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
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