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authorPavel Machek <pavel@ucw.cz>2009-11-02 11:48:29 +0100
committerDaniel Walker <dwalker@fifo99.com>2009-11-20 06:40:05 -0800
commit6339f6695f84e48b42021c6df91d81b17308fe92 (patch)
tree38be250cc731428524eba5f1c598771f71780304 /arch/arm/mach-msm/include/mach/uncompress.h
parent333a07437c31ea8c16a2b82071629a540ae1e50f (diff)
msm: make debugging UART (for DEBUG_LL) configurable
Provides options to select one of the three "lowspeed" UARTs on MSM7k SoCs for DEBUG_LL output from the zImage decompressor and kernel. Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-msm/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-msm/include/mach/uncompress.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/include/mach/uncompress.h b/arch/arm/mach-msm/include/mach/uncompress.h
index 026e8955ace..d94292c29d8 100644
--- a/arch/arm/mach-msm/include/mach/uncompress.h
+++ b/arch/arm/mach-msm/include/mach/uncompress.h
@@ -16,9 +16,16 @@
#ifndef __ASM_ARCH_MSM_UNCOMPRESS_H
#include "hardware.h"
+#include "linux/io.h"
+#include "mach/msm_iomap.h"
static void putc(int c)
{
+#if defined(MSM_DEBUG_UART_PHYS)
+ unsigned base = MSM_DEBUG_UART_PHYS;
+ while (!(readl(base + 0x08) & 0x04)) ;
+ writel(c, base + 0x0c);
+#endif
}
static inline void flush(void)