summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-aaec2000/include/mach/debug-macro.S
diff options
context:
space:
mode:
authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
commitfcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch)
tree22962a4387943edc841c72a4e636a068c66d58fd /arch/arm/mach-aaec2000/include/mach/debug-macro.S
downloadast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip
ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz
Initial import of modified Linux 2.6.28 tree
Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/arm/mach-aaec2000/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-aaec2000/include/mach/debug-macro.S37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-aaec2000/include/mach/debug-macro.S b/arch/arm/mach-aaec2000/include/mach/debug-macro.S
new file mode 100644
index 0000000..0b6351d
--- /dev/null
+++ b/arch/arm/mach-aaec2000/include/mach/debug-macro.S
@@ -0,0 +1,37 @@
+/* arch/arm/mach-aaec2000/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * Copyright (c) 2005 Nicolas Bellido Y Ortega
+ *
+ * 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.
+ */
+
+#include "hardware.h"
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0x80000000 @ physical
+ movne \rx, #io_p2v(0x80000000) @ virtual
+ orr \rx, \rx, #0x00000800
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #0]
+ .endm
+
+ .macro busyuart,rd,rx
+1002: ldr \rd, [\rx, #0x10]
+ tst \rd, #(1 << 7)
+ beq 1002b
+ .endm
+
+ .macro waituart,rd,rx
+#if 0
+1001: ldr \rd, [\rx, #0x10]
+ tst \rd, #(1 << 5)
+ beq 1001b
+#endif
+ .endm
OpenPOWER on IntegriCloud