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 
14 static 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 
24 int __init mpc86xx_common_publish_devices(void)
25 {
26 	return of_platform_bus_probe(NULL, mpc86xx_common_ids, NULL);
27 }
28 
29 long __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