xref: /openbmc/u-boot/arch/arm/mach-mvebu/gpio.c (revision ddf56bc7)
1 /*
2  * (C) Copyright 2009
3  * Marvell Semiconductor <www.marvell.com>
4  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/io.h>
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/soc.h>
13 
14 /*
15  * mvebu_config_gpio - GPIO configuration
16  */
17 void mvebu_config_gpio(u32 gpp0_oe_val, u32 gpp1_oe_val,
18 		       u32 gpp0_oe, u32 gpp1_oe)
19 {
20 	struct kwgpio_registers *gpio0reg =
21 		(struct kwgpio_registers *)MVEBU_GPIO0_BASE;
22 	struct kwgpio_registers *gpio1reg =
23 		(struct kwgpio_registers *)MVEBU_GPIO1_BASE;
24 
25 	/* Init GPIOS to default values as per board requirement */
26 	writel(gpp0_oe_val, &gpio0reg->dout);
27 	writel(gpp1_oe_val, &gpio1reg->dout);
28 	writel(gpp0_oe, &gpio0reg->oe);
29 	writel(gpp1_oe, &gpio1reg->oe);
30 }
31