1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Routines common to most mpc86xx-based boards. 4 */ 5 6#include <linux/init.h> 7#include <linux/mod_devicetable.h> 8#include <linux/of_platform.h> 9#include <asm/reg.h> 10#include <asm/synch.h> 11 12#include "mpc86xx.h" 13 14static const struct of_device_id mpc86xx_common_ids[] __initconst = { 15 { .type = "soc", }, 16 { .compatible = "soc", }, 17 { .compatible = "simple-bus", }, 18 { .name = "localbus", }, 19 { .compatible = "gianfar", }, 20 { .compatible = "fsl,mpc8641-pcie", }, 21 {}, 22}; 23 24int __init mpc86xx_common_publish_devices(void) 25{ 26 return of_platform_bus_probe(NULL, mpc86xx_common_ids, NULL); 27} 28 29long __init mpc86xx_time_init(void) 30{ 31 unsigned int temp; 32 33 /* Set the time base to zero */ 34 mtspr(SPRN_TBWL, 0); 35 mtspr(SPRN_TBWU, 0); 36 37 temp = mfspr(SPRN_HID0); 38 temp |= HID0_TBEN; 39 mtspr(SPRN_HID0, temp); 40 isync(); 41 42 return 0; 43} 44