From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout.micron.com ([137.201.242.129]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cg5Cn-0007n3-0Q for linux-mtd@lists.infradead.org; Tue, 21 Feb 2017 07:49:51 +0000 From: Peter Pan To: , , , CC: , , Subject: [PATCH 01/11] nand: Add SPI NAND cmd set and register definition Date: Tue, 21 Feb 2017 16:00:00 +0800 Message-ID: <1487664010-25926-2-git-send-email-peterpandong@micron.com> In-Reply-To: <1487664010-25926-1-git-send-email-peterpandong@micron.com> References: <1487664010-25926-1-git-send-email-peterpandong@micron.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This commit adds SPI NAND command set and register definition according Micron SPI NAND data sheet. Signed-off-by: Peter Pan --- include/linux/mtd/spi-nand.h | 112 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 include/linux/mtd/spi-nand.h diff --git a/include/linux/mtd/spi-nand.h b/include/linux/mtd/spi-nand.h new file mode 100644 index 0000000..68442e08 --- /dev/null +++ b/include/linux/mtd/spi-nand.h @@ -0,0 +1,112 @@ +/** +* spi-nand.h +* +* Copyright (c) 2009-2017 Micron Technology, Inc. +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* as published by the Free Software Foundation; either version 2 +* 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 +* GNU General Public License for more details. +*/ +#ifndef __LINUX_MTD_SPI_NAND_H +#define __LINUX_MTD_SPI_NAND_H + +/* + * Standard SPI-NAND flash commands + */ +#define SPINAND_CMD_RESET 0xff +#define SPINAND_CMD_GET_FEATURE 0x0f +#define SPINAND_CMD_SET_FEATURE 0x1f +#define SPINAND_CMD_PAGE_READ 0x13 +#define SPINAND_CMD_READ_PAGE_CACHE_RDM 0x30 +#define SPINAND_CMD_READ_PAGE_CACHE_LAST 0x3f +#define SPINAND_CMD_READ_FROM_CACHE 0x03 +#define SPINAND_CMD_READ_FROM_CACHE_FAST 0x0b +#define SPINAND_CMD_READ_FROM_CACHE_X2 0x3b +#define SPINAND_CMD_READ_FROM_CACHE_DUAL_IO 0xbb +#define SPINAND_CMD_READ_FROM_CACHE_X4 0x6b +#define SPINAND_CMD_READ_FROM_CACHE_QUAD_IO 0xeb +#define SPINAND_CMD_BLK_ERASE 0xd8 +#define SPINAND_CMD_PROG_EXC 0x10 +#define SPINAND_CMD_PROG_LOAD 0x02 +#define SPINAND_CMD_PROG_LOAD_RDM_DATA 0x84 +#define SPINAND_CMD_PROG_LOAD_X4 0x32 +#define SPINAND_CMD_PROG_LOAD_RDM_DATA_X4 0x34 +#define SPINAND_CMD_READ_ID 0x9f +#define SPINAND_CMD_WR_DISABLE 0x04 +#define SPINAND_CMD_WR_ENABLE 0x06 +#define SPINAND_CMD_END 0x0 + + +/* feature registers */ +#define REG_BLOCK_LOCK 0xa0 +#define REG_CFG 0xb0 +#define REG_STATUS 0xc0 +#define REG_DIE_SELECT 0xd0 + +/* status */ +#define STATUS_OIP_MASK 0x01 +#define STATUS_CRBSY_MASK 0x80 +#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) + + +/*Configuration register defines*/ +#define CFG_QE_MASK 0x01 +#define CFG_QE_ENABLE 0x01 +#define CFG_ECC_MASK 0x10 +#define CFG_ECC_ENABLE 0x10 +#define CFG_LOT_MASK 0x20 +#define CFG_LOT_ENABLE 0x20 +#define CFG_OTP_MASK 0xc2 +#define CFG_OTP_ENTER 0x40 +#define CFG_OTP_EXIT 0x00 + +/* block lock */ +#define BL_ALL_LOCKED 0x7c +#define BL_U_1_1024_LOCKED 0x08 +#define BL_U_1_512_LOCKED 0x10 +#define BL_U_1_256_LOCKED 0x18 +#define BL_U_1_128_LOCKED 0x20 +#define BL_U_1_64_LOCKED 0x28 +#define BL_U_1_32_LOCKED 0x30 +#define BL_U_1_16_LOCKED 0x38 +#define BL_U_1_8_LOCKED 0x40 +#define BL_U_1_4_LOCKED 0x48 +#define BL_U_1_2_LOCKED 0x50 +#define BL_L_1_1024_LOCKED 0x0c +#define BL_L_1_512_LOCKED 0x14 +#define BL_L_1_256_LOCKED 0x1c +#define BL_L_1_128_LOCKED 0x24 +#define BL_L_1_64_LOCKED 0x2c +#define BL_L_1_32_LOCKED 0x34 +#define BL_L_1_16_LOCKED 0x3c +#define BL_L_1_8_LOCKED 0x44 +#define BL_L_1_4_LOCKED 0x4c +#define BL_L_1_2_LOCKED 0x54 +#define BL_ALL_UNLOCKED 0X00 + +/* die select */ +#define DIE_SELECT_MASK 0x40 +#define DIE_SELECT_DS0 0x00 +#define DIE_SELECT_DS1 0x40 + +#define SPI_NAND_MT29F_ECC_MASK 0x70 +#define SPI_NAND_MT29F_ECC_0_BIT 0x00 +#define SPI_NAND_MT29F_ECC_1_3_BIT 0x10 +#define SPI_NAND_MT29F_ECC_4_6_BIT 0x30 +#define SPI_NAND_MT29F_ECC_7_8_BIT 0x50 +#define SPI_NAND_MT29F_ECC_UNCORR 0x20 + +#endif /* __LINUX_MTD_SPI_NAND_H */ -- 1.9.1