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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*/
#include <common.h>
#include <driver.h>
#include <init.h>
static struct cdev_operations memops = {
.read = mem_read,
.write = mem_write,
.memmap = generic_memmap_rw,
};
static int mem_probe(struct device_d *dev)
{
struct cdev *cdev;
cdev = xzalloc(sizeof (*cdev));
dev->priv = cdev;
cdev->name = (char*)dev->resource[0].name;
cdev->size = min_t(unsigned long long, resource_size(&dev->resource[0]),
S64_MAX);
cdev->ops = &memops;
cdev->dev = dev;
devfs_create(cdev);
return 0;
}
static struct driver_d mem_drv = {
.name = "mem",
.probe = mem_probe,
};
static int mem_init(void)
{
add_mem_device("mem", 0, ~0, IORESOURCE_MEM_WRITEABLE);
return platform_driver_register(&mem_drv);
}
device_initcall(mem_init);
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