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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
* Nick Kossifidis <mick@ics.forth.gr>
*/
#include <sbi/sbi_bitops.h>
#include <sbi/sbi_hart.h>
#include <sbi/sbi_hsm.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_system.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_init.h>
int sbi_system_early_init(struct sbi_scratch *scratch, bool cold_boot)
{
return sbi_platform_early_init(sbi_platform_ptr(scratch), cold_boot);
}
int sbi_system_final_init(struct sbi_scratch *scratch, bool cold_boot)
{
return sbi_platform_final_init(sbi_platform_ptr(scratch), cold_boot);
}
void sbi_system_early_exit(struct sbi_scratch *scratch)
{
sbi_platform_early_exit(sbi_platform_ptr(scratch));
}
void sbi_system_final_exit(struct sbi_scratch *scratch)
{
sbi_platform_final_exit(sbi_platform_ptr(scratch));
}
void __noreturn sbi_system_reboot(struct sbi_scratch *scratch, u32 type)
{
u32 current_hartid_mask = 1UL << sbi_current_hartid();
/* Send HALT IPI to every hart other than the current hart */
sbi_ipi_send_halt(scratch,
sbi_hart_available_mask() & ~current_hartid_mask, 0);
sbi_hsm_hart_stop(scratch, FALSE);
/* Platform specific reooot */
sbi_platform_system_reboot(sbi_platform_ptr(scratch), type);
/* If platform specific reboot did not work then do sbi_exit() */
sbi_exit(scratch);
}
void __noreturn sbi_system_shutdown(struct sbi_scratch *scratch, u32 type)
{
u32 current_hartid_mask = 1UL << sbi_current_hartid();
/* Send HALT IPI to every hart other than the current hart */
sbi_ipi_send_halt(scratch,
sbi_hart_available_mask() & ~current_hartid_mask, 0);
sbi_hsm_hart_stop(scratch, FALSE);
/* Platform specific shutdown */
sbi_platform_system_shutdown(sbi_platform_ptr(scratch), type);
/* If platform specific shutdown did not work then do sbi_exit() */
sbi_exit(scratch);
}
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