diff options
| author | Maximilian Brune <maximilian.brune@9elements.com> | 2024-01-14 09:20:17 +0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-02-07 12:17:47 +0000 |
| commit | a122041be15baf7e212c4b9dee63f6b0a9cf1edb (patch) | |
| tree | 73c2b52818d28b9d20da6ca3f0509d3541fb30e0 /src/arch | |
| parent | f6a7809de8ea8f13ed3641ed14e9ed2a889a17d2 (diff) | |
arch/riscv: Add OPENSBI_FW_DYNAMIC_BOOT_HART option
This adds another option to tell OpenSBI which hart to use for booting.
Test: Start hifive-unmatched board and see that Hart 1 (instead of 0) is
used for running OpenSBI.
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: Id58bd6ae3b55a5ef3f1a5c97dfa07c79aa4c78d0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79948
Reviewed-by: Philipp Hug <philipp@hug.cx>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/riscv/Kconfig | 10 | ||||
| -rw-r--r-- | src/arch/riscv/opensbi.c | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/riscv/Kconfig b/src/arch/riscv/Kconfig index 2578b1250c..e4668049f5 100644 --- a/src/arch/riscv/Kconfig +++ b/src/arch/riscv/Kconfig @@ -66,6 +66,16 @@ config OPENSBI_TEXT_START help The linking address used to build opensbi. +config OPENSBI_FW_DYNAMIC_BOOT_HART + int + default RISCV_WORKING_HARTID + help + This specifies the hart that OpenSBI will use to boot the payload. If set to + value -1, OpenSBI will use a 'lottery' scheme to figure it out itself. + This hart must be able to execute in the Supervisor priviledged mode, since + that is the mode usually used for the payload. If the hart does not support + Supervisor mode OpenSBI will again look for a hart that does support it. + config ARCH_RISCV_U # U (user) mode is for programs. bool diff --git a/src/arch/riscv/opensbi.c b/src/arch/riscv/opensbi.c index 48f0f2a9cd..bf26b2279e 100644 --- a/src/arch/riscv/opensbi.c +++ b/src/arch/riscv/opensbi.c @@ -20,6 +20,8 @@ void run_opensbi(const int hart_id, .version = FW_DYNAMIC_INFO_VERSION_MAX, .next_mode = payload_mode, .next_addr = (uintptr_t)payload, + .options = 0, + .boot_hart = CONFIG_OPENSBI_FW_DYNAMIC_BOOT_HART, }; csr_write(mepc, opensbi); |