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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi/sbi_console.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_scratch.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/reset/fdt_reset.h>
/* List of FDT reset drivers generated at compile time */
extern struct fdt_reset *fdt_reset_drivers[];
extern unsigned long fdt_reset_drivers_size;
int fdt_reset_driver_init(void *fdt, struct fdt_reset *drv)
{
int noff, rc = SBI_ENODEV;
const struct fdt_match *match;
noff = -1;
while ((noff = fdt_find_match(fdt, noff,
drv->match_table, &match)) >= 0) {
if (!fdt_node_is_enabled(fdt, noff))
continue;
if (drv->init) {
rc = drv->init(fdt, noff, match);
if (rc && rc != SBI_ENODEV) {
sbi_printf("%s: %s init failed, %d\n",
__func__, match->compatible, rc);
}
}
return rc;
}
return SBI_ENODEV;
}
void fdt_reset_init(void)
{
int pos;
void *fdt = fdt_get_address();
for (pos = 0; pos < fdt_reset_drivers_size; pos++)
fdt_reset_driver_init(fdt, fdt_reset_drivers[pos]);
}
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