mirror of
https://github.com/riscv-software-src/opensbi
synced 2025-11-04 05:50:22 +00:00
6e5db7b09c
Several of these override functions access the FDT blob. Explicitly indicate which callbacks are allowed to modify the FDT blob by passing the parameter as a possibly-const pointer. This also reduces code size by deduplicating the call to fdt_get_address(). Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Authors:
|
|
* Inochi Amaoto <inochiama@outlook.com>
|
|
*
|
|
*/
|
|
|
|
#include <platform_override.h>
|
|
#include <thead/c9xx_errata.h>
|
|
#include <thead/c9xx_pmu.h>
|
|
#include <sbi/sbi_const.h>
|
|
#include <sbi/sbi_domain.h>
|
|
#include <sbi/sbi_platform.h>
|
|
#include <sbi/sbi_scratch.h>
|
|
#include <sbi/sbi_string.h>
|
|
#include <sbi_utils/fdt/fdt_helper.h>
|
|
#include <sbi_utils/timer/aclint_mtimer.h>
|
|
|
|
#define SOPHGO_SG2042_TIMER_BASE 0x70ac000000ULL
|
|
#define SOPHGO_SG2042_TIMER_SIZE 0x10000UL
|
|
#define SOPHGO_SG2042_TIMER_NUM 16
|
|
|
|
static int sophgo_sg2042_early_init(bool cold_boot, const void *fdt,
|
|
const struct fdt_match *match)
|
|
{
|
|
thead_register_tlb_flush_trap_handler();
|
|
|
|
/*
|
|
* Sophgo sg2042 soc use separate 16 timers while initiating,
|
|
* merge them as a single domain to avoid wasting.
|
|
*/
|
|
if (cold_boot)
|
|
return sbi_domain_root_add_memrange(
|
|
(ulong)SOPHGO_SG2042_TIMER_BASE,
|
|
SOPHGO_SG2042_TIMER_SIZE *
|
|
SOPHGO_SG2042_TIMER_NUM,
|
|
MTIMER_REGION_ALIGN,
|
|
(SBI_DOMAIN_MEMREGION_MMIO |
|
|
SBI_DOMAIN_MEMREGION_M_READABLE |
|
|
SBI_DOMAIN_MEMREGION_M_WRITABLE));
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sophgo_sg2042_extensions_init(const struct fdt_match *match,
|
|
struct sbi_hart_features *hfeatures)
|
|
{
|
|
thead_c9xx_register_pmu_device();
|
|
return 0;
|
|
}
|
|
|
|
static const struct fdt_match sophgo_sg2042_match[] = {
|
|
{ .compatible = "sophgo,sg2042" },
|
|
{ },
|
|
};
|
|
|
|
const struct platform_override sophgo_sg2042 = {
|
|
.match_table = sophgo_sg2042_match,
|
|
.early_init = sophgo_sg2042_early_init,
|
|
.extensions_init = sophgo_sg2042_extensions_init,
|
|
};
|