1 /* arch/arm/mach-s3c2410/include/mach/regs-nand.h
2  *
3  * Copyright (c) 2004-2005 Simtec Electronics <linux@simtec.co.uk>
4  *	http://www.simtec.co.uk/products/SWLINUX/
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  * S3C2410 NAND register definitions
11 */
12 
13 #ifndef __ASM_ARM_REGS_NAND
14 #define __ASM_ARM_REGS_NAND
15 
16 
17 #define S3C2410_NFREG(x) (x)
18 
19 #define S3C2410_NFCONF  S3C2410_NFREG(0x00)
20 #define S3C2410_NFCMD   S3C2410_NFREG(0x04)
21 #define S3C2410_NFADDR  S3C2410_NFREG(0x08)
22 #define S3C2410_NFDATA  S3C2410_NFREG(0x0C)
23 #define S3C2410_NFSTAT  S3C2410_NFREG(0x10)
24 #define S3C2410_NFECC   S3C2410_NFREG(0x14)
25 
26 #define S3C2440_NFCONT   S3C2410_NFREG(0x04)
27 #define S3C2440_NFCMD    S3C2410_NFREG(0x08)
28 #define S3C2440_NFADDR   S3C2410_NFREG(0x0C)
29 #define S3C2440_NFDATA   S3C2410_NFREG(0x10)
30 #define S3C2440_NFECCD0  S3C2410_NFREG(0x14)
31 #define S3C2440_NFECCD1  S3C2410_NFREG(0x18)
32 #define S3C2440_NFECCD   S3C2410_NFREG(0x1C)
33 #define S3C2440_NFSTAT   S3C2410_NFREG(0x20)
34 #define S3C2440_NFESTAT0 S3C2410_NFREG(0x24)
35 #define S3C2440_NFESTAT1 S3C2410_NFREG(0x28)
36 #define S3C2440_NFMECC0  S3C2410_NFREG(0x2C)
37 #define S3C2440_NFMECC1  S3C2410_NFREG(0x30)
38 #define S3C2440_NFSECC   S3C2410_NFREG(0x34)
39 #define S3C2440_NFSBLK   S3C2410_NFREG(0x38)
40 #define S3C2440_NFEBLK   S3C2410_NFREG(0x3C)
41 
42 #define S3C2412_NFSBLK		S3C2410_NFREG(0x20)
43 #define S3C2412_NFEBLK		S3C2410_NFREG(0x24)
44 #define S3C2412_NFSTAT		S3C2410_NFREG(0x28)
45 #define S3C2412_NFMECC_ERR0	S3C2410_NFREG(0x2C)
46 #define S3C2412_NFMECC_ERR1	S3C2410_NFREG(0x30)
47 #define S3C2412_NFMECC0		S3C2410_NFREG(0x34)
48 #define S3C2412_NFMECC1		S3C2410_NFREG(0x38)
49 #define S3C2412_NFSECC		S3C2410_NFREG(0x3C)
50 
51 #define S3C2410_NFCONF_EN          (1<<15)
52 #define S3C2410_NFCONF_512BYTE     (1<<14)
53 #define S3C2410_NFCONF_4STEP       (1<<13)
54 #define S3C2410_NFCONF_INITECC     (1<<12)
55 #define S3C2410_NFCONF_nFCE        (1<<11)
56 #define S3C2410_NFCONF_TACLS(x)    ((x)<<8)
57 #define S3C2410_NFCONF_TWRPH0(x)   ((x)<<4)
58 #define S3C2410_NFCONF_TWRPH1(x)   ((x)<<0)
59 
60 #define S3C2410_NFSTAT_BUSY        (1<<0)
61 
62 #define S3C2440_NFCONF_BUSWIDTH_8	(0<<0)
63 #define S3C2440_NFCONF_BUSWIDTH_16	(1<<0)
64 #define S3C2440_NFCONF_ADVFLASH		(1<<3)
65 #define S3C2440_NFCONF_TACLS(x)		((x)<<12)
66 #define S3C2440_NFCONF_TWRPH0(x)	((x)<<8)
67 #define S3C2440_NFCONF_TWRPH1(x)	((x)<<4)
68 
69 #define S3C2440_NFCONT_LOCKTIGHT	(1<<13)
70 #define S3C2440_NFCONT_SOFTLOCK		(1<<12)
71 #define S3C2440_NFCONT_ILLEGALACC_EN	(1<<10)
72 #define S3C2440_NFCONT_RNBINT_EN	(1<<9)
73 #define S3C2440_NFCONT_RN_FALLING	(1<<8)
74 #define S3C2440_NFCONT_SPARE_ECCLOCK	(1<<6)
75 #define S3C2440_NFCONT_MAIN_ECCLOCK	(1<<5)
76 #define S3C2440_NFCONT_INITECC		(1<<4)
77 #define S3C2440_NFCONT_nFCE		(1<<1)
78 #define S3C2440_NFCONT_ENABLE		(1<<0)
79 
80 #define S3C2440_NFSTAT_READY		(1<<0)
81 #define S3C2440_NFSTAT_nCE		(1<<1)
82 #define S3C2440_NFSTAT_RnB_CHANGE	(1<<2)
83 #define S3C2440_NFSTAT_ILLEGAL_ACCESS	(1<<3)
84 
85 #define S3C2412_NFCONF_NANDBOOT		(1<<31)
86 #define S3C2412_NFCONF_ECCCLKCON	(1<<30)
87 #define S3C2412_NFCONF_ECC_MLC		(1<<24)
88 #define S3C2412_NFCONF_TACLS_MASK	(7<<12)	/* 1 extra bit of Tacls */
89 
90 #define S3C2412_NFCONT_ECC4_DIRWR	(1<<18)
91 #define S3C2412_NFCONT_LOCKTIGHT	(1<<17)
92 #define S3C2412_NFCONT_SOFTLOCK		(1<<16)
93 #define S3C2412_NFCONT_ECC4_ENCINT	(1<<13)
94 #define S3C2412_NFCONT_ECC4_DECINT	(1<<12)
95 #define S3C2412_NFCONT_MAIN_ECC_LOCK	(1<<7)
96 #define S3C2412_NFCONT_INIT_MAIN_ECC	(1<<5)
97 #define S3C2412_NFCONT_nFCE1		(1<<2)
98 #define S3C2412_NFCONT_nFCE0		(1<<1)
99 
100 #define S3C2412_NFSTAT_ECC_ENCDONE	(1<<7)
101 #define S3C2412_NFSTAT_ECC_DECDONE	(1<<6)
102 #define S3C2412_NFSTAT_ILLEGAL_ACCESS	(1<<5)
103 #define S3C2412_NFSTAT_RnB_CHANGE	(1<<4)
104 #define S3C2412_NFSTAT_nFCE1		(1<<3)
105 #define S3C2412_NFSTAT_nFCE0		(1<<2)
106 #define S3C2412_NFSTAT_Res1		(1<<1)
107 #define S3C2412_NFSTAT_READY		(1<<0)
108 
109 #define S3C2412_NFECCERR_SERRDATA(x)	(((x) >> 21) & 0xf)
110 #define S3C2412_NFECCERR_SERRBIT(x)	(((x) >> 18) & 0x7)
111 #define S3C2412_NFECCERR_MERRDATA(x)	(((x) >> 7) & 0x3ff)
112 #define S3C2412_NFECCERR_MERRBIT(x)	(((x) >> 4) & 0x7)
113 #define S3C2412_NFECCERR_SPARE_ERR(x)	(((x) >> 2) & 0x3)
114 #define S3C2412_NFECCERR_MAIN_ERR(x)	(((x) >> 2) & 0x3)
115 #define S3C2412_NFECCERR_NONE		(0)
116 #define S3C2412_NFECCERR_1BIT		(1)
117 #define S3C2412_NFECCERR_MULTIBIT	(2)
118 #define S3C2412_NFECCERR_ECCAREA	(3)
119 
120 
121 
122 #endif /* __ASM_ARM_REGS_NAND */
123 
124