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yaml --- r: 370839 b: refs/heads/master c: b9faa36 h: refs/heads/master i: 370837: c65dd8f 370835: 2ee8911 370831: 8a4d3a9 v: v3
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Kumar Gala
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Mar 12, 2013
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/* | ||
* T4240 QDS Setup | ||
* | ||
* Maintained by Kumar Gala (see MAINTAINERS for contact information) | ||
* | ||
* Copyright 2012 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. | ||
*/ | ||
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#include <linux/kernel.h> | ||
#include <linux/pci.h> | ||
#include <linux/kdev_t.h> | ||
#include <linux/delay.h> | ||
#include <linux/interrupt.h> | ||
#include <linux/phy.h> | ||
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#include <asm/time.h> | ||
#include <asm/machdep.h> | ||
#include <asm/pci-bridge.h> | ||
#include <mm/mmu_decl.h> | ||
#include <asm/prom.h> | ||
#include <asm/udbg.h> | ||
#include <asm/mpic.h> | ||
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#include <linux/of_platform.h> | ||
#include <sysdev/fsl_soc.h> | ||
#include <sysdev/fsl_pci.h> | ||
#include <asm/ehv_pic.h> | ||
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#include "corenet_ds.h" | ||
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/* | ||
* Called very early, device-tree isn't unflattened | ||
*/ | ||
static int __init t4240_qds_probe(void) | ||
{ | ||
unsigned long root = of_get_flat_dt_root(); | ||
#ifdef CONFIG_SMP | ||
extern struct smp_ops_t smp_85xx_ops; | ||
#endif | ||
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if (of_flat_dt_is_compatible(root, "fsl,T4240QDS")) | ||
return 1; | ||
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/* Check if we're running under the Freescale hypervisor */ | ||
if (of_flat_dt_is_compatible(root, "fsl,T4240QDS-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; | ||
} | ||
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return 0; | ||
} | ||
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define_machine(t4240_qds) { | ||
.name = "T4240 QDS", | ||
.probe = t4240_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 | ||
/* coreint doesn't play nice with lazy EE, use legacy mpic for now */ | ||
#ifdef CONFIG_PPC64 | ||
.get_irq = mpic_get_irq, | ||
#else | ||
.get_irq = mpic_get_coreint_irq, | ||
#endif | ||
.restart = fsl_rstcr_restart, | ||
.calibrate_decr = generic_calibrate_decr, | ||
.progress = udbg_progress, | ||
#ifdef CONFIG_PPC64 | ||
.power_save = book3e_idle, | ||
#else | ||
.power_save = e500_idle, | ||
#endif | ||
}; | ||
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machine_arch_initcall(t4240_qds, corenet_ds_publish_devices); | ||
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#ifdef CONFIG_SWIOTLB | ||
machine_arch_initcall(t4240_qds, swiotlb_setup_bus_notifier); | ||
#endif |