root/include/linux/mtd/pmc551.h

/*
 * 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 \
       "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 *, loff_t, size_t);
static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
                size_t *retlen, void **virt, resource_size_t *phys);
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__ */