Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * PMC551 PCI Mezzanine Ram Device |
3 | * | |
4 | * Author: | |
5 | * Mark Ferrell | |
6 | * Copyright 1999,2000 Nortel Networks | |
7 | * | |
61ecfa87 | 8 | * License: |
1da177e4 LT |
9 | * As part of this driver was derrived from the slram.c driver it falls |
10 | * under the same license, which is GNU General Public License v2 | |
11 | */ | |
12 | ||
13 | #ifndef __MTD_PMC551_H__ | |
14 | #define __MTD_PMC551_H__ | |
15 | ||
16 | #include <linux/mtd/mtd.h> | |
17 | ||
59018b6d | 18 | #define PMC551_VERSION \ |
1da177e4 LT |
19 | "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n" |
20 | ||
21 | /* | |
22 | * Our personal and private information | |
23 | */ | |
24 | struct mypriv { | |
25 | struct pci_dev *dev; | |
26 | u_char *start; | |
27 | u32 base_map0; | |
28 | u32 curr_map0; | |
29 | u32 asize; | |
30 | struct mtd_info *nextpmc551; | |
61ecfa87 | 31 | }; |
1da177e4 LT |
32 | |
33 | /* | |
34 | * Function Prototypes | |
35 | */ | |
36 | static int pmc551_erase(struct mtd_info *, struct erase_info *); | |
a98889f3 JH |
37 | static void pmc551_unpoint(struct mtd_info *, loff_t, size_t); |
38 | static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, | |
39 | size_t *retlen, void **virt, resource_size_t *phys); | |
1da177e4 | 40 | static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); |
61ecfa87 | 41 | static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); |
1da177e4 LT |
42 | |
43 | ||
44 | /* | |
45 | * Define the PCI ID's if the kernel doesn't define them for us | |
46 | */ | |
47 | #ifndef PCI_VENDOR_ID_V3_SEMI | |
48 | #define PCI_VENDOR_ID_V3_SEMI 0x11b0 | |
49 | #endif | |
50 | ||
51 | #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC | |
61ecfa87 | 52 | #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200 |
1da177e4 LT |
53 | #endif |
54 | ||
55 | ||
56 | #define PMC551_PCI_MEM_MAP0 0x50 | |
57 | #define PMC551_PCI_MEM_MAP1 0x54 | |
58 | #define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK 0x3ff00000 | |
59 | #define PMC551_PCI_MEM_MAP_APERTURE_MASK 0x000000f0 | |
60 | #define PMC551_PCI_MEM_MAP_REG_EN 0x00000002 | |
61 | #define PMC551_PCI_MEM_MAP_ENABLE 0x00000001 | |
62 | ||
63 | #define PMC551_SDRAM_MA 0x60 | |
64 | #define PMC551_SDRAM_CMD 0x62 | |
65 | #define PMC551_DRAM_CFG 0x64 | |
66 | #define PMC551_SYS_CTRL_REG 0x78 | |
67 | ||
68 | #define PMC551_DRAM_BLK0 0x68 | |
69 | #define PMC551_DRAM_BLK1 0x6c | |
70 | #define PMC551_DRAM_BLK2 0x70 | |
71 | #define PMC551_DRAM_BLK3 0x74 | |
72 | #define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f)) | |
73 | #define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) | (((v) & 0x7) << 12)) | |
74 | #define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) | (((v) & 0xf) << 8)) | |
75 | ||
76 | ||
77 | #endif /* __MTD_PMC551_H__ */ | |
78 |