arm: marvell: Extract kirkwood gpio functions into new common file gpio.c

This makes is possible to use those gpio functions from other MVEBU SoC's as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Luka Perkov <luka@openwrt.org>
Acked-by: Prafulla Wadaskar <prafulla@marvell.com>

2 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/mvebu-common/Makefile b/arch/arm/mvebu-common/Makefile
index 391a125203c..9dcab6958c5 100644
--- a/arch/arm/mvebu-common/Makefile
+++ b/arch/arm/mvebu-common/Makefile
@@ -7,5 +7,6 @@
 #
 
 obj-y	= dram.o
+obj-y	+= gpio.o
 obj-$(CONFIG_ARMADA_XP) += mbus.o
 obj-y	+= timer.o
diff --git a/arch/arm/mvebu-common/gpio.c b/arch/arm/mvebu-common/gpio.c
new file mode 100644
index 00000000000..56e54e0a621
--- /dev/null
+++ b/arch/arm/mvebu-common/gpio.c
@@ -0,0 +1,30 @@
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+/*
+ * mvebu_config_gpio - GPIO configuration
+ */
+void mvebu_config_gpio(u32 gpp0_oe_val, u32 gpp1_oe_val,
+		       u32 gpp0_oe, u32 gpp1_oe)
+{
+	struct kwgpio_registers *gpio0reg =
+		(struct kwgpio_registers *)MVEBU_GPIO0_BASE;
+	struct kwgpio_registers *gpio1reg =
+		(struct kwgpio_registers *)MVEBU_GPIO1_BASE;
+
+	/* Init GPIOS to default values as per board requirement */
+	writel(gpp0_oe_val, &gpio0reg->dout);
+	writel(gpp1_oe_val, &gpio1reg->dout);
+	writel(gpp0_oe, &gpio0reg->oe);
+	writel(gpp1_oe, &gpio1reg->oe);
+}