[POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x

This patch adds basic support for the new 405EX and the AMCC eval board
Kilauea to arch/powerpc.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

3 files changed, 68 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index a0a50b16b8a..47b3b0a3864 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -29,6 +29,13 @@
 #       help
 #         This option enables support for the extra features of the EP405PC board.
 
+config KILAUEA
+        bool "Kilauea"
+        depends on 40x
+        default n
+        help
+          This option enables support for the AMCC PPC405EX evaluation board.
+
 #config REDWOOD_5
 #       bool "Redwood-5"
 #       depends on 40x
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index 0a3cfe99a7e..51dadeee6fc 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -1,2 +1,3 @@
-obj-$(CONFIG_WALNUT) += walnut.o
-obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o
+obj-$(CONFIG_KILAUEA)                           += kilauea.o
+obj-$(CONFIG_WALNUT)                            += walnut.o
+obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)       += virtex.o
diff --git a/arch/powerpc/platforms/40x/kilauea.c b/arch/powerpc/platforms/40x/kilauea.c
new file mode 100644
index 00000000000..1bffdbdd21b
--- /dev/null
+++ b/arch/powerpc/platforms/40x/kilauea.c
@@ -0,0 +1,58 @@
+/*
+ * Kilauea board specific routines
+ *
+ * Copyright 2007 DENX Software Engineering, Stefan Roese <sr@denx.de>
+ *
+ * Based on the Walnut code by
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ * Copyright 2007 IBM Corporation
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+
+static struct of_device_id kilauea_of_bus[] = {
+        { .compatible = "ibm,plb4", },
+        { .compatible = "ibm,opb", },
+        { .compatible = "ibm,ebc", },
+        {},
+};
+
+static int __init kilauea_device_probe(void)
+{
+        if (!machine_is(kilauea))
+                return 0;
+
+        of_platform_bus_probe(NULL, kilauea_of_bus, NULL);
+
+        return 0;
+}
+device_initcall(kilauea_device_probe);
+
+static int __init kilauea_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        if (!of_flat_dt_is_compatible(root, "amcc,kilauea"))
+                return 0;
+
+        return 1;
+}
+
+define_machine(kilauea) {
+        .name                           = "Kilauea",
+        .probe                          = kilauea_probe,
+        .progress                       = udbg_progress,
+        .init_IRQ                       = uic_init_tree,
+        .get_irq                        = uic_get_irq,
+        .calibrate_decr                 = generic_calibrate_decr,
+};