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| author | Inochi Amaoto <inochiama@outlook.com> | 2023-10-20 07:57:18 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-11-16 21:22:27 +0530 |
| commit | 2bfdb9e5c239db4ee39fb5286c6eb0c44641d8da (patch) | |
| tree | 1201db4cd3c24cbd220e54c727ed33800b373c1c /platform | |
| parent | 3b03cdd60ce5f91c4324a301b8cb2943a17b0843 (diff) | |
| download | opensbi-2bfdb9e5c239db4ee39fb5286c6eb0c44641d8da.zip opensbi-2bfdb9e5c239db4ee39fb5286c6eb0c44641d8da.tar.gz opensbi-2bfdb9e5c239db4ee39fb5286c6eb0c44641d8da.tar.bz2 | |
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>
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/generic/Kconfig | 6 | ||||
| -rw-r--r-- | platform/generic/configs/defconfig | 1 | ||||
| -rw-r--r-- | platform/generic/sophgo/objects.mk | 9 | ||||
| -rw-r--r-- | platform/generic/sophgo/sg2042.c | 63 |
4 files changed, 79 insertions, 0 deletions
diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig index f9e7ed2..a902cf3 100644 --- a/platform/generic/Kconfig +++ b/platform/generic/Kconfig @@ -49,6 +49,12 @@ config PLATFORM_SIFIVE_FU740 depends on FDT_RESET && FDT_I2C default n +config PLATFORM_SOPHGO_SG2042 + bool "Sophgo sg2042 support" + select THEAD_C9XX_ERRATA + select THEAD_C9XX_PMU + default n + config PLATFORM_STARFIVE_JH7110 bool "StarFive JH7110 support" default n diff --git a/platform/generic/configs/defconfig b/platform/generic/configs/defconfig index 95bab61..1ce6a12 100644 --- a/platform/generic/configs/defconfig +++ b/platform/generic/configs/defconfig @@ -3,6 +3,7 @@ CONFIG_PLATFORM_ANDES_AE350=y CONFIG_PLATFORM_RENESAS_RZFIVE=y CONFIG_PLATFORM_SIFIVE_FU540=y CONFIG_PLATFORM_SIFIVE_FU740=y +CONFIG_PLATFORM_SOPHGO_SG2042=y CONFIG_PLATFORM_STARFIVE_JH7110=y CONFIG_PLATFORM_THEAD=y CONFIG_FDT_GPIO=y diff --git a/platform/generic/sophgo/objects.mk b/platform/generic/sophgo/objects.mk new file mode 100644 index 0000000..3d2908a --- /dev/null +++ b/platform/generic/sophgo/objects.mk @@ -0,0 +1,9 @@ +# +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com> +# Copyright (C) 2023 Alibaba Group Holding Limited. +# + +carray-platform_override_modules-$(CONFIG_PLATFORM_SOPHGO_SG2042) += sophgo_sg2042 +platform-objs-$(CONFIG_PLATFORM_SOPHGO_SG2042) += sophgo/sg2042.o diff --git a/platform/generic/sophgo/sg2042.c b/platform/generic/sophgo/sg2042.c new file mode 100644 index 0000000..ae2d702 --- /dev/null +++ b/platform/generic/sophgo/sg2042.c @@ -0,0 +1,63 @@ +/* + * 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 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, +}; |