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/*
* NAND Flash Controller Device Driver
* Copyright (c) 2009 - 2010, Intel Corporation and its suppliers.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <linux/mtd/nand.h>
#define DEVICE_RESET 0x0
#define DEVICE_RESET__BANK0 0x0001
#define DEVICE_RESET__BANK1 0x0002
#define DEVICE_RESET__BANK2 0x0004
#define DEVICE_RESET__BANK3 0x0008
#define TRANSFER_SPARE_REG 0x10
#define TRANSFER_SPARE_REG__FLAG 0x0001
#define LOAD_WAIT_CNT 0x20
#define LOAD_WAIT_CNT__VALUE 0xffff
#define PROGRAM_WAIT_CNT 0x30
#define PROGRAM_WAIT_CNT__VALUE 0xffff
#define ERASE_WAIT_CNT 0x40
#define ERASE_WAIT_CNT__VALUE 0xffff
#define INT_MON_CYCCNT 0x50
#define INT_MON_CYCCNT__VALUE 0xffff
#define RB_PIN_ENABLED 0x60
#define RB_PIN_ENABLED__BANK0 0x0001
#define RB_PIN_ENABLED__BANK1 0x0002
#define RB_PIN_ENABLED__BANK2 0x0004
#define RB_PIN_ENABLED__BANK3 0x0008
#define MULTIPLANE_OPERATION 0x70
#define MULTIPLANE_OPERATION__FLAG 0x0001
#define MULTIPLANE_READ_ENABLE 0x80
#define MULTIPLANE_READ_ENABLE__FLAG 0x0001
#define COPYBACK_DISABLE 0x90
#define COPYBACK_DISABLE__FLAG 0x0001
#define CACHE_WRITE_ENABLE 0xa0
#define CACHE_WRITE_ENABLE__FLAG 0x0001
#define CACHE_READ_ENABLE 0xb0
#define CACHE_READ_ENABLE__FLAG 0x0001
#define PREFETCH_MODE 0xc0
#define PREFETCH_MODE__PREFETCH_EN 0x0001
#define PREFETCH_MODE__PREFETCH_BURST_LENGTH 0xfff0
#define CHIP_ENABLE_DONT_CARE 0xd0
#define CHIP_EN_DONT_CARE__FLAG 0x01
#define ECC_ENABLE 0xe0
#define ECC_ENABLE__FLAG 0x0001
#define GLOBAL_INT_ENABLE 0xf0
#define GLOBAL_INT_EN_FLAG 0x01
#define WE_2_RE 0x100
#define WE_2_RE__VALUE 0x003f
#define ADDR_2_DATA 0x110
#define ADDR_2_DATA__VALUE 0x003f
#define RE_2_WE 0x120
#define RE_2_WE__VALUE 0x003f
#define ACC_CLKS 0x130
#define ACC_CLKS__VALUE 0x000f
#define NUMBER_OF_PLANES 0x140
#define NUMBER_OF_PLANES__VALUE 0x0007
#define PAGES_PER_BLOCK 0x150
#define PAGES_PER_BLOCK__VALUE 0xffff
#define DEVICE_WIDTH 0x160
#define DEVICE_WIDTH__VALUE 0x0003
#define DEVICE_MAIN_AREA_SIZE 0x170
#define DEVICE_MAIN_AREA_SIZE__VALUE 0xffff
#define DEVICE_SPARE_AREA_SIZE 0x180
#define DEVICE_SPARE_AREA_SIZE__VALUE 0xffff
#define TWO_ROW_ADDR_CYCLES 0x190
#define TWO_ROW_ADDR_CYCLES__FLAG 0x0001
#define MULTIPLANE_ADDR_RESTRICT 0x1a0
#define MULTIPLANE_ADDR_RESTRICT__FLAG 0x0001
#define ECC_CORRECTION 0x1b0
#define ECC_CORRECTION__VALUE 0x001f
#define READ_MODE 0x1c0
#define READ_MODE__VALUE 0x000f
#define WRITE_MODE 0x1d0
#define WRITE_MODE__VALUE 0x000f
#define COPYBACK_MODE 0x1e0
#define COPYBACK_MODE__VALUE 0x000f
#define RDWR_EN_LO_CNT 0x1f0
#define RDWR_EN_LO_CNT__VALUE 0x001f
#define RDWR_EN_HI_CNT 0x200
#define RDWR_EN_HI_CNT__VALUE 0x001f
#define MAX_RD_DELAY 0x210
#define MAX_RD_DELAY__VALUE 0x000f
#define CS_SETUP_CNT 0x220
#define CS_SETUP_CNT__VALUE 0x001f
#define SPARE_AREA_SKIP_BYTES 0x230
#define SPARE_AREA_SKIP_BYTES__VALUE 0x003f
#define SPARE_AREA_MARKER 0x240
#define SPARE_AREA_MARKER__VALUE 0xffff
#define DEVICES_CONNECTED 0x250
#define DEVICES_CONNECTED__VALUE 0x0007
#define DIE_MASK 0x260
#define DIE_MASK__VALUE 0x00ff
#define FIRST_BLOCK_OF_NEXT_PLANE 0x270
#define FIRST_BLOCK_OF_NEXT_PLANE__VALUE 0xffff
#define WRITE_PROTECT 0x280
#define WRITE_PROTECT__FLAG 0x0001
#define RE_2_RE 0x290
#define RE_2_RE__VALUE 0x003f
#define MANUFACTURER_ID 0x300
#define MANUFACTURER_ID__VALUE 0x00ff
#define DEVICE_ID 0x310
#define DEVICE_ID__VALUE 0x00ff
#define DEVICE_PARAM_0 0x320
#define DEVICE_PARAM_0__VALUE 0x00ff
#define DEVICE_PARAM_1 0x330
#define DEVICE_PARAM_1__VALUE 0x00ff
#define DEVICE_PARAM_2 0x340
#define DEVICE_PARAM_2__VALUE 0x00ff
#define LOGICAL_PAGE_DATA_SIZE 0x350
#define LOGICAL_PAGE_DATA_SIZE__VALUE 0xffff
#define LOGICAL_PAGE_SPARE_SIZE 0x360
#define LOGICAL_PAGE_SPARE_SIZE__VALUE 0xffff
#define REVISION 0x370
#define REVISION__VALUE 0xffff
#define ONFI_DEVICE_FEATURES 0x380
#define ONFI_DEVICE_FEATURES__VALUE 0x003f
#define ONFI_OPTIONAL_COMMANDS 0x390
#define ONFI_OPTIONAL_COMMANDS__VALUE 0x003f
#define ONFI_TIMING_MODE 0x3a0
#define ONFI_TIMING_MODE__VALUE 0x003f
#define ONFI_PGM_CACHE_TIMING_MODE 0x3b0
#define ONFI_PGM_CACHE_TIMING_MODE__VALUE 0x003f
#define ONFI_DEVICE_NO_OF_LUNS 0x3c0
#define ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS 0x00ff
#define ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE 0x0100
#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L 0x3d0
#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE 0xffff
#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U 0x3e0
#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE 0xffff
#define FEATURES 0x3f0
#define FEATURES__N_BANKS 0x0003
#define FEATURES__ECC_MAX_ERR 0x003c
#define FEATURES__DMA 0x0040
#define FEATURES__CMD_DMA 0x0080
#define FEATURES__PARTITION 0x0100
#define FEATURES__XDMA_SIDEBAND 0x0200
#define FEATURES__GPREG 0x0400
#define FEATURES__INDEX_ADDR 0x0800
#define TRANSFER_MODE 0x400
#define TRANSFER_MODE__VALUE 0x0003
#define INTR_STATUS(__bank) (0x410 + ((__bank) * 0x50))
#define INTR_EN(__bank) (0x420 + ((__bank) * 0x50))
#define INTR_STATUS__ECC_TRANSACTION_DONE 0x0001
#define INTR_STATUS__ECC_ERR 0x0002
#define INTR_STATUS__DMA_CMD_COMP 0x0004
#define INTR_STATUS__TIME_OUT 0x0008
#define INTR_STATUS__PROGRAM_FAIL 0x0010
#define INTR_STATUS__ERASE_FAIL 0x0020
#define INTR_STATUS__LOAD_COMP 0x0040
#define INTR_STATUS__PROGRAM_COMP 0x0080
#define INTR_STATUS__ERASE_COMP 0x0100
#define INTR_STATUS__PIPE_CPYBCK_CMD_COMP 0x0200
#define INTR_STATUS__LOCKED_BLK 0x0400
#define INTR_STATUS__UNSUP_CMD 0x0800
#define INTR_STATUS__INT_ACT 0x1000
#define INTR_STATUS__RST_COMP 0x2000
#define INTR_STATUS__PIPE_CMD_ERR 0x4000
#define INTR_STATUS__PAGE_XFER_INC 0x8000
#define INTR_EN__ECC_TRANSACTION_DONE 0x0001
#define INTR_EN__ECC_ERR 0x0002
#define INTR_EN__DMA_CMD_COMP 0x0004
#define INTR_EN__TIME_OUT 0x0008
#define INTR_EN__PROGRAM_FAIL 0x0010
#define INTR_EN__ERASE_FAIL 0x0020
#define INTR_EN__LOAD_COMP 0x0040
#define INTR_EN__PROGRAM_COMP 0x0080
#define INTR_EN__ERASE_COMP 0x0100
#define INTR_EN__PIPE_CPYBCK_CMD_COMP 0x0200
#define INTR_EN__LOCKED_BLK 0x0400
#define INTR_EN__UNSUP_CMD 0x0800
#define INTR_EN__INT_ACT 0x1000
#define INTR_EN__RST_COMP 0x2000
#define INTR_EN__PIPE_CMD_ERR 0x4000
#define INTR_EN__PAGE_XFER_INC 0x8000
#define PAGE_CNT(__bank) (0x430 + ((__bank) * 0x50))
#define ERR_PAGE_ADDR(__bank) (0x440 + ((__bank) * 0x50))
#define ERR_BLOCK_ADDR(__bank) (0x450 + ((__bank) * 0x50))
#define DATA_INTR 0x550
#define DATA_INTR__WRITE_SPACE_AV 0x0001
#define DATA_INTR__READ_DATA_AV 0x0002
#define DATA_INTR_EN 0x560
#define DATA_INTR_EN__WRITE_SPACE_AV 0x0001
#define DATA_INTR_EN__READ_DATA_AV 0x0002
#define GPREG_0 0x570
#define GPREG_0__VALUE 0xffff
#define GPREG_1 0x580
#define GPREG_1__VALUE 0xffff
#define GPREG_2 0x590
#define GPREG_2__VALUE 0xffff
#define GPREG_3 0x5a0
#define GPREG_3__VALUE 0xffff
#define ECC_THRESHOLD 0x600
#define ECC_THRESHOLD__VALUE 0x03ff
#define ECC_ERROR_BLOCK_ADDRESS 0x610
#define ECC_ERROR_BLOCK_ADDRESS__VALUE 0xffff
#define ECC_ERROR_PAGE_ADDRESS 0x620
#define ECC_ERROR_PAGE_ADDRESS__VALUE 0x0fff
#define ECC_ERROR_PAGE_ADDRESS__BANK 0xf000
#define ECC_ERROR_ADDRESS 0x630
#define ECC_ERROR_ADDRESS__OFFSET 0x0fff
#define ECC_ERROR_ADDRESS__SECTOR_NR 0xf000
#define ERR_CORRECTION_INFO 0x640
#define ERR_CORRECTION_INFO__BYTEMASK 0x00ff
#define ERR_CORRECTION_INFO__DEVICE_NR 0x0f00
#define ERR_CORRECTION_INFO__ERROR_TYPE 0x4000
#define ERR_CORRECTION_INFO__LAST_ERR_INFO 0x8000
#define DMA_ENABLE 0x700
#define DMA_ENABLE__FLAG 0x0001
#define IGNORE_ECC_DONE 0x710
#define IGNORE_ECC_DONE__FLAG 0x0001
#define DMA_INTR 0x720
#define DMA_INTR__TARGET_ERROR 0x0001
#define DMA_INTR__DESC_COMP_CHANNEL0 0x0002
#define DMA_INTR__DESC_COMP_CHANNEL1 0x0004
#define DMA_INTR__DESC_COMP_CHANNEL2 0x0008
#define DMA_INTR__DESC_COMP_CHANNEL3 0x0010
#define DMA_INTR__MEMCOPY_DESC_COMP 0x0020
#define DMA_INTR_EN 0x730
#define DMA_INTR_EN__TARGET_ERROR 0x0001
#define DMA_INTR_EN__DESC_COMP_CHANNEL0 0x0002
#define DMA_INTR_EN__DESC_COMP_CHANNEL1 0x0004
#define DMA_INTR_EN__DESC_COMP_CHANNEL2 0x0008
#define DMA_INTR_EN__DESC_COMP_CHANNEL3 0x0010
#define DMA_INTR_EN__MEMCOPY_DESC_COMP 0x0020
#define TARGET_ERR_ADDR_LO 0x740
#define TARGET_ERR_ADDR_LO__VALUE 0xffff
#define TARGET_ERR_ADDR_HI 0x750
#define TARGET_ERR_ADDR_HI__VALUE 0xffff
#define CHNL_ACTIVE 0x760
#define CHNL_ACTIVE__CHANNEL0 0x0001
#define CHNL_ACTIVE__CHANNEL1 0x0002
#define CHNL_ACTIVE__CHANNEL2 0x0004
#define CHNL_ACTIVE__CHANNEL3 0x0008
#define ACTIVE_SRC_ID 0x800
#define ACTIVE_SRC_ID__VALUE 0x00ff
#define PTN_INTR 0x810
#define PTN_INTR__CONFIG_ERROR 0x0001
#define PTN_INTR__ACCESS_ERROR_BANK0 0x0002
#define PTN_INTR__ACCESS_ERROR_BANK1 0x0004
#define PTN_INTR__ACCESS_ERROR_BANK2 0x0008
#define PTN_INTR__ACCESS_ERROR_BANK3 0x0010
#define PTN_INTR__REG_ACCESS_ERROR 0x0020
#define PTN_INTR_EN 0x820
#define PTN_INTR_EN__CONFIG_ERROR 0x0001
#define PTN_INTR_EN__ACCESS_ERROR_BANK0 0x0002
#define PTN_INTR_EN__ACCESS_ERROR_BANK1 0x0004
#define PTN_INTR_EN__ACCESS_ERROR_BANK2 0x0008
#define PTN_INTR_EN__ACCESS_ERROR_BANK3 0x0010
#define PTN_INTR_EN__REG_ACCESS_ERROR 0x0020
#define PERM_SRC_ID(__bank) (0x830 + ((__bank) * 0x40))
#define PERM_SRC_ID__SRCID 0x00ff
#define PERM_SRC_ID__DIRECT_ACCESS_ACTIVE 0x0800
#define PERM_SRC_ID__WRITE_ACTIVE 0x2000
#define PERM_SRC_ID__READ_ACTIVE 0x4000
#define PERM_SRC_ID__PARTITION_VALID 0x8000
#define MIN_BLK_ADDR(__bank) (0x840 + ((__bank) * 0x40))
#define MIN_BLK_ADDR__VALUE 0xffff
#define MAX_BLK_ADDR(__bank) (0x850 + ((__bank) * 0x40))
#define MAX_BLK_ADDR__VALUE 0xffff
#define MIN_MAX_BANK(__bank) (0x860 + ((__bank) * 0x40))
#define MIN_MAX_BANK__MIN_VALUE 0x0003
#define MIN_MAX_BANK__MAX_VALUE 0x000c
/* ffsdefs.h */
#define CLEAR 0 /*use this to clear a field instead of "fail"*/
#define SET 1 /*use this to set a field instead of "pass"*/
#define FAIL 1 /*failed flag*/
#define PASS 0 /*success flag*/
#define ERR -1 /*error flag*/
/* lld.h */
#define GOOD_BLOCK 0
#define DEFECTIVE_BLOCK 1
#define READ_ERROR 2
#define CLK_X 5
#define CLK_MULTI 4
/* spectraswconfig.h */
#define CMD_DMA 0
#define SPECTRA_PARTITION_ID 0
/**** Block Table and Reserved Block Parameters *****/
#define SPECTRA_START_BLOCK 3
#define NUM_FREE_BLOCKS_GATE 30
/* KBV - Updated to LNW scratch register address */
#define SCRATCH_REG_ADDR CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR
#define SCRATCH_REG_SIZE 64
#define GLOB_HWCTL_DEFAULT_BLKS 2048
#define SUPPORT_15BITECC 1
#define SUPPORT_8BITECC 1
#define CUSTOM_CONF_PARAMS 0
#define ONFI_BLOOM_TIME 1
#define MODE5_WORKAROUND 0
/* lld_nand.h */
/*
* NAND Flash Controller Device Driver
* Copyright (c) 2009, Intel Corporation and its suppliers.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef _LLD_NAND_
#define _LLD_NAND_
#define MODE_00 0x00000000
#define MODE_01 0x04000000
#define MODE_10 0x08000000
#define MODE_11 0x0C000000
#define DATA_TRANSFER_MODE 0
#define PROTECTION_PER_BLOCK 1
#define LOAD_WAIT_COUNT 2
#define PROGRAM_WAIT_COUNT 3
#define ERASE_WAIT_COUNT 4
#define INT_MONITOR_CYCLE_COUNT 5
#define READ_BUSY_PIN_ENABLED 6
#define MULTIPLANE_OPERATION_SUPPORT 7
#define PRE_FETCH_MODE 8
#define CE_DONT_CARE_SUPPORT 9
#define COPYBACK_SUPPORT 10
#define CACHE_WRITE_SUPPORT 11
#define CACHE_READ_SUPPORT 12
#define NUM_PAGES_IN_BLOCK 13
#define ECC_ENABLE_SELECT 14
#define WRITE_ENABLE_2_READ_ENABLE 15
#define ADDRESS_2_DATA 16
#define READ_ENABLE_2_WRITE_ENABLE 17
#define TWO_ROW_ADDRESS_CYCLES 18
#define MULTIPLANE_ADDRESS_RESTRICT 19
#define ACC_CLOCKS 20
#define READ_WRITE_ENABLE_LOW_COUNT 21
#define READ_WRITE_ENABLE_HIGH_COUNT 22
#define ECC_SECTOR_SIZE 512
struct nand_buf {
int head;
int tail;
uint8_t *buf;
dma_addr_t dma_buf;
};
#define INTEL_CE4100 1
#define INTEL_MRST 2
#define DT 3
struct denali_nand_info {
struct mtd_info mtd;
struct nand_chip nand;
int flash_bank; /* currently selected chip */
int status;
int platform;
struct nand_buf buf;
struct device *dev;
int total_used_banks;
uint32_t block; /* stored for future use */
uint16_t page;
void __iomem *flash_reg; /* Mapped io reg base address */
void __iomem *flash_mem; /* Mapped io reg base address */
/* elements used by ISR */
struct completion complete;
spinlock_t irq_lock;
uint32_t irq_status;
int irq_debug_array[32];
int idx;
int irq;
uint32_t devnum; /* represent how many nands connected */
uint32_t fwblks; /* represent how many blocks FW used */
uint32_t totalblks;
uint32_t blksperchip;
uint32_t bbtskipbytes;
uint32_t max_banks;
};
extern int denali_init(struct denali_nand_info *denali);
extern void denali_remove(struct denali_nand_info *denali);
#endif /*_LLD_NAND_*/
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