A27系列优化I2C/RTC处理，新增版本A270Y

A27-AMTLDR/Src/spi.h

@@ -0,0 +1,75 @@
+#ifndef __SPI_H__
+#define __SPI_H__
+
+#define MAX_WAIT_LOOP_COUNT			100000
+
+#define SPI_WRITE_ENABLE			0x06
+#define SPI_WRITE_DISABLE			0x04
+#define SPI_READ_STATUS				0x05
+#define SPI_READ_STATUS2            0x35
+#define SPI_READ_STATUS3            0x15
+#define SPI_WRITE_STATUS			0x01
+#define SPI_WRITE_STATUS2			0x31
+#define SPI_READ_DATA				0x03
+
+#define SPI_4BYTEADDR_READ_DATA		0x13
+
+#define SPI_FAST_READ				0x0B
+#define SPI_PAGE_PROGRAM			0x02
+#define SPI_4BYTEADD_PAGE_PROGRAM	0x12
+#define SPI_SECTOR_ERASE			0x20
+#define SPI_4BYTEADD_SECTOR_ERASE	0x21
+#define SPI_SECTOR_ERASE_1			0xD7
+#define SPI_BLOCK_ERASE				0xD8
+#define SPI_4BYTEADD_BLOCK_ERASE	0xDC
+#define SPI_BLOCK_ERASE_1			0x52
+#define SPI_CHIP_ERASE				0xC7
+#define SPI_CHIP_ERASE_1			0x60
+#define SPI_POWER_DOWN				0xB9
+#define SPI_READ_JEDEC_ID			0x9F
+#define SPI_READ_ID_1				0xAB
+#define SPI_MF_DEVICE_ID			0x90
+#define SPI_MF_DEVICE_ID_1			0x15
+#define SPI_READ_ELECTRON_SIGN		0xAB
+
+#define SPI_MF_WINBOND				0xEF
+#define SPI_MF_EON					0x1C
+#define SPI_MF_AMIC					0x37
+#define SPI_MF_ATMEL				0x1F
+#define SPI_MF_SST					0xBF
+#define SPI_MF_MXIC					0xC2
+
+#define SPI_ENABLE_4BYTE_MODE		0xB7
+#define SPI_DISABLE_4BYTE_MODE		0xE9
+#define SPI_QUAD_IO_READ_DATA		0xEB
+
+
+#define SPI_BUSY				(1<<0)
+#define SPIFLASH_WRITEENABLE		(1<<1)
+
+#define SPI_QE					(1 << 1)
+
+#define SPI_WRITE_DMA  
+#define SPI_READ_DMA    
+
+#define WORDSPERPAGE			64
+#define BYTESPERPAGE			256
+#define PAGESPERSECTORS			16
+#define SECTORSPERBLOCK			16
+#define BLOCKSPERFLASH			64
+
+
+#define BYTESPERBLOCK			(BYTESPERPAGE*PAGESPERSECTORS*SECTORSPERBLOCK)
+#define BYTESPERSECTOR			(BYTESPERPAGE*PAGESPERSECTORS)
+
+
+#define PAGES_PER_BLOCK		64
+#define BYTES_PER_PAGE		2048
+
+void SpiSelectPad(void);
+int SpiInit(void);
+void SpiBurnLoad(void);
+void SpiReadId(void);
+
+#endif
+