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authorDaniel Golle <daniel@makrotopia.org>2021-03-11 16:00:20 +0000
committerDaniel Golle <daniel@makrotopia.org>2021-03-11 16:24:20 +0000
commitce19e8fa438f7013881b71956f39cf299e6fce46 (patch)
tree59ebd2c22d29d5c72eda663fb4eaaa448e491599 /tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch
parentda339a6d3f78f86bb653f29dd1d1aea8351bfdad (diff)
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tools: mkimage: add patches for 64-bit MediaTek BootROM
Add patches for mkimage to allow using it instead of the binary-only 'bromimage' tool to generate bl2 for MT7622. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch')
-rw-r--r--tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch226
1 files changed, 226 insertions, 0 deletions
diff --git a/tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch b/tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch
new file mode 100644
index 0000000000..45f8f7c1c1
--- /dev/null
+++ b/tools/mkimage/patches/081-mtk_image-add-an-option-to-set-device-header-offset.patch
@@ -0,0 +1,226 @@
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+From: Weijie Gao <weijie.gao@mediatek.com>
+To: <u-boot@lists.denx.de>
+CC: GSS_MTK_Uboot_upstream <GSS_MTK_Uboot_upstream@mediatek.com>, Weijie Gao
+ <weijie.gao@mediatek.com>
+Subject: [PATCH] tools: mtk_image: add an option to set device header offset
+Date: Tue, 9 Mar 2021 15:52:31 +0800
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+
+This patch adds an option which allows setting the device header offset.
+This is useful if this tool is used to generate ATF BL2 image of mt7622 for
+SD cards.
+
+Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
+---
+ tools/mtk_image.c | 50 ++++++++++++++++++++++++++++++++++++++++++++---
+ 1 file changed, 47 insertions(+), 3 deletions(-)
+
+diff --git a/tools/mtk_image.c b/tools/mtk_image.c
+index bde1e5da4b..418c5fd54b 100644
+--- a/tools/mtk_image.c
++++ b/tools/mtk_image.c
+@@ -243,8 +243,13 @@ static const struct brom_img_type {
+ }
+ };
+
++/* Indicates whether we're generating or verifying */
++static bool img_gen;
++static uint32_t img_size;
++
+ /* Image type selected by user */
+ static enum brlyt_img_type hdr_media;
++static uint32_t hdr_offset;
+ static int use_lk_hdr;
+ static bool is_arm64_image;
+
+@@ -275,6 +280,7 @@ static int mtk_brom_parse_imagename(const char *imagename)
+
+ /* User passed arguments from image name */
+ static const char *media = "";
++ static const char *hdr_offs = "";
+ static const char *nandinfo = "";
+ static const char *lk = "";
+ static const char *arm64_param = "";
+@@ -317,6 +323,9 @@ static int mtk_brom_parse_imagename(const char *imagename)
+ if (!strcmp(key, "media"))
+ media = val;
+
++ if (!strcmp(key, "hdroffset"))
++ hdr_offs = val;
++
+ if (!strcmp(key, "nandinfo"))
+ nandinfo = val;
+
+@@ -359,6 +368,10 @@ static int mtk_brom_parse_imagename(const char *imagename)
+ }
+ }
+
++ /* parse device header offset */
++ if (hdr_offs && hdr_offs[0])
++ hdr_offset = strtoul(hdr_offs, NULL, 0);
++
+ if (arm64_param && arm64_param[0] == '1')
+ is_arm64_image = true;
+
+@@ -422,6 +435,7 @@ static int mtk_image_vrec_header(struct image_tool_params *params,
+ static int mtk_image_verify_gen_header(const uint8_t *ptr, int print)
+ {
+ union gen_boot_header *gbh = (union gen_boot_header *)ptr;
++ uint32_t gfh_offset, total_size, devh_size;
+ struct brom_layout_header *bh;
+ struct gfh_header *gfh;
+ const char *bootmedia;
+@@ -453,7 +467,32 @@ static int mtk_image_verify_gen_header(const uint8_t *ptr, int print)
+ le32_to_cpu(bh->type) != BRLYT_TYPE_SDMMC))
+ return -1;
+
+- gfh = (struct gfh_header *)(ptr + le32_to_cpu(bh->header_size));
++ devh_size = sizeof(struct gen_device_header);
++
++ if (img_gen) {
++ gfh_offset = devh_size;
++ } else {
++ gfh_offset = le32_to_cpu(bh->header_size);
++
++ if (gfh_offset + sizeof(struct gfh_header) > img_size) {
++ /*
++ * This may happen if the hdr_offset used to generate
++ * this image is not zero.
++ * Since device header size is not fixed, we can't
++ * cover all possible cases.
++ * Assuming the image is valid only if the real
++ * device header size equals to devh_size.
++ */
++ total_size = le32_to_cpu(bh->total_size);
++
++ if (total_size - gfh_offset > img_size - devh_size)
++ return -1;
++
++ gfh_offset = devh_size;
++ }
++ }
++
++ gfh = (struct gfh_header *)(ptr + gfh_offset);
+
+ if (strcmp(gfh->file_info.name, GFH_FILE_INFO_NAME))
+ return -1;
+@@ -549,6 +588,8 @@ static int mtk_image_verify_header(unsigned char *ptr, int image_size,
+ if (le32_to_cpu(lk->magic) == LK_PART_MAGIC)
+ return 0;
+
++ img_size = image_size;
++
+ if (!strcmp((char *)ptr, NAND_BOOT_NAME))
+ return mtk_image_verify_nand_header(ptr, 0);
+ else
+@@ -682,8 +723,8 @@ static void mtk_image_set_gen_header(void *ptr, off_t filesize,
+
+ /* BRLYT header */
+ put_brom_layout_header(&hdr->brlyt, hdr_media);
+- hdr->brlyt.header_size = cpu_to_le32(sizeof(struct gen_device_header));
+- hdr->brlyt.total_size = cpu_to_le32(filesize);
++ hdr->brlyt.header_size = cpu_to_le32(hdr_offset + sizeof(*hdr));
++ hdr->brlyt.total_size = cpu_to_le32(hdr_offset + filesize);
+ hdr->brlyt.header_size_2 = hdr->brlyt.header_size;
+ hdr->brlyt.total_size_2 = hdr->brlyt.total_size;
+
+@@ -747,6 +788,9 @@ static void mtk_image_set_header(void *ptr, struct stat *sbuf, int ifd,
+ return;
+ }
+
++ img_gen = true;
++ img_size = sbuf->st_size;
++
+ if (hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND)
+ mtk_image_set_nand_header(ptr, sbuf->st_size, params->addr);
+ else