MIPS: Alchemy: debug output for compressed kernels
Hook up the compressed debug output for all Alchemy systems supported
by current kernel codebase.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/879/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index b798830..76d6930 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -36,6 +36,7 @@
obj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o
obj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
+obj-$(CONFIG_MACH_ALCHEMY) += $(obj)/uart-alchemy.o
OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
$(obj)/vmlinux.bin: $(KBUILD_IMAGE)
diff --git a/arch/mips/boot/compressed/uart-alchemy.c b/arch/mips/boot/compressed/uart-alchemy.c
new file mode 100644
index 0000000..1bff22f
--- /dev/null
+++ b/arch/mips/boot/compressed/uart-alchemy.c
@@ -0,0 +1,7 @@
+#include <asm/mach-au1x00/au1000.h>
+
+void putc(char c)
+{
+ /* all current (Jan. 2010) in-kernel boards */
+ alchemy_uart_putchar(UART0_PHYS_ADDR, c);
+}