Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/ubc.S b/arch/sh/kernel/cpu/ubc.S
new file mode 100644
index 000000000000..0c569b20e1c1
--- /dev/null
+++ b/arch/sh/kernel/cpu/ubc.S
@@ -0,0 +1,59 @@
+/*
+ * arch/sh/kernel/ubc.S
+ *
+ * Set of management routines for the User Break Controller (UBC)
+ *
+ * Copyright (C) 2002 Paul Mundt
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#include <linux/linkage.h>
+#include <asm/ubc.h>
+
+#define STBCR2          0xffc00010
+
+ENTRY(ubc_sleep)
+        mov     #0, r0
+
+        mov.l   1f, r1          ! Zero out UBC_BBRA ..
+        mov.w   r0, @r1
+
+        mov.l   2f, r1          ! .. same for BBRB ..
+        mov.w   r0, @r1
+
+        mov.l   3f, r1          ! .. and again for BRCR.
+        mov.w   r0, @r1
+
+        mov.w   @r1, r0         ! Dummy read BRCR
+
+        mov.l   4f, r1          ! Set MSTP5 in STBCR2
+        mov.b   @r1, r0
+        or      #0x01, r0
+        mov.b   r0, @r1
+
+        mov.b   @r1, r0         ! Two dummy reads ..
+        mov.b   @r1, r0
+
+        rts
+        nop
+
+ENTRY(ubc_wakeup)
+        mov.l   4f, r1          ! Clear MSTP5
+        mov.b   @r1, r0
+        and     #0xfe, r0
+        mov.b   r0, @r1
+
+        mov.b   @r1, r0         ! Two more dummy reads ..
+        mov.b   @r1, r0
+
+        rts
+        nop
+
+1:      .long   UBC_BBRA
+2:      .long   UBC_BBRB
+3:      .long   UBC_BRCR
+4:      .long   STBCR2
+