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--- linux-omap-2.6/init/do_mounts.c 2008-11-23 01:22:52.000000000 -0800
+++ linux-omap-2.6/init/do_mounts.c 2008-11-23 02:17:58.000000000 -0800
@@ -325,6 +325,37 @@
void __init mount_root(void)
{
+ int do_special = 0;
+ if (strcmp(root_device_name, "special") == 0)
+ do_special = 1;
+ do_special = 1;
+
+ if (do_special) {
+ dev_t ROOT_DEV_RO;
+ dev_t ROOT_DEV_RW;
+
+ sys_mkdir("/root-ro", 0700);
+ ROOT_DEV_RO = name_to_dev_t("/dev/mtd4");
+ create_dev("/dev/root-ro", ROOT_DEV_RO);
+ if (sys_mount("/dev/root-ro", "/root-ro", "squashfs", MS_RDONLY | MS_SILENT, NULL) != 0) {
+ ROOT_DEV_RO = name_to_dev_t("/dev/mmcblk0p2");
+ create_dev("/dev/root-ro2", ROOT_DEV_RO);
+ if (sys_mount("/dev/root-ro2", "/root-ro", "squashfs", MS_RDONLY | MS_SILENT, NULL) != 0)
+ goto no_special;
+ }
+
+ sys_mkdir("/root-rw", 0700);
+ ROOT_DEV_RW = name_to_dev_t("/dev/mmcblk0p4");
+ create_dev("/dev/root-rw", ROOT_DEV_RW);
+ if (sys_mount("/dev/root-rw", "/root-rw", "ext3", MS_SILENT, NULL) != 0)
+ goto no_special;
+ sys_mount("none", "/root", "aufs", 0, "br:/root-rw:/root-ro=ro");
+ sys_chdir("/root");
+ return;
+ }
+
+no_special:
+
#ifdef CONFIG_ROOT_NFS
if (MAJOR(ROOT_DEV) == UNNAMED_MAJOR) {
if (mount_nfs_root())
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