| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * $Id: pmc551.h,v 1.5 2003/01/24 16:49:53 dwmw2 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 1.5 2003/01/24 16:49:53 dwmw2 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 | |