mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
cd93d625fd
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
40 lines
1 KiB
C
40 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <linux/bitops.h>
|
|
#include <mach/jz4780.h>
|
|
|
|
int jz47xx_gpio_get_value(unsigned int gpio)
|
|
{
|
|
void __iomem *gpio_regs = (void __iomem *)GPIO_BASE;
|
|
int port = gpio / 32;
|
|
int pin = gpio % 32;
|
|
|
|
return readl(gpio_regs + GPIO_PXPIN(port)) & BIT(pin);
|
|
}
|
|
|
|
void jz47xx_gpio_direction_input(unsigned int gpio)
|
|
{
|
|
void __iomem *gpio_regs = (void __iomem *)GPIO_BASE;
|
|
int port = gpio / 32;
|
|
int pin = gpio % 32;
|
|
|
|
writel(BIT(pin), gpio_regs + GPIO_PXINTC(port));
|
|
writel(BIT(pin), gpio_regs + GPIO_PXMASKS(port));
|
|
writel(BIT(pin), gpio_regs + GPIO_PXPAT1S(port));
|
|
}
|
|
|
|
void jz47xx_gpio_direction_output(unsigned int gpio, int value)
|
|
{
|
|
void __iomem *gpio_regs = (void __iomem *)GPIO_BASE;
|
|
int port = gpio / 32;
|
|
int pin = gpio % 32;
|
|
|
|
writel(BIT(pin), gpio_regs + GPIO_PXINTC(port));
|
|
writel(BIT(pin), gpio_regs + GPIO_PXMASKS(port));
|
|
writel(BIT(pin), gpio_regs + GPIO_PXPAT1C(port));
|
|
writel(BIT(pin), gpio_regs +
|
|
(value ? GPIO_PXPAT0S(port) : GPIO_PXPAT0C(port)));
|
|
}
|