diff --git a/include/configs/MPC8308RDB.h b/include/configs/MPC8308RDB.h
index e809dcf..5b80464 100644
--- a/include/configs/MPC8308RDB.h
+++ b/include/configs/MPC8308RDB.h
@@ -452,6 +452,7 @@
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup
diff --git a/include/configs/MPC8313ERDB.h b/include/configs/MPC8313ERDB.h
index 1947cf1..1c4e082 100644
--- a/include/configs/MPC8313ERDB.h
+++ b/include/configs/MPC8313ERDB.h
@@ -268,7 +268,7 @@
 #define CONFIG_CMD_MTDPARTS
 #define MTDIDS_DEFAULT			"nand0=e2800000.flash"
 #define MTDPARTS_DEFAULT		\
-	"mtdparts=e2800000.flash:512k(uboot),128k(env),3m@1m(kernel),-(fs)"
+	"mtdparts=e2800000.flash:512k(uboot),128k(env),6m@1m(kernel),-(fs)"
 
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define CONFIG_CMD_NAND 1
@@ -502,6 +502,7 @@
  */
 				/* Initial Memory map for Linux*/
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20)
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 #define CONFIG_SYS_RCWH_PCIHOST 0x80000000	/* PCIHOST  */
 
diff --git a/include/configs/MPC8315ERDB.h b/include/configs/MPC8315ERDB.h
index 5b23f94..23a2e34 100644
--- a/include/configs/MPC8315ERDB.h
+++ b/include/configs/MPC8315ERDB.h
@@ -241,7 +241,7 @@
 #define CONFIG_CMD_MTDPARTS
 #define MTDIDS_DEFAULT			"nand0=e0600000.flash"
 #define MTDPARTS_DEFAULT		\
-	"mtdparts=e0600000.flash:512k(uboot),128k(env),3m@1m(kernel),-(fs)"
+	"mtdparts=e0600000.flash:512k(uboot),128k(env),6m@1m(kernel),-(fs)"
 
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 #define CONFIG_CMD_NAND			1
@@ -489,6 +489,7 @@
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup
diff --git a/include/configs/MPC8323ERDB.h b/include/configs/MPC8323ERDB.h
index 6680b59..095c0d8 100644
--- a/include/configs/MPC8323ERDB.h
+++ b/include/configs/MPC8323ERDB.h
@@ -359,6 +359,7 @@
  */
 					/* Initial Memory map for Linux */
 #define CONFIG_SYS_BOOTMAPSZ		(256 << 20)
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup
diff --git a/include/configs/MPC832XEMDS.h b/include/configs/MPC832XEMDS.h
index babbd1a..18418e3 100644
--- a/include/configs/MPC832XEMDS.h
+++ b/include/configs/MPC832XEMDS.h
@@ -441,6 +441,7 @@
  */
 					/* Initial Memory map for Linux */
 #define CONFIG_SYS_BOOTMAPSZ		(256 << 20)
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup
diff --git a/include/configs/MPC8349EMDS.h b/include/configs/MPC8349EMDS.h
index 0c44097..a2fa783 100644
--- a/include/configs/MPC8349EMDS.h
+++ b/include/configs/MPC8349EMDS.h
@@ -508,6 +508,7 @@
  */
 				/* Initial Memory map for Linux*/
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20)
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 #define CONFIG_SYS_RCWH_PCIHOST 0x80000000 /* PCIHOST  */
 
diff --git a/include/configs/MPC8349ITX.h b/include/configs/MPC8349ITX.h
index a7c37e1..c11c0cf 100644
--- a/include/configs/MPC8349ITX.h
+++ b/include/configs/MPC8349ITX.h
@@ -544,6 +544,7 @@
  */
 				/* Initial Memory map for Linux*/
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20)
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 #define CONFIG_SYS_HRCW_LOW (\
 	HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
diff --git a/include/configs/MPC837XEMDS.h b/include/configs/MPC837XEMDS.h
index 8bc72d5..b2dc189 100644
--- a/include/configs/MPC837XEMDS.h
+++ b/include/configs/MPC837XEMDS.h
@@ -522,6 +522,7 @@
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index 8962959..8eb87eb 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -533,6 +533,7 @@
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)	/* Increase max gunzip size */
 
 /*
  * Core HID Setup