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>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 6e7692ff6f2c..1c5e7dac086f 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -42,6 +42,9 @@ static struct map_desc msm_io_desc[] __initdata = {
         MSM_DEVICE(GPIO1),
         MSM_DEVICE(GPIO2),
         MSM_DEVICE(CLK_CTL),
+#ifdef CONFIG_MSM_DEBUG_UART
+        MSM_DEVICE(DEBUG_UART),
+#endif
         {
                 .virtual =  (unsigned long) MSM_SHARED_RAM_BASE,
                 .pfn =      __phys_to_pfn(MSM_SHARED_RAM_PHYS),