TI816X: Add low level debug support

This patch adds support for low level debugging on TI816X boards. Currently the
support for UART3 console on TI816X EVM is added.

Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index ad98b85cae21..30b891c4a93f 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -93,6 +93,10 @@ static inline void flush(void)
 #define DEBUG_LL_ZOOM(mach)                                             \
         _DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART)
 
+#define DEBUG_LL_TI816X(p, mach)                                        \
+        _DEBUG_LL_ENTRY(mach, TI816X_UART##p##_BASE, OMAP_PORT_SHIFT,   \
+                TI816XUART##p)
+
 static inline void __arch_decomp_setup(unsigned long arch_id)
 {
         int port = 0;
@@ -166,6 +170,9 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
                 DEBUG_LL_ZOOM(omap_zoom2);
                 DEBUG_LL_ZOOM(omap_zoom3);
 
+                /* TI8168 base boards using UART3 */
+                DEBUG_LL_TI816X(3, ti8168evm);
+
         } while (0);
 }