Extra omap code in linux-omap tree

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / common.c

diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index d1797147732f217ce4906f5388e55956b7f4f62c..28666126fd3b9c661fdf611068e5b37e9a074625 100644 (file)
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -40,12 +40,32 @@
 
 #define NO_LENGTH_CHECK 0xffffffff
 
-unsigned char omap_bootloader_tag[512];
+unsigned char omap_bootloader_tag[1024];
 int omap_bootloader_tag_len;
 
 struct omap_board_config_kernel *omap_board_config;
 int omap_board_config_size;
 
+#ifdef CONFIG_OMAP_BOOT_TAG
+
+static int __init parse_tag_omap(const struct tag *tag)
+{
+       u32 size = tag->hdr.size - (sizeof(tag->hdr) >> 2);
+
+        size <<= 2;
+       if (size > sizeof(omap_bootloader_tag))
+               return -1;
+
+       memcpy(omap_bootloader_tag, tag->u.omap.data, size);
+       omap_bootloader_tag_len = size;
+
+        return 0;
+}
+
+__tagtable(ATAG_BOARD, parse_tag_omap);
+
+#endif
+
 static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
 {
        struct omap_board_config_kernel *kinfo = NULL;