[POWERPC] 83xx: Add support for Analogue & Micro ASP837E board

The following adds support for the Analogue & Micro ASP 8347E, running
Redboot.

http://www.analogue-micro.com/ASP8347.html

Signed-off-by: Bryan O'Donoghue <bodonoghue@codehermit.ie>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

3 files changed, 100 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 13587e2e8680..583b0c7409c9 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -79,6 +79,15 @@ config SBC834x
         help
           This option enables support for the Wind River SBC834x board.
 
+config ASP834x
+        bool "Analogue & Micro ASP 834x"
+        select PPC_MPC834x
+        select REDBOOT
+        help
+          This enables support for the Analogue & Micro ASP 83xx
+          board.
+
+
 endif
 
 # used for usb
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 7e6dd3e259d8..76494bed69ae 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_MPC832x_MDS)	+= mpc832x_mds.o
 obj-$(CONFIG_MPC837x_MDS)       += mpc837x_mds.o
 obj-$(CONFIG_SBC834x)           += sbc834x.o
 obj-$(CONFIG_MPC837x_RDB)       += mpc837x_rdb.o
+obj-$(CONFIG_ASP834x)           += asp834x.o
diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c
new file mode 100644
index 000000000000..bb30d67ad0a2
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/asp834x.c
@@ -0,0 +1,90 @@
+/*
+ * arch/powerpc/platforms/83xx/asp834x.c
+ *
+ * Analogue & Micro ASP8347 board specific routines
+ * clone of mpc834x_itx
+ *
+ * Copyright 2008 Codehermit
+ *
+ * Maintainer: Bryan O'Donoghue <bodonoghue@codhermit.ie>
+ *
+ * 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/pci.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+
+#include "mpc83xx.h"
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init asp834x_setup_arch(void)
+{
+        if (ppc_md.progress)
+                ppc_md.progress("asp834x_setup_arch()", 0);
+
+        mpc834x_usb_cfg();
+}
+
+static void __init asp834x_init_IRQ(void)
+{
+        struct device_node *np;
+
+        np = of_find_node_by_type(NULL, "ipic");
+        if (!np)
+                return;
+
+        ipic_init(np, 0);
+
+        of_node_put(np);
+
+        /* Initialize the default interrupt mapping priorities,
+         * in case the boot rom changed something on us.
+         */
+        ipic_set_default_priority();
+}
+
+static struct __initdata of_device_id asp8347_ids[] = {
+        { .type = "soc", },
+        { .compatible = "soc", },
+        { .compatible = "simple-bus", },
+        {},
+};
+
+static int __init asp8347_declare_of_platform_devices(void)
+{
+        of_platform_bus_probe(NULL, asp8347_ids, NULL);
+        return 0;
+}
+machine_device_initcall(asp834x, asp8347_declare_of_platform_devices);
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init asp834x_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+        return of_flat_dt_is_compatible(root, "analogue-and-micro,asp8347e");
+}
+
+define_machine(asp834x) {
+        .name                   = "ASP8347E",
+        .probe                  = asp834x_probe,
+        .setup_arch             = asp834x_setup_arch,
+        .init_IRQ               = asp834x_init_IRQ,
+        .get_irq                = ipic_get_irq,
+        .restart                = mpc83xx_restart,
+        .time_init              = mpc83xx_time_init,
+        .calibrate_decr         = generic_calibrate_decr,
+        .progress               = udbg_progress,
+};