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