Add support for SPARC (maybe)

Was implemented by SPARC newbies, does (cross-)compile but is not run-tested.

Corresponding to flashrom svn r1882.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/hwaccess.h b/hwaccess.h
index a4fd502..5378361 100644
--- a/hwaccess.h
+++ b/hwaccess.h
@@ -89,6 +89,10 @@
 #define __FLASHROM_LITTLE_ENDIAN__ 1
 #endif
 
+#elif IS_SPARC
+/* SPARC is big endian in general (but allows to access data in little endian too). */
+#define __FLASHROM_BIG_ENDIAN__ 1
+
 #endif /* IS_? */
 
 #if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
@@ -357,6 +361,10 @@
 
 /* PCI port I/O is not yet implemented on MIPS. */
 
+#elif IS_SPARC
+
+/* PCI port I/O is not yet implemented on SPARC. */
+
 #elif IS_ARM
 
 /* Non memory mapped I/O is not supported on ARM. */