powerpc/fsl-booke: Add initial T4240QDS board support (b9faa360) · Commits · 戴 / test

arch/powerpc/platforms/85xx/Kconfig

+17 −0

Original line number	Diff line number	Diff line
		@@ -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

arch/powerpc/platforms/85xx/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -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

arch/powerpc/platforms/85xx/corenet_ds.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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",

arch/powerpc/platforms/85xx/t4240_qds.c

0 → 100644

+98 −0

Original line number	Diff line number	Diff line
		/*
		* 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

Admin message