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| author | Oliver Schinagl <oliver@schinagl.nl> | 2011-03-18 19:56:30 (GMT) |
|---|---|---|
| committer | Oliver Schinagl <oliver@schinagl.nl> | 2011-03-18 19:56:30 (GMT) |
| commit | b10d9039a678f38ed48f4cf032c6b3bc82848594 (patch) | |
| tree | fb0f35237b91b33d0694b8213d89cef0e84a80b8 /uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h | |
| parent | 569556c4a762771f01d767db95ad18966cedd2f7 (diff) | |
| download | openipcam-b10d9039a678f38ed48f4cf032c6b3bc82848594.zip openipcam-b10d9039a678f38ed48f4cf032c6b3bc82848594.tar.gz openipcam-b10d9039a678f38ed48f4cf032c6b3bc82848594.tar.bz2 | |
Winbond flash support.
Diffstat (limited to 'uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h')
| -rw-r--r-- | uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h b/uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h new file mode 100644 index 0000000..19f2a65 --- /dev/null +++ b/uClinux-2.4.20-uc1/drivers/block/wbflash/cfi.h @@ -0,0 +1,39 @@ +/******************************************************************************
+ *
+ * Copyright (c) 2007 Windond Electronics Corp.
+ * All rights reserved.
+ *
+ * $Workfile: cfi.h $
+ *
+ *
+ ******************************************************************************/
+#ifndef __CFI_H__
+#define __CFI_H__
+
+#define SELECT_QUERY_MODE(_base_) do{*(unsigned short volatile *)(((_base_) & 0xFFF00000) + (0x55 << 1)) = 0x98;}while(0)
+#define DESELECT_QUERY_MODE(_base_) do{*(unsigned short volatile *)((_base_) & 0xFFF00000) = 0xF0;\
+ *(unsigned short volatile *)((_base_) & 0xFFF00000) = 0xFF;}while(0)
+
+#define CFI_READ(_base_, _offset_, _var_) do{_var_ = *(unsigned short volatile *)(((_base_) & 0xFFF00000) + ((_offset_) << 1));}while(0)
+#define CFI_WRITE(_base_, _offset_, _var_) do{*(unsigned short volatile *)(((_base_) /*& 0xFFF00000*/) + ((_offset_) << 1)) = (_var_);}while(0)
+
+#define AMD_CMD_SET 0x0002
+#define INTEL_CMD_SET 0x0003
+
+struct cfi_erase_block_region_info {
+ unsigned int size;
+ unsigned int num;
+};
+
+
+struct cfi_command{
+ int (*write) (unsigned int address, unsigned char *data, unsigned int size);
+ int (*erase) (unsigned int address, unsigned int size);
+};
+
+extern unsigned int cfiGetBlockSize(unsigned int address);
+extern unsigned int cfiGetFlashSize(void);
+extern int cfiGetFlashInfo(void);
+extern struct cfi_command cfiCmd;
+
+#endif // #ifdef __CFI_H__
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