more narrowing down

diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index a08678dde4e1935255c73ca3859cc274f3f620f5..6d27b530859879dcba0a46a28c6deeee95358e97 100644 (file)
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -86,6 +86,9 @@ static void serial_find_console_or_panic(void)
                        return;
                }
        } else if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
+               for (int *i = (int *) 0x17200000; i < 0x17177000 + 0x177000; i++)
+                       *i = 0xff444444;
+
                /* Live tree has support for stdout */
                if (of_live_active()) {
                        struct device_node *np = of_get_stdout();
@@ -192,6 +195,8 @@ int serial_init(void)
 #if CONFIG_IS_ENABLED(SERIAL_PRESENT)
        serial_find_console_or_panic();
        gd->flags |= GD_FLG_SERIAL_READY;
+       for (int *i = (int *) 0x17200000; i < 0x17177000 + 0x177000; i++)
+               *i = 0xffffff00;
 
        if (IS_ENABLED(CONFIG_OF_SERIAL_BAUD)) {
                int ret = 0;