diff options
Diffstat (limited to 'include/linux/mtd/onenand.h')
-rw-r--r-- | include/linux/mtd/onenand.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 9aa2a9149b58..8ed873374381 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h | |||
@@ -17,6 +17,7 @@ | |||
17 | #include <linux/mtd/onenand_regs.h> | 17 | #include <linux/mtd/onenand_regs.h> |
18 | #include <linux/mtd/bbm.h> | 18 | #include <linux/mtd/bbm.h> |
19 | 19 | ||
20 | #define MAX_DIES 2 | ||
20 | #define MAX_BUFFERRAM 2 | 21 | #define MAX_BUFFERRAM 2 |
21 | 22 | ||
22 | /* Scan and identify a OneNAND device */ | 23 | /* Scan and identify a OneNAND device */ |
@@ -51,7 +52,12 @@ struct onenand_bufferram { | |||
51 | /** | 52 | /** |
52 | * struct onenand_chip - OneNAND Private Flash Chip Data | 53 | * struct onenand_chip - OneNAND Private Flash Chip Data |
53 | * @base: [BOARDSPECIFIC] address to access OneNAND | 54 | * @base: [BOARDSPECIFIC] address to access OneNAND |
55 | * @dies: [INTERN][FLEX-ONENAND] number of dies on chip | ||
56 | * @boundary: [INTERN][FLEX-ONENAND] Boundary of the dies | ||
57 | * @diesize: [INTERN][FLEX-ONENAND] Size of the dies | ||
54 | * @chipsize: [INTERN] the size of one chip for multichip arrays | 58 | * @chipsize: [INTERN] the size of one chip for multichip arrays |
59 | * FIXME For Flex-OneNAND, chipsize holds maximum possible | ||
60 | * device size ie when all blocks are considered MLC | ||
55 | * @device_id: [INTERN] device ID | 61 | * @device_id: [INTERN] device ID |
56 | * @density_mask: chip density, used for DDP devices | 62 | * @density_mask: chip density, used for DDP devices |
57 | * @verstion_id: [INTERN] version ID | 63 | * @verstion_id: [INTERN] version ID |
@@ -68,6 +74,8 @@ struct onenand_bufferram { | |||
68 | * @command: [REPLACEABLE] hardware specific function for writing | 74 | * @command: [REPLACEABLE] hardware specific function for writing |
69 | * commands to the chip | 75 | * commands to the chip |
70 | * @wait: [REPLACEABLE] hardware specific function for wait on ready | 76 | * @wait: [REPLACEABLE] hardware specific function for wait on ready |
77 | * @bbt_wait: [REPLACEABLE] hardware specific function for bbt wait on ready | ||
78 | * @unlock_all: [REPLACEABLE] hardware specific function for unlock all | ||
71 | * @read_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area | 79 | * @read_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area |
72 | * @write_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area | 80 | * @write_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area |
73 | * @read_word: [REPLACEABLE] hardware specific function for read | 81 | * @read_word: [REPLACEABLE] hardware specific function for read |
@@ -92,9 +100,13 @@ struct onenand_bufferram { | |||
92 | */ | 100 | */ |
93 | struct onenand_chip { | 101 | struct onenand_chip { |
94 | void __iomem *base; | 102 | void __iomem *base; |
103 | unsigned dies; | ||
104 | unsigned boundary[MAX_DIES]; | ||
105 | loff_t diesize[MAX_DIES]; | ||
95 | unsigned int chipsize; | 106 | unsigned int chipsize; |
96 | unsigned int device_id; | 107 | unsigned int device_id; |
97 | unsigned int version_id; | 108 | unsigned int version_id; |
109 | unsigned int technology; | ||
98 | unsigned int density_mask; | 110 | unsigned int density_mask; |
99 | unsigned int options; | 111 | unsigned int options; |
100 | 112 | ||
@@ -108,6 +120,8 @@ struct onenand_chip { | |||
108 | 120 | ||
109 | int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len); | 121 | int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len); |
110 | int (*wait)(struct mtd_info *mtd, int state); | 122 | int (*wait)(struct mtd_info *mtd, int state); |
123 | int (*bbt_wait)(struct mtd_info *mtd, int state); | ||
124 | void (*unlock_all)(struct mtd_info *mtd); | ||
111 | int (*read_bufferram)(struct mtd_info *mtd, int area, | 125 | int (*read_bufferram)(struct mtd_info *mtd, int area, |
112 | unsigned char *buffer, int offset, size_t count); | 126 | unsigned char *buffer, int offset, size_t count); |
113 | int (*write_bufferram)(struct mtd_info *mtd, int area, | 127 | int (*write_bufferram)(struct mtd_info *mtd, int area, |
@@ -145,6 +159,8 @@ struct onenand_chip { | |||
145 | #define ONENAND_SET_BUFFERRAM0(this) (this->bufferram_index = 0) | 159 | #define ONENAND_SET_BUFFERRAM0(this) (this->bufferram_index = 0) |
146 | #define ONENAND_SET_BUFFERRAM1(this) (this->bufferram_index = 1) | 160 | #define ONENAND_SET_BUFFERRAM1(this) (this->bufferram_index = 1) |
147 | 161 | ||
162 | #define FLEXONENAND(this) \ | ||
163 | (this->device_id & DEVICE_IS_FLEXONENAND) | ||
148 | #define ONENAND_GET_SYS_CFG1(this) \ | 164 | #define ONENAND_GET_SYS_CFG1(this) \ |
149 | (this->read_word(this->base + ONENAND_REG_SYS_CFG1)) | 165 | (this->read_word(this->base + ONENAND_REG_SYS_CFG1)) |
150 | #define ONENAND_SET_SYS_CFG1(v, this) \ | 166 | #define ONENAND_SET_SYS_CFG1(v, this) \ |
@@ -153,6 +169,9 @@ struct onenand_chip { | |||
153 | #define ONENAND_IS_DDP(this) \ | 169 | #define ONENAND_IS_DDP(this) \ |
154 | (this->device_id & ONENAND_DEVICE_IS_DDP) | 170 | (this->device_id & ONENAND_DEVICE_IS_DDP) |
155 | 171 | ||
172 | #define ONENAND_IS_MLC(this) \ | ||
173 | (this->technology & ONENAND_TECHNOLOGY_IS_MLC) | ||
174 | |||
156 | #ifdef CONFIG_MTD_ONENAND_2X_PROGRAM | 175 | #ifdef CONFIG_MTD_ONENAND_2X_PROGRAM |
157 | #define ONENAND_IS_2PLANE(this) \ | 176 | #define ONENAND_IS_2PLANE(this) \ |
158 | (this->options & ONENAND_HAS_2PLANE) | 177 | (this->options & ONENAND_HAS_2PLANE) |
@@ -169,6 +188,7 @@ struct onenand_chip { | |||
169 | #define ONENAND_HAS_CONT_LOCK (0x0001) | 188 | #define ONENAND_HAS_CONT_LOCK (0x0001) |
170 | #define ONENAND_HAS_UNLOCK_ALL (0x0002) | 189 | #define ONENAND_HAS_UNLOCK_ALL (0x0002) |
171 | #define ONENAND_HAS_2PLANE (0x0004) | 190 | #define ONENAND_HAS_2PLANE (0x0004) |
191 | #define ONENAND_SKIP_UNLOCK_CHECK (0x0100) | ||
172 | #define ONENAND_PAGEBUF_ALLOC (0x1000) | 192 | #define ONENAND_PAGEBUF_ALLOC (0x1000) |
173 | #define ONENAND_OOBBUF_ALLOC (0x2000) | 193 | #define ONENAND_OOBBUF_ALLOC (0x2000) |
174 | 194 | ||
@@ -176,6 +196,7 @@ struct onenand_chip { | |||
176 | * OneNAND Flash Manufacturer ID Codes | 196 | * OneNAND Flash Manufacturer ID Codes |
177 | */ | 197 | */ |
178 | #define ONENAND_MFR_SAMSUNG 0xec | 198 | #define ONENAND_MFR_SAMSUNG 0xec |
199 | #define ONENAND_MFR_NUMONYX 0x20 | ||
179 | 200 | ||
180 | /** | 201 | /** |
181 | * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure | 202 | * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure |
@@ -189,5 +210,8 @@ struct onenand_manufacturers { | |||
189 | 210 | ||
190 | int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from, | 211 | int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from, |
191 | struct mtd_oob_ops *ops); | 212 | struct mtd_oob_ops *ops); |
213 | unsigned onenand_block(struct onenand_chip *this, loff_t addr); | ||
214 | loff_t onenand_addr(struct onenand_chip *this, int block); | ||
215 | int flexonenand_region(struct mtd_info *mtd, loff_t addr); | ||
192 | 216 | ||
193 | #endif /* __LINUX_MTD_ONENAND_H */ | 217 | #endif /* __LINUX_MTD_ONENAND_H */ |