include/linux/mtd/pmc551.h

   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