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authorBen Dooks <ben-linux@fluff.org>2008-10-21 14:06:42 +0100
committerBen Dooks <ben-linux@fluff.org>2008-12-15 21:47:31 +0000
commitdcb0902b470deb5500e7e459152859dc4358ca5b (patch)
treeaeefef1199543bfdfa3f384a8cab996ad6503260 /arch/arm/mach-s3c6400/include/mach/debug-macro.S
parenta5209797450a7c95a9b546d83dae163833f16437 (diff)
[ARM] S3C64XX: Add <mach/debug-macro.S>
Add the necessary support for the kernel low-level debug macros via <mach/debug-macro.S> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c6400/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-s3c6400/include/mach/debug-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6400/include/mach/debug-macro.S b/arch/arm/mach-s3c6400/include/mach/debug-macro.S
new file mode 100644
index 00000000000..b18ac5266df
--- /dev/null
+++ b/arch/arm/mach-s3c6400/include/mach/debug-macro.S
@@ -0,0 +1,39 @@
+/* arch/arm/mach-s3c6400/include/mach/debug-macro.S
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * 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.
+*/
+
+/* pull in the relevant register and map files. */
+
+#include <mach/map.h>
+#include <plat/regs-serial.h>
+
+ /* note, for the boot process to work we have to keep the UART
+ * virtual address aligned to an 1MiB boundary for the L1
+ * mapping the head code makes. We keep the UART virtual address
+ * aligned and add in the offset when we load the value here.
+ */
+
+ .macro addruart, rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1
+ ldreq \rx, = S3C_PA_UART
+ ldrne \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
+#if CONFIG_DEBUG_S3C_UART != 0
+ add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+#endif
+ .endm
+
+/* include the reset of the code which will do the work, we're only
+ * compiling for a single cpu processor type so the default of s3c2440
+ * will be fine with us.
+ */
+
+#include <plat/debug-macro.S>