1 /*
2 * $Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $
3 *
4 * PMC551 PCI Mezzanine Ram Device
5 *
6 * Author:
7 * Mark Ferrell
8 * Copyright 1999,2000 Nortel Networks
9 *
10 * License:
11 * As part of this driver was derrived from the slram.c driver it falls
12 * under the same license, which is GNU General Public License v2
13 */
14
15 #ifndef __MTD_PMC551_H__
16 #define __MTD_PMC551_H__
17
18 #include <linux/mtd/mtd.h>
19
20 #define PMC551_VERSION "$Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $\n"\
21 "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"
22
23 /*
24 * Our personal and private information
25 */
26 struct mypriv {
27 struct pci_dev *dev;
28 u_char *start;
29 u32 base_map0;
30 u32 curr_map0;
31 u32 asize;
32 struct mtd_info *nextpmc551;
33 };
34
35 /*
36 * Function Prototypes
37 */
38 static int pmc551_erase(struct mtd_info *, struct erase_info *);
39 static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t);
40 static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
41 static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
42 static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
43
44
45 /*
46 * Define the PCI ID's if the kernel doesn't define them for us
47 */
48 #ifndef PCI_VENDOR_ID_V3_SEMI
49 #define PCI_VENDOR_ID_V3_SEMI 0x11b0
50 #endif
51
52 #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC
53 #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200
54 #endif
55
56
57 #define PMC551_PCI_MEM_MAP0 0x50
58 #define PMC551_PCI_MEM_MAP1 0x54
59 #define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK 0x3ff00000
60 #define PMC551_PCI_MEM_MAP_APERTURE_MASK 0x000000f0
61 #define PMC551_PCI_MEM_MAP_REG_EN 0x00000002
62 #define PMC551_PCI_MEM_MAP_ENABLE 0x00000001
63
64 #define PMC551_SDRAM_MA 0x60
65 #define PMC551_SDRAM_CMD 0x62
66 #define PMC551_DRAM_CFG 0x64
67 #define PMC551_SYS_CTRL_REG 0x78
68
69 #define PMC551_DRAM_BLK0 0x68
70 #define PMC551_DRAM_BLK1 0x6c
71 #define PMC551_DRAM_BLK2 0x70
72 #define PMC551_DRAM_BLK3 0x74
73 #define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f))
74 #define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) | (((v) & 0x7) << 12))
75 #define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) | (((v) & 0xf) << 8))
76
77
78 #endif /* __MTD_PMC551_H__ */
79
80
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