diff --git a/src/anlogic.cpp b/src/anlogic.cpp
index aa94e30..4b481a8 100644
--- a/src/anlogic.cpp
+++ b/src/anlogic.cpp
@@ -21,6 +21,7 @@
 #include "jtag.hpp"
 #include "device.hpp"
 #include "progressBar.hpp"
+#include "spiFlash.hpp"
 
 #define REFRESH      0x01
 #define IDCODE       0x06
@@ -32,13 +33,19 @@
 
 #define IRLENGTH 8
 
-Anlogic::Anlogic(Jtag *jtag, const std::string &filename, bool verbose):
+Anlogic::Anlogic(Jtag *jtag, const std::string &filename,
+	bool flash_wr, bool sram_wr, bool verbose):
 	Device(jtag, filename, verbose), _svf(_jtag, _verbose)
 {
 	if (_filename != "") {
-		if (_file_extension == "svf" || _file_extension == "bit")
+		if (_file_extension == "svf")
 			_mode = Device::MEM_MODE;
-		else
+		else if (_file_extension == "bit") {
+			if (sram_wr)
+				_mode = Device::MEM_MODE;
+			else
+				_mode = Device::SPI_MODE;
+		} else
 			throw std::exception();
 	}
 }
@@ -58,13 +65,57 @@ void Anlogic::program(unsigned int offset)
 {
 	if (_mode == Device::NONE_MODE)
 		return;
-	if (_mode == Device::MEM_MODE) {
-		if (_file_extension == "svf") {
-			_svf.parse(_filename);
-			return;
+
+	if (_file_extension == "svf") {
+		_svf.parse(_filename);
+		return;
+	}
+
+	AnlogicBitParser bit(_filename, (_mode == Device::MEM_MODE), _verbose);
+	bit.parse();
+	uint8_t *data = bit.getData();
+	int len = bit.getLength() / 8;
+
+	if (_mode == Device::SPI_MODE) {
+		SPIFlash flash(this, _verbose);
+
+		for (int i = 0; i < 5; i++)
+			_jtag->shiftIR(BYPASS, IRLENGTH);
+		//Verify Device id.
+		//SIR 8 TDI (06) ;
+		//SDR 32 TDI (00000000) TDO (0a014c35) MASK (ffffffff) ;
+		//Boundary Scan Chain Contents
+		//Position 1: BG256
+		//Loading device with 'refresh' instruction.
+		_jtag->shiftIR(REFRESH, IRLENGTH);
+		//Loading device with 'bypass' & 'spi_program' instruction.
+		_jtag->shiftIR(BYPASS, IRLENGTH);
+		_jtag->shiftIR(SPI_PROGRAM, IRLENGTH);
+		for (int i = 0; i < 4; i++)
+			_jtag->toggleClk(50000);
+
+		flash.reset();
+		flash.read_id();
+		flash.read_status_reg();
+
+		flash.erase_and_prog(offset, data, len);
+
+		//Loading device with 'bypass' instruction.
+		_jtag->shiftIR(BYPASS, IRLENGTH);
+		////Loading device with 'refresh' instruction.
+		_jtag->shiftIR(REFRESH, IRLENGTH);
+		_jtag->toggleClk(20);
+		////Loading device with 'bypass' instruction.
+		for (int i = 0; i < 4; i++) {
+			_jtag->shiftIR(BYPASS, IRLENGTH);
+			_jtag->toggleClk(20);
 		}
-		AnlogicBitParser bit(_filename, _verbose);
-		bit.parse();
+		_jtag->shiftIR(BYPASS, IRLENGTH);
+		_jtag->toggleClk(10000);
+
+		return;
+	}
+	if (_mode == Device::MEM_MODE) {
 
 		// Loading device with 'bypass' instruction.
 		_jtag->shiftIR(BYPASS, IRLENGTH);
@@ -87,8 +138,6 @@ void Anlogic::program(unsigned int offset)
 		_jtag->shiftIR(CFG_IN, IRLENGTH);
 		_jtag->toggleClk(15);
 
-		uint8_t *data = bit.getData();
-		int len = bit.getLength() / 8;
 		_jtag->set_state(Jtag::SHIFT_DR);
 		ProgressBar progress("Loading", len, 50);
 		int pos = 0;
@@ -136,3 +185,93 @@ int Anlogic::idCode()
 		((rx_data[2] << 16) & 0x00ff0000) |
 		((rx_data[3] << 24) & 0xff000000));
 }
+
+/* SPI wrapper
+ * For read operation a delay of one bit is added
+ * So add one bit more and move everything by one
+ * In write only operations to care about this delay
+ */
+
+int Anlogic::spi_put(uint8_t cmd, uint8_t *tx, uint8_t *rx, uint32_t len)
+{
+	int xfer_len = len + 1;
+	if (rx)
+		xfer_len++;
+	uint8_t jtx[xfer_len];
+	uint8_t jrx[xfer_len];
+
+	jtx[0] = AnlogicBitParser::reverseByte(cmd);
+	if (tx != NULL) {
+		for (int i = 0; i < len; i++)
+			jtx[i+1] = AnlogicBitParser::reverseByte(tx[i]);
+	}
+
+	/* write anlogic command before sending packet */
+	uint8_t op = 0x60;
+	_jtag->shiftDR(&op, NULL, 8);
+
+	_jtag->shiftDR(jtx, (rx == NULL)? NULL: jrx, 8*xfer_len);
+	if (rx != NULL) {
+		for (int i=0; i < len; i++)
+			rx[i] = AnlogicBitParser::reverseByte(jrx[i+1]>>1)
+				| (jrx[i+2]&0x01);
+	}
+	return 0;
+}
+int Anlogic::spi_put(uint8_t *tx, uint8_t *rx, uint32_t len)
+{
+	int xfer_len = len;
+	if (rx)
+		xfer_len++;
+	uint8_t jtx[xfer_len];
+	uint8_t jrx[xfer_len];
+
+	if (tx != NULL) {
+		for (int i = 0; i < len; i++)
+			jtx[i] = AnlogicBitParser::reverseByte(tx[i]);
+	}
+
+	/* write anlogic command before sending packet */
+	uint8_t op = 0x60;
+	_jtag->shiftDR(&op, NULL, 8);
+
+	_jtag->shiftDR(jtx, (rx == NULL)? NULL: jrx, 8*xfer_len);
+	if (rx != NULL) {
+		for (int i=0; i < len; i++)
+			rx[i] = AnlogicBitParser::reverseByte(jrx[i]>>1) |
+				(jrx[i+1]&0x01);
+	}
+	return 0;
+}
+int Anlogic::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
+		uint32_t timeout, bool verbose)
+{
+	uint8_t rx[3];
+	uint8_t tx[3];
+	tx[0] = AnlogicBitParser::reverseByte(cmd);
+	uint8_t op = 0x60;
+	uint8_t tmp;
+	uint32_t count = 0;
+
+	do {
+		_jtag->shiftDR(&op, NULL, 8);
+		_jtag->shiftDR(tx, rx, 8 * 3);
+		tmp = (AnlogicBitParser::reverseByte(rx[1]>>1)) | (0x01 & rx[2]);
+		count ++;
+		if (count == timeout) {
+			printf("timeout: %x %x %x\n", tmp, rx[0], rx[1]);
+			break;
+		}
+		if (verbose) {
+			printf("%x %x %x %u\n", tmp, mask, cond, count);
+		}
+	} while ((tmp & mask) != cond);
+
+	if (count == timeout) {
+		printf("%02x\n", tmp);
+		std::cout << "wait: Error" << std::endl;
+		return -ETIME;
+	}
+
+	return 0;
+}
diff --git a/src/anlogic.hpp b/src/anlogic.hpp
index 753e8e4..25924ff 100644
--- a/src/anlogic.hpp
+++ b/src/anlogic.hpp
@@ -23,16 +23,25 @@
 #include "bitparser.hpp"
 #include "device.hpp"
 #include "jtag.hpp"
+#include "spiInterface.hpp"
 #include "svf_jtag.hpp"
 
-class Anlogic: public Device {
+class Anlogic: public Device, SPIInterface {
 	public:
-		Anlogic(Jtag *jtag, const std::string &filename, bool verbose);
+		Anlogic(Jtag *jtag, const std::string &filename,
+			bool flash_wr, bool sram_wr, bool verbose);
 		~Anlogic();
 
 		void program(unsigned int offset = 0) override;
 		int idCode() override;
 		void reset() override;
+
+		/* spi interface */
+		int spi_put(uint8_t cmd, uint8_t *tx, uint8_t *rx,
+			uint32_t len) override;
+		int spi_put(uint8_t *tx, uint8_t *rx, uint32_t len) override;
+		int spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
+			uint32_t timeout, bool verbose=false) override;
 	private:
 		SVF_jtag _svf;
 };