u-boot/drivers/mtd/nand/denali_dt.c

69 lines
1.4 KiB
C
Raw Normal View History

/*
* Copyright (C) 2017 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include "denali.h"
static const struct udevice_id denali_nand_dt_ids[] = {
{
.compatible = "altr,socfpga-denali-nand",
},
{
.compatible = "socionext,uniphier-denali-nand-v5a",
},
{
.compatible = "socionext,uniphier-denali-nand-v5b",
},
{ /* sentinel */ }
};
static int denali_dt_probe(struct udevice *dev)
{
struct denali_nand_info *denali = dev_get_priv(dev);
struct resource res;
int ret;
ret = dev_read_resource_byname(dev, "denali_reg", &res);
if (ret)
return ret;
denali->flash_reg = devm_ioremap(dev, res.start, resource_size(&res));
ret = dev_read_resource_byname(dev, "nand_data", &res);
if (ret)
return ret;
denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
return denali_init(denali);
}
U_BOOT_DRIVER(denali_nand_dt) = {
.name = "denali-nand-dt",
.id = UCLASS_MISC,
.of_match = denali_nand_dt_ids,
.probe = denali_dt_probe,
.priv_auto_alloc_size = sizeof(struct denali_nand_info),
};
void board_nand_init(void)
{
struct udevice *dev;
int ret;
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_GET_DRIVER(denali_nand_dt),
&dev);
if (ret && ret != -ENODEV)
printf("Failed to initialize Denali NAND controller. (error %d)\n",
ret);
}