--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spiflash.h	Sun Jul 07 22:49:02 2013 +0930
@@ -0,0 +1,50 @@
+void		spiflashcmd(int argc, char **argv);
+uint16_t	spiflashreadid(void);
+uint8_t		spiflashreadstatus(void);
+void		spiflashwritestatus(uint8_t status);
+void		spiflashwritectl(int enable);
+void		spiflash4kerase(uint32_t addr);
+uint8_t		spiflashread(uint32_t addr);
+void		spiflashenablewrite(void);
+void		spiflashwrite(uint32_t addr, uint8_t data);
+void		spiflashwait(void);
+int		spiflashreadblock(uint32_t addr, uint32_t len, void *_data);
+int		spiflashwriteblock(uint32_t addr, uint32_t len, void *_data);
+uint32_t	spiflashcrcblock(uint32_t addr, uint32_t len);
+void		spiflashprintstatus(uint8_t status, FILE *out);
+
+/* Streaming read/write */
+void		spiflashstartread(uint32_t addr);
+uint8_t		spiflashreadbyte(void);
+void		spiflashstartwrite(uint32_t addr, uint16_t data);
+void		spiflashwriteword(uint16_t data);
+void		spiflashstopread(void);
+void		spiflashstopwrite(void);
+
+#define FL_BUSY		(1<<0)
+#define FL_WEL		(1<<1)
+#define FL_BP0		(1<<2)
+#define FL_BP1		(1<<3)
+#define FL_BP2		(1<<4)
+#define FL_BP3		(1<<5)
+#define FL_AAI		(1<<6)
+#define FL_BPL		(1<<7)
+
+#define FL_READ		0x03
+#define FL_HSREAD	0x0b
+#define FL_4KERASE	0x20
+#define FL_32KERASE	0x52
+#define FL_64KERASE	0xd8
+#define FL_CHIPERASE	0x60
+#define FL_BYTEPROG	0x02
+#define FL_AAIWP	0xad
+#define FL_RDSR		0x05
+#define FL_EWSR		0x50
+#define FL_WRSR		0x01
+#define FL_WREN		0x06
+#define FL_WRDI		0x04
+#define FL_RDID		0x90
+#define FL_JEDECID	0x9f
+#define FL_EBSY		0x70
+#define FL_DBSY		0x80
+