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11#ifndef __MTD_DOC2000_H__
12#define __MTD_DOC2000_H__
13
14#include <linux/mtd/mtd.h>
15#include <linux/mutex.h>
16
17#define DoC_Sig1 0
18#define DoC_Sig2 1
19
20#define DoC_ChipID 0x1000
21#define DoC_DOCStatus 0x1001
22#define DoC_DOCControl 0x1002
23#define DoC_FloorSelect 0x1003
24#define DoC_CDSNControl 0x1004
25#define DoC_CDSNDeviceSelect 0x1005
26#define DoC_ECCConf 0x1006
27#define DoC_2k_ECCStatus 0x1007
28
29#define DoC_CDSNSlowIO 0x100d
30#define DoC_ECCSyndrome0 0x1010
31#define DoC_ECCSyndrome1 0x1011
32#define DoC_ECCSyndrome2 0x1012
33#define DoC_ECCSyndrome3 0x1013
34#define DoC_ECCSyndrome4 0x1014
35#define DoC_ECCSyndrome5 0x1015
36#define DoC_AliasResolution 0x101b
37#define DoC_ConfigInput 0x101c
38#define DoC_ReadPipeInit 0x101d
39#define DoC_WritePipeTerm 0x101e
40#define DoC_LastDataRead 0x101f
41#define DoC_NOP 0x1020
42
43#define DoC_Mil_CDSN_IO 0x0800
44#define DoC_2k_CDSN_IO 0x1800
45
46#define DoC_Mplus_NOP 0x1002
47#define DoC_Mplus_AliasResolution 0x1004
48#define DoC_Mplus_DOCControl 0x1006
49#define DoC_Mplus_AccessStatus 0x1008
50#define DoC_Mplus_DeviceSelect 0x1008
51#define DoC_Mplus_Configuration 0x100a
52#define DoC_Mplus_OutputControl 0x100c
53#define DoC_Mplus_FlashControl 0x1020
54#define DoC_Mplus_FlashSelect 0x1022
55#define DoC_Mplus_FlashCmd 0x1024
56#define DoC_Mplus_FlashAddress 0x1026
57#define DoC_Mplus_FlashData0 0x1028
58#define DoC_Mplus_FlashData1 0x1029
59#define DoC_Mplus_ReadPipeInit 0x102a
60#define DoC_Mplus_LastDataRead 0x102c
61#define DoC_Mplus_LastDataRead1 0x102d
62#define DoC_Mplus_WritePipeTerm 0x102e
63#define DoC_Mplus_ECCSyndrome0 0x1040
64#define DoC_Mplus_ECCSyndrome1 0x1041
65#define DoC_Mplus_ECCSyndrome2 0x1042
66#define DoC_Mplus_ECCSyndrome3 0x1043
67#define DoC_Mplus_ECCSyndrome4 0x1044
68#define DoC_Mplus_ECCSyndrome5 0x1045
69#define DoC_Mplus_ECCConf 0x1046
70#define DoC_Mplus_Toggle 0x1046
71#define DoC_Mplus_DownloadStatus 0x1074
72#define DoC_Mplus_CtrlConfirm 0x1076
73#define DoC_Mplus_Power 0x1fff
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79
80#if defined(__arm__)
81static inline u8 ReadDOC_(u32 __iomem *addr, unsigned long reg)
82{
83 return __raw_readl(addr + reg);
84}
85static inline void WriteDOC_(u8 data, u32 __iomem *addr, unsigned long reg)
86{
87 __raw_writel(data, addr + reg);
88 wmb();
89}
90#define DOC_IOREMAP_LEN 0x8000
91#elif defined(__ppc__)
92static inline u8 ReadDOC_(u16 __iomem *addr, unsigned long reg)
93{
94 return __raw_readw(addr + reg);
95}
96static inline void WriteDOC_(u8 data, u16 __iomem *addr, unsigned long reg)
97{
98 __raw_writew(data, addr + reg);
99 wmb();
100}
101#define DOC_IOREMAP_LEN 0x4000
102#else
103#define ReadDOC_(adr, reg) readb((void __iomem *)(adr) + (reg))
104#define WriteDOC_(d, adr, reg) writeb(d, (void __iomem *)(adr) + (reg))
105#define DOC_IOREMAP_LEN 0x2000
106
107#endif
108
109#if defined(__i386__) || defined(__x86_64__)
110#define USE_MEMCPY
111#endif
112
113
114#define ReadDOC(adr, reg) ReadDOC_(adr,DoC_##reg)
115#define WriteDOC(d, adr, reg) WriteDOC_(d,adr,DoC_##reg)
116
117#define DOC_MODE_RESET 0
118#define DOC_MODE_NORMAL 1
119#define DOC_MODE_RESERVED1 2
120#define DOC_MODE_RESERVED2 3
121
122#define DOC_MODE_CLR_ERR 0x80
123#define DOC_MODE_RST_LAT 0x10
124#define DOC_MODE_BDECT 0x08
125#define DOC_MODE_MDWREN 0x04
126
127#define DOC_ChipID_Doc2k 0x20
128#define DOC_ChipID_Doc2kTSOP 0x21
129#define DOC_ChipID_DocMil 0x30
130#define DOC_ChipID_DocMilPlus32 0x40
131#define DOC_ChipID_DocMilPlus16 0x41
132
133#define CDSN_CTRL_FR_B 0x80
134#define CDSN_CTRL_FR_B0 0x40
135#define CDSN_CTRL_FR_B1 0x80
136
137#define CDSN_CTRL_ECC_IO 0x20
138#define CDSN_CTRL_FLASH_IO 0x10
139#define CDSN_CTRL_WP 0x08
140#define CDSN_CTRL_ALE 0x04
141#define CDSN_CTRL_CLE 0x02
142#define CDSN_CTRL_CE 0x01
143
144#define DOC_ECC_RESET 0
145#define DOC_ECC_ERROR 0x80
146#define DOC_ECC_RW 0x20
147#define DOC_ECC__EN 0x08
148#define DOC_TOGGLE_BIT 0x04
149#define DOC_ECC_RESV 0x02
150#define DOC_ECC_IGNORE 0x01
151
152#define DOC_FLASH_CE 0x80
153#define DOC_FLASH_WP 0x40
154#define DOC_FLASH_BANK 0x02
155
156
157#define DOC_ECC_EN (DOC_ECC__EN | DOC_ECC_RESV)
158#define DOC_ECC_DIS (DOC_ECC_RESV)
159
160struct Nand {
161 char floor, chip;
162 unsigned long curadr;
163 unsigned char curmode;
164
165};
166
167#define MAX_FLOORS 4
168#define MAX_CHIPS 4
169
170#define MAX_FLOORS_MIL 1
171#define MAX_CHIPS_MIL 1
172
173#define MAX_FLOORS_MPLUS 2
174#define MAX_CHIPS_MPLUS 1
175
176#define ADDR_COLUMN 1
177#define ADDR_PAGE 2
178#define ADDR_COLUMN_PAGE 3
179
180struct DiskOnChip {
181 unsigned long physadr;
182 void __iomem *virtadr;
183 unsigned long totlen;
184 unsigned char ChipID;
185 int ioreg;
186
187 unsigned long mfr;
188 unsigned long id;
189 int chipshift;
190 char page256;
191 char pageadrlen;
192 char interleave;
193 unsigned long erasesize;
194
195 int curfloor;
196 int curchip;
197
198 int numchips;
199 struct Nand *chips;
200 struct mtd_info *nextdoc;
201 struct mutex lock;
202};
203
204int doc_decode_ecc(unsigned char sector[512], unsigned char ecc1[6]);
205
206#endif
207
