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Add rpi-eeprom firmware (#939)

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* Add 2020-10-28 beta EEPROM

This improves boot from USB and speeds up boot times.
also includes sd card v1 boot reliability.
see https://github.com/raspberrypi/rpi-eeprom/pull/246

Also add HDMI_DELAY=0 so HDMI display is always visible
for easier debugging.
This commit is contained in:
Aman Gupta Karmani
2020-11-25 15:33:48 -08:00
committed by GitHub
parent 1a6dcbbf5b
commit 1fa53bc3dc
6 changed files with 37 additions and 0 deletions
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6
buildroot-external/package/rpi-eeprom/Config.in Normal file
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config BR2_PACKAGE_RPI_EEPROM
bool "rpi-eeprom"
help
EEPROM bootloader firmware for Raspberry Pi 4
https://github.com/raspberrypi/rpi-eeprom

26
buildroot-external/package/rpi-eeprom/rpi-eeprom.mk Normal file
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#############################################################
#
# rpi-eeprom
#
#############################################################
RPI_EEPROM_VERSION = 16bb29427f96dc8276a7102c0526154a1084bffd
RPI_EEPROM_SITE = $(call github,raspberrypi,rpi-eeprom,$(RPI_EEPROM_VERSION))
RPI_EEPROM_LICENSE = BSD-3-Clause
RPI_EEPROM_LICENSE_FILES = LICENSE
RPI_EEPROM_INSTALL_IMAGES = YES
RPI_EEPROM_FIRMWARE_PATH = firmware/beta/pieeprom-2020-10-28.bin
define RPI_EEPROM_BUILD_CMDS
$(@D)/rpi-eeprom-config $(@D)/$(RPI_EEPROM_FIRMWARE_PATH) --out $(@D)/default.conf
(cat $(@D)/default.conf | grep -v ^$$; echo HDMI_DELAY=0) > $(@D)/boot.conf
$(@D)/rpi-eeprom-config $(@D)/$(RPI_EEPROM_FIRMWARE_PATH) --config $(@D)/boot.conf --out $(@D)/pieeprom.upd
sha256sum $(@D)/pieeprom.upd | awk '{ print $$1 }' > $(@D)/pieeprom.sig
echo "ts: $$(date -u +%s)" >> $(@D)/pieeprom.sig
endef
define RPI_EEPROM_INSTALL_IMAGES_CMDS
$(INSTALL) -D -m 0644 $(@D)/pieeprom.sig $(BINARIES_DIR)/rpi-eeprom/pieeprom.sig
$(INSTALL) -D -m 0644 $(@D)/pieeprom.upd $(BINARIES_DIR)/rpi-eeprom/pieeprom.upd
endef
$(eval $(generic-package))