cbfs: Allow CBFS to be used in SPL
Add a new Kconfig option to enable CBFS in SPL. This can be useful when
the memory-init code is in CBFS.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/fs/cbfs/Kconfig b/fs/cbfs/Kconfig
index 1608954..03980d8 100644
--- a/fs/cbfs/Kconfig
+++ b/fs/cbfs/Kconfig
@@ -6,3 +6,15 @@
on systems that use coreboot as the first boot-loader and then load
U-Boot to actually boot the Operating System. You can also enable
CMD_CBFS to get command-line access.
+
+config SPL_FS_CBFS
+ bool "Enable CBFS (Coreboot Filesystem) in SPL"
+ help
+ Define this to enable support for reading from a Coreboot
+ filesystem. This is a ROM-based filesystem used for accessing files
+ on systems that use coreboot as the first boot-loader and then load
+ U-Boot to actually boot the Operating System.
+
+ Note that most functions in the CBFS API do not work with SPL. Only
+ those which accept a cbfs_priv * can be used, since BSS is not
+ available.