1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * arch/powerpc/platforms/83xx/mpc831x_rdb.c 4 * 5 * Description: MPC831x RDB board specific routines. 6 * This file is based on mpc834x_sys.c 7 * Author: Lo Wlison <r43300@freescale.com> 8 * 9 * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved. 10 */ 11 12 #include <linux/pci.h> 13 #include <linux/of_platform.h> 14 15 #include <asm/time.h> 16 #include <asm/ipic.h> 17 #include <asm/udbg.h> 18 #include <sysdev/fsl_pci.h> 19 20 #include "mpc83xx.h" 21 22 /* 23 * Setup the architecture 24 */ 25 static void __init mpc831x_rdb_setup_arch(void) 26 { 27 mpc83xx_setup_arch(); 28 mpc831x_usb_cfg(); 29 } 30 31 static const char *board[] __initdata = { 32 "MPC8313ERDB", 33 "fsl,mpc8315erdb", 34 NULL 35 }; 36 37 /* 38 * Called very early, MMU is off, device-tree isn't unflattened 39 */ 40 static int __init mpc831x_rdb_probe(void) 41 { 42 return of_device_compatible_match(of_root, board); 43 } 44 45 machine_device_initcall(mpc831x_rdb, mpc83xx_declare_of_platform_devices); 46 47 define_machine(mpc831x_rdb) { 48 .name = "MPC831x RDB", 49 .probe = mpc831x_rdb_probe, 50 .setup_arch = mpc831x_rdb_setup_arch, 51 .discover_phbs = mpc83xx_setup_pci, 52 .init_IRQ = mpc83xx_ipic_init_IRQ, 53 .get_irq = ipic_get_irq, 54 .restart = mpc83xx_restart, 55 .time_init = mpc83xx_time_init, 56 .calibrate_decr = generic_calibrate_decr, 57 .progress = udbg_progress, 58 }; 59