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