Initial import of qemu-2.4.1HEADmaster

1 files changed, 47 insertions, 0 deletions

diff --git a/roms/u-boot/arch/powerpc/cpu/74xx_7xx/cpu_init.c b/roms/u-boot/arch/powerpc/cpu/74xx_7xx/cpu_init.c
new file mode 100644
index 00000000..a6a87884
--- /dev/null
+++ b/roms/u-boot/arch/powerpc/cpu/74xx_7xx/cpu_init.c
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * cpu_init.c - low level cpu init
+ *
+ * there's really nothing going on here yet.  future work area?
+ */
+
+#include <common.h>
+#include <74xx_7xx.h>
+
+/*
+ * Breath some life into the CPU...
+ *
+ * there's basically nothing to do here since the memory controller
+ * isn't on the CPU in this case.
+ */
+void
+cpu_init_f (void)
+{
+	switch (get_cpu_type()) {
+	case CPU_7450:
+	case CPU_7455:
+	case CPU_7457:
+	case CPU_7447A:
+	case CPU_7448:
+		/* enable the timebase bit in HID0 */
+		set_hid0(get_hid0() | 0x4000000);
+		break;
+	default:
+		/* do nothing */
+		break;
+	}
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r (void)
+{
+	return (0);
+}