Chromebook C201 (codename veyron_speedy) support

This introduces Libreboot support for the Asus Chromebook C201 (codename
veyron_speedy). At this point, this produces a standalone Libreboot image that
can be flashed to the RO Coreboot partition of the SPI flash, as well as the
Libreboot version that can be flash to the RO Firmware ID partition.

Libreboot on the Chromebook C201 uses the depthcharge bootloader, modified to
display text messages instead of ChromeOS bitmaps (that encourage the use of
ChromeOS).

For convenience, an installation script, chromebook-flash-replace, is provided
along with a description of the flash layout, to ease the replacement of the
Coreboot and RO Firmware ID partitions on the full SPI flash image.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 54 insertions, 0 deletions

diff --git a/resources/libreboot/patch/vboot/0007-firmware-Localization-keys-removal.patch b/resources/libreboot/patch/vboot/0007-firmware-Localization-keys-removal.patch
new file mode 100644
index 0000000..ca0e684
--- /dev/null
+++ b/resources/libreboot/patch/vboot/0007-firmware-Localization-keys-removal.patch
@@ -0,0 +1,54 @@
+From 982044d150604b74e2bb619ca00042430dd0b73d Mon Sep 17 00:00:00 2001
+From: Paul Kocialkowski <contact@paulk.fr>
+Date: Tue, 11 Aug 2015 00:07:18 +0200
+Subject: [PATCH 7/7] firmware: Localization keys removal
+
+Since we're using a text-based interface, binding the arrow keys to localization
+changes has no effect and only makes the screen flicker.
+
+Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
+---
+ firmware/lib/vboot_api_kernel.c | 6 ------
+ 1 file changed, 6 deletions(-)
+
+diff --git a/firmware/lib/vboot_api_kernel.c b/firmware/lib/vboot_api_kernel.c
+index 2f33258..a5d2f03 100644
+--- a/firmware/lib/vboot_api_kernel.c
++++ b/firmware/lib/vboot_api_kernel.c
+@@ -229,7 +229,6 @@ int VbUserConfirms(VbCommonParams *cparams, uint32_t confirm_flags)
+ 					return 1;
+ 				}
+ 			}
+-			VbCheckDisplayKey(cparams, key, &vnc);
+ 		}
+ 		VbExSleepMs(CONFIRM_KEY_DELAY);
+ 	}
+@@ -455,7 +454,6 @@ developer_mode_screen:
+ 			break;
+ 		default:
+ 			VBDEBUG(("VbBootDeveloper() - pressed key %d\n", key));
+-			VbCheckDisplayKey(cparams, key, &vnc);
+ 			break;
+ 		}
+ 	} while(hold || VbAudioLooping(audio));
+@@ -539,8 +537,6 @@ VbError_t VbBootRecovery(VbCommonParams *cparams, LoadKernelParams *p)
+ 			 * platforms don't like to scan USB too rapidly.
+ 			 */
+ 			for (i = 0; i < REC_DISK_DELAY; i += REC_KEY_DELAY) {
+-				VbCheckDisplayKey(cparams, VbExKeyboardRead(),
+-						  &vnc);
+ 				if (VbWantShutdown(cparams->gbb->flags))
+ 					return VBERROR_SHUTDOWN_REQUESTED;
+ 				VbExSleepMs(REC_KEY_DELAY);
+@@ -638,8 +634,6 @@ VbError_t VbBootRecovery(VbCommonParams *cparams, LoadKernelParams *p)
+ 					i = 4;
+ 					break;
+ 				}
+-			} else {
+-				VbCheckDisplayKey(cparams, key, &vnc);
+ 			}
+ 			if (VbWantShutdown(cparams->gbb->flags))
+ 				return VBERROR_SHUTDOWN_REQUESTED;
+-- 
+1.9.1
+