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rpi-wifi-firmware: new package

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Add firmware (NVRAM data) for the Raspberry Pi 3 and Zero W wifi module.

Notice that linux-firmware provides the main firmware
(brcmfmac43430-sdio.bin), but the module also needs board specific
configuration (NVRAM) data.

For the rpi, this data is available in the RPI firmware-nonfree git repo.
As this repo contains a lot of unrelated data (~70MB), simply download the
single NVRAM file instead of cloning the entire repo.

A similar approach is used by openwrt and opensuse:

https://dev.openwrt.org/browser/trunk/package/firmware/brcmfmac43430-firmware/Makefile?rev=49139
https://build.opensuse.org/package/view_file/hardware/bcm43xx-firmware/bcm43xx-firmware.spec?rev=b1628448b36c85abc9215eab4785ef29

[Peter: add _FIRMWARE_LICENSE as suggested by Yann]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2017-05-05 20:37:41 +02:00
parent c2d6c4ac32
commit 5634f40284
4 changed files with 36 additions and 0 deletions
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1
package/Config.in
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@ -348,6 +348,7 @@ menu "Firmware"
source "package/linux-firmware/Config.in"
source "package/rpi-bt-firmware/Config.in"
source "package/rpi-firmware/Config.in"
source "package/rpi-wifi-firmware/Config.in"
source "package/sunxi-boards/Config.in"
source "package/ts4900-fpga/Config.in"
source "package/ux500-firmware/Config.in"

10
package/rpi-wifi-firmware/Config.in Normal file
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@ -0,0 +1,10 @@
config BR2_PACKAGE_RPI_WIFI_FIRMWARE
bool "rpi-wifi-firmware"
depends on BR2_arm || BR2_aarch64
select BR2_PACKAGE_LINUX_FIRMWARE
select BR2_PACKAGE_LINUX_FIRMWARE_BRCM_BCM43XXX # runtime
help
Raspberry Pi 3 and Zero W Broadcom BCM43430 wifi module
NVRAM data.
https://github.com/RPi-Distro/firmware-nonfree/

2
package/rpi-wifi-firmware/rpi-wifi-firmware.hash Normal file
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@ -0,0 +1,2 @@
# Locally calculated
sha256 872fde4f9942d9aba805880d6eaddfe050305626fd58ad955bfe77c04f6b75a5 brcmfmac43430-sdio.txt

23
package/rpi-wifi-firmware/rpi-wifi-firmware.mk Normal file
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@ -0,0 +1,23 @@
################################################################################
#
# rpi-wifi-firmware
#
################################################################################
RPI_WIFI_FIRMWARE_VERSION = 54bab3d6a6d43239c71d26464e6e10e5067ffea7
# brcmfmac43430-sdio.bin comes from linux-firmware
RPI_WIFI_FIRMWARE_SOURCE = brcmfmac43430-sdio.txt
# git repo contains a lot of unrelated files
RPI_WIFI_FIRMWARE_SITE = https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/$(RPI_WIFI_FIRMWARE_VERSION)/brcm80211/brcm
RPI_WIFI_FIRMWARE_LICENSE = PROPRIETARY
define RPI_WIFI_FIRMWARE_EXTRACT_CMDS
cp $(DL_DIR)/$($(PKG)_SOURCE) $(@D)/
endef
define RPI_WIFI_FIRMWARE_INSTALL_TARGET_CMDS
$(INSTALL) -D -m 0644 $(@D)/$(RPI_WIFI_FIRMWARE_SOURCE) \
$(TARGET_DIR)/lib/firmware/brcm/$(RPI_WIFI_FIRMWARE_SOURCE)
endef
$(eval $(generic-package))