18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * arch/powerpc/platforms/83xx/mpc834x_itx.c 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * MPC834x ITX board specific routines 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Maintainer: Kumar Gala <galak@kernel.crashing.org> 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#include <linux/stddef.h> 118c2ecf20Sopenharmony_ci#include <linux/kernel.h> 128c2ecf20Sopenharmony_ci#include <linux/init.h> 138c2ecf20Sopenharmony_ci#include <linux/errno.h> 148c2ecf20Sopenharmony_ci#include <linux/reboot.h> 158c2ecf20Sopenharmony_ci#include <linux/pci.h> 168c2ecf20Sopenharmony_ci#include <linux/kdev_t.h> 178c2ecf20Sopenharmony_ci#include <linux/major.h> 188c2ecf20Sopenharmony_ci#include <linux/console.h> 198c2ecf20Sopenharmony_ci#include <linux/delay.h> 208c2ecf20Sopenharmony_ci#include <linux/seq_file.h> 218c2ecf20Sopenharmony_ci#include <linux/root_dev.h> 228c2ecf20Sopenharmony_ci#include <linux/of_platform.h> 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci#include <linux/atomic.h> 258c2ecf20Sopenharmony_ci#include <asm/time.h> 268c2ecf20Sopenharmony_ci#include <asm/io.h> 278c2ecf20Sopenharmony_ci#include <asm/machdep.h> 288c2ecf20Sopenharmony_ci#include <asm/ipic.h> 298c2ecf20Sopenharmony_ci#include <asm/irq.h> 308c2ecf20Sopenharmony_ci#include <asm/prom.h> 318c2ecf20Sopenharmony_ci#include <asm/udbg.h> 328c2ecf20Sopenharmony_ci#include <sysdev/fsl_soc.h> 338c2ecf20Sopenharmony_ci#include <sysdev/fsl_pci.h> 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci#include "mpc83xx.h" 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_cistatic const struct of_device_id mpc834x_itx_ids[] __initconst = { 388c2ecf20Sopenharmony_ci { .compatible = "fsl,pq2pro-localbus", }, 398c2ecf20Sopenharmony_ci {}, 408c2ecf20Sopenharmony_ci}; 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_cistatic int __init mpc834x_itx_declare_of_platform_devices(void) 438c2ecf20Sopenharmony_ci{ 448c2ecf20Sopenharmony_ci mpc83xx_declare_of_platform_devices(); 458c2ecf20Sopenharmony_ci return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL); 468c2ecf20Sopenharmony_ci} 478c2ecf20Sopenharmony_cimachine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices); 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ci/* ************************************************************************ 508c2ecf20Sopenharmony_ci * 518c2ecf20Sopenharmony_ci * Setup the architecture 528c2ecf20Sopenharmony_ci * 538c2ecf20Sopenharmony_ci */ 548c2ecf20Sopenharmony_cistatic void __init mpc834x_itx_setup_arch(void) 558c2ecf20Sopenharmony_ci{ 568c2ecf20Sopenharmony_ci mpc83xx_setup_arch(); 578c2ecf20Sopenharmony_ci 588c2ecf20Sopenharmony_ci mpc834x_usb_cfg(); 598c2ecf20Sopenharmony_ci} 608c2ecf20Sopenharmony_ci 618c2ecf20Sopenharmony_ci/* 628c2ecf20Sopenharmony_ci * Called very early, MMU is off, device-tree isn't unflattened 638c2ecf20Sopenharmony_ci */ 648c2ecf20Sopenharmony_cistatic int __init mpc834x_itx_probe(void) 658c2ecf20Sopenharmony_ci{ 668c2ecf20Sopenharmony_ci return of_machine_is_compatible("MPC834xMITX"); 678c2ecf20Sopenharmony_ci} 688c2ecf20Sopenharmony_ci 698c2ecf20Sopenharmony_cidefine_machine(mpc834x_itx) { 708c2ecf20Sopenharmony_ci .name = "MPC834x ITX", 718c2ecf20Sopenharmony_ci .probe = mpc834x_itx_probe, 728c2ecf20Sopenharmony_ci .setup_arch = mpc834x_itx_setup_arch, 738c2ecf20Sopenharmony_ci .init_IRQ = mpc83xx_ipic_init_IRQ, 748c2ecf20Sopenharmony_ci .get_irq = ipic_get_irq, 758c2ecf20Sopenharmony_ci .restart = mpc83xx_restart, 768c2ecf20Sopenharmony_ci .time_init = mpc83xx_time_init, 778c2ecf20Sopenharmony_ci .calibrate_decr = generic_calibrate_decr, 788c2ecf20Sopenharmony_ci .progress = udbg_progress, 798c2ecf20Sopenharmony_ci}; 80