3 files changed, 130 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
new file mode 100644
index 000000000000..8e66949e7c67
--- /dev/null
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -0,0 +1,56 @@
+#config BAMBOO
+#       bool "Bamboo"
+#       depends on 44x
+#       default n
+#       select 440EP
+#       help
+#         This option enables support for the IBM PPC440EP evaluation board.
+
+config EBONY
+        bool "Ebony"
+        depends on 44x
+        default y
+        select 440GP
+        help
+          This option enables support for the IBM PPC440GP evaluation board.
+
+#config LUAN
+#       bool "Luan"
+#       depends on 44x
+#       default n
+#       select 440SP
+#       help
+#         This option enables support for the IBM PPC440SP evaluation board.
+
+#config OCOTEA
+#       bool "Ocotea"
+#       depends on 44x
+#       default n
+#       select 440GX
+#       help
+#         This option enables support for the IBM PPC440GX evaluation board.
+
+# 44x specific CPU modules, selected based on the board above.
+config 440EP
+        bool
+        select PPC_FPU
+        select IBM440EP_ERR42
+
+config 440GP
+        bool
+        select IBM_NEW_EMAC_ZMII
+
+config 440GX
+        bool
+
+config 440SP
+        bool
+
+config 440A
+        bool
+        depends on 440GX
+        default y
+
+# 44x errata/workaround config symbols, selected by the CPU models above
+config IBM440EP_ERR42
+        bool
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 575fdde5c905..41d0a18a0e44 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_44x)       := misc_44x.o
+obj-$(CONFIG_EBONY)     += ebony.o
diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c
new file mode 100644
index 000000000000..ad526eafc90b
--- /dev/null
+++ b/arch/powerpc/platforms/44x/ebony.c
@@ -0,0 +1,73 @@
+/*
+ * Ebony board specific routines
+ *
+ * Matt Porter <mporter@kernel.crashing.org>
+ * Copyright 2002-2005 MontaVista Software Inc.
+ *
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ * Copyright (c) 2003-2005 Zultys Technologies
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 David Gibson <dwg@au1.ibm.com>, 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 <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/of_platform.h>
+
+#include "44x.h"
+
+static struct of_device_id ebony_of_bus[] = {
+        { .type = "ibm,plb", },
+        { .type = "ibm,opb", },
+        { .type = "ibm,ebc", },
+        {},
+};
+
+static int __init ebony_device_probe(void)
+{
+        if (!machine_is(ebony))
+                return 0;
+
+        of_platform_bus_probe(NULL, ebony_of_bus, NULL);
+
+        return 0;
+}
+device_initcall(ebony_device_probe);
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init ebony_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        if (!of_flat_dt_is_compatible(root, "ibm,ebony"))
+                return 0;
+
+        return 1;
+}
+
+static void __init ebony_setup_arch(void)
+{
+}
+
+define_machine(ebony) {
+        .name                   = "Ebony",
+        .probe                  = ebony_probe,
+        .setup_arch             = ebony_setup_arch,
+        .progress               = udbg_progress,
+        .init_IRQ               = uic_init_tree,
+        .get_irq                = uic_get_irq,
+        .restart                = ppc44x_reset_system,
+        .calibrate_decr         = generic_calibrate_decr,
+};