Support for sst firmware hub
Corresponding to flashrom svn r25 and coreboot v2 svn r1651.
diff --git a/sst_fwhub.h b/sst_fwhub.h
new file mode 100644
index 0000000..3569130
--- /dev/null
+++ b/sst_fwhub.h
@@ -0,0 +1,48 @@
+#ifndef __SST_FWHUB_H__
+#define __SST_FWHUB_H__ 1
+
+extern int probe_sst_fwhub(struct flashchip *flash);
+extern int erase_sst_fwhub(struct flashchip *flash);
+extern int write_sst_fwhub(struct flashchip *flash, unsigned char *buf);
+
+extern __inline__ void toggle_ready_sst_fwhub(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_sst_fwhub(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_sst_fwhub(volatile char *bios)
+{
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0xA0;
+
+ usleep(200);
+}
+
+#endif /* !__SST_FWHUB_H__ */