提交 b9faa360 编写于 作者: K Kumar Gala

powerpc/fsl-booke: Add initial T4240QDS board support

Some minor changes to the common corenet_ds.c code are needed to support
the T4240QDS:
* Add support for "fsl,qoriq-pcie-v3.0" controller
* Bump max # of IRQs to 512 (T4240 supports more interrupts than
  previous SoCs).
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
上级 077f598a
......@@ -305,6 +305,23 @@ config PPC_QEMU_E500
unset based on the emulated CPU (or actual host CPU in the case
of KVM).
if PPC64
config T4240_QDS
bool "Freescale T4240 QDS"
select DEFAULT_UIMAGE
select E500
select PPC_E500MC
select PHYS_64BIT
select SWIOTLB
select ARCH_REQUIRE_GPIOLIB
select GPIO_MPC8XXX
select HAS_RAPIDIO
select PPC_EPAPR_HV_PIC
help
This option enables support for the T4240 QDS board
endif
endif # FSL_SOC_BOOKE
config TQM85xx
......
......@@ -22,6 +22,7 @@ obj-$(CONFIG_P3041_DS) += p3041_ds.o corenet_ds.o
obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o
obj-$(CONFIG_P5020_DS) += p5020_ds.o corenet_ds.o
obj-$(CONFIG_P5040_DS) += p5040_ds.o corenet_ds.o
obj-$(CONFIG_T4240_QDS) += t4240_qds.o corenet_ds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
obj-$(CONFIG_TQM85xx) += tqm85xx.o
obj-$(CONFIG_SBC8548) += sbc8548.o
......
......@@ -40,7 +40,7 @@ void __init corenet_ds_pic_init(void)
if (ppc_md.get_irq == mpic_get_coreint_irq)
flags |= MPIC_ENABLE_COREINT;
mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC ");
mpic = mpic_alloc(NULL, 0, flags, 0, 512, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
......@@ -83,6 +83,9 @@ static const struct of_device_id of_device_ids[] = {
{
.compatible = "fsl,qoriq-pcie-v2.4",
},
{
.compatible = "fsl,qoriq-pcie-v3.0",
},
/* The following two are for the Freescale hypervisor */
{
.name = "hypervisor",
......
/*
* 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.
*/
#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>
#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>
#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 t4240_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,T4240QDS"))
return 1;
/* 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;
}
return 0;
}
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
};
machine_arch_initcall(t4240_qds, corenet_ds_publish_devices);
#ifdef CONFIG_SWIOTLB
machine_arch_initcall(t4240_qds, swiotlb_setup_bus_notifier);
#endif
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