112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/*
|
||
* Copyright : (C) 2022 Phytium Information Technology, Inc.
|
||
* All Rights Reserved.
|
||
*
|
||
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
|
||
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
|
||
* either version 1.0 of the License, or (at your option) any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
|
||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
* See the Phytium Public License for more details.
|
||
*
|
||
*
|
||
* FilePath: fnand_dma.h
|
||
* Date: 2022-02-10 14:53:42
|
||
* LastEditTime: 2022-02-18 08:56:27
|
||
* Description: This files is for
|
||
*
|
||
* Modify History:
|
||
* Ver Who Date Changes
|
||
* ----- ------ -------- --------------------------------------
|
||
*/
|
||
|
||
#ifndef DRIVERS_NAND_FNAND_DMA_H
|
||
#define DRIVERS_NAND_FNAND_DMA_H
|
||
|
||
#ifdef __cplusplus
|
||
extern "C"
|
||
{
|
||
#endif
|
||
|
||
#include "ftypes.h"
|
||
|
||
#define FNAND_CMDCTRL_TYPE_RESET 0x00 /* reset */
|
||
#define FNAND_CMDCTRL_TYPE_SET_FTR 0x01 /* Set features */
|
||
#define FNAND_CMDCTRL_TYPE_GET_FTR 0x02 /* Get features */
|
||
#define FNAND_CMDCTRL_TYPE_READ_ID 0x03 /* Read ID */
|
||
#define FNAND_CMDCTRL_TYPE_READ_COL 0x03 /* Read Column */
|
||
#define FNAND_CMDCTRL_TYPE_PAGE_PRO 0x04 /* Page program */
|
||
#define FNAND_CMDCTRL_TYPE_ERASE 0x05 /* Block Erase */
|
||
#define FNAND_CMDCTRL_TYPE_READ 0x06 /* Read */
|
||
#define FNAND_CMDCTRL_TYPE_TOGGLE 0x07 /* Toggle Two_plane */
|
||
|
||
#define FNAND_CMDCTRL_READ_PARAM 0x02
|
||
#define FNAND_CMDCTRL_READ_STATUS 0x03
|
||
|
||
#define FNAND_CMDCTRL_CH_READ_COL 0x03
|
||
#define FNAND_CMDCTRL_CH_ROW_ADDR 0x01
|
||
#define FNAND_CMDCTRL_CH_WR_COL 0x01
|
||
|
||
#define FNAND_NFC_ADDR_MAX_LEN 0x5
|
||
|
||
#define FNAND_DESCRIPTORS_SIZE 16
|
||
|
||
struct CmdCtrl
|
||
{
|
||
u16 csel : 4; /* 每一位表示选择NAND FLASH 设备 */
|
||
u16 dbc : 1; /* 表示是否有2级命令，1表示有，只有此位为1时，描述符表的CMD1才有效 */
|
||
u16 addr_cyc : 3; /* 表示指令有几个周期，‘b000’:表示没有周期 ‘b001’:表示1一个地址周期，一次类推 */
|
||
u16 nc : 1; /* 表示是否有连续的下一个指令，一般多页操作需要连续发送多个指令 */
|
||
u16 cmd_type : 4; /* 表示命令类型 */
|
||
u16 dc : 1; /* 表示命令发送是否包含有数据周期，有数据此位为1 */
|
||
u16 auto_rs : 1; /* 表示命令发送完成后是否检测闪存状态 */
|
||
u16 ecc_en : 1; /* ECC 数据发送和读取使能位，位1 表示该命令仅发送或者读取ECC数据，当读命令该位使能位1后，控制器会对上一次数据进行ECC 校验，并返回结果 */
|
||
};
|
||
|
||
struct FNandDmaDescriptor
|
||
{
|
||
u8 cmd0; /* NAND FLASH 第一个命令编码 */
|
||
u8 cmd1; /* NAND FLASH 第二个命令编码 */
|
||
union
|
||
{
|
||
u16 ctrl;
|
||
struct CmdCtrl nfc_ctrl;
|
||
} cmd_ctrl; /* 16位命令字 */
|
||
u8 addr[FNAND_NFC_ADDR_MAX_LEN];
|
||
u16 page_cnt;
|
||
u8 mem_addr_first[FNAND_NFC_ADDR_MAX_LEN];
|
||
|
||
} __attribute__((packed)) __attribute__((aligned(128)));
|
||
|
||
|
||
|
||
typedef struct
|
||
{
|
||
u8 *addr_p; /* Address */
|
||
u32 addr_length;
|
||
uintptr phy_address;
|
||
u32 phy_bytes_length;
|
||
u32 chip_addr;
|
||
u8 contiune_dma; /* */
|
||
} FNandDmaPackData;
|
||
|
||
|
||
/* DMA format */
|
||
typedef struct
|
||
{
|
||
s32 start_cmd; /* Start command */
|
||
s32 end_cmd; /* End command */
|
||
u8 addr_cycles; /* Number of address cycles */
|
||
u8 cmd_type; /* Presentation command type ,followed by FNAND_CMDCTRL_XXXX */
|
||
u8 ecc_en; /* Hardware ecc open */
|
||
u8 auto_rs; /* 表示命令发送完成后是否检测闪存状态 */
|
||
} FNandCmdFormat;
|
||
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif // !
|