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