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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Authors:
* Inochi Amaoto <[email protected]>
*
*/
#include <platform_override.h>
#include <thead/c9xx_errata.h>
#include <thead/c9xx_pmu.h>
#include <sbi/sbi_const.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_string.h>
#include <sbi_utils/fdt/fdt_helper.h>
struct thead_generic_quirks {
u64 errata;
};
static int thead_tlb_flush_early_init(bool cold_boot)
{
thead_register_tlb_flush_trap_handler();
return generic_early_init(cold_boot);
}
static int thead_pmu_extensions_init(bool cold_boot)
{
int rc;
rc = generic_extensions_init(cold_boot);
if (rc)
return rc;
thead_c9xx_register_pmu_device();
return 0;
}
static int thead_generic_platform_init(const void *fdt, int nodeoff,
const struct fdt_match *match)
{
const struct thead_generic_quirks *quirks = match->data;
if (quirks->errata & THEAD_QUIRK_ERRATA_TLB_FLUSH)
generic_platform_ops.early_init = thead_tlb_flush_early_init;
if (quirks->errata & THEAD_QUIRK_ERRATA_THEAD_PMU)
generic_platform_ops.extensions_init = thead_pmu_extensions_init;
return 0;
}
static const struct thead_generic_quirks thead_th1520_quirks = {
.errata = THEAD_QUIRK_ERRATA_TLB_FLUSH | THEAD_QUIRK_ERRATA_THEAD_PMU,
};
static const struct thead_generic_quirks thead_pmu_quirks = {
.errata = THEAD_QUIRK_ERRATA_THEAD_PMU,
};
static const struct fdt_match thead_generic_match[] = {
{ .compatible = "canaan,kendryte-k230", .data = &thead_pmu_quirks },
{ .compatible = "sophgo,cv1800b", .data = &thead_pmu_quirks },
{ .compatible = "sophgo,cv1812h", .data = &thead_pmu_quirks },
{ .compatible = "sophgo,sg2000", .data = &thead_pmu_quirks },
{ .compatible = "sophgo,sg2002", .data = &thead_pmu_quirks },
{ .compatible = "sophgo,sg2044", .data = &thead_pmu_quirks },
{ .compatible = "thead,th1520", .data = &thead_th1520_quirks },
{ },
};
const struct fdt_driver thead_generic = {
.match_table = thead_generic_match,
.init = thead_generic_platform_init,
};
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