RISC-V: CONFIG_SPL_OPENSBI_SCRATCH_OPTIONS description
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>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 865571d..bee231b 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -1461,8 +1461,10 @@
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'"