satip-axe/kernel/drivers/mtd/nand/stm_nandc_regs.h
2015-03-26 17:24:57 +01:00

108 lines
3.4 KiB
C

/*
* STMicroelectronics NAND Controller
*
* See ADCS #7864584: "NAND Flash support upgrades for FMI Functional
* Secification".
*
* Copyright (c) 2008 STMicroelectronics Limited
* Author: Angus Clark <angus.clark@st.com>
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
*/
#ifndef STM_NANDC_REGS_H
#define STM_NANDC_REGS_H
#define EMINAND_CONFIG_SIZE 0x1000
/* Register Addresses (OFFSET from EMINAND_CONFIG_BASE) */
#define EMINAND_BOOTBANK_CONFIG 0x000
#define EMINAND_RBN_STATUS 0x004
#define EMINAND_INTERRUPT_ENABLE 0x010
#define EMINAND_INTERRUPT_STATUS 0x014
#define EMINAND_INTERRUPT_CLEAR 0x018
#define EMINAND_INTERRUPT_EDGECONFIG 0x01C
#define EMINAND_CONTROL_TIMING 0x040
#define EMINAND_WEN_TIMING 0x044
#define EMINAND_REN_TIMING 0x048
#define EMINAND_FLEXMODE_CONFIG 0x100
#define EMINAND_MUXCONTROL_REG 0x104
#define EMINAND_CSN_ALTERNATE 0x108
#define EMINAND_FLEX_DATAWRITE_CONFIG 0x10C
#define EMINAND_FLEX_DATAREAD_CONFIG 0x110
#define EMINAND_FLEX_COMMAND_REG 0x114
#define EMINAND_FLEX_ADDRESS_REG 0x118
#define EMINAND_FLEX_DATA 0x120
#define EMINAND_VERSION_REG 0x144
#define EMINAND_MULTI_CS_CONFIG_REG 0x1EC
/* Advanced Flex Mode registers (OFFSET from EMINAND_CONFIG_BASE) */
#define EMINAND_AFM_SEQUENCE_REG_1 0x200
#define EMINAND_AFM_SEQUENCE_REG_2 0x204
#define EMINAND_AFM_SEQUENCE_REG_3 0x208
#define EMINAND_AFM_SEQUENCE_REG_4 0x20C
#define EMINAND_AFM_ADDRESS_REG 0x210
#define EMINAND_AFM_EXTRA_REG 0x214
#define EMINAND_AFM_COMMAND_REG 0x218
#define EMINAND_AFM_SEQUENCE_CONFIG_REG 0x21C
#define EMINAND_AFM_GENERIC_CONFIG_REG 0x220
#define EMINAND_AFM_SEQUENCE_STATUS_REG 0x240
#define EMINAND_AFM_ECC_CHECKCODE_REG_0 0x280
#define EMINAND_AFM_ECC_CHECKCODE_REG_1 0x284
#define EMINAND_AFM_ECC_CHECKCODE_REG_2 0x288
#define EMINAND_AFM_ECC_CHECKCODE_REG_3 0x28C
#define EMINAND_AFM_DATA_FIFO 0x300
/* AFM Commands */
#define AFM_STOP 0x0
#define AFM_CMD 0x1
#define AFM_INC 0x2
#define AFM_DEC_JUMP 0x3
#define AFM_DATA 0x4
#define AFM_SPARE 0x5
#define AFM_CHECK 0x6
#define AFM_ADDR 0x7
#define AFM_WRBN 0xA
/* FLEX: Address Register Fields */
#define FLX_ADDR_REG_RBN (0x1 << 27)
#define FLX_ADDR_REG_BEAT_1 (0x1 << 28)
#define FLX_ADDR_REG_BEAT_2 (0x2 << 28)
#define FLX_ADDR_REG_BEAT_3 (0x3 << 28)
#define FLX_ADDR_REG_BEAT_4 (0x0 << 28)
#define FLX_ADDR_REG_ADD8_VALID (0x1 << 30)
#define FLX_ADDR_REG_CSN_STATUS (0x1 << 31)
/* FLEX: Commad Register fields */
#define FLX_CMD_REG_RBN (0x1 << 27)
#define FLX_CMD_REG_BEAT_1 (0x1 << 28)
#define FLX_CMD_REG_BEAT_2 (0x2 << 28)
#define FLX_CMD_REG_BEAT_3 (0x3 << 28)
#define FLX_CMD_REG_BEAT_4 (0x0 << 28)
#define FLX_CMD_REG_CSN_STATUS (0x1 << 31)
#define FLX_CMD(x) (((x) & 0xff) | \
FLX_CMD_REG_RBN | \
FLX_CMD_REG_BEAT_1 | \
FLX_CMD_REG_CSN_STATUS)
/* FLEX: Data Config fields */
#define FLX_DATA_CFG_RBN (0x1 << 27)
#define FLX_DATA_CFG_BEAT_1 (0x1 << 28)
#define FLX_DATA_CFG_BEAT_2 (0x2 << 28)
#define FLX_DATA_CFG_BEAT_3 (0x3 << 28)
#define FLX_DATA_CFG_BEAT_4 (0x0 << 28)
#define FLX_DATA_CFG_BYTES_1 (0x0 << 30)
#define FLX_DATA_CFG_BYTES_2 (0x1 << 30)
#define FLX_DATA_CFG_CSN_STATUS (0x1 << 31)
/* AFM: Sequence Config fields */
#define AFM_SEQ_CFG_GO (0x1 << 26)
#define AFM_SEQ_CFG_DIR_WRITE (0x1 << 24)
#endif /* STM_NANDC_REGS_H */