Remove dependencies between DoC code and old legacy NAND driver.

[u-boot] / include / linux / mtd / doc2000.h

diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h
index ebf9a7692418c16edb003776b00c78e243a3ae2c..eeb1d7e98e639d0dec211448d58048865c2b441b 100644 (file)
--- a/include/linux/mtd/doc2000.h
+++ b/include/linux/mtd/doc2000.h
@@ -91,6 +91,13 @@ struct DiskOnChip;
 #define ADDR_PAGE 2
 #define ADDR_COLUMN_PAGE 3
 
+struct Nand {
+       char floor, chip;
+       unsigned long curadr;
+       unsigned char curmode;
+       /* Also some erase/write/pipeline info when we get that far */
+};
+
 struct DiskOnChip {
        unsigned long physadr;
        unsigned long virtadr;
@@ -148,4 +155,62 @@ void doc_probe(unsigned long physadr);
 
 void doc_print(struct DiskOnChip*);
 
+/*
+ * Standard NAND flash commands
+ */
+#define NAND_CMD_READ0         0
+#define NAND_CMD_READ1         1
+#define NAND_CMD_PAGEPROG      0x10
+#define NAND_CMD_READOOB       0x50
+#define NAND_CMD_ERASE1                0x60
+#define NAND_CMD_STATUS                0x70
+#define NAND_CMD_SEQIN         0x80
+#define NAND_CMD_READID                0x90
+#define NAND_CMD_ERASE2                0xd0
+#define NAND_CMD_RESET         0xff
+
+/*
+ * NAND Flash Manufacturer ID Codes
+ */
+#define NAND_MFR_TOSHIBA       0x98
+#define NAND_MFR_SAMSUNG       0xec
+
+/*
+ * NAND Flash Device ID Structure
+ *
+ * Structure overview:
+ *
+ *  name - Complete name of device
+ *
+ *  manufacture_id - manufacturer ID code of device.
+ *
+ *  model_id - model ID code of device.
+ *
+ *  chipshift - total number of address bits for the device which
+ *              is used to calculate address offsets and the total
+ *              number of bytes the device is capable of.
+ *
+ *  page256 - denotes if flash device has 256 byte pages or not.
+ *
+ *  pageadrlen - number of bytes minus one needed to hold the
+ *               complete address into the flash array. Keep in
+ *               mind that when a read or write is done to a
+ *               specific address, the address is input serially
+ *               8 bits at a time. This structure member is used
+ *               by the read/write routines as a loop index for
+ *               shifting the address out 8 bits at a time.
+ *
+ *  erasesize - size of an erase block in the flash device.
+ */
+struct nand_flash_dev {
+       char * name;
+       int manufacture_id;
+       int model_id;
+       int chipshift;
+       char page256;
+       char pageadrlen;
+       unsigned long erasesize;
+       int bus16;
+};
+
 #endif /* __MTD_DOC2000_H__ */