1/* 2 * $Id: pmc551.h,v 1.1.1.1 2008/10/15 03:29:28 james26_jang 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 1.1.1.1 2008/10/15 03:29:28 james26_jang Exp $\n"\ 21 "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n" 22 23/* 24 * Our personal and private information 25 */ 26struct 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 */ 38static int pmc551_erase(struct mtd_info *, struct erase_info *); 39static void pmc551_unpoint(struct mtd_info *, u_char *); 40static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf); 41static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); 42static 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