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RISC-V: CONFIG_SPL_OPENSBI_SCRATCH_OPTIONS description

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Describe which numeric values can be used for as scratch options for
OpenSBI.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Heinrich Schuchardt 2023-07-04 02:14:21 +02:00 committed by Leo Yu-Chi Liang
parent 422fc299df
commit 9eb0fc24c9
1 changed files with 4 additions and 2 deletions
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6
common/spl/Kconfig
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@ -1461,8 +1461,10 @@ config SPL_OPENSBI_SCRATCH_OPTIONS
default 0x1
depends on SPL_OPENSBI
help
Options passed to fw_dynamic, for example SBI_SCRATCH_NO_BOOT_PRINTS or
SBI_SCRATCH_DEBUG_PRINTS.
This bitmap of options is passed from U-Boot SPL to OpenSBI.
As of OpenSBI 1.3 the following bits are defined:
- SBI_SCRATCH_NO_BOOT_PRINTS = 0x1 (Disable prints during boot)
- SBI_SCRATCH_DEBUG_PRINTS = 0x2 (Enable runtime debug prints)
config SPL_TARGET
string "Addtional build targets for 'make'"