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/Makefile b/fs/Makefile
index 2ed4aeac0e5665df07545cd97c448520ddde59ac..42e669c40c7865fbfbac13051b30f1f8570fa8f6 100644 (file)
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -8,6 +8,7 @@ ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_FS_LOADER) += fs.o
 obj-$(CONFIG_SPL_FS_FAT) += fat/
 obj-$(CONFIG_SPL_FS_EXT4) += ext4/
+obj-$(CONFIG_SPL_FS_CBFS) += cbfs/
 else
 obj-y                          += fs.o
 

diff --git a/fs/cbfs/Kconfig b/fs/cbfs/Kconfig
index 16089547a51c5dd49565ebda28622a693a33cb1b..03980d830d304487c12f5abecdbf913c309b71be 100644 (file)
--- a/fs/cbfs/Kconfig
+++ b/fs/cbfs/Kconfig
@@ -6,3 +6,15 @@ config FS_CBFS
          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.