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e64f737ad7
Right now the alternatives need to be explicitly enabled and erratas are limited to SiFive ones. We want to use alternatives not only for patching soc erratas, but in the future also for handling different behaviour depending on the existence of future extensions. So move the core alternatives over to the kernel subdirectory and move the CONFIG_RISCV_ALTERNATIVE to be a hidden symbol which we expect relevant erratas and extensions to just select if needed. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Philipp Tomsich <philipp.tomsich@vrull.eu> Link: https://lore.kernel.org/r/20220511192921.2223629-2-heiko@sntech.de Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
84 lines
2.0 KiB
Plaintext
84 lines
2.0 KiB
Plaintext
menu "SoC selection"
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config SOC_MICROCHIP_POLARFIRE
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bool "Microchip PolarFire SoCs"
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select MCHP_CLK_MPFS
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select SIFIVE_PLIC
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help
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This enables support for Microchip PolarFire SoC platforms.
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config SOC_SIFIVE
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bool "SiFive SoCs"
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select SERIAL_SIFIVE if TTY
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select SERIAL_SIFIVE_CONSOLE if TTY
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select CLK_SIFIVE
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select CLK_SIFIVE_PRCI
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select SIFIVE_PLIC
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select ERRATA_SIFIVE if !XIP_KERNEL
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help
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This enables support for SiFive SoC platform hardware.
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config SOC_STARFIVE
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bool "StarFive SoCs"
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select PINCTRL
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select RESET_CONTROLLER
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select SIFIVE_PLIC
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help
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This enables support for StarFive SoC platform hardware.
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config SOC_VIRT
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bool "QEMU Virt Machine"
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select CLINT_TIMER if RISCV_M_MODE
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select POWER_RESET
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select POWER_RESET_SYSCON
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select POWER_RESET_SYSCON_POWEROFF
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select GOLDFISH
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select RTC_DRV_GOLDFISH if RTC_CLASS
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select SIFIVE_PLIC
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select PM_GENERIC_DOMAINS if PM
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select PM_GENERIC_DOMAINS_OF if PM && OF
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select RISCV_SBI_CPUIDLE if CPU_IDLE
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help
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This enables support for QEMU Virt Machine.
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config SOC_CANAAN
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bool "Canaan Kendryte K210 SoC"
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depends on !MMU
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select CLINT_TIMER if RISCV_M_MODE
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select SERIAL_SIFIVE if TTY
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select SERIAL_SIFIVE_CONSOLE if TTY
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select SIFIVE_PLIC
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select ARCH_HAS_RESET_CONTROLLER
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select PINCTRL
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select COMMON_CLK
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select COMMON_CLK_K210
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help
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This enables support for Canaan Kendryte K210 SoC platform hardware.
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if SOC_CANAAN
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config SOC_CANAAN_K210_DTB_BUILTIN
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bool "Builtin device tree for the Canaan Kendryte K210"
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depends on SOC_CANAAN
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default y
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select OF
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select BUILTIN_DTB
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help
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Build a device tree for the Kendryte K210 into the Linux image.
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This option should be selected if no bootloader is being used.
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If unsure, say Y.
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config SOC_CANAAN_K210_DTB_SOURCE
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string "Source file for the Canaan Kendryte K210 builtin DTB"
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depends on SOC_CANAAN
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depends on SOC_CANAAN_K210_DTB_BUILTIN
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default "k210_generic"
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help
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Base name (without suffix, relative to arch/riscv/boot/dts/canaan)
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for the DTS file that will be used to produce the DTB linked into the
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kernel.
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endif
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endmenu
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