195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala/* 295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * P5020 DS Setup 395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * 495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * Maintained by Kumar Gala (see MAINTAINERS for contact information) 595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * 695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * Copyright 2009-2010 Freescale Semiconductor Inc. 795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * 895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * This program is free software; you can redistribute it and/or modify it 995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * under the terms of the GNU General Public License as published by the 1095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * Free Software Foundation; either version 2 of the License, or (at your 1195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * option) any later version. 1295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala */ 1395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 1495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/kernel.h> 1595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/pci.h> 1695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/kdev_t.h> 1795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/delay.h> 1895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/interrupt.h> 1995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/phy.h> 2095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 2195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/time.h> 2295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/machdep.h> 2395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/pci-bridge.h> 2495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <mm/mmu_decl.h> 2595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/prom.h> 2695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/udbg.h> 2795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <asm/mpic.h> 2895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 2995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <linux/of_platform.h> 3095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <sysdev/fsl_soc.h> 3195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include <sysdev/fsl_pci.h> 323907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi#include <asm/ehv_pic.h> 3395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 3495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#include "corenet_ds.h" 3595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 3695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala/* 3795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala * Called very early, device-tree isn't unflattened 3895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala */ 3995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Galastatic int __init p5020_ds_probe(void) 4095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala{ 4195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala unsigned long root = of_get_flat_dt_root(); 4214497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi#ifdef CONFIG_SMP 4314497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi extern struct smp_ops_t smp_85xx_ops; 4414497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi#endif 4595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 463907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi if (of_flat_dt_is_compatible(root, "fsl,P5020DS")) 473907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi return 1; 483907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi 493907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi /* Check if we're running under the Freescale hypervisor */ 503907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi if (of_flat_dt_is_compatible(root, "fsl,P5020DS-hv")) { 513907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi ppc_md.init_IRQ = ehv_pic_init; 523907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi ppc_md.get_irq = ehv_pic_get_irq; 533907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi ppc_md.restart = fsl_hv_restart; 543907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi ppc_md.power_off = fsl_hv_halt; 553907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi ppc_md.halt = fsl_hv_halt; 5614497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi#ifdef CONFIG_SMP 5714497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi /* 5814497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi * Disable the timebase sync operations because we can't write 5914497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi * to the timebase registers under the hypervisor. 6014497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi */ 6114497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi smp_85xx_ops.give_timebase = NULL; 6214497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi smp_85xx_ops.take_timebase = NULL; 6314497d31e65cca73c9814a1ff373ae294aae616bTimur Tabi#endif 643907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi return 1; 653907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi } 663907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi 673907ab26866006087c4d1e48e9d1306e281ec955Timur Tabi return 0; 6895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala} 6995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 7095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Galadefine_machine(p5020_ds) { 7195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .name = "P5020 DS", 7295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .probe = p5020_ds_probe, 7395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .setup_arch = corenet_ds_setup_arch, 7495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .init_IRQ = corenet_ds_pic_init, 7595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#ifdef CONFIG_PCI 7695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .pcibios_fixup_bus = fsl_pcibios_fixup_bus, 7795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#endif 7895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala/* coreint doesn't play nice with lazy EE, use legacy mpic for now */ 7995400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#ifdef CONFIG_PPC64 8095400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .get_irq = mpic_get_irq, 8195400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#else 8295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .get_irq = mpic_get_coreint_irq, 8395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#endif 8495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .restart = fsl_rstcr_restart, 8595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .calibrate_decr = generic_calibrate_decr, 8695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala .progress = udbg_progress, 87ebf714ff37561331eb39963945d80bfc2a59e00fScott Wood#ifdef CONFIG_PPC64 88ebf714ff37561331eb39963945d80bfc2a59e00fScott Wood .power_save = book3e_idle, 89ebf714ff37561331eb39963945d80bfc2a59e00fScott Wood#else 90ebf714ff37561331eb39963945d80bfc2a59e00fScott Wood .power_save = e500_idle, 91ebf714ff37561331eb39963945d80bfc2a59e00fScott Wood#endif 9295400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala}; 9395400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 9495400415c7b3f3dd43034c6c860897ac397ebe1bKumar Galamachine_device_initcall(p5020_ds, corenet_ds_publish_devices); 9595400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala 9695400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#ifdef CONFIG_SWIOTLB 9795400415c7b3f3dd43034c6c860897ac397ebe1bKumar Galamachine_arch_initcall(p5020_ds, swiotlb_setup_bus_notifier); 9895400415c7b3f3dd43034c6c860897ac397ebe1bKumar Gala#endif 99