summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/include/mach/debug-macro.S
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
commit51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch)
treea681dca369607ab0f371d5246b0f75140b860a8a /arch/arm/mach-at91/include/mach/debug-macro.S
parentb55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff)
parentb635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff)
downloadkernel-crypto-51ca3c679194e7435c25b8e77b0a73c597e41ae9.tar.gz
kernel-crypto-51ca3c679194e7435c25b8e77b0a73c597e41ae9.tar.xz
kernel-crypto-51ca3c679194e7435c25b8e77b0a73c597e41ae9.zip
Merge branch 'linus' into x86/core
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-at91/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-at91/include/mach/debug-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
new file mode 100644
index 00000000000..29052ba66ad
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-at91/include/mach/debug-macro.S
+ *
+ * Copyright (C) 2003-2005 SAN People
+ *
+ * Debugging macro include header
+ *
+ * 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 <mach/hardware.h>
+#include <mach/at91_dbgu.h>
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldreq \rx, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address)
+ ldrne \rx, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address)
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)] @ Write to Transmitter Holding Register
+ .endm
+
+ .macro waituart,rd,rx
+1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register
+ tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit
+ beq 1001b
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register
+ tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete
+ beq 1001b
+ .endm
+