1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) (C) Copyright 2016-2017 Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __DRIVER_RKNAND_H__ 8*4882a593Smuzhiyun #define __DRIVER_RKNAND_H__ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <asm/io.h> 11*4882a593Smuzhiyun #include <clk.h> 12*4882a593Smuzhiyun #include <asm/arch/clock.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Represents an NVM Express device. Each nvme_dev is a PCI function. */ 15*4882a593Smuzhiyun struct rknand_dev { 16*4882a593Smuzhiyun void *ioaddr; 17*4882a593Smuzhiyun struct clk nandc_clk; 18*4882a593Smuzhiyun struct clk nandc_hclk; 19*4882a593Smuzhiyun u32 density; 20*4882a593Smuzhiyun struct udevice *dev; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* 23*4882a593Smuzhiyun * read() - read from a block device 24*4882a593Smuzhiyun * 25*4882a593Smuzhiyun * @start: Start block number to read (0=first) 26*4882a593Smuzhiyun * @blkcnt: Number of blocks to read 27*4882a593Smuzhiyun * @buffer: Destination buffer for data read 28*4882a593Smuzhiyun * @return 0 is OK, -1 is error. 29*4882a593Smuzhiyun */ 30*4882a593Smuzhiyun u32 (*read)(u8 lun, u32 start, u32 blkcnt, void *buffer); 31*4882a593Smuzhiyun /* 32*4882a593Smuzhiyun * write() - write to a block device 33*4882a593Smuzhiyun * 34*4882a593Smuzhiyun * @dev: Device to write to 35*4882a593Smuzhiyun * @start: Start block number to write (0=first) 36*4882a593Smuzhiyun * @blkcnt: Number of blocks to write 37*4882a593Smuzhiyun * @buffer: Source buffer for data to write 38*4882a593Smuzhiyun * @return 0 is OK, -1 is error. 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun u32 (*write)(u8 lun, u32 start, u32 blkcnt, const void *buffer); 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * erase() - erase a section of a block device 43*4882a593Smuzhiyun * 44*4882a593Smuzhiyun * @dev: Device to (partially) erase 45*4882a593Smuzhiyun * @start: Start block number to erase (0=first) 46*4882a593Smuzhiyun * @blkcnt: Number of blocks to erase 47*4882a593Smuzhiyun * @return 0 is OK, -1 is error. 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun u32 (*erase)(u8 lun, u32 start, u32 blkcnt); 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct rknand_uclass_priv { 53*4882a593Smuzhiyun struct rknand_dev *ndev; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun u32 ftl_write(u8 lun, u32 start, u32 blkcnt, const void *buffer); 57*4882a593Smuzhiyun u32 ftl_read(u8 lun, u32 start, u32 blkcnt, void *buffer); 58*4882a593Smuzhiyun u32 ftl_discard(u8 lun, u32 start, u32 blkcnt); 59*4882a593Smuzhiyun u32 ftl_get_density(u8 lun); 60*4882a593Smuzhiyun int rk_ftl_init(u32 *reg_base); 61*4882a593Smuzhiyun u32 ftl_vendor_read(u32 index, u32 nsec, void *buf); 62*4882a593Smuzhiyun u32 ftl_vendor_write(u32 index, u32 nsec, void *buf); 63*4882a593Smuzhiyun #endif /* __DRIVER_RKNAND_H__ */ 64