Merge commit 'kumar/next' into next

1 files changed, 133 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/85xx/socrates.c b/arch/powerpc/platforms/85xx/socrates.c
new file mode 100644
index 00000000000..d0e8443b12c
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/socrates.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2008 Emcraft Systems
+ * Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * Based on MPC8560 ADS and arch/ppc tqm85xx ports
+ *
+ * Maintained by Kumar Gala (see MAINTAINERS for contact information)
+ *
+ * Copyright 2008 Freescale Semiconductor Inc.
+ *
+ * Copyright (c) 2005-2006 DENX Software Engineering
+ * Stefan Roese <sr@denx.de>
+ *
+ * Based on original work by
+ *      Kumar Gala <kumar.gala@freescale.com>
+ *      Copyright 2004 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/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpic.h>
+#include <asm/prom.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#include "socrates_fpga_pic.h"
+
+static void __init socrates_pic_init(void)
+{
+        struct mpic *mpic;
+        struct resource r;
+        struct device_node *np;
+
+        np = of_find_node_by_type(NULL, "open-pic");
+        if (!np) {
+                printk(KERN_ERR "Could not find open-pic node\n");
+                return;
+        }
+
+        if (of_address_to_resource(np, 0, &r)) {
+                printk(KERN_ERR "Could not map mpic register space\n");
+                of_node_put(np);
+                return;
+        }
+
+        mpic = mpic_alloc(np, r.start,
+                        MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+                        0, 256, " OpenPIC  ");
+        BUG_ON(mpic == NULL);
+        of_node_put(np);
+
+        mpic_init(mpic);
+
+        np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
+        if (!np) {
+                printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
+                return;
+        }
+        socrates_fpga_pic_init(np);
+        of_node_put(np);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init socrates_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+        struct device_node *np;
+#endif
+
+        if (ppc_md.progress)
+                ppc_md.progress("socrates_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+        for_each_compatible_node(np, "pci", "fsl,mpc8540-pci")
+                fsl_add_bridge(np, 1);
+#endif
+}
+
+static struct of_device_id __initdata socrates_of_bus_ids[] = {
+        { .compatible = "simple-bus", },
+        { .compatible = "gianfar", },
+        {},
+};
+
+static void __init socrates_init(void)
+{
+        of_platform_bus_probe(NULL, socrates_of_bus_ids, NULL);
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init socrates_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        if (of_flat_dt_is_compatible(root, "abb,socrates"))
+                return 1;
+
+        return 0;
+}
+
+define_machine(socrates) {
+        .name                   = "Socrates",
+        .probe                  = socrates_probe,
+        .setup_arch             = socrates_setup_arch,
+        .init                   = socrates_init,
+        .init_IRQ               = socrates_pic_init,
+        .get_irq                = mpic_get_irq,
+        .restart                = fsl_rstcr_restart,
+        .calibrate_decr         = generic_calibrate_decr,
+        .progress               = udbg_progress,
+};