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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/powerpc/platforms/85xx/p3060_qds.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/powerpc/platforms/85xx/p3060_qds.c')
-rw-r--r--arch/powerpc/platforms/85xx/p3060_qds.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/p3060_qds.c b/arch/powerpc/platforms/85xx/p3060_qds.c
new file mode 100644
index 00000000000..081cf4ac188
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/p3060_qds.c
@@ -0,0 +1,77 @@
+/*
+ * P3060 QDS Setup
+ *
+ * Copyright 2011 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/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/phy.h>
+#include <asm/machdep.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+#include <linux/of_platform.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+#include <asm/ehv_pic.h>
+#include "corenet_ds.h"
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init p3060_qds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+#ifdef CONFIG_SMP
+ extern struct smp_ops_t smp_85xx_ops;
+#endif
+
+ if (of_flat_dt_is_compatible(root, "fsl,P3060QDS"))
+ return 1;
+
+ /* Check if we're running under the Freescale hypervisor */
+ if (of_flat_dt_is_compatible(root, "fsl,P3060QDS-hv")) {
+ ppc_md.init_IRQ = ehv_pic_init;
+ ppc_md.get_irq = ehv_pic_get_irq;
+ ppc_md.restart = fsl_hv_restart;
+ ppc_md.power_off = fsl_hv_halt;
+ ppc_md.halt = fsl_hv_halt;
+#ifdef CONFIG_SMP
+ /*
+ * Disable the timebase sync operations because we can't write
+ * to the timebase registers under the hypervisor.
+ */
+ smp_85xx_ops.give_timebase = NULL;
+ smp_85xx_ops.take_timebase = NULL;
+#endif
+ return 1;
+ }
+
+ return 0;
+}
+
+define_machine(p3060_qds) {
+ .name = "P3060 QDS",
+ .probe = p3060_qds_probe,
+ .setup_arch = corenet_ds_setup_arch,
+ .init_IRQ = corenet_ds_pic_init,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+ .get_irq = mpic_get_coreint_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+ .power_save = e500_idle,
+};
+
+machine_device_initcall(p3060_qds, corenet_ds_publish_devices);
+
+#ifdef CONFIG_SWIOTLB
+machine_arch_initcall(p3060_qds, swiotlb_setup_bus_notifier);
+#endif