2 * PMC551 PCI Mezzanine Ram Device
6 * Copyright 1999,2000 Nortel Networks
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
13 #ifndef __MTD_PMC551_H__
14 #define __MTD_PMC551_H__
16 #include <linux/mtd/mtd.h>
18 #define PMC551_VERSION \
19 "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"
22 * Our personal and private information
30 struct mtd_info *nextpmc551;
36 static int pmc551_erase(struct mtd_info *, struct erase_info *);
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);
40 static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
41 static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
45 * Define the PCI ID's if the kernel doesn't define them for us
47 #ifndef PCI_VENDOR_ID_V3_SEMI
48 #define PCI_VENDOR_ID_V3_SEMI 0x11b0
51 #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC
52 #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200
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
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
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))
77 #endif /* __MTD_PMC551_H__ */