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| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-01 21:53:36 +0100 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2019-11-10 11:46:10 +0000 |
| commit | 55069d15d8a6dcd7f8eaaf36e85e5d7a53fdaae6 (patch) | |
| tree | 3ce7924b9a242256086daf771e6b2f7327cf9df5 /Documentation/arch | |
| parent | 7f22933e98ec70b31b939b2ab70d6b8715640848 (diff) | |
arch/riscv: Pass cbmem_top to ramstage via calling argument
Tested on the Qemu-Virt target both 32 and 64 bit.
Change-Id: I5c74cd5d3ee292931c5bbd2e4075f88381429f72
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36558
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'Documentation/arch')
| -rw-r--r-- | Documentation/arch/riscv/index.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arch/riscv/index.md b/Documentation/arch/riscv/index.md index ea6a5cd47e..e0d37f591c 100644 --- a/Documentation/arch/riscv/index.md +++ b/Documentation/arch/riscv/index.md @@ -19,6 +19,9 @@ On entry to a stage or payload (including SELF payloads), * all harts are running. * A0 is the hart ID. * A1 is the pointer to the Flattened Device Tree (FDT). +* A2 contains the additional program calling argument: + - cbmem_top for ramstage + - the address of the payload for opensbi ## Additional payload handoff requirements The location of cbmem should be placed in a node in the FDT. |