diff --git a/include/libopencm3/lpc43xx/gpio.h b/include/libopencm3/lpc43xx/gpio.h
index 60528874..8abd5467 100644
--- a/include/libopencm3/lpc43xx/gpio.h
+++ b/include/libopencm3/lpc43xx/gpio.h
@@ -155,5 +155,6 @@
 
 void gpio_set(u32 gpioport, u32 gpios);
 void gpio_clear(u32 gpioport, u32 gpios);
+void gpio_toggle(u32 gpioport, u32 gpios);
 
 #endif
diff --git a/lib/lpc43xx/gpio.c b/lib/lpc43xx/gpio.c
index 9134f70e..1256fd03 100644
--- a/lib/lpc43xx/gpio.c
+++ b/lib/lpc43xx/gpio.c
@@ -26,5 +26,10 @@ void gpio_set(u32 gpioport, u32 gpios)
 
 void gpio_clear(u32 gpioport, u32 gpios)
 {
-        GPIO_CLR(gpioport) = gpios;
+	GPIO_CLR(gpioport) = gpios;
 }
+
+void gpio_toggle(u32 gpioport, u32 gpios)
+{
+	GPIO_NOT(gpioport) = gpios;
+}
\ No newline at end of file
diff --git a/lib/lpc43xx/libopencm3_lpc43xx_rom_to_ram.ld b/lib/lpc43xx/libopencm3_lpc43xx_rom_to_ram.ld
index 850218bc..0270ea8a 100644
--- a/lib/lpc43xx/libopencm3_lpc43xx_rom_to_ram.ld
+++ b/lib/lpc43xx/libopencm3_lpc43xx_rom_to_ram.ld
@@ -36,7 +36,7 @@ SECTIONS
 
 	.text : {
 		. = ALIGN(0x400);
-		_text_ram = . + ORIGIN(ram); /* Start of Code in RAM */
+		_text_ram = (. - ORIGIN(rom)) + ORIGIN(ram); /* Start of Code in RAM */
 
 		*(.vectors)	/* Vector table */
 		*(.text*)	/* Program code */
@@ -53,8 +53,8 @@ SECTIONS
 	__exidx_end = .;
 
 	_etext = .;
-	_etext_ram = . + ORIGIN(ram);
-	_etext_rom = . + ORIGIN(rom_flash);
+	_etext_ram = (. - ORIGIN(rom)) + ORIGIN(ram);
+	_etext_rom = (. - ORIGIN(rom)) + ORIGIN(rom_flash);
 
 	.data : {
 		_data = .;