forked from Mirrors/opensbi
99b01ab610
Now that driver lifecycle is managed from within the SBI timer core, platforms need only to initialize the driver once during cold init. Remove the remaining platform hooks that are no longer used. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#include <sbi/sbi_error.h>
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#include <sbi/sbi_scratch.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/timer/fdt_timer.h>
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/* List of FDT timer drivers generated at compile time */
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extern struct fdt_timer *fdt_timer_drivers[];
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extern unsigned long fdt_timer_drivers_size;
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int fdt_timer_init(void)
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{
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int pos, noff, rc;
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struct fdt_timer *drv;
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const struct fdt_match *match;
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const void *fdt = fdt_get_address();
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for (pos = 0; pos < fdt_timer_drivers_size; pos++) {
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drv = fdt_timer_drivers[pos];
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noff = -1;
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while ((noff = fdt_find_match(fdt, noff,
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drv->match_table, &match)) >= 0) {
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if (!fdt_node_is_enabled(fdt, noff))
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continue;
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/* drv->cold_init must not be NULL */
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if (drv->cold_init == NULL)
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return SBI_EFAIL;
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rc = drv->cold_init(fdt, noff, match);
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if (rc == SBI_ENODEV)
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continue;
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if (rc)
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return rc;
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/*
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* We will have multiple timer devices on multi-die or
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* multi-socket systems so we cannot break here.
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*/
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}
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}
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/*
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* We can't fail here since systems with Sstc might not provide
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* mtimer/clint DT node in the device tree.
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*/
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return 0;
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}
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