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platform: generic: Add Sophgo sg2042 platform support
Add Sophgo sg2042 soc support Signed-off-by: Inochi Amaoto <inochiama@outlook.com> Reviewed-by: Guo Ren <guoren@kernel.org> Reviewed-by: Anup Patel <anup@brainfault.org>
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4 changed files with 79 additions and 0 deletions
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@ -49,6 +49,12 @@ config PLATFORM_SIFIVE_FU740
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depends on FDT_RESET && FDT_I2C
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default n
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config PLATFORM_SOPHGO_SG2042
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bool "Sophgo sg2042 support"
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select THEAD_C9XX_ERRATA
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select THEAD_C9XX_PMU
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default n
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config PLATFORM_STARFIVE_JH7110
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bool "StarFive JH7110 support"
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default n
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@ -3,6 +3,7 @@ CONFIG_PLATFORM_ANDES_AE350=y
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CONFIG_PLATFORM_RENESAS_RZFIVE=y
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CONFIG_PLATFORM_SIFIVE_FU540=y
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CONFIG_PLATFORM_SIFIVE_FU740=y
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CONFIG_PLATFORM_SOPHGO_SG2042=y
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CONFIG_PLATFORM_STARFIVE_JH7110=y
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CONFIG_PLATFORM_THEAD=y
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CONFIG_FDT_GPIO=y
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9
platform/generic/sophgo/objects.mk
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9
platform/generic/sophgo/objects.mk
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@ -0,0 +1,9 @@
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
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# Copyright (C) 2023 Alibaba Group Holding Limited.
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#
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carray-platform_override_modules-$(CONFIG_PLATFORM_SOPHGO_SG2042) += sophgo_sg2042
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platform-objs-$(CONFIG_PLATFORM_SOPHGO_SG2042) += sophgo/sg2042.o
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63
platform/generic/sophgo/sg2042.c
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63
platform/generic/sophgo/sg2042.c
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@ -0,0 +1,63 @@
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Authors:
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* Inochi Amaoto <inochiama@outlook.com>
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*
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*/
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#include <platform_override.h>
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#include <thead/c9xx_errata.h>
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#include <thead/c9xx_pmu.h>
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#include <sbi/sbi_const.h>
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#include <sbi/sbi_domain.h>
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#include <sbi/sbi_platform.h>
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#include <sbi/sbi_scratch.h>
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#include <sbi/sbi_string.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/timer/aclint_mtimer.h>
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#define SOPHGO_SG2042_TIMER_BASE 0x70ac000000ULL
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#define SOPHGO_SG2042_TIMER_SIZE 0x10000UL
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#define SOPHGO_SG2042_TIMER_NUM 16
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static int sophgo_sg2042_early_init(bool cold_boot,
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const struct fdt_match *match)
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{
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thead_register_tlb_flush_trap_handler();
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/*
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* Sophgo sg2042 soc use separate 16 timers while initiating,
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* merge them as a single domain to avoid wasting.
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*/
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if (cold_boot)
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return sbi_domain_root_add_memrange(
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(ulong)SOPHGO_SG2042_TIMER_BASE,
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SOPHGO_SG2042_TIMER_SIZE *
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SOPHGO_SG2042_TIMER_NUM,
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MTIMER_REGION_ALIGN,
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(SBI_DOMAIN_MEMREGION_MMIO |
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SBI_DOMAIN_MEMREGION_M_READABLE |
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SBI_DOMAIN_MEMREGION_M_WRITABLE));
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return 0;
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}
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static int sophgo_sg2042_extensions_init(const struct fdt_match *match,
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struct sbi_hart_features *hfeatures)
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{
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thead_c9xx_register_pmu_device();
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return 0;
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}
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static const struct fdt_match sophgo_sg2042_match[] = {
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{ .compatible = "sophgo,sg2042" },
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{ },
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};
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const struct platform_override sophgo_sg2042 = {
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.match_table = sophgo_sg2042_match,
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.early_init = sophgo_sg2042_early_init,
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.extensions_init = sophgo_sg2042_extensions_init,
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};
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