original_kernel/arch/powerpc/platforms/86xx/common.c

44 lines
861 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Routines common to most mpc86xx-based boards.
*/
#include <linux/init.h>
#include <linux/mod_devicetable.h>
#include <linux/of_platform.h>
#include <asm/reg.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;
}