forked from Mirrors/opensbi
df1c100001
This allows the compiler to generate significantly better code, because it does not have to maintain either the loop counter or loop limit. Plus there are half as many symbols to relocate. This also simplifies passing carray arrays to helper functions. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
46 lines
972 B
C
46 lines
972 B
C
/*
|
|
* 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_error.h>
|
|
#include <sbi/sbi_scratch.h>
|
|
#include <sbi_utils/fdt/fdt_helper.h>
|
|
#include <sbi_utils/irqchip/fdt_irqchip.h>
|
|
|
|
/* List of FDT irqchip drivers generated at compile time */
|
|
extern struct fdt_irqchip *const fdt_irqchip_drivers[];
|
|
|
|
int fdt_irqchip_init(void)
|
|
{
|
|
int pos, noff, rc;
|
|
struct fdt_irqchip *drv;
|
|
const struct fdt_match *match;
|
|
const void *fdt = fdt_get_address();
|
|
|
|
for (pos = 0; fdt_irqchip_drivers[pos]; pos++) {
|
|
drv = fdt_irqchip_drivers[pos];
|
|
|
|
noff = -1;
|
|
while ((noff = fdt_find_match(fdt, noff,
|
|
drv->match_table, &match)) >= 0) {
|
|
if (!fdt_node_is_enabled(fdt,noff))
|
|
continue;
|
|
|
|
if (drv->cold_init) {
|
|
rc = drv->cold_init(fdt, noff, match);
|
|
if (rc == SBI_ENODEV)
|
|
continue;
|
|
if (rc)
|
|
return rc;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|