diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h')
-rw-r--r-- | kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h b/kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h new file mode 100644 index 000000000..7f2c24dc5 --- /dev/null +++ b/kernel/drivers/staging/mt29f_spinand/mt29f_spinand.h @@ -0,0 +1,107 @@ +/*- + * 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 << 0) +#define STATUS_BUSY (1 << 0) + +#define STATUS_E_FAIL_MASK 0x04 +#define STATUS_E_FAIL (1 << 2) + +#define STATUS_P_FAIL_MASK 0x08 +#define STATUS_P_FAIL (1 << 3) + +#define STATUS_ECC_MASK 0x30 +#define STATUS_ECC_1BIT_CORRECTED (1 << 4) +#define STATUS_ECC_ERROR (2 << 4) +#define STATUS_ECC_RESERVED (3 << 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 nand_ecclayout *ecclayout; + struct spi_device *spi; + void *priv; +}; + +struct spinand_state { + uint32_t col; + uint32_t 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 */ +}; + +extern int spinand_mtd(struct mtd_info *mtd); +extern void spinand_mtd_release(struct mtd_info *mtd); + +#endif /* __LINUX_MTD_SPI_NAND_H */ |