200 lines
6.3 KiB
C
200 lines
6.3 KiB
C
/*
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* linux/include/linux/mtd/onenand_regs.h
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*
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* OneNAND Register header file
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*
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* Copyright (C) 2005-2007 Samsung Electronics
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* Kyungmin Park <kyungmin.park@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ONENAND_REG_H
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#define __ONENAND_REG_H
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/* Memory Address Map Translation (Word order) */
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#define ONENAND_MEMORY_MAP(x) ((x) << 1)
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/*
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* External BufferRAM area
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*/
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#define ONENAND_BOOTRAM ONENAND_MEMORY_MAP(0x0000)
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#define ONENAND_DATARAM ONENAND_MEMORY_MAP(0x0200)
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#define ONENAND_SPARERAM ONENAND_MEMORY_MAP(0x8010)
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/*
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* OneNAND Registers
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*/
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#define ONENAND_REG_MANUFACTURER_ID ONENAND_MEMORY_MAP(0xF000)
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#define ONENAND_REG_DEVICE_ID ONENAND_MEMORY_MAP(0xF001)
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#define ONENAND_REG_VERSION_ID ONENAND_MEMORY_MAP(0xF002)
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#define ONENAND_REG_DATA_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF003)
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#define ONENAND_REG_BOOT_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF004)
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#define ONENAND_REG_NUM_BUFFERS ONENAND_MEMORY_MAP(0xF005)
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#define ONENAND_REG_TECHNOLOGY ONENAND_MEMORY_MAP(0xF006)
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#define ONENAND_REG_START_ADDRESS1 ONENAND_MEMORY_MAP(0xF100)
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#define ONENAND_REG_START_ADDRESS2 ONENAND_MEMORY_MAP(0xF101)
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#define ONENAND_REG_START_ADDRESS3 ONENAND_MEMORY_MAP(0xF102)
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#define ONENAND_REG_START_ADDRESS4 ONENAND_MEMORY_MAP(0xF103)
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#define ONENAND_REG_START_ADDRESS5 ONENAND_MEMORY_MAP(0xF104)
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#define ONENAND_REG_START_ADDRESS6 ONENAND_MEMORY_MAP(0xF105)
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#define ONENAND_REG_START_ADDRESS7 ONENAND_MEMORY_MAP(0xF106)
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#define ONENAND_REG_START_ADDRESS8 ONENAND_MEMORY_MAP(0xF107)
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#define ONENAND_REG_START_BUFFER ONENAND_MEMORY_MAP(0xF200)
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#define ONENAND_REG_COMMAND ONENAND_MEMORY_MAP(0xF220)
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#define ONENAND_REG_SYS_CFG1 ONENAND_MEMORY_MAP(0xF221)
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#define ONENAND_REG_SYS_CFG2 ONENAND_MEMORY_MAP(0xF222)
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#define ONENAND_REG_CTRL_STATUS ONENAND_MEMORY_MAP(0xF240)
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#define ONENAND_REG_INTERRUPT ONENAND_MEMORY_MAP(0xF241)
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#define ONENAND_REG_START_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24C)
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#define ONENAND_REG_END_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24D)
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#define ONENAND_REG_WP_STATUS ONENAND_MEMORY_MAP(0xF24E)
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#define ONENAND_REG_ECC_STATUS ONENAND_MEMORY_MAP(0xFF00)
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#define ONENAND_REG_ECC_M0 ONENAND_MEMORY_MAP(0xFF01)
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#define ONENAND_REG_ECC_S0 ONENAND_MEMORY_MAP(0xFF02)
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#define ONENAND_REG_ECC_M1 ONENAND_MEMORY_MAP(0xFF03)
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#define ONENAND_REG_ECC_S1 ONENAND_MEMORY_MAP(0xFF04)
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#define ONENAND_REG_ECC_M2 ONENAND_MEMORY_MAP(0xFF05)
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#define ONENAND_REG_ECC_S2 ONENAND_MEMORY_MAP(0xFF06)
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#define ONENAND_REG_ECC_M3 ONENAND_MEMORY_MAP(0xFF07)
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#define ONENAND_REG_ECC_S3 ONENAND_MEMORY_MAP(0xFF08)
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/*
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* Device ID Register F001h (R)
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*/
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#define ONENAND_DEVICE_DENSITY_MASK (0xf)
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#define ONENAND_DEVICE_DENSITY_SHIFT (4)
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#define ONENAND_DEVICE_IS_DDP (1 << 3)
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#define ONENAND_DEVICE_IS_DEMUX (1 << 2)
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#define ONENAND_DEVICE_VCC_MASK (0x3)
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#define ONENAND_DEVICE_DENSITY_512Mb (0x002)
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#define ONENAND_DEVICE_DENSITY_1Gb (0x003)
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#define ONENAND_DEVICE_DENSITY_2Gb (0x004)
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#define ONENAND_DEVICE_DENSITY_4Gb (0x005)
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/*
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* Version ID Register F002h (R)
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*/
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#define ONENAND_VERSION_PROCESS_SHIFT (8)
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/*
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* Start Address 1 F100h (R/W) & Start Address 2 F101h (R/W)
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*/
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#define ONENAND_DDP_SHIFT (15)
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#define ONENAND_DDP_CHIP0 (0)
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#define ONENAND_DDP_CHIP1 (1 << ONENAND_DDP_SHIFT)
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/*
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* Start Address 8 F107h (R/W)
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*/
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#define ONENAND_FPA_MASK (0x3f)
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#define ONENAND_FPA_SHIFT (2)
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#define ONENAND_FSA_MASK (0x03)
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/*
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* Start Buffer Register F200h (R/W)
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*/
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#define ONENAND_BSA_MASK (0x03)
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#define ONENAND_BSA_SHIFT (8)
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#define ONENAND_BSA_BOOTRAM (0 << 2)
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#define ONENAND_BSA_DATARAM0 (2 << 2)
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#define ONENAND_BSA_DATARAM1 (3 << 2)
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#define ONENAND_BSC_MASK (0x03)
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/*
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* Command Register F220h (R/W)
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*/
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#define ONENAND_CMD_READ (0x00)
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#define ONENAND_CMD_READOOB (0x13)
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#define ONENAND_CMD_PROG (0x80)
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#define ONENAND_CMD_PROGOOB (0x1A)
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#define ONENAND_CMD_2X_PROG (0x7D)
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#define ONENAND_CMD_2X_CACHE_PROG (0x7F)
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#define ONENAND_CMD_UNLOCK (0x23)
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#define ONENAND_CMD_LOCK (0x2A)
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#define ONENAND_CMD_LOCK_TIGHT (0x2C)
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#define ONENAND_CMD_UNLOCK_ALL (0x27)
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#define ONENAND_CMD_ERASE (0x94)
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#define ONENAND_CMD_RESET (0xF0)
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#define ONENAND_CMD_OTP_ACCESS (0x65)
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#define ONENAND_CMD_READID (0x90)
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/* NOTE: Those are not *REAL* commands */
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#define ONENAND_CMD_BUFFERRAM (0x1978)
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/*
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* System Configuration 1 Register F221h (R, R/W)
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*/
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#define ONENAND_SYS_CFG1_SYNC_READ (1 << 15)
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#define ONENAND_SYS_CFG1_BRL_7 (7 << 12)
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#define ONENAND_SYS_CFG1_BRL_6 (6 << 12)
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#define ONENAND_SYS_CFG1_BRL_5 (5 << 12)
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#define ONENAND_SYS_CFG1_BRL_4 (4 << 12)
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#define ONENAND_SYS_CFG1_BRL_3 (3 << 12)
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#define ONENAND_SYS_CFG1_BRL_10 (2 << 12)
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#define ONENAND_SYS_CFG1_BRL_9 (1 << 12)
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#define ONENAND_SYS_CFG1_BRL_8 (0 << 12)
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#define ONENAND_SYS_CFG1_BRL_SHIFT (12)
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#define ONENAND_SYS_CFG1_BL_32 (4 << 9)
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#define ONENAND_SYS_CFG1_BL_16 (3 << 9)
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#define ONENAND_SYS_CFG1_BL_8 (2 << 9)
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#define ONENAND_SYS_CFG1_BL_4 (1 << 9)
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#define ONENAND_SYS_CFG1_BL_CONT (0 << 9)
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#define ONENAND_SYS_CFG1_BL_SHIFT (9)
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#define ONENAND_SYS_CFG1_NO_ECC (1 << 8)
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#define ONENAND_SYS_CFG1_RDY (1 << 7)
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#define ONENAND_SYS_CFG1_INT (1 << 6)
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#define ONENAND_SYS_CFG1_IOBE (1 << 5)
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#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4)
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/*
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* Controller Status Register F240h (R)
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*/
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#define ONENAND_CTRL_ONGO (1 << 15)
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#define ONENAND_CTRL_LOCK (1 << 14)
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#define ONENAND_CTRL_LOAD (1 << 13)
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#define ONENAND_CTRL_PROGRAM (1 << 12)
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#define ONENAND_CTRL_ERASE (1 << 11)
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#define ONENAND_CTRL_ERROR (1 << 10)
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#define ONENAND_CTRL_RSTB (1 << 7)
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#define ONENAND_CTRL_OTP_L (1 << 6)
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#define ONENAND_CTRL_OTP_BL (1 << 5)
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/*
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* Interrupt Status Register F241h (R)
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*/
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#define ONENAND_INT_MASTER (1 << 15)
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#define ONENAND_INT_READ (1 << 7)
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#define ONENAND_INT_WRITE (1 << 6)
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#define ONENAND_INT_ERASE (1 << 5)
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#define ONENAND_INT_RESET (1 << 4)
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#define ONENAND_INT_CLEAR (0 << 0)
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/*
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* NAND Flash Write Protection Status Register F24Eh (R)
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*/
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#define ONENAND_WP_US (1 << 2)
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#define ONENAND_WP_LS (1 << 1)
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#define ONENAND_WP_LTS (1 << 0)
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/*
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* ECC Status Reigser FF00h (R)
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*/
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#define ONENAND_ECC_1BIT (1 << 0)
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#define ONENAND_ECC_1BIT_ALL (0x5555)
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#define ONENAND_ECC_2BIT (1 << 1)
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#define ONENAND_ECC_2BIT_ALL (0xAAAA)
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/*
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* One-Time Programmable (OTP)
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*/
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#define ONENAND_OTP_LOCK_OFFSET (14)
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#endif /* __ONENAND_REG_H */
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