Add support for 39sf020
Corresponding to coreboot v1 svn r523.
diff --git a/flash.h b/flash.h
index 1828176..2e1f600 100644
--- a/flash.h
+++ b/flash.h
@@ -27,6 +27,7 @@
#define SST_ID 0xBF /* SST Manufacturer ID[B code */
#define SST_29EE020A 0x10 /* SST 29EE020 device code */
#define SST_28SF040 0x04 /* SST 29EE040 device code */
+#define SST_39SF020 0xB6 /* SST 39SF020 device */
#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
#define W_29C020C 0x45 /* Winbond w29c020c device code*/
@@ -35,6 +36,10 @@
extern int erase_28sf040 (struct flashchip * flash);
extern int write_28sf040 (struct flashchip * flash, char * buf);
+extern int probe_39sf020 (struct flashchip * flash);
+extern int erase_39sf020 (struct flashchip * flash);
+extern int write_39sf020 (struct flashchip * flash, char * buf);
+
extern int probe_29f040b (struct flashchip * flash);
extern int erase_29f040b (struct flashchip * flash);
extern int write_29f040b (struct flashchip * flash, char * buf);