arm: socfpga: cyclone5: handle debug uart
If CONFIG_DEBUG_UART is enabled, correctly initialize
the debug uart before console is initialized to debug
early boot problems in SPL.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
diff --git a/arch/arm/mach-socfpga/spl_gen5.c b/arch/arm/mach-socfpga/spl_gen5.c
index 0d55266..0e685f6 100644
--- a/arch/arm/mach-socfpga/spl_gen5.c
+++ b/arch/arm/mach-socfpga/spl_gen5.c
@@ -20,6 +20,7 @@
#include <asm/arch/scu.h>
#include <asm/arch/nic301.h>
#include <asm/sections.h>
+#include <debug_uart.h>
#include <fdtdec.h>
#include <watchdog.h>
@@ -153,6 +154,11 @@
/* unfreeze / thaw all IO banks */
sys_mgr_frzctrl_thaw_req();
+#ifdef CONFIG_DEBUG_UART
+ socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
+ debug_uart_init();
+#endif
+
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);