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| author | Arnd Bergmann <arnd@arndb.de> | 2013-06-20 23:37:55 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2013-06-20 23:37:55 +0400 |
| commit | b31a76546c08f618e355bd12a7cc138c045374b7 (patch) | |
| tree | bc1aba4774e8f4910253c1eb409de278178dfed5 /arch/arm/boot/compressed/debug.S | |
| parent | 4a77a932b9958ffd393581cd5350ca0ef39711de (diff) | |
| parent | 45853507c9362b0bd606b37e8c7c7e7551caa78b (diff) | |
| download | linux-b31a76546c08f618e355bd12a7cc138c045374b7.tar.xz | |
Merge tag 'omap-for-v3.11/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards
From Tony Lindgren:
Minor board changes for v3.11 merge window. These are
tapering down finally as we're getting closer to making
omap2+ DT only.
* tag 'omap-for-v3.11/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap2plus_defconfig: enable USB_PHY and NOP_USB_XCEIV
ARM: OMAP1: nokia770: enable Tahvo
ARM: OMAP3EVM: Marking omap3_evm_display_init() with CONFIG_BROKEN
arm: omap: board-overo: reset GPIO for SMSC911x
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.S | 28 |
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 |