tegrakernel/kernel/kernel-4.9/arch/powerpc/platforms/86xx/common.c

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2022-02-16 09:13:02 -06:00
/*
* Routines common to most mpc86xx-based boards.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/of_platform.h>
#include <asm/synch.h>
#include "mpc86xx.h"
static const struct of_device_id mpc86xx_common_ids[] __initconst = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
{ .name = "localbus", },
{ .compatible = "gianfar", },
{ .compatible = "fsl,mpc8641-pcie", },
{},
};
int __init mpc86xx_common_publish_devices(void)
{
return of_platform_bus_probe(NULL, mpc86xx_common_ids, NULL);
}
long __init mpc86xx_time_init(void)
{
unsigned int temp;
/* Set the time base to zero */
mtspr(SPRN_TBWL, 0);
mtspr(SPRN_TBWU, 0);
temp = mfspr(SPRN_HID0);
temp |= HID0_TBEN;
mtspr(SPRN_HID0, temp);
isync();
return 0;
}