diff options
author | Stefan Roese <sr@denx.de> | 2014-10-22 12:13:11 +0200 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2014-10-23 09:59:21 -0400 |
commit | d5c5132f878394b7487d3f6da0d469aa72737318 (patch) | |
tree | 6e0879ddf2c632f0ed23cdbd6250bcf65f75b423 /arch/arm/mvebu-common | |
parent | 4aceea2088e04724900a9c6f22c48d99293206f2 (diff) |
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>
Diffstat (limited to 'arch/arm/mvebu-common')
-rw-r--r-- | arch/arm/mvebu-common/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mvebu-common/gpio.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mvebu-common/Makefile b/arch/arm/mvebu-common/Makefile index 391a125203..9dcab6958c 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 0000000000..56e54e0a62 --- /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); +} |