1 /* NAND flash interface register definitions
2  *
3  * Copyright (C) 2008-2009 Panasonic Corporation
4  * All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  */
15 
16 #ifndef	_PROC_NAND_REGS_H_
17 #define	_PROC_NAND_REGS_H_
18 
19 /* command register */
20 #define FCOMMAND_0		__SYSREG(0xd8f00000, u8) /* fcommand[24:31] */
21 #define FCOMMAND_1		__SYSREG(0xd8f00001, u8) /* fcommand[16:23] */
22 #define FCOMMAND_2		__SYSREG(0xd8f00002, u8) /* fcommand[8:15] */
23 #define FCOMMAND_3		__SYSREG(0xd8f00003, u8) /* fcommand[0:7] */
24 
25 /* for dma 16 byte trans, use FCOMMAND2 register */
26 #define FCOMMAND2_0		__SYSREG(0xd8f00110, u8) /* fcommand2[24:31] */
27 #define FCOMMAND2_1		__SYSREG(0xd8f00111, u8) /* fcommand2[16:23] */
28 #define FCOMMAND2_2		__SYSREG(0xd8f00112, u8) /* fcommand2[8:15] */
29 #define FCOMMAND2_3		__SYSREG(0xd8f00113, u8) /* fcommand2[0:7] */
30 
31 #define FCOMMAND_FIEN		0x80		/* nand flash I/F enable */
32 #define FCOMMAND_BW_8BIT	0x00		/* 8bit bus width */
33 #define FCOMMAND_BW_16BIT	0x40		/* 16bit bus width */
34 #define FCOMMAND_BLOCKSZ_SMALL	0x00		/* small block */
35 #define FCOMMAND_BLOCKSZ_LARGE	0x20		/* large block */
36 #define FCOMMAND_DMASTART	0x10		/* dma start */
37 #define FCOMMAND_RYBY		0x08		/* ready/busy flag */
38 #define FCOMMAND_RYBYINTMSK	0x04		/* mask ready/busy interrupt */
39 #define FCOMMAND_XFWP		0x02		/* write protect enable */
40 #define FCOMMAND_XFCE		0x01		/* flash device disable */
41 #define FCOMMAND_SEQKILL	0x10		/* stop seq-read */
42 #define FCOMMAND_ANUM		0x07		/* address cycle */
43 #define FCOMMAND_ANUM_NONE	0x00		/* address cycle none */
44 #define FCOMMAND_ANUM_1CYC	0x01		/* address cycle 1cycle */
45 #define FCOMMAND_ANUM_2CYC	0x02		/* address cycle 2cycle */
46 #define FCOMMAND_ANUM_3CYC	0x03		/* address cycle 3cycle */
47 #define FCOMMAND_ANUM_4CYC	0x04		/* address cycle 4cycle */
48 #define FCOMMAND_ANUM_5CYC	0x05		/* address cycle 5cycle */
49 #define FCOMMAND_FCMD_READ0	0x00		/* read1 command */
50 #define FCOMMAND_FCMD_SEQIN	0x80		/* page program 1st command */
51 #define FCOMMAND_FCMD_PAGEPROG	0x10		/* page program 2nd command */
52 #define FCOMMAND_FCMD_RESET	0xff		/* reset command */
53 #define FCOMMAND_FCMD_ERASE1	0x60		/* erase 1st command */
54 #define FCOMMAND_FCMD_ERASE2	0xd0		/* erase 2nd command */
55 #define FCOMMAND_FCMD_STATUS	0x70		/* read status command */
56 #define FCOMMAND_FCMD_READID	0x90		/* read id command */
57 #define FCOMMAND_FCMD_READOOB	0x50		/* read3 command */
58 /* address register */
59 #define FADD			__SYSREG(0xd8f00004, u32)
60 /* address register 2 */
61 #define FADD2			__SYSREG(0xd8f00008, u32)
62 /* error judgement register */
63 #define FJUDGE			__SYSREG(0xd8f0000c, u32)
64 #define FJUDGE_NOERR		0x0		/* no error */
65 #define FJUDGE_1BITERR		0x1		/* 1bit error in data area */
66 #define FJUDGE_PARITYERR	0x2		/* parity error */
67 #define FJUDGE_UNCORRECTABLE	0x3		/* uncorrectable error */
68 #define FJUDGE_ERRJDG_MSK	0x3		/* mask of judgement result */
69 /* 1st ECC store register */
70 #define FECC11			__SYSREG(0xd8f00010, u32)
71 /* 2nd ECC store register */
72 #define FECC12			__SYSREG(0xd8f00014, u32)
73 /* 3rd ECC store register */
74 #define FECC21			__SYSREG(0xd8f00018, u32)
75 /* 4th ECC store register */
76 #define FECC22			__SYSREG(0xd8f0001c, u32)
77 /* 5th ECC store register */
78 #define FECC31			__SYSREG(0xd8f00020, u32)
79 /* 6th ECC store register */
80 #define FECC32			__SYSREG(0xd8f00024, u32)
81 /* 7th ECC store register */
82 #define FECC41			__SYSREG(0xd8f00028, u32)
83 /* 8th ECC store register */
84 #define FECC42			__SYSREG(0xd8f0002c, u32)
85 /* data register */
86 #define FDATA			__SYSREG(0xd8f00030, u32)
87 /* access pulse register */
88 #define FPWS			__SYSREG(0xd8f00100, u32)
89 #define FPWS_PWS1W_2CLK		0x00000000 /* write pulse width 1clock */
90 #define FPWS_PWS1W_3CLK		0x01000000 /* write pulse width 2clock */
91 #define FPWS_PWS1W_4CLK		0x02000000 /* write pulse width 4clock */
92 #define FPWS_PWS1W_5CLK		0x03000000 /* write pulse width 5clock */
93 #define FPWS_PWS1W_6CLK		0x04000000 /* write pulse width 6clock */
94 #define FPWS_PWS1W_7CLK		0x05000000 /* write pulse width 7clock */
95 #define FPWS_PWS1W_8CLK		0x06000000 /* write pulse width 8clock */
96 #define FPWS_PWS1R_3CLK		0x00010000 /* read pulse width 3clock */
97 #define FPWS_PWS1R_4CLK		0x00020000 /* read pulse width 4clock */
98 #define FPWS_PWS1R_5CLK		0x00030000 /* read pulse width 5clock */
99 #define FPWS_PWS1R_6CLK		0x00040000 /* read pulse width 6clock */
100 #define FPWS_PWS1R_7CLK		0x00050000 /* read pulse width 7clock */
101 #define FPWS_PWS1R_8CLK		0x00060000 /* read pulse width 8clock */
102 #define FPWS_PWS2W_2CLK		0x00000100 /* write pulse interval 2clock */
103 #define FPWS_PWS2W_3CLK		0x00000200 /* write pulse interval 3clock */
104 #define FPWS_PWS2W_4CLK		0x00000300 /* write pulse interval 4clock */
105 #define FPWS_PWS2W_5CLK		0x00000400 /* write pulse interval 5clock */
106 #define FPWS_PWS2W_6CLK		0x00000500 /* write pulse interval 6clock */
107 #define FPWS_PWS2R_2CLK		0x00000001 /* read pulse interval 2clock */
108 #define FPWS_PWS2R_3CLK		0x00000002 /* read pulse interval 3clock */
109 #define FPWS_PWS2R_4CLK		0x00000003 /* read pulse interval 4clock */
110 #define FPWS_PWS2R_5CLK		0x00000004 /* read pulse interval 5clock */
111 #define FPWS_PWS2R_6CLK		0x00000005 /* read pulse interval 6clock */
112 /* command register 2 */
113 #define FCOMMAND2		__SYSREG(0xd8f00110, u32)
114 /* transfer frequency register */
115 #define FNUM			__SYSREG(0xd8f00114, u32)
116 #define FSDATA_ADDR		0xd8f00400
117 /* active data register */
118 #define FSDATA			__SYSREG(FSDATA_ADDR, u32)
119 
120 #endif /* _PROC_NAND_REGS_H_ */
121