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sysreset: provide SBI based sysreset driver

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Provide sysreset driver using the SBI system reset extension.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Heinrich Schuchardt
2021-09-12 21:11:46 +02:00
committed by Leo Yu-Chi Liang
parent 09d7cc3369
commit 24ed5317d4
7 changed files with 90 additions and 1 deletions
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12
drivers/sysreset/Kconfig
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@@ -85,6 +85,18 @@ config SYSRESET_PSCI
Enable PSCI SYSTEM_RESET function call. To use this, PSCI firmware
must be running on your system.
config SYSRESET_SBI
bool "Enable support for SBI System Reset"
depends on RISCV_SMODE && SBI_V02
select SYSRESET_CMD_POWEROFF if CMD_POWEROFF
help
Enable system reset and poweroff via the SBI system reset extension.
The extension was introduced in version 0.3 of the SBI specification.
If the SBI implementation provides the extension, is board specific.
The RISC-V platform specification mandates the extension for rich
operating system platforms.
config SYSRESET_SOCFPGA
bool "Enable support for Intel SOCFPGA family"
depends on ARCH_SOCFPGA && (TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10)