Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * PMC551 PCI Mezzanine Ram Device
3 *
4 * Author:
5 * Mark Ferrell
6 * Copyright 1999,2000 Nortel Networks
7 *
8 * License:
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
18#define PMC551_VERSION \
19 "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"
20
21/*
22 * Our personal and private information
23 */
24struct 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;
31};
32
33/*
34 * Function Prototypes
35 */
36static int pmc551_erase(struct mtd_info *, struct erase_info *);
37static void pmc551_unpoint(struct mtd_info *, loff_t, size_t);
38static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
39 size_t *retlen, void **virt, resource_size_t *phys);
40static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
41static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
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
52#define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200
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