diff options
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/pxa3xx_nand.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h index eb4b190b6657..0dc50d82ea73 100644 --- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h +++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h | |||
@@ -4,6 +4,50 @@ | |||
4 | #include <linux/mtd/mtd.h> | 4 | #include <linux/mtd/mtd.h> |
5 | #include <linux/mtd/partitions.h> | 5 | #include <linux/mtd/partitions.h> |
6 | 6 | ||
7 | struct pxa3xx_nand_timing { | ||
8 | unsigned int tCH; /* Enable signal hold time */ | ||
9 | unsigned int tCS; /* Enable signal setup time */ | ||
10 | unsigned int tWH; /* ND_nWE high duration */ | ||
11 | unsigned int tWP; /* ND_nWE pulse time */ | ||
12 | unsigned int tRH; /* ND_nRE high duration */ | ||
13 | unsigned int tRP; /* ND_nRE pulse width */ | ||
14 | unsigned int tR; /* ND_nWE high to ND_nRE low for read */ | ||
15 | unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ | ||
16 | unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ | ||
17 | }; | ||
18 | |||
19 | struct pxa3xx_nand_cmdset { | ||
20 | uint16_t read1; | ||
21 | uint16_t read2; | ||
22 | uint16_t program; | ||
23 | uint16_t read_status; | ||
24 | uint16_t read_id; | ||
25 | uint16_t erase; | ||
26 | uint16_t reset; | ||
27 | uint16_t lock; | ||
28 | uint16_t unlock; | ||
29 | uint16_t lock_status; | ||
30 | }; | ||
31 | |||
32 | struct pxa3xx_nand_flash { | ||
33 | struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ | ||
34 | struct pxa3xx_nand_cmdset *cmdset; | ||
35 | |||
36 | uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */ | ||
37 | uint32_t page_size; /* Page size in bytes (PAGE_SZ) */ | ||
38 | uint32_t flash_width; /* Width of Flash memory (DWIDTH_M) */ | ||
39 | uint32_t dfc_width; /* Width of flash controller(DWIDTH_C) */ | ||
40 | uint32_t num_blocks; /* Number of physical blocks in Flash */ | ||
41 | uint32_t chip_id; | ||
42 | |||
43 | /* NOTE: these are automatically calculated, do not define */ | ||
44 | size_t oob_size; | ||
45 | size_t read_id_bytes; | ||
46 | |||
47 | unsigned int col_addr_cycles; | ||
48 | unsigned int row_addr_cycles; | ||
49 | }; | ||
50 | |||
7 | struct pxa3xx_nand_platform_data { | 51 | struct pxa3xx_nand_platform_data { |
8 | 52 | ||
9 | /* the data flash bus is shared between the Static Memory | 53 | /* the data flash bus is shared between the Static Memory |