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path: root/qemu/roms/u-boot/drivers/gpio/spear_gpio.c
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Diffstat (limited to 'qemu/roms/u-boot/drivers/gpio/spear_gpio.c')
-rw-r--r--qemu/roms/u-boot/drivers/gpio/spear_gpio.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/qemu/roms/u-boot/drivers/gpio/spear_gpio.c b/qemu/roms/u-boot/drivers/gpio/spear_gpio.c
deleted file mode 100644
index 367b67016..000000000
--- a/qemu/roms/u-boot/drivers/gpio/spear_gpio.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2012 Stefan Roese <sr@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * Driver for SPEAr600 GPIO controller
- */
-
-#include <common.h>
-#include <asm/arch/hardware.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
-#include <errno.h>
-
-static int gpio_direction(unsigned gpio,
- enum gpio_direction direction)
-{
- struct gpio_regs *regs = (struct gpio_regs *)CONFIG_GPIO_BASE;
- u32 val;
-
- val = readl(&regs->gpiodir);
-
- if (direction == GPIO_DIRECTION_OUT)
- val |= 1 << gpio;
- else
- val &= ~(1 << gpio);
-
- writel(val, &regs->gpiodir);
-
- return 0;
-}
-
-int gpio_set_value(unsigned gpio, int value)
-{
- struct gpio_regs *regs = (struct gpio_regs *)CONFIG_GPIO_BASE;
-
- writel(1 << gpio, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
-
- return 0;
-}
-
-int gpio_get_value(unsigned gpio)
-{
- struct gpio_regs *regs = (struct gpio_regs *)CONFIG_GPIO_BASE;
- u32 val;
-
- val = readl(&regs->gpiodata[DATA_REG_ADDR(gpio)]);
-
- return !!val;
-}
-
-int gpio_request(unsigned gpio, const char *label)
-{
- if (gpio >= SPEAR_GPIO_COUNT)
- return -EINVAL;
-
- return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
- return 0;
-}
-
-void gpio_toggle_value(unsigned gpio)
-{
- gpio_set_value(gpio, !gpio_get_value(gpio));
-}
-
-int gpio_direction_input(unsigned gpio)
-{
- return gpio_direction(gpio, GPIO_DIRECTION_IN);
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
- int ret = gpio_direction(gpio, GPIO_DIRECTION_OUT);
-
- if (ret < 0)
- return ret;
-
- gpio_set_value(gpio, value);
- return 0;
-}