xref: /rk3399_rockchip-uboot/drivers/rkflash/rkflash_api.c (revision ba0501aca290ca5c87ce48b247d37c934d6108cf)

/*
 * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

#include <common.h>
#include <dm.h>

#include "rkflash_api.h"
#include "rkflash_blk.h"

#ifdef CONFIG_RKSFC_NOR
int rksfc_nor_init(struct udevice *udev)
{
	struct rkflash_info *priv = dev_get_priv(udev);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	return snor_init(p_dev);
}

u32 rksfc_nor_get_capacity(struct udevice *udev)
{
	struct rkflash_info *priv = dev_get_priv(udev);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	return snor_get_capacity(p_dev);
}

int rksfc_nor_read(struct udevice *udev, u32 sec, u32 n_sec, void *p_data)
{
	u32 ret;
	u32 offset, count = 0;
	char *buf = (char *)p_data;
	struct rkflash_info *priv = dev_get_priv(udev);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	if (sec + n_sec - 1 < FLASH_VENDOR_PART_START ||
	    sec > FLASH_VENDOR_PART_END) {
		ret = snor_read(p_dev, sec, n_sec, p_data);
		if (ret != n_sec)
			return ret;
	} else {
		memset(p_data, 0, 512 * n_sec);
		if (sec < FLASH_VENDOR_PART_START) {
			count = FLASH_VENDOR_PART_START - sec;
			buf = (char *)p_data;
			ret = snor_read(p_dev, sec, count, buf);
			if (ret != count)
				return ret;
		}
		if ((sec + n_sec - 1) > FLASH_VENDOR_PART_END) {
			count = sec + n_sec - 1 - FLASH_VENDOR_PART_END;
			offset = FLASH_VENDOR_PART_END - sec + 1;
			buf = (char *)p_data + offset * 512;
			ret = snor_read(p_dev,
					FLASH_VENDOR_PART_END + 1,
					count, buf);
			if (ret != count)
				return ret;
		}
	}

	return n_sec;
}

int rksfc_nor_write(struct udevice *udev,
		    u32 sec,
		    u32 n_sec,
		    const void *p_data)
{
	u32 ret;
	u32 offset, count = 0;
	char *buf = (char *)p_data;
	struct rkflash_info *priv = dev_get_priv(udev);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	if (sec + n_sec - 1 < FLASH_VENDOR_PART_START ||
	    sec > FLASH_VENDOR_PART_END) {
		ret = snor_write(p_dev, sec, n_sec, p_data);
		if (ret != n_sec)
			return ret;
	} else {
		if (sec < FLASH_VENDOR_PART_START) {
			count = FLASH_VENDOR_PART_START - sec;
			buf = (char *)p_data;
			ret = snor_write(p_dev, sec, count, buf);
			if (ret != count)
				return ret;
		}
		if ((sec + n_sec - 1) > FLASH_VENDOR_PART_END) {
			count = sec + n_sec - 1 - FLASH_VENDOR_PART_END;
			offset = FLASH_VENDOR_PART_END - sec + 1;
			buf = (char *)p_data + offset * 512;
			ret = snor_write(p_dev,
					 FLASH_VENDOR_PART_END + 1,
					 count, buf);
			if (ret != count)
				return ret;
		}
	}

	return n_sec;
}

int rksfc_nor_vendor_read(struct blk_desc *dev_desc,
			  u32 sec,
			  u32 n_sec,
			  void *p_data)
{
	struct rkflash_info *priv = dev_get_priv(dev_desc->bdev->parent);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	return snor_read(p_dev, sec, n_sec, p_data);
}

int rksfc_nor_vendor_write(struct blk_desc *dev_desc,
			   u32 sec,
			   u32 n_sec,
			   void *p_data)
{
	struct rkflash_info *priv = dev_get_priv(dev_desc->bdev->parent);
	struct SFNOR_DEV *p_dev = (struct SFNOR_DEV *)&priv->flash_dev_info;

	return snor_write(p_dev, sec, n_sec, p_data);
}

#endif

#ifdef CONFIG_RKSFC_NAND
int rksfc_nand_init(struct udevice *udev)
{
	int ret;

	ret = sfc_nand_init();
	if (ret)
		return ret;
	else
		return sftl_init();
}

int rksfc_nand_read(struct udevice *udev, u32 index, u32 count, void *buf)
{
	int ret;

	ret = sftl_read(index, count, (u8 *)buf);
	if (!ret)
		return count;
	else
		return -EIO;
}

int rksfc_nand_write(struct udevice *udev,
		     u32 index,
		     u32 count,
		     const void *buf)
{
	int ret;

	ret = sftl_write(index, count, (u8 *)buf);
	if (!ret)
		return count;
	else
		return -EIO;
}

u32 rksfc_nand_get_density(struct udevice *udev)
{
	return sftl_get_density();
}
#endif

#ifdef CONFIG_RKNANDC_NAND
int rknand_flash_init(struct udevice *udev)
{
	return sftl_init();
}

int rknand_flash_read(struct udevice *udev, u32 index, u32 count, void *buf)
{
	int ret;

	ret = sftl_read(index, count, (u8 *)buf);
	if (!ret)
		return count;
	else
		return -EIO;
}

int rknand_flash_write(struct udevice *udev,
		       u32 index,
		       u32 count,
		       const void *buf)
{
	int ret;

	ret = sftl_write(index, count, (u8 *)buf);
	if (!ret)
		return count;
	else
		return -EIO;
}

u32 rknand_flash_get_density(struct udevice *udev)
{
	return sftl_get_density();
}
#endif