[U-Boot] rockchip: enable debug uart

Eddie Cai eddie.cai.linux at gmail.com
Tue Apr 18 11:17:27 UTC 2017


enable debug uart for rk3288 and print something to let people know
where we are

Signed-off-by: Eddie Cai <eddie.cai.linux at gmail.com>
---
 arch/arm/mach-rockchip/rk3288-board-spl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c
index 74f3379..8ca6b1e 100644
--- a/arch/arm/mach-rockchip/rk3288-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3288-board-spl.c
@@ -164,7 +164,6 @@ void board_init_f(ulong dummy)
 	int ret;
 
 	/* Example code showing how to enable the debug UART on RK3288 */
-#ifdef EARLY_UART
 #include <asm/arch/grf_rk3288.h>
 	/* Enable early UART on the RK3288 */
 #define GRF_BASE	0xff770000
@@ -183,8 +182,7 @@ void board_init_f(ulong dummy)
 	 * printascii("string");
 	 */
 	debug_uart_init();
-#endif
-
+	debug("\nspl:debug uart enabled in %s\n", __func__);
 	ret = spl_early_init();
 	if (ret) {
 		debug("spl_early_init() failed: %d\n", ret);
@@ -205,7 +203,7 @@ void board_init_f(ulong dummy)
 		debug("Pinctrl init failed: %d\n", ret);
 		return;
 	}
-
+	debug("\nspl:init dram\n");
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {
 		debug("DRAM init failed: %d\n", ret);
-- 
2.10.2



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