tegra2: Add arch_cpu_init() to fire up Cortex-A9

[kernel/u-boot.git] / arch / arm / cpu / armv7 / tegra2 / board.c

diff --git a/arch/arm/cpu/armv7/tegra2/board.c b/arch/arm/cpu/armv7/tegra2/board.c
index 751102d..4530194 100644 (file)
--- a/arch/arm/cpu/armv7/tegra2/board.c
+++ b/arch/arm/cpu/armv7/tegra2/board.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include "ap20.h"
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/tegra2.h>
 #include <asm/arch/pmc.h>
@@ -86,3 +87,17 @@ int checkboard(void)
        return 0;
 }
 #endif /* CONFIG_DISPLAY_BOARDINFO */
+
+#ifdef CONFIG_ARCH_CPU_INIT
+/*
+ * Note this function is executed by the ARM7TDMI AVP. It does not return
+ * in this case. It is also called once the A9 starts up, but does nothing in
+ * that case.
+ */
+int arch_cpu_init(void)
+{
+       /* Fire up the Cortex A9 */
+       tegra2_start();
+       return 0;
+}
+#endif