diff --git a/include/configs/afeb9260.h b/include/configs/afeb9260.h
index 755952f..f077ad9 100644
--- a/include/configs/afeb9260.h
+++ b/include/configs/afeb9260.h
@@ -29,6 +29,7 @@
 /* ARM asynchronous clock */
 #define AT91_MAIN_CLOCK		18429952	/* from 18.432 MHz crystal */
 #define AT91_MASTER_CLOCK	89999598	/* peripheral = main / 2 */
+#define CFG_AT91_PLLB		0x107c3e18	/* PLLB settings for USB */
 #define CONFIG_SYS_HZ		1000000		/* 1us resolution */
 
 #define AT91_SLOW_CLOCK		32768	/* slow clock */
diff --git a/include/configs/at91cap9adk.h b/include/configs/at91cap9adk.h
index 667e049..aeb06ac 100644
--- a/include/configs/at91cap9adk.h
+++ b/include/configs/at91cap9adk.h
@@ -32,6 +32,7 @@
 #define AT91_MAIN_CLOCK		12000000	/* 12 MHz crystal */
 #define AT91_MASTER_CLOCK	100000000	/* peripheral */
 #define AT91_CPU_CLOCK		200000000	/* cpu */
+#define CFG_AT91_PLLB		0x10073e01	/* PLLB settings for USB */
 #define CONFIG_SYS_HZ		1000000		/* 1us resolution */
 
 #define AT91_SLOW_CLOCK		32768	/* slow clock */
@@ -137,6 +138,8 @@
 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00700000	/* AT91_BASE_UHP */
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91cap9"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE		1
+#define CONFIG_CMD_FAT			1
 
 #define CONFIG_SYS_LOAD_ADDR			0x72000000	/* load address */
 
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 81c8d39..fbc470f 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -32,6 +32,7 @@
 #define AT91_MAIN_CLOCK		18432000	/* 18.432 MHz crystal */
 #define AT91_MASTER_CLOCK	100000000	/* peripheral */
 #define AT91_CPU_CLOCK		200000000	/* cpu */
+#define CFG_AT91_PLLB		0x107c3e18	/* PLLB settings for USB */
 #define CONFIG_SYS_HZ		1000000		/* 1us resolution */
 
 #define AT91_SLOW_CLOCK		32768	/* slow clock */
@@ -123,6 +124,7 @@
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_STORAGE		1
+#define CONFIG_CMD_FAT			1
 
 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
 
diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
index efe35a4..bd66823 100644
--- a/include/configs/at91sam9261ek.h
+++ b/include/configs/at91sam9261ek.h
@@ -137,6 +137,7 @@
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9261"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_STORAGE		1
+#define CONFIG_CMD_FAT			1
 
 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
 
diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h
index ef5b666..a2b09ca 100644
--- a/include/configs/at91sam9263ek.h
+++ b/include/configs/at91sam9263ek.h
@@ -32,6 +32,7 @@
 #define AT91_MAIN_CLOCK		16367660	/* 16.367 MHz crystal */
 #define AT91_MASTER_CLOCK	100000000	/* peripheral */
 #define AT91_CPU_CLOCK		200000000	/* cpu */
+#define CFG_AT91_PLLB		0x133a3e8d	/* PLLB settings for USB */
 #define CONFIG_SYS_HZ		1000000		/* 1us resolution */
 
 #define AT91_SLOW_CLOCK		32768	/* slow clock */
@@ -143,6 +144,7 @@
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9263"
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_STORAGE		1
+#define CONFIG_CMD_FAT			1
 
 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */