1 files changed, 71 insertions, 0 deletions
diff --git a/src/soc/marvell/mvmap2315/gpio.c b/src/soc/marvell/mvmap2315/gpio.c
new file mode 100644
index 0000000000..57fc7180d5
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/gpio.c
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <gpio.h>
+#include <soc/addressmap.h>
+#include <soc/gpio.h>
+#include <soc/pinmux.h>
+
+struct mvmap2315_gpio_regs *gpio_banks[] = {
+	(struct mvmap2315_gpio_regs *)MVMAP2315_GPIOF_BASE,
+	(struct mvmap2315_gpio_regs *)MVMAP2315_GPIOG_BASE,
+	(struct mvmap2315_gpio_regs *)MVMAP2315_GPIOH_BASE,
+};
+
+int gpio_get(gpio_t gpio)
+{
+	return (read32(&gpio_banks[gpio.bank]->plr) >> gpio.idx) & 0x1;
+}
+
+void gpio_set(gpio_t gpio, int value)
+{
+	if (value)
+		setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx);
+	else
+		setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx);
+}
+
+void gpio_input_pulldown(gpio_t gpio)
+{
+	set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLDOWN));
+	clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_input_pullup(gpio_t gpio)
+{
+	set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLUP));
+	clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_input(gpio_t gpio)
+{
+	set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLNONE));
+	clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_output(gpio_t gpio, int value)
+{
+	setbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+
+	if (value)
+		setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx);
+	else
+		setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx);
+}