/* * P5020 DS Setup * * Maintained by Kumar Gala (see MAINTAINERS for contact information) * * Copyright 2009-2010 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 p5020_ds_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,P5020DS")) return 1; /* Check if we're running under the Freescale hypervisor */ if (of_flat_dt_is_compatible(root, "fsl,P5020DS-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(p5020_ds) { .name = "P5020 DS", .probe = p5020_ds_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(p5020_ds, corenet_ds_publish_devices); #ifdef CONFIG_SWIOTLB machine_arch_initcall(p5020_ds, swiotlb_setup_bus_notifier); #endif