[mirror_ubuntu-artful-kernel.git] / 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__ */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* PMC551 PCI Mezzanine Ram Device
	3	*
	4	* Author:
	5	* Mark Ferrell
	6	* Copyright 1999,2000 Nortel Networks
	7	*
61ecfa87	8	* License:
1da177e4 LT	9	* As part of this driver was derrived from the slram.c driver it falls
	10	* under the same license, which is GNU General Public License v2
	11	*/
	12
	13	#ifndef __MTD_PMC551_H__
	14	#define __MTD_PMC551_H__
	15
	16	#include <linux/mtd/mtd.h>
	17
59018b6d	18	#define PMC551_VERSION \
1da177e4 LT	19	"Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n"
	20
	21	/*
	22	* Our personal and private information
	23	*/
	24	struct mypriv {
	25	struct pci_dev *dev;
	26	u_char *start;
	27	u32 base_map0;
	28	u32 curr_map0;
	29	u32 asize;
	30	struct mtd_info *nextpmc551;
61ecfa87	31	};
1da177e4 LT	32
	33	/*
	34	* Function Prototypes
	35	*/
	36	static int pmc551_erase(struct mtd_info , struct erase_info );
a98889f3 JH	37	static void pmc551_unpoint(struct mtd_info *, loff_t, size_t);
	38	static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
	39	size_t retlen, void virt, resource_size_t phys);
1da177e4	40	static int pmc551_read(struct mtd_info , loff_t, size_t, size_t , u_char *);
61ecfa87	41	static int pmc551_write(struct mtd_info , loff_t, size_t, size_t , const u_char *);
1da177e4 LT	42
	43
	44	/*
	45	* Define the PCI ID's if the kernel doesn't define them for us
	46	*/
	47	#ifndef PCI_VENDOR_ID_V3_SEMI
	48	#define PCI_VENDOR_ID_V3_SEMI 0x11b0
	49	#endif
	50
	51	#ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC
61ecfa87	52	#define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200
1da177e4 LT	53	#endif
	54
	55
	56	#define PMC551_PCI_MEM_MAP0 0x50
	57	#define PMC551_PCI_MEM_MAP1 0x54
	58	#define PMC551_PCI_MEM_MAP_MAP_ADDR_MASK 0x3ff00000
	59	#define PMC551_PCI_MEM_MAP_APERTURE_MASK 0x000000f0
	60	#define PMC551_PCI_MEM_MAP_REG_EN 0x00000002
	61	#define PMC551_PCI_MEM_MAP_ENABLE 0x00000001
	62
	63	#define PMC551_SDRAM_MA 0x60
	64	#define PMC551_SDRAM_CMD 0x62
	65	#define PMC551_DRAM_CFG 0x64
	66	#define PMC551_SYS_CTRL_REG 0x78
	67
	68	#define PMC551_DRAM_BLK0 0x68
	69	#define PMC551_DRAM_BLK1 0x6c
	70	#define PMC551_DRAM_BLK2 0x70
	71	#define PMC551_DRAM_BLK3 0x74
	72	#define PMC551_DRAM_BLK_GET_SIZE(x) (524288<<((x>>4)&0x0f))
	73	#define PMC551_DRAM_BLK_SET_COL_MUX(x,v) (((x) & ~0x00007000) \| (((v) & 0x7) << 12))
	74	#define PMC551_DRAM_BLK_SET_ROW_MUX(x,v) (((x) & ~0x00000f00) \| (((v) & 0xf) << 8))
	75
	76
	77	#endif /* __MTD_PMC551_H__ */
	78