c89eeda810
Not all configurations of the Denali controller support 4 banks. The controller can support between 1 and 16 banks. Detect this from the design features register. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
499 lines
15 KiB
C
499 lines
15 KiB
C
/*
|
|
* 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
|
|
|
|
#define DENALI_BUF_SIZE (NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE)
|
|
|
|
struct nand_buf {
|
|
int head;
|
|
int tail;
|
|
uint8_t buf[DENALI_BUF_SIZE];
|
|
dma_addr_t dma_buf;
|
|
};
|
|
|
|
#define INTEL_CE4100 1
|
|
#define INTEL_MRST 2
|
|
|
|
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;
|
|
|
|
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;
|
|
};
|
|
|
|
#endif /*_LLD_NAND_*/
|