diff --git a/platform/generic/Kconfig b/platform/generic/Kconfig index 62c7a2d80..47c10e53a 100644 --- a/platform/generic/Kconfig +++ b/platform/generic/Kconfig @@ -45,4 +45,8 @@ config PLATFORM_SIFIVE_FU740 depends on FDT_RESET && FDT_I2C default n +config PLATFORM_STARFIVE_JH7110 + bool "StarFive JH7110 support" + default n + endif diff --git a/platform/generic/configs/defconfig b/platform/generic/configs/defconfig index 47fca950c..4b0842e03 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_STARFIVE_JH7110=y CONFIG_FDT_GPIO=y CONFIG_FDT_GPIO_SIFIVE=y CONFIG_FDT_I2C=y diff --git a/platform/generic/starfive/jh7110.c b/platform/generic/starfive/jh7110.c new file mode 100644 index 000000000..c665658ac --- /dev/null +++ b/platform/generic/starfive/jh7110.c @@ -0,0 +1,47 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 StarFive + * + * Authors: + * Wei Liang Lim + */ + +#include +#include +#include + +static u32 selected_hartid = -1; + +static bool starfive_jh7110_cold_boot_allowed(u32 hartid, + const struct fdt_match *match) +{ + if (selected_hartid != -1) + return (selected_hartid == hartid); + + return true; +} + +static void starfive_jh7110_fw_init(void *fdt, const struct fdt_match *match) +{ + const fdt32_t *val; + int len, coff; + + coff = fdt_path_offset(fdt, "/chosen"); + if (-1 < coff) { + val = fdt_getprop(fdt, coff, "starfive,boot-hart-id", &len); + if (val && len >= sizeof(fdt32_t)) + selected_hartid = (u32) fdt32_to_cpu(*val); + } +} + +static const struct fdt_match starfive_jh7110_match[] = { + { .compatible = "starfive,jh7110" }, + { }, +}; + +const struct platform_override starfive_jh7110 = { + .match_table = starfive_jh7110_match, + .cold_boot_allowed = starfive_jh7110_cold_boot_allowed, + .fw_init = starfive_jh7110_fw_init, +}; diff --git a/platform/generic/starfive/objects.mk b/platform/generic/starfive/objects.mk new file mode 100644 index 000000000..0b900fb6f --- /dev/null +++ b/platform/generic/starfive/objects.mk @@ -0,0 +1,6 @@ +# +# SPDX-License-Identifier: BSD-2-Clause +# + +carray-platform_override_modules-$(CONFIG_PLATFORM_STARFIVE_JH7110) += starfive_jh7110 +platform-objs-$(CONFIG_PLATFORM_STARFIVE_JH7110) += starfive/jh7110.o