[yocto] [PATCH 3/3] fri2: Add grub-efi workaround for USB keyboard initialization

Darren Hart dvhart at linux.intel.com
Tue Oct 23 21:31:17 PDT 2012


The Fastboot firmware will sometimes fail to init the USB keyboard when
connected directly in 1.0 mode (works fine through a 2.0 hub). By adding
the USB modules to the grub-efi build, we can ensure the keyboard will
be available in the grub menu at the expense of about a second in boot
time.

Signed-off-by: Darren Hart <dvhart at linux.intel.com>
---
 .../recipes-bsp/grub/grub-efi-native_2.00.bbappend |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
 create mode 100644 meta-fri2/recipes-bsp/grub/grub-efi-native_2.00.bbappend

diff --git a/meta-fri2/recipes-bsp/grub/grub-efi-native_2.00.bbappend b/meta-fri2/recipes-bsp/grub/grub-efi-native_2.00.bbappend
new file mode 100644
index 0000000..c6904ef
--- /dev/null
+++ b/meta-fri2/recipes-bsp/grub/grub-efi-native_2.00.bbappend
@@ -0,0 +1,11 @@
+# The Intel provided Fast Boot Firmware may not initialize the USB keyboard
+# before launching the grub.efi payload. Ensure GRUB has keyboard control by
+# building in the usb, usb_keyboard, and ohci modules.
+
+do_mkimage() {
+	./grub-mkimage -p /EFI/BOOT -d ./grub-core/ \
+	               -O ${GRUB_TARGET}-efi -o ./${GRUB_IMAGE} \
+	               boot linux ext2 fat serial part_msdos part_gpt normal efi_gop \
+	               usb usb_keyboard ohci
+}
+
-- 
1.7.5.4




More information about the yocto mailing list