1 /* 2 * Copyright (C) (C) Copyright 2016-2017 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __DRIVER_RKNAND_H__ 8 #define __DRIVER_RKNAND_H__ 9 10 #include <asm/io.h> 11 #include <clk.h> 12 #include <asm/arch/clock.h> 13 14 /* Represents an NVM Express device. Each nvme_dev is a PCI function. */ 15 struct rknand_dev { 16 void *ioaddr; 17 struct clk nandc_clk; 18 struct clk nandc_hclk; 19 u32 density; 20 struct udevice *dev; 21 22 /* 23 * read() - read from a block device 24 * 25 * @start: Start block number to read (0=first) 26 * @blkcnt: Number of blocks to read 27 * @buffer: Destination buffer for data read 28 * @return 0 is OK, -1 is error. 29 */ 30 u32 (*read)(u8 lun, u32 start, u32 blkcnt, void *buffer); 31 /* 32 * write() - write to a block device 33 * 34 * @dev: Device to write to 35 * @start: Start block number to write (0=first) 36 * @blkcnt: Number of blocks to write 37 * @buffer: Source buffer for data to write 38 * @return 0 is OK, -1 is error. 39 */ 40 u32 (*write)(u8 lun, u32 start, u32 blkcnt, const void *buffer); 41 /* 42 * erase() - erase a section of a block device 43 * 44 * @dev: Device to (partially) erase 45 * @start: Start block number to erase (0=first) 46 * @blkcnt: Number of blocks to erase 47 * @return 0 is OK, -1 is error. 48 */ 49 u32 (*erase)(u8 lun, u32 start, u32 blkcnt); 50 }; 51 52 struct rknand_uclass_priv { 53 struct rknand_dev *ndev; 54 }; 55 56 u32 ftl_write(u8 lun, u32 start, u32 blkcnt, const void *buffer); 57 u32 ftl_read(u8 lun, u32 start, u32 blkcnt, void *buffer); 58 u32 ftl_discard(u8 lun, u32 start, u32 blkcnt); 59 u32 ftl_get_density(u8 lun); 60 int rk_ftl_init(u32 *reg_base); 61 u32 ftl_vendor_read(u32 index, u32 nsec, void *buf); 62 u32 ftl_vendor_write(u32 index, u32 nsec, void *buf); 63 #endif /* __DRIVER_RKNAND_H__ */ 64