diff --git a/target/linux/ixp4xx/patches-2.6.26/191-cambria_optional_uart.patch b/target/linux/ixp4xx/patches-2.6.26/191-cambria_optional_uart.patch
index 78e4a9e56..237c6b3e0 100644
--- a/target/linux/ixp4xx/patches-2.6.26/191-cambria_optional_uart.patch
+++ b/target/linux/ixp4xx/patches-2.6.26/191-cambria_optional_uart.patch
@@ -57,33 +57,39 @@
  static void __init cambria_gw2350_setup(void)
  {
 +	*IXP4XX_EXP_CS2 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_BOTHEDGE);
-+	cambria_optional_uart_data[0].mapbase	= IXP4XX_EXP_BUS_BASE(2);
-+	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(2), 0x0fff);
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_RISING);
++	cambria_optional_uart_data[0].mapbase	= 0x52FF0000;
++	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(0x52FF0000, 0x0fff);
 +	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
 +
 +	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_BOTHEDGE);
-+	cambria_optional_uart_data[1].mapbase	= IXP4XX_EXP_BUS_BASE(3);
-+	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_RISING);
++	cambria_optional_uart_data[1].mapbase	= 0x53FF0000;
++	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53FF0000, 0x0fff);
 +	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
 +
 +	platform_device_register(&cambria_optional_uart);
  	platform_device_register(&cambria_npec_device);
  	platform_device_register(&cambria_npea_device);
  
-@@ -298,6 +349,20 @@
+@@ -294,10 +345,26 @@
+ 	platform_device_register(&cambria_usb1_device);
+ 
+ 	platform_device_register(&cambria_gpio_leds_device);
++
++	*IXP4XX_EXP_CS2 = 0xBFFF3C43;
++	*IXP4XX_EXP_CS3 = 0xBFFF3C43;
+ }
  
  static void __init cambria_gw2358_setup(void)
  {
 +	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_BOTHEDGE);
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_RISING);
 +	cambria_optional_uart_data[0].mapbase	= 0x53FC0000;
 +	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(0x53FC0000, 0x0fff);
 +	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
 +
-+	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_BOTHEDGE);
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_RISING);
 +	cambria_optional_uart_data[1].mapbase	= 0x53F80000;
 +	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
 +	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
diff --git a/target/linux/ixp4xx/patches-2.6.26/192-cambria_gpio_device.patch b/target/linux/ixp4xx/patches-2.6.26/192-cambria_gpio_device.patch
index 0fe2eb052..157e1f169 100644
--- a/target/linux/ixp4xx/patches-2.6.26/192-cambria_gpio_device.patch
+++ b/target/linux/ixp4xx/patches-2.6.26/192-cambria_gpio_device.patch
@@ -23,7 +23,7 @@
  static struct latch_led cambria_latch_leds[] = {
  	{
 @@ -337,6 +352,11 @@
- 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
+ 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53FF0000, 0x0fff);
  	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
  
 +	cambria_gpio_resources[0].start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) |\
@@ -34,7 +34,7 @@
  	platform_device_register(&cambria_optional_uart);
  	platform_device_register(&cambria_npec_device);
  	platform_device_register(&cambria_npea_device);
-@@ -361,6 +381,10 @@
+@@ -363,6 +383,10 @@
  	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
  	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
  
diff --git a/target/linux/ixp4xx/patches-2.6.27/191-cambria_optional_uart.patch b/target/linux/ixp4xx/patches-2.6.27/191-cambria_optional_uart.patch
index 3a034f02b..9688767c8 100644
--- a/target/linux/ixp4xx/patches-2.6.27/191-cambria_optional_uart.patch
+++ b/target/linux/ixp4xx/patches-2.6.27/191-cambria_optional_uart.patch
@@ -57,33 +57,39 @@
  static void __init cambria_gw2350_setup(void)
  {
 +	*IXP4XX_EXP_CS2 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_BOTH);
-+	cambria_optional_uart_data[0].mapbase	= IXP4XX_EXP_BUS_BASE(2);
-+	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(2), 0x0fff);
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING);
++	cambria_optional_uart_data[0].mapbase	= 0x52FF0000;
++	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(0x52FF0000, 0x0fff);
 +	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
 +
 +	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_BOTH);
-+	cambria_optional_uart_data[1].mapbase	= IXP4XX_EXP_BUS_BASE(3);
-+	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING);
++	cambria_optional_uart_data[1].mapbase	= 0x53FF0000;
++	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53FF0000, 0x0fff);
 +	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
 +
 +	platform_device_register(&cambria_optional_uart);
  	platform_device_register(&cambria_npec_device);
  	platform_device_register(&cambria_npea_device);
  
-@@ -298,6 +349,20 @@
+@@ -294,10 +345,26 @@
+ 	platform_device_register(&cambria_usb1_device);
+ 
+ 	platform_device_register(&cambria_gpio_leds_device);
++
++	*IXP4XX_EXP_CS2 = 0xBFFF3C43;
++	*IXP4XX_EXP_CS3 = 0xBFFF3C43;
+ }
  
  static void __init cambria_gw2358_setup(void)
  {
 +	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_BOTH);
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING);
 +	cambria_optional_uart_data[0].mapbase	= 0x53FC0000;
 +	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(0x53FC0000, 0x0fff);
 +	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
 +
-+	*IXP4XX_EXP_CS3 = 0xbfff0003;
-+	set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_BOTH);
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING);
 +	cambria_optional_uart_data[1].mapbase	= 0x53F80000;
 +	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
 +	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
diff --git a/target/linux/ixp4xx/patches-2.6.27/192-cambria_gpio_device.patch b/target/linux/ixp4xx/patches-2.6.27/192-cambria_gpio_device.patch
index 0fe2eb052..157e1f169 100644
--- a/target/linux/ixp4xx/patches-2.6.27/192-cambria_gpio_device.patch
+++ b/target/linux/ixp4xx/patches-2.6.27/192-cambria_gpio_device.patch
@@ -23,7 +23,7 @@
  static struct latch_led cambria_latch_leds[] = {
  	{
 @@ -337,6 +352,11 @@
- 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
+ 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53FF0000, 0x0fff);
  	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
  
 +	cambria_gpio_resources[0].start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) |\
@@ -34,7 +34,7 @@
  	platform_device_register(&cambria_optional_uart);
  	platform_device_register(&cambria_npec_device);
  	platform_device_register(&cambria_npea_device);
-@@ -361,6 +381,10 @@
+@@ -363,6 +383,10 @@
  	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
  	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;