct image_sign_info *info,
 
 	return ret;
 }
-#else
-int rsa_verify_with_pkey(struct image_sign_info *info,
-			 const void *hash, uint8_t *sig, uint sig_len)
-{
-	return -EACCES;
-}
-#endif
 
 #if CONFIG_IS_ENABLED(FIT_SIGNATURE)
 /**
diff --git a/lib/string.c b/lib/string.c
index ba176fb..78bd65c 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -659,6 +659,19 @@ void * memscan(void * addr, int c, size_t size)
 }
 #endif
 
+char *memdup(const void *src, size_t len)
+{
+	char *p;
+
+	p = malloc(len);
+	if (!p)
+		return NULL;
+
+	memcpy(p, src, len);
+
+	return p;
+}
+
 #ifndef __HAVE_ARCH_STRSTR
 /**
  * strstr - Find the first substring in a %NUL terminated string
diff --git a/lib/zstd/Makefile b/lib/zstd/Makefile
index 33c1df4..1217089 100644
--- a/lib/zstd/Makefile
+++ b/lib/zstd/Makefile
@@ -1,4 +1,4 @@
 obj-y += zstd_decompress.o
 
 zstd_decompress-y := huf_decompress.o decompress.o \
-		     entropy_common.o fse_decompress.o zstd_common.o
+		     entropy_common.o fse_decompress.o zstd_common.o zstd.o
diff --git a/lib/zstd/zstd.c b/lib/zstd/zstd.c
new file mode 100644
index 0000000..bf9cd19
--- /dev/null
+++ b/lib/zstd/zstd.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Google LLC
+ */
+
+#define LOG_CATEGORY	LOGC_BOOT
+
+#include <common.h>
+#include <abuf.h>
+#include <log.h>
+#include <malloc.h>
+#include <linux/zstd.h>
+
+int zstd_decompress(struct abuf *in, struct abuf *out)
+{
+	ZSTD_DStream *dstream;
+	ZSTD_inBuffer in_buf;
+	ZSTD_outBuffer out_buf;
+	void *workspace;
+	size_t wsize;
+	int ret;
+
+	wsize = ZSTD_DStreamWorkspaceBound(abuf_size(in));
+	workspace = malloc(wsize);
+	if (!workspace) {
+		debug("%s: cannot allocate workspace of size %zu\n", __func__,
+			wsize);
+		return -ENOMEM;
+	}
+
+	dstream = ZSTD_initDStream(abuf_size(in), workspace, wsize);
+	if (!dstream) {
+		log_err("%s: ZSTD_initDStream failed\n", __func__);
+		ret = -EPERM;
+		goto do_free;
+	}
+
+	in_buf.src = abuf_data(in);
+	in_buf.pos = 0;
+	in_buf.size = abuf_size(in);
+
+	out_buf.dst = abuf_data(out);
+	out_buf.pos = 0;
+	out_buf.size = abuf_size(out);
+
+	while (1) {
+		size_t res;
+
+		res = ZSTD_decompressStream(dstream, &out_buf, &in_buf);
+		if (ZSTD_isError(res)) {
+			ret = ZSTD_getErrorCode(res);
+			log_err("ZSTD_decompressStream error %d\n", ret);
+			goto do_free;
+		}
+
+		if (in_buf.pos >= abuf_size(in) || !res)
+			break;
+	}
+
+	ret = out_buf.pos;
+do_free:
+	free(workspace);
+	return ret;
+}
diff --git a/test/lib/Makefile b/test/lib/Makefile
index 6fd0514..d244bb4 100644
--- a/test/lib/Makefile
+++ b/test/lib/Makefile
@@ -3,6 +3,7 @@
 # (C) Copyright 2018
 # Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
 obj-y += cmd_ut_lib.o
+obj-y += abuf.o
 obj-$(CONFIG_EFI_LOADER) += efi_device_path.o
 obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o
 obj-y += hexdump.o
diff --git a/test/lib/abuf.c b/test/lib/abuf.c
new file mode 100644
index 0000000..086c9b2
--- /dev/null
+++ b/test/lib/abuf.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <abuf.h>
+#include <mapmem.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+static char test_data[] = "1234";
+#define TEST_DATA_LEN	sizeof(test_data)
+
+/* Test abuf_set() */
+static int lib_test_abuf_set(struct unit_test_state *uts)
+{
+	struct abuf buf;
+	ulong start;
+
+	start = ut_check_free();
+
+	abuf_init(&buf);
+	abuf_set(&buf, test_data, TEST_DATA_LEN);
+	ut_asserteq_ptr(test_data, buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Force it to allocate */
+	ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN + 1));
+	ut_assertnonnull(buf.data);
+	ut_asserteq(TEST_DATA_LEN + 1, buf.size);
+	ut_asserteq(true, buf.alloced);
+
+	/* Now set it again, to force it to free */
+	abuf_set(&buf, test_data, TEST_DATA_LEN);
+	ut_asserteq_ptr(test_data, buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Check for memory leaks */
+	ut_assertok(ut_check_delta(start));
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_set, 0);
+
+/* Test abuf_map_sysmem() */
+static int lib_test_abuf_map_sysmem(struct unit_test_state *uts)
+{
+	struct abuf buf;
+	ulong addr;
+
+	abuf_init(&buf);
+	addr = 0x100;
+	abuf_map_sysmem(&buf, addr, TEST_DATA_LEN);
+
+	ut_asserteq_ptr(map_sysmem(0x100, 0), buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_map_sysmem, 0);
+
+/* Test abuf_realloc() */
+static int lib_test_abuf_realloc(struct unit_test_state *uts)
+{
+	struct abuf buf;
+	ulong start;
+	void *ptr;
+
+	/*
+	 * TODO: crashes on sandbox sometimes due to an apparent bug in
+	 * realloc().
+	 */
+	return 0;
+
+	start = ut_check_free();
+
+	abuf_init(&buf);
+
+	/* Allocate an empty buffer */
+	ut_asserteq(true, abuf_realloc(&buf, 0));
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Allocate a non-empty abuf */
+	ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+	ut_assertnonnull(buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(true, buf.alloced);
+	ptr = buf.data;
+
+	/*
+	 * Make it smaller; the pointer should remain the same. Note this relies
+	 * on knowledge of how U-Boot's realloc() works
+	 */
+	ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN - 1));
+	ut_asserteq(TEST_DATA_LEN - 1, buf.size);
+	ut_asserteq(true, buf.alloced);
+	ut_asserteq_ptr(ptr, buf.data);
+
+	/*
+	 * Make it larger, forcing reallocation. Note this relies on knowledge
+	 * of how U-Boot's realloc() works
+	 */
+	ut_asserteq(true, abuf_realloc(&buf, 0x1000));
+	ut_assert(buf.data != ptr);
+	ut_asserteq(0x1000, buf.size);
+	ut_asserteq(true, buf.alloced);
+
+	/* Free it */
+	ut_asserteq(true, abuf_realloc(&buf, 0));
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Check for memory leaks */
+	ut_assertok(ut_check_delta(start));
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_realloc, 0);
+
+/* Test handling of buffers that are too large */
+static int lib_test_abuf_large(struct unit_test_state *uts)
+{
+	struct abuf buf;
+	ulong start;
+	size_t size;
+	int delta;
+	void *ptr;
+
+	/*
+	 * This crashes at present due to trying to allocate more memory than
+	 * available, which breaks something on sandbox.
+	 */
+	return 0;
+
+	start = ut_check_free();
+
+	/* Try an impossible size */
+	abuf_init(&buf);
+	ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	abuf_uninit(&buf);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Start with a normal size then try to increase it, to check realloc */
+	ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+	ut_assertnonnull(buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(true, buf.alloced);
+	ptr = buf.data;
+	delta = ut_check_delta(start);
+	ut_assert(delta > 0);
+
+	/* try to increase it */
+	ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
+	ut_asserteq_ptr(ptr, buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(true, buf.alloced);
+	ut_asserteq(delta, ut_check_delta(start));
+
+	/* Check for memory leaks */
+	abuf_uninit(&buf);
+	ut_assertok(ut_check_delta(start));
+
+	/* Start with a huge unallocated buf and try to move it */
+	abuf_init(&buf);
+	abuf_map_sysmem(&buf, 0, CONFIG_SYS_MALLOC_LEN);
+	ut_asserteq(CONFIG_SYS_MALLOC_LEN, buf.size);
+	ut_asserteq(false, buf.alloced);
+	ut_assertnull(abuf_uninit_move(&buf, &size));
+
+	/* Check for memory leaks */
+	abuf_uninit(&buf);
+	ut_assertok(ut_check_delta(start));
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_large, 0);
+
+/* Test abuf_uninit_move() */
+static int lib_test_abuf_uninit_move(struct unit_test_state *uts)
+{
+	void *ptr, *orig_ptr;
+	struct abuf buf;
+	size_t size;
+	ulong start;
+	int delta;
+
+	start = ut_check_free();
+
+	/*
+	 * TODO: crashes on sandbox sometimes due to an apparent bug in
+	 * realloc().
+	 */
+	return 0;
+
+	/* Move an empty buffer */
+	abuf_init(&buf);
+	ut_assertnull(abuf_uninit_move(&buf, &size));
+	ut_asserteq(0, size);
+	ut_assertnull(abuf_uninit_move(&buf, NULL));
+
+	/* Move an unallocated buffer */
+	abuf_set(&buf, test_data, TEST_DATA_LEN);
+	ut_assertok(ut_check_delta(start));
+	ptr = abuf_uninit_move(&buf, &size);
+	ut_asserteq(TEST_DATA_LEN, size);
+	ut_asserteq_str(ptr, test_data);
+	ut_assertnonnull(ptr);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Check that freeing it frees the only allocation */
+	delta = ut_check_delta(start);
+	ut_assert(delta > 0);
+	free(ptr);
+	ut_assertok(ut_check_delta(start));
+
+	/* Move an allocated buffer */
+	ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+	orig_ptr = buf.data;
+	strcpy(orig_ptr, test_data);
+
+	delta = ut_check_delta(start);
+	ut_assert(delta > 0);
+	ptr = abuf_uninit_move(&buf, &size);
+	ut_asserteq(TEST_DATA_LEN, size);
+	ut_assertnonnull(ptr);
+	ut_asserteq_ptr(ptr, orig_ptr);
+	ut_asserteq_str(ptr, test_data);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Check there was no new allocation */
+	ut_asserteq(delta, ut_check_delta(start));
+
+	/* Check that freeing it frees the only allocation */
+	free(ptr);
+	ut_assertok(ut_check_delta(start));
+
+	/* Move an unallocated buffer, without the size */
+	abuf_set(&buf, test_data, TEST_DATA_LEN);
+	ut_assertok(ut_check_delta(start));
+	ptr = abuf_uninit_move(&buf, NULL);
+	ut_asserteq_str(ptr, test_data);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_uninit_move, 0);
+
+/* Test abuf_uninit() */
+static int lib_test_abuf_uninit(struct unit_test_state *uts)
+{
+	struct abuf buf;
+
+	/* Nothing in the buffer */
+	abuf_init(&buf);
+	abuf_uninit(&buf);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	/* Not allocated */
+	abuf_set(&buf, test_data, TEST_DATA_LEN);
+	abuf_uninit(&buf);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_uninit, 0);
+
+/* Test abuf_init_set() */
+static int lib_test_abuf_init_set(struct unit_test_state *uts)
+{
+	struct abuf buf;
+
+	abuf_init_set(&buf, test_data, TEST_DATA_LEN);
+	ut_asserteq_ptr(test_data, buf.data);
+	ut_asserteq(TEST_DATA_LEN, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_init_set, 0);
+
+/* Test abuf_init_move() */
+static int lib_test_abuf_init_move(struct unit_test_state *uts)
+{
+	struct abuf buf;
+	void *ptr;
+
+	/*
+	 * TODO: crashes on sandbox sometimes due to an apparent bug in
+	 * realloc().
+	 */
+	return 0;
+
+	ptr = strdup(test_data);
+	ut_assertnonnull(ptr);
+
+	free(ptr);
+
+	abuf_init_move(&buf, ptr, TEST_DATA_LEN);
+	ut_asserteq_ptr(ptr, abuf_data(&buf));
+	ut_asserteq(TEST_DATA_LEN, abuf_size(&buf));
+	ut_asserteq(true, buf.alloced);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_init_move, 0);
+
+/* Test abuf_init() */
+static int lib_test_abuf_init(struct unit_test_state *uts)
+{
+	struct abuf buf;
+
+	buf.data = &buf;
+	buf.size = 123;
+	buf.alloced = true;
+	abuf_init(&buf);
+	ut_assertnull(buf.data);
+	ut_asserteq(0, buf.size);
+	ut_asserteq(false, buf.alloced);
+
+	return 0;
+}
+LIB_TEST(lib_test_abuf_init, 0);
diff --git a/test/lib/string.c b/test/lib/string.c
index 64234be..5dcf4d6 100644
--- a/test/lib/string.c
+++ b/test/lib/string.c
@@ -23,6 +23,8 @@
 /* Allow for copying up to 32 bytes */
 #define BUFLEN (SWEEP + 33)
 
+#define TEST_STR	"hello"
+
 /**
  * init_buffer() - initialize buffer
  *
@@ -193,3 +195,33 @@ static int lib_memmove(struct unit_test_state *uts)
 }
 
 LIB_TEST(lib_memmove, 0);
+
+/** lib_memdup() - unit test for memdup() */
+static int lib_memdup(struct unit_test_state *uts)
+{
+	char buf[BUFLEN];
+	size_t len;
+	char *p, *q;
+
+	/* Zero size should do nothing */
+	p = memdup(NULL, 0);
+	ut_assertnonnull(p);
+	free(p);
+
+	p = memdup(buf, 0);
+	ut_assertnonnull(p);
+	free(p);
+
+	strcpy(buf, TEST_STR);
+	len = sizeof(TEST_STR);
+	p = memdup(buf, len);
+	ut_asserteq_mem(p, buf, len);
+
+	q = memdup(p, len);
+	ut_asserteq_mem(q, buf, len);
+	free(q);
+	free(p);
+
+	return 0;
+}
+LIB_TEST(lib_memdup, 0);
diff --git a/tools/Kconfig b/tools/Kconfig
index d6f82cd..91ce8ae 100644
--- a/tools/Kconfig
+++ b/tools/Kconfig
@@ -9,6 +9,11 @@ config MKIMAGE_DTC_PATH
 	  some cases the system dtc may not support all required features
 	  and the path to a different version should be given here.
 
+config TOOLS_CRC32
+	def_bool y
+	help
+	  Enable CRC32 support in the tools builds
+
 config TOOLS_LIBCRYPTO
 	bool "Use OpenSSL's libcrypto library for host tools"
 	default y
@@ -20,4 +25,69 @@ config TOOLS_LIBCRYPTO
 	  This selection does not affect target features, such as runtime FIT
 	  signature verification.
 
+config TOOLS_FIT
+	def_bool y
+	help
+	  Enable FIT support in the tools builds.
+
+config TOOLS_FIT_FULL_CHECK
+	def_bool y
+	help
+	  Do a full check of the FIT before using it in the tools builds
+
+config TOOLS_FIT_PRINT
+	def_bool y
+	help
+	  Print the content of the FIT verbosely in the tools builds
+
+config TOOLS_FIT_RSASSA_PSS
+	def_bool y
+	help
+	  Support the rsassa-pss signature scheme in the tools builds
+
+config TOOLS_FIT_SIGNATURE
+	def_bool y
+	help
+	  Enable signature verification of FIT uImages in the tools builds
+
+config TOOLS_FIT_SIGNATURE_MAX_SIZE
+	hex
+	depends on TOOLS_FIT_SIGNATURE
+	default 0x10000000
+
+config TOOLS_FIT_VERBOSE
+	def_bool y
+	help
+	  Support verbose FIT output in the tools builds
+
+config TOOLS_MD5
+	def_bool y
+	help
+	  Enable MD5 support in the tools builds
+
+config TOOLS_OF_LIBFDT
+	def_bool y
+	help
+	  Enable libfdt support in the tools builds
+
+config TOOLS_SHA1
+	def_bool y
+	help
+	  Enable SHA1 support in the tools builds
+
+config TOOLS_SHA256
+	def_bool y
+	help
+	  Enable SHA256 support in the tools builds
+
+config TOOLS_SHA384
+	def_bool y
+	help
+	  Enable SHA384 support in the tools builds
+
+config TOOLS_SHA512
+	def_bool y
+	help
+	  Enable SHA512 support in the tools builds
+
 endmenu
diff --git a/tools/Makefile b/tools/Makefile
index 4a86321..999fd46 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -113,6 +113,7 @@ dumpimage-mkimage-objs := aisimage.o \
 			lib/fdtdec_common.o \
 			lib/fdtdec.o \
 			common/image.o \
+			common/image-host.o \
 			imagetool.o \
 			imximage.o \
 			imx8image.o \