pistachio: marduk: Switch on heartbeat LED

Signed-off-by: Francois Berder <[email protected]>

Author: francois-berder

board/imgtec/pistachio_bub/mfio.c

@@ -315,3 +315,16 @@ void mfio_setup_usb_pwr(void)
 	__raw_writel(val, USBPHYCONTROL0_ADDR);
 }
 #endif
+
+#if defined(CONFIG_TARGET_PISTACHIO_MARDUK)
+/*
+ * On Marduk, gpio 76 controls the heartbeat led.
+ * This function configures it as an output and sets it to 1.
+ */
+void mfio_setup_led(void)
+{
+	pistachio_configure_gpio(76, 1);
+
+	pistachio_set_gpio_output_state(76, 1);
+}
+#endif

board/imgtec/pistachio_bub/mfio.h

@@ -185,3 +185,7 @@ void mfio_setup_i2c(u8 interface);
 	defined(CONFIG_TARGET_PISTACHIO_BEETLE)
 void mfio_setup_usb_pwr(void);
 #endif
+
+#if defined(CONFIG_TARGET_PISTACHIO_MARDUK)
+void mfio_setup_led(void);
+#endif

board/imgtec/pistachio_bub/spl_pistachio.c

@@ -65,6 +65,11 @@ void spl_lowlevel_init(void) {
 	 */
 	setup_clk_gate_defaults();
 
+#if defined(CONFIG_TARGET_PISTACHIO_MARDUK)
+	/* Setup LED */
+	mfio_setup_led();
+#endif
+
 	/* Setup SPIM1 MFIOs */
 	mfio_setup_spim1();