[RFC PATCH 1/3] platform: sifive: Add initial support for SiFive development platform

[Anup Patel]

On Tue, Feb 24, 2026 at 8:47 AM Yu-Chien Peter Lin <peter.lin at sifive.com> wrote:
>
> Add initial platform support for SiFive development platforms
> with the "sifive-dev" compatible string.
>
> Reviewed-by: Greentime Hu <greentime.hu at sifive.com>
> Reviewed-by: Zong Li <zong.li at sifive.com>
> Signed-off-by: Yu-Chien Peter Lin <peter.lin at sifive.com>

Applied this patch to the riscv/opensbi repo.

Thanks,
Anup


> ---
>  platform/generic/Kconfig                      |  4 ++++
>  platform/generic/configs/defconfig            |  1 +
>  platform/generic/sifive/objects.mk            |  3 +++
>  platform/generic/sifive/sifive_dev_platform.c | 23 +++++++++++++++++++
>  4 files changed, 31 insertions(+)
>  create mode 100644 platform/generic/sifive/sifive_dev_platform.c
>
> diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig
> index 0c11fbd2c..eaa972b73 100644
> --- a/platform/generic/Kconfig
> +++ b/platform/generic/Kconfig
> @@ -66,6 +66,10 @@ config PLATFORM_RENESAS_RZFIVE
>         select ANDES_PMU
>         default n
>
> +config PLATFORM_SIFIVE_DEV
> +       bool "SiFive development platform support"
> +       default n
> +
>  config PLATFORM_SIFIVE_FU540
>         bool "SiFive FU540 support"
>         default n
> diff --git a/platform/generic/configs/defconfig b/platform/generic/configs/defconfig
> index 19a73a247..347ca56d9 100644
> --- a/platform/generic/configs/defconfig
> +++ b/platform/generic/configs/defconfig
> @@ -5,6 +5,7 @@ CONFIG_PLATFORM_ESWIN_EIC770X=y
>  CONFIG_PLATFORM_OPENHWGROUP_ARIANE=y
>  CONFIG_PLATFORM_OPENHWGROUP_OPENPITON=y
>  CONFIG_PLATFORM_RENESAS_RZFIVE=y
> +CONFIG_PLATFORM_SIFIVE_DEV=y
>  CONFIG_PLATFORM_SIFIVE_FU540=y
>  CONFIG_PLATFORM_SIFIVE_FU740=y
>  CONFIG_PLATFORM_SOPHGO_SG2042=y
> diff --git a/platform/generic/sifive/objects.mk b/platform/generic/sifive/objects.mk
> index d75e444ab..d32e1273d 100644
> --- a/platform/generic/sifive/objects.mk
> +++ b/platform/generic/sifive/objects.mk
> @@ -2,6 +2,9 @@
>  # SPDX-License-Identifier: BSD-2-Clause
>  #
>
> +carray-platform_override_modules-$(CONFIG_PLATFORM_SIFIVE_DEV) += sifive_dev_platform
> +platform-objs-$(CONFIG_PLATFORM_SIFIVE_DEV) += sifive/sifive_dev_platform.o
> +
>  carray-platform_override_modules-$(CONFIG_PLATFORM_SIFIVE_FU540) += sifive_fu540
>  platform-objs-$(CONFIG_PLATFORM_SIFIVE_FU540) += sifive/fu540.o
>
> diff --git a/platform/generic/sifive/sifive_dev_platform.c b/platform/generic/sifive/sifive_dev_platform.c
> new file mode 100644
> index 000000000..facc044f1
> --- /dev/null
> +++ b/platform/generic/sifive/sifive_dev_platform.c
> @@ -0,0 +1,23 @@
> +/*
> + * SPDX-License-Identifier: BSD-2-Clause
> + *
> + * Copyright (c) 2026 SiFive Inc.
> + */
> +
> +#include <platform_override.h>
> +
> +static int sifive_platform_init(const void *fdt, int nodeoff,
> +                               const struct fdt_match *match)
> +{
> +       return 0;
> +}
> +
> +static const struct fdt_match sifive_dev_platform_match[] = {
> +       { .compatible = "sifive-dev" },
> +       { },
> +};
> +
> +const struct fdt_driver sifive_dev_platform = {
> +       .match_table = sifive_dev_platform_match,
> +       .init = sifive_platform_init,
> +};
> --
> 2.43.7
>
>
> --
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