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authorArnd Bergmann <arnd@arndb.de>2013-06-20 16:41:37 +0200
committerArnd Bergmann <arnd@arndb.de>2013-06-20 16:41:37 +0200
commit0a15e0b5b9342fd7fb3f40b24872c174b0e402ea (patch)
treefcaa440936a09a29d8c7c0329a59a1b673dfcc9e /arch/arm/boot/compressed/debug.S
parent60d808ddff97071ee4c3e1d13454642f3d0e8ae1 (diff)
parent8bfdfc87dc3d00eb2f33e972b4177c36ca0e3d54 (diff)
downloadtalos-op-linux-0a15e0b5b9342fd7fb3f40b24872c174b0e402ea.tar.gz
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Merge tag 'omap-for-v3.11/pm-voltdomain-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
From Tony Lindgren: PM voltage domain clean-up via Kevin Hilman <khilman@linaro.org>: OMAP: PM: remove requirement for voltage domain data; remove dummy data * tag 'omap-for-v3.11/pm-voltdomain-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: AM33xx: Remove the unused voltagedomain data ARM: OMAP2+: Powerdomain: Remove the need to always have a voltdm associated to a pwrdm Includes an update to Linux 3.10-rc6. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/boot/compressed/debug.S')
-rw-r--r--arch/arm/boot/compressed/debug.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S
index 6e8382d5b7a4..5392ee63338f 100644
--- a/arch/arm/boot/compressed/debug.S
+++ b/arch/arm/boot/compressed/debug.S
@@ -1,6 +1,8 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
+#ifndef CONFIG_DEBUG_SEMIHOSTING
+
#include CONFIG_DEBUG_LL_INCLUDE
ENTRY(putc)
@@ -10,3 +12,29 @@ ENTRY(putc)
busyuart r3, r1
mov pc, lr
ENDPROC(putc)
+
+#else
+
+ENTRY(putc)
+ adr r1, 1f
+ ldmia r1, {r2, r3}
+ add r2, r2, r1
+ ldr r1, [r2, r3]
+ strb r0, [r1]
+ mov r0, #0x03 @ SYS_WRITEC
+ ARM( svc #0x123456 )
+ THUMB( svc #0xab )
+ mov pc, lr
+ .align 2
+1: .word _GLOBAL_OFFSET_TABLE_ - .
+ .word semi_writec_buf(GOT)
+ENDPROC(putc)
+
+ .bss
+ .global semi_writec_buf
+ .type semi_writec_buf, %object
+semi_writec_buf:
+ .space 4
+ .size semi_writec_buf, 4
+
+#endif
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