x86: minnowmax: initialize the pin-muxing from device tree

Signed-off-by: Gabriel Huau <contact@huau-gabriel.fr>
Acked-by: Simon Glass <sjg@chromium.org>

board/intel/minnowmax/minnowmax.c

@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <asm/gpio.h>
 #include <asm/ibmpc.h>
 #include <asm/pnp_def.h>
 #include <netdev.h>
@@ -12,6 +13,14 @@
 
 #define SERIAL_DEV PNP_DEV(0x2e, 4)
 
+int arch_early_init_r(void)
+{
+	/* do the pin-muxing */
+	gpio_ich6_pinctrl_init();
+
+	return 0;
+}
+
 int board_early_init_f(void)
 {
 	lpc47m_enable_serial(SERIAL_DEV, UART0_BASE, UART0_IRQ);

include/configs/minnowmax.h

@@ -15,6 +15,7 @@
 
 #define CONFIG_SYS_MONITOR_LEN		(1 << 20)
 #define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_ARCH_EARLY_INIT_R
 
 #define CONFIG_X86_SERIAL
 #define CONFIG_SMSC_LPC47M