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Stefan Roese887e2ec2006-09-07 11:51:23 +02001/*
2 * linux/include/linux/mtd/ndfc.h
3 *
4 * Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de>
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
58struct ndfc_controller_settings {
59 uint32_t ccr_settings;
60 uint64_t ndfc_erpn;
61};
62
63struct ndfc_chip_settings {
64 uint32_t bank_settings;
65};
66
67#endif