[linux.git] / include / linux / mtd / ndfc.h

/*
 *  linux/include/linux/mtd/ndfc.h
 *
 *  Copyright (c) 2006 Thomas Gleixner <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  Info:
 *   Contains defines, datastructures for ndfc nand controller
 *
 */
#ifndef __LINUX_MTD_NDFC_H
#define __LINUX_MTD_NDFC_H

/* NDFC Register definitions */
#define NDFC_CMD		0x00
#define NDFC_ALE		0x04
#define NDFC_DATA		0x08
#define NDFC_ECC		0x10
#define NDFC_BCFG0		0x30
#define NDFC_BCFG1		0x34
#define NDFC_BCFG2		0x38
#define NDFC_BCFG3		0x3c
#define NDFC_CCR		0x40
#define NDFC_STAT		0x44
#define NDFC_HWCTL		0x48
#define NDFC_REVID		0x50

#define NDFC_STAT_IS_READY	0x01000000

#define NDFC_CCR_RESET_CE	0x80000000 /* CE Reset */
#define NDFC_CCR_RESET_ECC	0x40000000 /* ECC Reset */
#define NDFC_CCR_RIE		0x20000000 /* Interrupt Enable on Device Rdy */
#define NDFC_CCR_REN		0x10000000 /* Enable wait for Rdy in LinearR */
#define NDFC_CCR_ROMEN		0x08000000 /* Enable ROM In LinearR */
#define NDFC_CCR_ARE		0x04000000 /* Auto-Read Enable */
#define NDFC_CCR_BS(x)		(((x) & 0x3) << 24) /* Select Bank on CE[x] */
#define NDFC_CCR_BS_MASK	0x03000000 /* Select Bank */
#define NDFC_CCR_ARAC0		0x00000000 /* 3 Addr, 1 Col 2 Row 512b page */
#define NDFC_CCR_ARAC1		0x00001000 /* 4 Addr, 1 Col 3 Row 512b page */
#define NDFC_CCR_ARAC2		0x00002000 /* 4 Addr, 2 Col 2 Row 2K page */
#define NDFC_CCR_ARAC3		0x00003000 /* 5 Addr, 2 Col 3 Row 2K page */
#define NDFC_CCR_ARAC_MASK	0x00003000 /* Auto-Read mode Addr Cycles */
#define NDFC_CCR_RPG		0x0000C000 /* Auto-Read Page */
#define NDFC_CCR_EBCC		0x00000004 /* EBC Configuration Completed */
#define NDFC_CCR_DHC		0x00000002 /* Direct Hardware Control Enable */

#define NDFC_BxCFG_EN		0x80000000 /* Bank Enable */
#define NDFC_BxCFG_CED		0x40000000 /* nCE Style */
#define NDFC_BxCFG_SZ_MASK	0x08000000 /* Bank Size */
#define NDFC_BxCFG_SZ_8BIT	0x00000000 /* 8bit */
#define NDFC_BxCFG_SZ_16BIT	0x08000000 /* 16bit */

#define NDFC_MAX_BANKS		4

struct ndfc_controller_settings {
	uint32_t	ccr_settings;
	uint64_t	ndfc_erpn;
};

struct ndfc_chip_settings {
	uint32_t	bank_settings;
};

#endif
Commit	Line	Data
ce4c61f1 TG	1	/*
	2	* linux/include/linux/mtd/ndfc.h
	3	*
	4	* Copyright (c) 2006 Thomas Gleixner <[email protected]>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* Info:
	11	* Contains defines, datastructures for ndfc nand controller
	12	*
	13	*/
	14	#ifndef __LINUX_MTD_NDFC_H
	15	#define __LINUX_MTD_NDFC_H
	16
	17	/* NDFC Register definitions */
	18	#define NDFC_CMD 0x00
	19	#define NDFC_ALE 0x04
	20	#define NDFC_DATA 0x08
	21	#define NDFC_ECC 0x10
	22	#define NDFC_BCFG0 0x30
	23	#define NDFC_BCFG1 0x34
	24	#define NDFC_BCFG2 0x38
	25	#define NDFC_BCFG3 0x3c
	26	#define NDFC_CCR 0x40
	27	#define NDFC_STAT 0x44
	28	#define NDFC_HWCTL 0x48
	29	#define NDFC_REVID 0x50
	30
	31	#define NDFC_STAT_IS_READY 0x01000000
	32
	33	#define NDFC_CCR_RESET_CE 0x80000000 /* CE Reset */
	34	#define NDFC_CCR_RESET_ECC 0x40000000 /* ECC Reset */
	35	#define NDFC_CCR_RIE 0x20000000 /* Interrupt Enable on Device Rdy */
	36	#define NDFC_CCR_REN 0x10000000 /* Enable wait for Rdy in LinearR */
	37	#define NDFC_CCR_ROMEN 0x08000000 /* Enable ROM In LinearR */
	38	#define NDFC_CCR_ARE 0x04000000 /* Auto-Read Enable */
	39	#define NDFC_CCR_BS(x) (((x) & 0x3) << 24) /* Select Bank on CE[x] */
	40	#define NDFC_CCR_BS_MASK 0x03000000 /* Select Bank */
	41	#define NDFC_CCR_ARAC0 0x00000000 /* 3 Addr, 1 Col 2 Row 512b page */
	42	#define NDFC_CCR_ARAC1 0x00001000 /* 4 Addr, 1 Col 3 Row 512b page */
	43	#define NDFC_CCR_ARAC2 0x00002000 /* 4 Addr, 2 Col 2 Row 2K page */
	44	#define NDFC_CCR_ARAC3 0x00003000 /* 5 Addr, 2 Col 3 Row 2K page */
	45	#define NDFC_CCR_ARAC_MASK 0x00003000 /* Auto-Read mode Addr Cycles */
	46	#define NDFC_CCR_RPG 0x0000C000 /* Auto-Read Page */
	47	#define NDFC_CCR_EBCC 0x00000004 /* EBC Configuration Completed */
	48	#define NDFC_CCR_DHC 0x00000002 /* Direct Hardware Control Enable */
	49
	50	#define NDFC_BxCFG_EN 0x80000000 /* Bank Enable */
	51	#define NDFC_BxCFG_CED 0x40000000 /* nCE Style */
	52	#define NDFC_BxCFG_SZ_MASK 0x08000000 /* Bank Size */
	53	#define NDFC_BxCFG_SZ_8BIT 0x00000000 /* 8bit */
	54	#define NDFC_BxCFG_SZ_16BIT 0x08000000 /* 16bit */
	55
	56	#define NDFC_MAX_BANKS 4
	57
	58	struct ndfc_controller_settings {
8be834f7 TG	59	uint32_t ccr_settings;
8be834f7 TG	60	uint64_t ndfc_erpn;
ce4c61f1 TG	61	};
	62
	63	struct ndfc_chip_settings {
	64	uint32_t bank_settings;
	65	};
	66
	67	#endif