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