changes to support new ppc arch

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2064 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 49 insertions, 0 deletions

diff --git a/src/arch/ppc/lib/ppc.c b/src/arch/ppc/lib/ppc.c
new file mode 100644
index 0000000000..6222536864
--- /dev/null
+++ b/src/arch/ppc/lib/ppc.c
@@ -0,0 +1,49 @@
+/* Copyright 2000  AG Electronics Ltd. */
+/* This code is distributed without warranty under the GPL v2 (see COPYING) */
+
+#include "ppc.h"
+#include "ppcreg.h"
+
+unsigned ppc_getmsr(void)
+{
+	unsigned result;   
+	__asm__ volatile ("mfmsr %0" : "=r" (result));
+	return result;
+}
+
+unsigned ppc_gethid0(void)
+{
+	unsigned result;
+	__asm__ volatile ("mfspr %0,1008" : "=r" (result));
+	return result;
+}
+
+unsigned ppc_gethid1(void)
+{
+	unsigned result;
+	__asm__ volatile ("mfspr %0,1009" : "=r" (result));
+	return result;
+}
+
+void ppc_sethid0(unsigned value)
+{
+	__asm__ volatile ("mtspr 1008,%0" : : "r" (value));
+}
+
+unsigned ppc_getpvr(void)
+{
+	unsigned result;
+	__asm__("mfspr %0, 287" : "=r" (result));
+	return result;
+}
+
+void ppc_setmsr(unsigned value)
+{
+	__asm__ volatile ("mtmsr %0; sync" :: "r" (value));   
+}
+
+void ppc_set1015(unsigned value)
+{
+	__asm__ volatile ("mtspr 1015,%0" : : "r" (value));
+}
+