mtd: mxs_nand: fix the gf_13/14 definition issue

[oweals/u-boot.git] / common / image.c

diff --git a/common/image.c b/common/image.c
index 94873cb6ed50cb4c37e142393d5d244bd3159181..d8d14e871c6473b68c11938c5357ab7edfefe157 100644 (file)
--- a/common/image.c
+++ b/common/image.c
@@ -202,6 +202,14 @@ struct table_info {
        const table_entry_t *table;
 };
 
+static const struct comp_magic_map image_comp[] = {
+       {       IH_COMP_BZIP2,  "bzip2",        {0x42, 0x5a},},
+       {       IH_COMP_GZIP,   "gzip",         {0x1f, 0x8b},},
+       {       IH_COMP_LZMA,   "lzma",         {0x5d, 0x00},},
+       {       IH_COMP_LZO,    "lzo",          {0x89, 0x4c},},
+       {       IH_COMP_NONE,   "none",         {},     },
+};
+
 static const struct table_info table_info[IH_COUNT] = {
        { "architecture", IH_ARCH_COUNT, uimage_arch },
        { "compression", IH_COMP_COUNT, uimage_comp },
@@ -407,6 +415,21 @@ static void print_decomp_msg(int comp_type, int type, bool is_xip)
                printf("   Uncompressing %s\n", name);
 }
 
+int image_decomp_type(const unsigned char *buf, ulong len)
+{
+       const struct comp_magic_map *cmagic = image_comp;
+
+       if (len < 2)
+               return -EINVAL;
+
+       for (; cmagic->comp_id > 0; cmagic++) {
+               if (!memcmp(buf, cmagic->magic, 2))
+                       break;
+       }
+
+       return cmagic->comp_id;
+}
+
 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)