| /* |
| * 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 (12) |
| #define ONENAND_SYS_CFG1_BL (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 */ |
