1 files changed, 125 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
new file mode 100644
index 00000000000..71d7c038961
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -0,0 +1,125 @@
+/*
+ * MPC8536 DS Board Setup
+ *
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * 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/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+void __init mpc8536_ds_pic_init(void)
+{
+	struct mpic *mpic;
+	struct resource r;
+	struct device_node *np;
+
+	np = of_find_node_by_type(np, "open-pic");
+	if (np == NULL) {
+		printk(KERN_ERR "Could not find open-pic node\n");
+		return;
+	}
+
+	if (of_address_to_resource(np, 0, &r)) {
+		printk(KERN_ERR "Failed to map mpic register space\n");
+		of_node_put(np);
+		return;
+	}
+
+	mpic = mpic_alloc(np, r.start,
+			  MPIC_PRIMARY | MPIC_WANTS_RESET |
+			  MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+			0, 256, " OpenPIC  ");
+	BUG_ON(mpic == NULL);
+	of_node_put(np);
+
+	mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init mpc8536_ds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+
+	if (ppc_md.progress)
+		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	for_each_node_by_type(np, "pci") {
+		if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+		    of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+			struct resource rsrc;
+			of_address_to_resource(np, 0, &rsrc);
+			if ((rsrc.start & 0xfffff) == 0x8000)
+				fsl_add_bridge(np, 1);
+			else
+				fsl_add_bridge(np, 0);
+		}
+	}
+
+#endif
+
+	printk("MPC8536 DS board from Freescale Semiconductor\n");
+}
+
+static struct of_device_id __initdata mpc8536_ds_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{},
+};
+
+static int __init mpc8536_ds_publish_devices(void)
+{
+	return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL);
+}
+machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc8536_ds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
+}
+
+define_machine(mpc8536_ds) {
+	.name			= "MPC8536 DS",
+	.probe			= mpc8536_ds_probe,
+	.setup_arch		= mpc8536_ds_setup_arch,
+	.init_IRQ		= mpc8536_ds_pic_init,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+};