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Diffstat (limited to 'arch/ppc/boot/simple/misc-chestnut.c')
-rw-r--r--arch/ppc/boot/simple/misc-chestnut.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/ppc/boot/simple/misc-chestnut.c b/arch/ppc/boot/simple/misc-chestnut.c
new file mode 100644
index 00000000000..0dce7f3557e
--- /dev/null
+++ b/arch/ppc/boot/simple/misc-chestnut.c
@@ -0,0 +1,35 @@
+/*
+ * arch/ppc/boot/simple/misc-chestnut.c
+ *
+ * Setup for the IBM Chestnut (ibm-750fxgx_eval)
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/mv64x60_defs.h>
+#include <platforms/chestnut.h>
+
+/* Not in the kernel so won't include kernel.h to get its 'max' definition */
+#define max(a,b) (((a) > (b)) ? (a) : (b))
+
+void
+mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
+{
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+ /*
+ * Change device bus 2 window so that bootoader can do I/O thru
+ * 8250/16550 UART that's mapped in that window.
+ */
+ out_le32(new_base + MV64x60_CPU2DEV_2_BASE, CHESTNUT_UART_BASE >> 16);
+ out_le32(new_base + MV64x60_CPU2DEV_2_SIZE, CHESTNUT_UART_SIZE >> 16);
+ __asm__ __volatile__("sync");
+#endif
+}