aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
diff options
context:
space:
mode:
authorVegard Nossum <vegard.nossum@gmail.com>2009-06-15 15:50:49 +0200
committerVegard Nossum <vegard.nossum@gmail.com>2009-06-15 15:50:49 +0200
commit722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch)
tree50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
parentsignal: fix __send_signal() false positive kmemcheck warning (diff)
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next (diff)
downloadlinux-dev-722f2a6c87f34ee0fd0130a8cf45f81e0705594a.tar.xz
linux-dev-722f2a6c87f34ee0fd0130a8cf45f81e0705594a.zip
Merge commit 'linus/master' into HEAD
Conflicts: MAINTAINERS Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
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 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