Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=833e31e7368335b40be344f73b67fe79c61eb63d
Commit:     833e31e7368335b40be344f73b67fe79c61eb63d
Parent:     f03ca957faa4d51f3a9c52c1ad5ea61a0978c637
Author:     Li Yang <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 19 19:38:45 2007 +0800
Committer:  Kumar Gala <[EMAIL PROTECTED]>
CommitDate: Tue Dec 11 13:57:18 2007 -0600

    [POWERPC] 83xx: Add platform support for MPC837x MDS board
    
    The MPC837x MDS is a new member of Freescale MDS reference system.
    
    Signed-off-by: Li Yang <[EMAIL PROTECTED]>
    Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
 arch/powerpc/platforms/83xx/Kconfig       |   11 +++
 arch/powerpc/platforms/83xx/Makefile      |    1 +
 arch/powerpc/platforms/83xx/mpc837x_mds.c |  104 +++++++++++++++++++++++++++++
 3 files changed, 116 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/platforms/83xx/Kconfig 
b/arch/powerpc/platforms/83xx/Kconfig
index ec305f1..2430ac8 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -50,6 +50,11 @@ config MPC836x_MDS
        help
          This option enables support for the MPC836x MDS Processor Board.
 
+config MPC837x_MDS
+       bool "Freescale MPC837x MDS"
+       select DEFAULT_UIMAGE
+       help
+         This option enables support for the MPC837x MDS Processor Board.
 endchoice
 
 config PPC_MPC831x
@@ -75,3 +80,9 @@ config PPC_MPC836x
        select PPC_UDBG_16550
        select PPC_INDIRECT_PCI
        default y if MPC836x_MDS
+
+config PPC_MPC837x
+       bool
+       select PPC_UDBG_16550
+       select PPC_INDIRECT_PCI
+       default y if MPC837x_MDS
diff --git a/arch/powerpc/platforms/83xx/Makefile 
b/arch/powerpc/platforms/83xx/Makefile
index 5a98f88..df46629 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_MPC834x_MDS)       += mpc834x_mds.o
 obj-$(CONFIG_MPC834x_ITX)      += mpc834x_itx.o
 obj-$(CONFIG_MPC836x_MDS)      += mpc836x_mds.o
 obj-$(CONFIG_MPC832x_MDS)      += mpc832x_mds.o
+obj-$(CONFIG_MPC837x_MDS)      += mpc837x_mds.o
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c 
b/arch/powerpc/platforms/83xx/mpc837x_mds.c
new file mode 100644
index 0000000..166c111
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -0,0 +1,104 @@
+/*
+ * arch/powerpc/platforms/83xx/mpc837x_mds.c
+ *
+ * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * MPC837x MDS board specific routines
+ *
+ * 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.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+#include <asm/prom.h>
+
+#include "mpc83xx.h"
+
+#ifndef CONFIG_PCI
+unsigned long isa_io_base = 0;
+unsigned long isa_mem_base = 0;
+#endif
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc837x_mds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+       struct device_node *np;
+#endif
+
+       if (ppc_md.progress)
+               ppc_md.progress("mpc837x_mds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+       for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+               mpc83xx_add_bridge(np);
+#endif
+}
+
+static struct of_device_id mpc837x_ids[] = {
+       { .type = "soc", },
+       { .compatible = "soc", },
+       {},
+};
+
+static int __init mpc837x_declare_of_platform_devices(void)
+{
+       if (!machine_is(mpc837x_mds))
+               return 0;
+
+       /* Publish of_device */
+       of_platform_bus_probe(NULL, mpc837x_ids, NULL);
+
+       return 0;
+}
+device_initcall(mpc837x_declare_of_platform_devices);
+
+static void __init mpc837x_mds_init_IRQ(void)
+{
+       struct device_node *np;
+
+       np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+       if (!np)
+               return;
+
+       ipic_init(np, 0);
+
+       /* Initialize the default interrupt mapping priorities,
+        * in case the boot rom changed something on us.
+        */
+       ipic_set_default_priority();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc837x_mds_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "fsl,mpc837xmds");
+}
+
+define_machine(mpc837x_mds) {
+       .name                   = "MPC837x MDS",
+       .probe                  = mpc837x_mds_probe,
+       .setup_arch             = mpc837x_mds_setup_arch,
+       .init_IRQ               = mpc837x_mds_init_IRQ,
+       .get_irq                = ipic_get_irq,
+       .restart                = mpc83xx_restart,
+       .time_init              = mpc83xx_time_init,
+       .calibrate_decr         = generic_calibrate_decr,
+       .progress               = udbg_progress,
+};
-
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