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
mpc86xx_common_publish_devices(void)21 int __init mpc86xx_common_publish_devices(void)
22 {
23 return of_platform_bus_probe(NULL, mpc86xx_common_ids, NULL);
24 }
25
mpc86xx_time_init(void)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