mtd/devices/docg3.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * Handles the M-Systems DiskOnChip G3 chip
14  * Flash memory areas :
15  *   - 0x0000 .. 0x07ff : IPL
16  *   - 0x0800 .. 0x0fff : Data area
17  *   - 0x1000 .. 0x17ff : Registers
18  *   - 0x1800 .. 0x1fff : Unknown
82  * Flash registers
123  * Flash sequences
138  * Flash commands
161  * Flash register : DOC_FLASHCONTROL
171  * Flash register : DOC_ASICMODE
182  * Flash register : DOC_ECCCONF0
192  * Flash register : DOC_ECCCONF1
201  * Flash register : DOC_PROTECTION
212  * Flash register : DOC_DPS0_STATUS and DOC_DPS1_STATUS
221  * Flash register : DOC_CONFIGURATION
228  * Flash register : DOC_READADDRESS
235  * Flash register : DOC_POWERMODE
258  * struct docg3_cascade - Cascade of 1 to 4 docg3 chips
272  * struct docg3 - DiskOnChip driver private data
278  * @reliable: if 0, docg3 in normal mode, if 1 docg3 in fast mode, if 2 in
279  *            reliable mode
280  *            Fast mode implies more errors than normal mode.
281  *            Reliable mode implies that page 2*n and 2*n+1 are clones.
285  * @oob_autoecc: if 1, use only bytes 0-7, 15, and fill the others with HW ECC
302 #define doc_err(fmt, arg...) dev_err(docg3->dev, (fmt), ## arg)
303 #define doc_info(fmt, arg...) dev_info(docg3->dev, (fmt), ## arg)
304 #define doc_dbg(fmt, arg...) dev_dbg(docg3->dev, (fmt), ## arg)
305 #define doc_vdbg(fmt, arg...) dev_vdbg(docg3->dev, (fmt), ## arg)
328 		    __entry->op = op;
329 		    __entry->width = width;
330 		    __entry->reg = reg;
331 		    __entry->val = val;),
333 		      __entry->op ? "write" : "read", __entry->width,
334 		      __entry->reg, __entry->val)