2 * linux/include/linux/mtd/ndfc.h
4 * Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de>
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.
11 * Contains defines, datastructures for ndfc nand controller
14 #ifndef __LINUX_MTD_NDFC_H
15 #define __LINUX_MTD_NDFC_H
17 /* NDFC Register definitions */
20 #define NDFC_DATA 0x08
22 #define NDFC_BCFG0 0x30
23 #define NDFC_BCFG1 0x34
24 #define NDFC_BCFG2 0x38
25 #define NDFC_BCFG3 0x3c
27 #define NDFC_STAT 0x44
28 #define NDFC_HWCTL 0x48
29 #define NDFC_REVID 0x50
31 #define NDFC_STAT_IS_READY 0x01000000
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 */
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 */
56 #define NDFC_MAX_BANKS 4
58 struct ndfc_controller_settings
{
59 uint32_t ccr_settings
;
63 struct ndfc_chip_settings
{
64 uint32_t bank_settings
;
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