/*- * Copyright 2013 Broadcom Corporation * * Copyright (c) 2009-2010 Micron Technology, Inc. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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 * GNU General Public License for more details. * * Henry Pan <hspan@micron.com> * * based on nand.h */ #ifndef __LINUX_MTD_SPI_NAND_H #define __LINUX_MTD_SPI_NAND_H #include <linux/wait.h> #include <linux/spinlock.h> #include <linux/mtd/mtd.h> /* cmd */ #define CMD_READ 0x13 #define CMD_READ_RDM 0x03 #define CMD_PROG_PAGE_CLRCACHE 0x02 #define CMD_PROG_PAGE 0x84 #define CMD_PROG_PAGE_EXC 0x10 #define CMD_ERASE_BLK 0xd8 #define CMD_WR_ENABLE 0x06 #define CMD_WR_DISABLE 0x04 #define CMD_READ_ID 0x9f #define CMD_RESET 0xff #define CMD_READ_REG 0x0f #define CMD_WRITE_REG 0x1f /* feature/ status reg */ #define REG_BLOCK_LOCK 0xa0 #define REG_OTP 0xb0 #define REG_STATUS 0xc0 /* timing */ /* status */ #define STATUS_OIP_MASK 0x01 #define STATUS_READY 0 #define STATUS_BUSY BIT(0) #define STATUS_E_FAIL_MASK 0x04 #define STATUS_E_FAIL BIT(2) #define STATUS_P_FAIL_MASK 0x08 #define STATUS_P_FAIL BIT(3) #define STATUS_ECC_MASK 0x30 #define STATUS_ECC_1BIT_CORRECTED BIT(4) #define STATUS_ECC_ERROR BIT(5) #define STATUS_ECC_RESERVED (BIT(5) | BIT(4)) /*ECC enable defines*/ #define OTP_ECC_MASK 0x10 #define OTP_ECC_OFF 0 #define OTP_ECC_ON 1 #define ECC_DISABLED #define ECC_IN_NAND #define ECC_SOFT /* block lock */ #define BL_ALL_LOCKED 0x38 #define BL_1_2_LOCKED 0x30 #define BL_1_4_LOCKED 0x28 #define BL_1_8_LOCKED 0x20 #define BL_1_16_LOCKED 0x18 #define BL_1_32_LOCKED 0x10 #define BL_1_64_LOCKED 0x08 #define BL_ALL_UNLOCKED 0 struct spinand_info { struct spi_device *spi; void *priv; }; struct spinand_state { u32 col; u32 row; int buf_ptr; u8 *buf; }; struct spinand_cmd { u8 cmd; u32 n_addr; /* Number of address */ u8 addr[3]; /* Reg Offset */ u32 n_dummy; /* Dummy use */ u32 n_tx; /* Number of tx bytes */ u8 *tx_buf; /* Tx buf */ u32 n_rx; /* Number of rx bytes */ u8 *rx_buf; /* Rx buf */ }; int spinand_mtd(struct mtd_info *mtd); void spinand_mtd_release(struct mtd_info *mtd); #endif /* __LINUX_MTD_SPI_NAND_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kamlakant Patel | 264 | 96.70% | 1 | 33.33% |
| Eva Rachel Retuya | 9 | 3.30% | 2 | 66.67% |
| Total | 273 | 100.00% | 3 | 100.00% |