keystone: init: enable UART1 to be able use it from kernel

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / keystone / init.c

diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c
index 044015aed6445958e1e5b4a7bec7b93115465f59..4df5ae1cae97f75cc0b5609888b982a66b396c22 100644 (file)
--- a/arch/arm/cpu/armv7/keystone/init.c
+++ b/arch/arm/cpu/armv7/keystone/init.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <ns16550.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/hardware.h>
@@ -30,6 +31,14 @@ int arch_cpu_init(void)
        share_all_segments(11); /* PCIE */
 #endif
 
+       /*
+        * just initialise the COM2 port so that TI specific
+        * UART register PWREMU_MGMT is initialized. Linux UART
+        * driver doesn't handle this.
+        */
+       NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2),
+                    CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
        return 0;
 }