1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
new file mode 100644
index 000000000000..fb3b969bf0a2
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
@@ -0,0 +1,42 @@
+/*
+ * Debugging macro include header
+ *
+ * Embedded Alley Solutions, Inc <source@embeddedalley.com>
+ *
+ * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+                .macro  addruart,rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1                 @ MMU enabled?
+                moveq   \rx, #0x80000000        @ physical base address
+                addeq   \rx, \rx, #0x00070000
+                movne   \rx, #0xf0000000        @ virtual base
+                addne   \rx, \rx, #0x00070000
+                .endm
+
+                .macro  senduart,rd,rx
+                strb    \rd, [\rx, #0]          @ data register at 0
+                .endm
+
+                .macro  waituart,rd,rx
+1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
+                tst     \rd, #1 << 5            @ UARTFLGUTXFF - 1 when full
+                bne     1001b
+                .endm
+
+                .macro  busyuart,rd,rx
+1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
+                tst     \rd, #1 << 3            @ UARTFLGUBUSY - 1 when busy
+                bne     1001b
+                .endm