CONFIG_MTD_ROOTFS_ROOT_DEV=y
CONFIG_MTD_ROOTFS_SPLIT=y
# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_SPLIT_FIRMWARE is not set
+CONFIG_MTD_SPLIT_FIRMWARE_NAME="firmware"
# CONFIG_MTD_SST25L is not set
# CONFIG_MTD_SWAP is not set
# CONFIG_MTD_TESTS is not set
# CONFIG_MTD_UBI is not set
# CONFIG_MTD_UIMAGE_SPLIT is not set
-CONFIG_MTD_UIMAGE_SPLIT_NAME="firmware"
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
# CONFIG_MV643XX_ETH is not set
# CONFIG_MVMDIO is not set
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
-@@ -12,6 +12,27 @@ menuconfig MTD
+@@ -12,6 +12,32 @@ menuconfig MTD
if MTD
+ bool "Automatically split 'rootfs' partition for squashfs"
+ default y
+
-+config MTD_UIMAGE_SPLIT
-+ bool "Automatically split off rootfs from a kernel partition containing a uImage"
++config MTD_SPLIT_FIRMWARE
++ bool "Automatically split firmware partition for kernel+rootfs"
+ default y
+
-+config MTD_UIMAGE_SPLIT_NAME
-+ string "uImage partition name"
-+ depends on MTD_UIMAGE_SPLIT
++config MTD_SPLIT_FIRMWARE_NAME
++ string "Firmware partition name"
++ depends on MTD_SPLIT_FIRMWARE
+ default "firmware"
+
++config MTD_UIMAGE_SPLIT
++ bool "Enable split support for firmware partitions containing a uImage"
++ depends on MTD_SPLIT_FIRMWARE
++ default y
++
+endmenu
+
config MTD_TESTS
int mtd_del_partition(struct mtd_info *master, int partno)
{
struct mtd_part *slave, *next;
-@@ -613,6 +627,148 @@ int mtd_del_partition(struct mtd_info *m
+@@ -613,6 +627,151 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
+
+#define UBOOT_MAGIC 0x27051956
+
-+#ifdef CONFIG_MTD_UIMAGE_SPLIT_NAME
-+#define UIMAGE_SPLIT_NAME CONFIG_MTD_UIMAGE_SPLIT_NAME
-+#else
-+#define UIMAGE_SPLIT_NAME "unused"
-+#endif
-+
+static void split_uimage(struct mtd_info *master, struct mtd_part *part)
+{
+ struct {
+ } hdr;
+ size_t len;
+
-+ if (strcmp(part->mtd.name, UIMAGE_SPLIT_NAME) != 0)
-+ return;
-+
+ if (mtd_read(master, part->offset, sizeof(hdr), &len, (void *) &hdr))
+ return;
+
+ part->mtd.size - len, false);
+}
+
++#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
++#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
++#else
++#define SPLIT_FIRMWARE_NAME "unused"
++#endif
++
++static void split_firmware(struct mtd_info *master, struct mtd_part *part)
++{
++ if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT))
++ split_uimage(master, part);
++}
++
+void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
+ int offset, int size)
+{
+}
+
-+
+static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
+{
+ static int rootfs_found = 0;
+ split_rootfs_data(master, part);
+ }
+
-+ if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT))
-+ split_uimage(master, part);
++ if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
++ config_enabled(CONFIG_MTD_SPLIT_FIRMWARE))
++ split_firmware(master, part);
+
+ arch_split_mtd_part(master, part->mtd.name, part->offset,
+ part->mtd.size);
/*
* This function, given a master MTD object and a partition table, creates
* and registers slave MTD objects which are bound to the master according to
-@@ -642,6 +798,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -642,6 +801,7 @@ int add_mtd_partitions(struct mtd_info *
mutex_unlock(&mtd_partitions_mutex);
add_mtd_device(&slave->mtd);
projects / openwrt / staging / ynezz.git / commitdiff