pmc551.h
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上传日期:2013-04-10
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- /*
- * $Id: pmc551.h,v 1.4 2001/06/12 16:19:38 major Exp $
- *
- * PMC551 PCI Mezzanine Ram Device
- *
- * Author:
- * Mark Ferrell
- * Copyright 1999,2000 Nortel Networks
- *
- * License:
- * As part of this driver was derrived from the slram.c driver it falls
- * under the same license, which is GNU General Public License v2
- */
- #ifndef __MTD_PMC551_H__
- #define __MTD_PMC551_H__
- #include <linux/mtd/mtd.h>
- #define PMC551_VERSION "$Id: pmc551.h,v 1.4 2001/06/12 16:19:38 major Exp $n"
- "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.n"
- /*
- * Our personal and private information
- */
- struct mypriv {
- struct pci_dev *dev;
- u_char *start;
- u32 base_map0;
- u32 curr_map0;
- u32 asize;
- struct mtd_info *nextpmc551;
- };
- /*
- * Function Prototypes
- */
- static int pmc551_erase(struct mtd_info *, struct erase_info *);
- static void pmc551_unpoint(struct mtd_info *, u_char *);
- static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
- static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
- static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
- /*
- * Define the PCI ID's if the kernel doesn't define them for us
- */
- #ifndef PCI_VENDOR_ID_V3_SEMI
- #define PCI_VENDOR_ID_V3_SEMI 0x11b0
- #endif
- #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC
- #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200
- #endif
- #define PMC551_PCI_MEM_MAP0 0x50
- #define PMC551_PCI_MEM_MAP1 0x54
- #define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK 0x3ff00000
- #define PMC551_PCI_MEM_MAP_APERTURE_MASK 0x000000f0
- #define PMC551_PCI_MEM_MAP_REG_EN 0x00000002
- #define PMC551_PCI_MEM_MAP_ENABLE 0x00000001
- #define PMC551_SDRAM_MA 0x60
- #define PMC551_SDRAM_CMD 0x62
- #define PMC551_DRAM_CFG 0x64
- #define PMC551_SYS_CTRL_REG 0x78
- #define PMC551_DRAM_BLK0 0x68
- #define PMC551_DRAM_BLK1 0x6c
- #define PMC551_DRAM_BLK2 0x70
- #define PMC551_DRAM_BLK3 0x74
- #define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f))
- #define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) | (((v) & 0x7) << 12))
- #define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) | (((v) & 0xf) << 8))
- #endif /* __MTD_PMC551_H__ */