diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-05 05:35:33 -0500 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-05 05:35:33 -0500 |
commit | 0719dc341389882cc834ed18fc9b7fc6006b2b85 (patch) | |
tree | 794480ac62c07ea8cc4e69c2cb3d2b83bb7f36b7 /arch/arm/plat-pxa | |
parent | e28edb723e64200554194da17617ee6e82de6690 (diff) | |
parent | 677f4f64e4b2336682f0e15c69b206ade6f6b131 (diff) |
Merge branch 'devel-stable' into devel
Diffstat (limited to 'arch/arm/plat-pxa')
-rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h new file mode 100644 index 000000000000..3478eae32d8a --- /dev/null +++ b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | |||
@@ -0,0 +1,63 @@ | |||
1 | #ifndef __ASM_ARCH_PXA3XX_NAND_H | ||
2 | #define __ASM_ARCH_PXA3XX_NAND_H | ||
3 | |||
4 | #include <linux/mtd/mtd.h> | ||
5 | #include <linux/mtd/partitions.h> | ||
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 | const struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ | ||
34 | const 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 | |||
44 | struct pxa3xx_nand_platform_data { | ||
45 | |||
46 | /* the data flash bus is shared between the Static Memory | ||
47 | * Controller and the Data Flash Controller, the arbiter | ||
48 | * controls the ownership of the bus | ||
49 | */ | ||
50 | int enable_arbiter; | ||
51 | |||
52 | /* allow platform code to keep OBM/bootloader defined NFC config */ | ||
53 | int keep_config; | ||
54 | |||
55 | const struct mtd_partition *parts; | ||
56 | unsigned int nr_parts; | ||
57 | |||
58 | const struct pxa3xx_nand_flash * flash; | ||
59 | size_t num_flash; | ||
60 | }; | ||
61 | |||
62 | extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); | ||
63 | #endif /* __ASM_ARCH_PXA3XX_NAND_H */ | ||