Merge tag 'mips-pull-2022-07-13' of https://source.denx.de/u-boot/custodians/u-boot-mips

- MIPS: add drivers and board support for Mediatek MT7621 SoC

3 files changed, 47 insertions, 3 deletions

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 931619c..908d7d1 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -884,7 +884,7 @@ config SPL_NAND_SIMPLE
 	  expose the cmd_ctrl() interface.
 
 config SPL_NAND_BASE
-	depends on SPL_NAND_DRIVERS
+	depends on SPL_NAND_SUPPORT
 	bool "Use Base NAND Driver"
 	help
 	  Include nand_base.c in the SPL.
diff --git a/common/spl/spl_legacy.c b/common/spl/spl_legacy.c
index 2ec7154..ae8731c 100644
--- a/common/spl/spl_legacy.c
+++ b/common/spl/spl_legacy.c
@@ -88,15 +88,29 @@ int spl_load_legacy_img(struct spl_image_info *spl_image,
 	/* Read header into local struct */
 	load->read(load, header, sizeof(hdr), &hdr);
 
+	/*
+	 * If the payload is compressed, the decompressed data should be
+	 * directly write to its load address.
+	 */
+	if (spl_image_get_comp(&hdr) != IH_COMP_NONE)
+		spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
+
 	ret = spl_parse_image_header(spl_image, bootdev, &hdr);
 	if (ret)
 		return ret;
 
-	dataptr = header + sizeof(hdr);
-
 	/* Read image */
 	switch (spl_image_get_comp(&hdr)) {
 	case IH_COMP_NONE:
+		dataptr = header;
+
+		/*
+		 * Image header will be skipped only if SPL_COPY_PAYLOAD_ONLY
+		 * is set
+		 */
+		if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY)
+			dataptr += sizeof(hdr);
+
 		load->read(load, dataptr, spl_image->size,
 			   (void *)(unsigned long)spl_image->load_addr);
 		break;
@@ -104,6 +118,9 @@ int spl_load_legacy_img(struct spl_image_info *spl_image,
 	case IH_COMP_LZMA:
 		lzma_len = LZMA_LEN;
 
+		/* dataptr points to compressed payload  */
+		dataptr = header + sizeof(hdr);
+
 		debug("LZMA: Decompressing %08lx to %08lx\n",
 		      dataptr, spl_image->load_addr);
 		src = malloc(spl_image->size);
diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
index 82a10ff..7b7579a 100644
--- a/common/spl/spl_nand.c
+++ b/common/spl/spl_nand.c
@@ -56,6 +56,21 @@ static ulong spl_nand_fit_read(struct spl_load_info *load, ulong offs,
 	return size / load->bl_len;
 }
 
+static ulong spl_nand_legacy_read(struct spl_load_info *load, ulong offs,
+				  ulong size, void *dst)
+{
+	int err;
+
+	debug("%s: offs %lx, size %lx, dst %p\n",
+	      __func__, offs, size, dst);
+
+	err = nand_spl_load_image(offs, size, dst);
+	if (err)
+		return 0;
+
+	return size;
+}
+
 struct mtd_info * __weak nand_get_mtd(void)
 {
 	return NULL;
@@ -93,6 +108,18 @@ static int spl_nand_load_element(struct spl_image_info *spl_image,
 		load.bl_len = bl_len;
 		load.read = spl_nand_fit_read;
 		return spl_load_imx_container(spl_image, &load, offset / bl_len);
+	} else if (IS_ENABLED(CONFIG_SPL_LEGACY_IMAGE_FORMAT) &&
+		   image_get_magic(header) == IH_MAGIC) {
+		struct spl_load_info load;
+
+		debug("Found legacy image\n");
+		load.dev = NULL;
+		load.priv = NULL;
+		load.filename = NULL;
+		load.bl_len = 1;
+		load.read = spl_nand_legacy_read;
+
+		return spl_load_legacy_img(spl_image, bootdev, &load, offset);
 	} else {
 		err = spl_parse_image_header(spl_image, bootdev, header);
 		if (err)