Board support for the PPC405 Walnut evaluation board
Signed-off-by: Josh Boyer <[EMAIL PROTECTED]>
---
arch/powerpc/platforms/40x/Kconfig | 14 +++----
arch/powerpc/platforms/40x/Makefile | 2 -
arch/powerpc/platforms/40x/walnut.c | 68 ++++++++++++++++++++++++++++++++++++
arch/powerpc/platforms/Kconfig | 2 -
arch/powerpc/platforms/Makefile | 2 -
5 files changed, 78 insertions(+), 10 deletions(-)
--- linux-2.6.orig/arch/powerpc/platforms/40x/Makefile
+++ linux-2.6/arch/powerpc/platforms/40x/Makefile
@@ -1 +1 @@
-# empty makefile so make clean works
\ No newline at end of file
+obj-$(CONFIG_WALNUT) += walnut.o
--- /dev/null
+++ linux-2.6/arch/powerpc/platforms/40x/walnut.c
@@ -0,0 +1,68 @@
+/*
+ * Architecture- / platform-specific boot-time initialization code for
+ * IBM PowerPC 4xx based boards. Adapted from original
+ * code by Gary Thomas, Cort Dougan <[EMAIL PROTECTED]>, and Dan Malek
+ * <[EMAIL PROTECTED]>.
+ *
+ * Copyright(c) 1999-2000 Grant Erickson <[EMAIL PROTECTED]>
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 IBM Corporation
+ * Josh Boyer <[EMAIL PROTECTED]>
+ *
+ * 2002 (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/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>
+
+static struct of_device_id walnut_of_bus[] = {
+ { .compatible = "ibm,plb3", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ {},
+};
+
+static int __init walnut_device_probe(void)
+{
+ if (!machine_is(walnut))
+ return 0;
+
+ /* FIXME: do bus probe here */
+ of_platform_bus_probe(NULL, walnut_of_bus, NULL);
+
+ return 0;
+}
+device_initcall(walnut_device_probe);
+
+static int __init walnut_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
+ return 0;
+
+ return 1;
+}
+
+static void __init walnut_setup_arch(void)
+{
+}
+
+define_machine(walnut) {
+ .name = "Walnut",
+ .probe = walnut_probe,
+ .setup_arch = walnut_setup_arch,
+ .progress = udbg_progress,
+ .init_IRQ = uic_init_tree,
+ .get_irq = uic_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+};
--- linux-2.6.orig/arch/powerpc/platforms/40x/Kconfig
+++ linux-2.6/arch/powerpc/platforms/40x/Kconfig
@@ -53,13 +53,13 @@
# help
# This option enables support for the IBM PPC405GPr evaluation board.
-#config WALNUT
-# bool "Walnut"
-# depends on 40x
-# default y
-# select 405GP
-# help
-# This option enables support for the IBM PPC405GP evaluation board.
+config WALNUT
+ bool "Walnut"
+ depends on 40x
+ default y
+ select 405GP
+ help
+ This option enables support for the IBM PPC405GP evaluation board.
#config XILINX_ML300
# bool "Xilinx-ML300"
--- linux-2.6.orig/arch/powerpc/platforms/Kconfig
+++ linux-2.6/arch/powerpc/platforms/Kconfig
@@ -59,7 +59,7 @@ source "arch/powerpc/platforms/85xx/Kcon
source "arch/powerpc/platforms/86xx/Kconfig"
source "arch/powerpc/platforms/embedded6xx/Kconfig"
source "arch/powerpc/platforms/44x/Kconfig"
-#source "arch/powerpc/platforms/4xx/Kconfig
+source "arch/powerpc/platforms/40x/Kconfig"
config PPC_NATIVE
bool
--- linux-2.6.orig/arch/powerpc/platforms/Makefile
+++ linux-2.6/arch/powerpc/platforms/Makefile
@@ -9,7 +9,7 @@ obj-$(CONFIG_PPC_PMAC) += powermac/
endif
endif
obj-$(CONFIG_PPC_CHRP) += chrp/
-#obj-$(CONFIG_4xx) += 4xx/
+obj-$(CONFIG_40x) += 40x/
obj-$(CONFIG_44x) += 44x/
obj-$(CONFIG_PPC_MPC52xx) += 52xx/
obj-$(CONFIG_PPC_8xx) += 8xx/
--
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