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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
*
* Authors:
* Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
*/
#include <dm.h>
#include <log.h>
#if CONFIG_IS_ENABLED(SANDBOX64)
#include <asm/test.h>
#endif
#include <linux/bitops.h>
#include "nvmxip.h"
/* LBA Macros */
#define DEFAULT_LBA_SHIFT 10 /* 1024 bytes per block */
#define DEFAULT_LBA_COUNT 1024 /* block count */
#define DEFAULT_LBA_SZ BIT(DEFAULT_LBA_SHIFT)
int nvmxip_probe(struct udevice *udev)
{
int ret;
struct udevice *bdev = NULL;
char bdev_name[NVMXIP_BLKDEV_NAME_SZ + 1];
int devnum;
devnum = uclass_id_count(UCLASS_NVMXIP);
snprintf(bdev_name, NVMXIP_BLKDEV_NAME_SZ, "blk#%d", devnum);
ret = blk_create_devicef(udev, NVMXIP_BLKDRV_NAME, bdev_name, UCLASS_NVMXIP,
devnum, DEFAULT_LBA_SZ,
DEFAULT_LBA_COUNT, &bdev);
if (ret) {
log_err("[%s]: failure during creation of the block device %s, error %d\n",
udev->name, bdev_name, ret);
return ret;
}
ret = blk_probe_or_unbind(bdev);
if (ret) {
log_err("[%s]: failure during probing the block device %s, error %d\n",
udev->name, bdev_name, ret);
return ret;
}
log_info("[%s]: the block device %s ready for use\n", udev->name, bdev_name);
return 0;
}
static int nvmxip_post_bind(struct udevice *udev)
{
dev_or_flags(udev, DM_FLAG_PROBE_AFTER_BIND);
return 0;
}
UCLASS_DRIVER(nvmxip) = {
.name = "nvmxip",
.id = UCLASS_NVMXIP,
.post_bind = nvmxip_post_bind,
};
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