This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / powerpc / platforms / 83xx / mpc834x_itx.c

diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
new file mode 100644 (file)
index 0000000..8eed872
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
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+/*
+ * arch/powerpc/platforms/83xx/mpc834x_itx.c
+ *
+ * MPC834x ITX board specific routines
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * 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/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc83xx.h"
+
+#include <platforms/83xx/mpc834x_sys.h>
+
+#ifndef CONFIG_PCI
+unsigned long isa_io_base = 0;
+unsigned long isa_mem_base = 0;
+#endif
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc834x_itx_setup_arch(void)
+{
+       struct device_node *np;
+
+       if (ppc_md.progress)
+               ppc_md.progress("mpc834x_itx_setup_arch()", 0);
+
+       np = of_find_node_by_type(NULL, "cpu");
+       if (np != 0) {
+               unsigned int *fp =
+                   (int *)get_property(np, "clock-frequency", NULL);
+               if (fp != 0)
+                       loops_per_jiffy = *fp / HZ;
+               else
+                       loops_per_jiffy = 50000000 / HZ;
+               of_node_put(np);
+       }
+#ifdef CONFIG_PCI
+       for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
+               add_bridge(np);
+
+       ppc_md.pci_exclude_device = mpc83xx_exclude_device;
+#endif
+
+#ifdef  CONFIG_ROOT_NFS
+       ROOT_DEV = Root_NFS;
+#else
+       ROOT_DEV = Root_HDA1;
+#endif
+}
+
+void __init mpc834x_itx_init_IRQ(void)
+{
+       struct device_node *np;
+
+       np = of_find_node_by_type(NULL, "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 mpc834x_itx_probe(void)
+{
+       /* We always match for now, eventually we should look at the flat
+          dev tree to ensure this is the board we are suppose to run on
+       */
+       return 1;
+}
+
+define_machine(mpc834x_itx) {
+       .name                   = "MPC834x ITX",
+       .probe                  = mpc834x_itx_probe,
+       .setup_arch             = mpc834x_itx_setup_arch,
+       .init_IRQ               = mpc834x_itx_init_IRQ,
+       .get_irq                = ipic_get_irq,
+       .restart                = mpc83xx_restart,
+       .time_init              = mpc83xx_time_init,
+       .calibrate_decr         = generic_calibrate_decr,
+       .progress               = udbg_progress,
+#ifdef CONFIG_PCI
+       .pcibios_fixup          = mpc83xx_pcibios_fixup,
+#endif
+};