Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / platforms / 83xx / mpc834x_itx.c

diff --git a/kernel/arch/powerpc/platforms/83xx/mpc834x_itx.c b/kernel/arch/powerpc/platforms/83xx/mpc834x_itx.c
new file mode 100644 (file)
index 0000000..80aea8c
--- /dev/null
+++ b/kernel/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -0,0 +1,88 @@
+/*
+ * 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 <linux/of_platform.h>
+
+#include <linux/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#include "mpc83xx.h"
+
+static const struct of_device_id mpc834x_itx_ids[] __initconst = {
+       { .compatible = "fsl,pq2pro-localbus", },
+       {},
+};
+
+static int __init mpc834x_itx_declare_of_platform_devices(void)
+{
+       mpc83xx_declare_of_platform_devices();
+       return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
+}
+machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc834x_itx_setup_arch(void)
+{
+       if (ppc_md.progress)
+               ppc_md.progress("mpc834x_itx_setup_arch()", 0);
+
+       mpc83xx_setup_pci();
+
+       mpc834x_usb_cfg();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc834x_itx_probe(void)
+{
+        unsigned long root = of_get_flat_dt_root();
+
+        return of_flat_dt_is_compatible(root, "MPC834xMITX");
+}
+
+define_machine(mpc834x_itx) {
+       .name                   = "MPC834x ITX",
+       .probe                  = mpc834x_itx_probe,
+       .setup_arch             = mpc834x_itx_setup_arch,
+       .init_IRQ               = mpc83xx_ipic_init_IRQ,
+       .get_irq                = ipic_get_irq,
+       .restart                = mpc83xx_restart,
+       .time_init              = mpc83xx_time_init,
+       .calibrate_decr         = generic_calibrate_decr,
+       .progress               = udbg_progress,
+};