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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/kernel/cpu_setup_pa6t.S
parentInitial commit. (diff)
downloadlinux-upstream/4.19.249.tar.xz
linux-upstream/4.19.249.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/powerpc/kernel/cpu_setup_pa6t.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_pa6t.S b/arch/powerpc/kernel/cpu_setup_pa6t.S
new file mode 100644
index 000000000..d62cb9cae
--- /dev/null
+++ b/arch/powerpc/kernel/cpu_setup_pa6t.S
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2006-2007 PA Semi, Inc
+ *
+ * Maintained by: Olof Johansson <olof@lixom.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <asm/processor.h>
+#include <asm/page.h>
+#include <asm/cputable.h>
+#include <asm/ppc_asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/cache.h>
+
+/* Right now, restore and setup are the same thing */
+_GLOBAL(__restore_cpu_pa6t)
+_GLOBAL(__setup_cpu_pa6t)
+ /* Do nothing if not running in HV mode */
+ mfmsr r0
+ rldicl. r0,r0,4,63
+ beqlr
+
+ mfspr r0,SPRN_HID5
+ ori r0,r0,0x38
+ mtspr SPRN_HID5,r0
+
+ mfspr r0,SPRN_LPCR
+ ori r0,r0,0x7000
+ mtspr SPRN_LPCR,r0
+
+ blr