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authordmitry pervushin <dpervushin@embeddedalley.com>2009-04-22 23:55:23 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-04-27 10:28:07 +0100
commite317872ac532fd845c597e55ceb5a9bceee878c1 (patch)
treed3cb40d75229448563dc5b5ea93c35d5717b7996 /arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
parent07d9714365bcab286389d679f73512e35796847c (diff)
[ARM] 5466/1: Freescale STMP platform support [5/10]
Shared (platform) headers Signed-off-by: dmitry pervushin <dpervushin@embeddedalley.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-stmp3xxx/include/mach/debug-macro.S')
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/debug-macro.S42
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 00000000000..fb3b969bf0a
--- /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