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423 giacomo 1 
/*
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 * $Id: pmc551.h,v 1.1 2004-01-28 15:30:51 giacomo Exp $
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 *
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 * PMC551 PCI Mezzanine Ram Device
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 *
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 * Author:
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 *       Mark Ferrell
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 *       Copyright 1999,2000 Nortel Networks
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 *
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 * License:
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 *       As part of this driver was derrived from the slram.c driver it falls
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 *       under the same license, which is GNU General Public License v2
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 */
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#ifndef __MTD_PMC551_H__
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#define __MTD_PMC551_H__
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#include <linux/mtd/mtd.h>
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#define PMC551_VERSION "$Id: pmc551.h,v 1.1 2004-01-28 15:30:51 giacomo Exp $\n"\
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       "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"
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/*
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 * Our personal and private information
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 */
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struct mypriv {
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        struct pci_dev *dev;
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        u_char *start;
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        u32    base_map0;
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        u32    curr_map0;
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        u32    asize;
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        struct mtd_info *nextpmc551;
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};                      
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/*
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 * Function Prototypes
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 */
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static int pmc551_erase(struct mtd_info *, struct erase_info *);
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static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t);
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static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
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static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
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static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);        
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/*
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 * Define the PCI ID's if the kernel doesn't define them for us
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 */
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#ifndef PCI_VENDOR_ID_V3_SEMI
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#define PCI_VENDOR_ID_V3_SEMI             0x11b0
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#endif
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#ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC
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#define PCI_DEVICE_ID_V3_SEMI_V370PDC     0x0200  
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#endif
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#define PMC551_PCI_MEM_MAP0     0x50
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#define PMC551_PCI_MEM_MAP1     0x54
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#define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK        0x3ff00000
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#define PMC551_PCI_MEM_MAP_APERTURE_MASK        0x000000f0
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#define PMC551_PCI_MEM_MAP_REG_EN               0x00000002
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#define PMC551_PCI_MEM_MAP_ENABLE               0x00000001
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#define PMC551_SDRAM_MA         0x60
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#define PMC551_SDRAM_CMD        0x62
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#define PMC551_DRAM_CFG         0x64
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#define PMC551_SYS_CTRL_REG     0x78
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#define PMC551_DRAM_BLK0        0x68
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#define PMC551_DRAM_BLK1        0x6c
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#define PMC551_DRAM_BLK2        0x70
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#define PMC551_DRAM_BLK3        0x74
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#define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f))
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#define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) | (((v) & 0x7) << 12))
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#define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) | (((v) & 0xf) << 8))
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#endif /* __MTD_PMC551_H__ */
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