diff --git a/82802ab.h b/82802ab.h
new file mode 100644
index 0000000..3649704
--- /dev/null
+++ b/82802ab.h
@@ -0,0 +1,44 @@
+extern int probe_82802ab (struct flashchip * flash);
+extern int erase_82802ab (struct flashchip * flash);
+extern int write_82802ab (struct flashchip * flash, char * buf);
+
+extern __inline__ void toggle_ready_82802ab (volatile char * dst)
+{
+	unsigned int i = 0;
+	char tmp1, tmp2;
+
+	tmp1 = *dst & 0x40;
+
+	while (i++ < 0xFFFFFF) {
+		tmp2 = *dst & 0x40;
+		if (tmp1 == tmp2) {
+			break;
+		}
+		tmp1 = tmp2;
+	}
+}
+
+extern __inline__ void data_polling_82802ab (volatile char * dst, char data)
+{
+	unsigned int i = 0;
+	char tmp;
+
+	data &= 0x80;
+
+	while (i++ < 0xFFFFFF) {
+		tmp = *dst & 0x80;
+		if (tmp == data) {
+			break;
+		}
+	}
+}
+
+extern __inline__ void protect_82802ab (volatile char * bios)
+{
+	*(volatile char *) (bios + 0x5555) = 0xAA;
+	*(volatile char *) (bios + 0x2AAA) = 0x55;
+	*(volatile char *) (bios + 0x5555) = 0xA0;
+
+	usleep(200);
+}
+