Add brcm43430-firmware-20190812.ebuild

Fixes WiFi regression on RPi4; see e.g.
raspberrypi/linux#3032 (comment)

Thanks to @agherzan

sys-firmware/brcm43430-firmware/brcm43430-firmware-20190812.ebuild

@@ -0,0 +1,32 @@
+# Copyright (c) 2017-19 sakaki <[email protected]>
+# License: GPL v3+
+# NO WARRANTY
+
+EAPI=6
+
+KEYWORDS="~arm ~arm64"
+
+DESCRIPTION="Configuration file required for integrated WiFi on RPi3/4"
+HOMEPAGE="https://github.com/RPi-Distro/firmware-nonfree"
+SRC_URI=""
+LICENSE="Broadcom"
+SLOT="0"
+IUSE=""
+RESTRICT="mirror"
+
+# required by Portage, as we have no SRC_URI...
+S="${WORKDIR}"
+
+DEPEND=""
+RDEPEND="${DEPEND}
+	>=sys-kernel/linux-firmware-20190726-r2"
+
+# We just bundle the config in files/, since otherwise we'd have to download
+# the whole firmware git archive to install...
+src_install() {
+	insinto "/lib/firmware/brcm"
+	newins "${FILESDIR}/brcmfmac43430-sdio.txt-${PV}" brcmfmac43430-sdio.txt
+	newins "${FILESDIR}/brcmfmac43430-sdio.raspberrypi-rpi.txt-${PV}" brcmfmac43430-sdio.raspberrypi-rpi.txt
+	newins "${FILESDIR}/brcmfmac43455-sdio.txt-${PV}" brcmfmac43455-sdio.txt
+	newins "${FILESDIR}/brcmfmac43455-sdio.clm_blob-${PV}" brcmfmac43455-sdio.clm_blob
+}

sys-firmware/brcm43430-firmware/files/brcmfmac43430-sdio.raspberrypi-rpi.txt-20190812

@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0+
+# (C) Copyright 2018 Raspberry Pi (Trading) Ltd.
+# NVRAM config file for the BCM43430 WiFi/BT chip as found on the
+# Raspberry Pi 3 Model B
+aa2g=1
+ag0=255
+AvVmid_c0=0x0,0xc8
+boardflags=0x00404201
+boardflags3=0x08000000
+boardnum=22
+boardrev=0x1202
+boardtype=0x0726
+btc_mode=1
+btc_params1=0x7530
+btc_params8=0x4e20
+cckbw202gpo=0
+cckpwroffset0=5
+ccode=ALL
+# cldo_pwm is not set
+deadman_to=0xffffffff
+devid=0x43e2
+extpagain2g=0
+il0macaddr=00:90:4c:c5:12:38
+legofdmbw202gpo=0x66111111
+macaddr=00:90:4c:c5:12:38
+manfid=0x2d0
+maxp2ga0=84
+mcsbw202gpo=0x77711111
+muxenab=0x1
+nocrc=1
+ofdmdigfilttype=18
+ofdmdigfilttypebe=18
+pa0itssit=0x20
+pa2ga0=-168,7161,-820
+pacalidx2g=32
+papdendidx=61
+papdepsoffset=-36
+papdmode=1
+papdvalidtest=1
+prodid=0x0726
+propbw202gpo=0xdd
+spurconfig=0x3 
+sromrev=11
+txpwrbckof=6
+vendid=0x14e4
+wl0id=0x431b
+xtalfreq=37400

sys-firmware/brcm43430-firmware/files/brcmfmac43430-sdio.txt-20190812

@@ -0,0 +1,64 @@
+# NVRAM file for BCM943430WLSELG
+# 2.4 GHz, 20 MHz BW mode
+
+# The following parameter values are just placeholders, need to be updated.
+manfid=0x2d0
+prodid=0x0726
+vendid=0x14e4
+devid=0x43e2
+boardtype=0x0726
+boardrev=0x1202
+boardnum=22
+macaddr=00:90:4c:c5:12:38
+sromrev=11
+boardflags=0x00404201
+boardflags3=0x08000000
+xtalfreq=37400
+#xtalfreq=19200
+nocrc=1
+ag0=255
+aa2g=1
+ccode=ALL
+
+pa0itssit=0x20
+extpagain2g=0
+
+#PA parameters for 2.4GHz, measured at CHIP OUTPUT
+pa2ga0=-168,7161,-820
+AvVmid_c0=0x0,0xc8
+cckpwroffset0=5
+
+# PPR params
+maxp2ga0=84
+txpwrbckof=6
+cckbw202gpo=0
+legofdmbw202gpo=0x66111111
+mcsbw202gpo=0x77711111
+propbw202gpo=0xdd
+
+# OFDM IIR :
+ofdmdigfilttype=18
+ofdmdigfilttypebe=18
+# PAPD mode:
+papdmode=1
+papdvalidtest=1
+pacalidx2g=32
+papdepsoffset=-36
+papdendidx=61
+
+il0macaddr=00:90:4c:c5:12:38
+wl0id=0x431b
+
+deadman_to=0xffffffff
+# muxenab: 0x1 for UART enable, 0x2 for GPIOs, 0x8 for JTAG
+muxenab=0x1
+# CLDO PWM voltage settings - 0x4 - 1.1 volt
+#cldo_pwm=0x4
+
+#VCO freq 326.4MHz
+spurconfig=0x3 
+
+# Improved Bluetooth coexistence parameters from Cypress
+btc_mode=1
+btc_params8=0x4e20
+btc_params1=0x7530

sys-firmware/brcm43430-firmware/files/brcmfmac43455-sdio.txt-20190812

@@ -0,0 +1,97 @@
+# Cloned from bcm94345wlpagb_p2xx.txt 
+NVRAMRev=$Rev: 498373 $
+sromrev=11
+vendid=0x14e4
+devid=0x43ab
+manfid=0x2d0
+prodid=0x06e4
+#macaddr=00:90:4c:c5:12:38
+macaddr=b8:27:eb:74:f2:6c
+nocrc=1
+boardtype=0x6e4
+boardrev=0x1304
+
+#XTAL 37.4MHz
+xtalfreq=37400
+
+btc_mode=1
+#------------------------------------------------------
+#boardflags: 5GHz eTR switch by default
+#            2.4GHz eTR switch by default
+#            bit1 for btcoex
+boardflags=0x00480201
+boardflags2=0x40800000
+boardflags3=0x44200100
+phycal_tempdelta=15
+rxchain=1
+txchain=1
+aa2g=1
+aa5g=1
+tssipos5g=1
+tssipos2g=1
+femctrl=0
+AvVmid_c0=1,165,2,100,2,100,2,100,2,100
+pa2ga0=-129,6525,-718
+pa2ga1=-149,4408,-601
+pa5ga0=-185,6836,-815,-186,6838,-815,-184,6859,-815,-184,6882,-818
+pa5ga1=-202,4285,-574,-201,4312,-578,-196,4391,-586,-201,4294,-575
+itrsw=1
+pdoffsetcckma0=2
+pdoffset2gperchan=0,-2,1,0,1,0,1,1,1,0,0,-1,-1,0
+pdoffset2g40ma0=16
+pdoffset40ma0=0x8888
+pdoffset80ma0=0x8888
+extpagain5g=2
+extpagain2g=2
+tworangetssi2g=1
+tworangetssi5g=1
+# LTECX flags
+# WCI2
+ltecxmux=0
+ltecxpadnum=0x0504
+ltecxfnsel=0x22
+ltecxgcigpio=0x32
+
+maxp2ga0=80
+ofdmlrbw202gpo=0x0022
+dot11agofdmhrbw202gpo=0x4442
+mcsbw202gpo=0x98444422
+mcsbw402gpo=0x98444422
+maxp5ga0=82,82,82,82
+mcsbw205glpo=0xb9555000
+mcsbw205gmpo=0xb9555000
+mcsbw205ghpo=0xb9555000
+mcsbw405glpo=0xb9555000
+mcsbw405gmpo=0xb9555000
+mcsbw405ghpo=0xb9555000
+mcsbw805glpo=0xb9555000
+mcsbw805gmpo=0xb9555000
+mcsbw805ghpo=0xb9555000
+
+swctrlmap_2g=0x00000000,0x00000000,0x00000000,0x010000,0x3ff
+swctrlmap_5g=0x00100010,0x00200020,0x00200020,0x010000,0x3fe
+swctrlmapext_5g=0x00000000,0x00000000,0x00000000,0x000000,0x3
+swctrlmapext_2g=0x00000000,0x00000000,0x00000000,0x000000,0x3
+
+vcodivmode=1
+deadman_to=481500000
+
+ed_thresh2g=-54
+ed_thresh5g=-54
+eu_edthresh2g=-54
+eu_edthresh5g=-54
+ldo1=4
+rawtempsense=0x1ff
+cckPwrIdxCorr=3
+cckTssiDelay=150
+ofdmTssiDelay=150
+txpwr2gAdcScale=1
+txpwr5gAdcScale=1
+dot11b_opts=0x3aa85
+cbfilttype=1
+fdsslevel_ch11=6
+
+# Improved Bluetooth coexistence parameters from Cypress
+btc_mode=1
+btc_params8=0x4e20
+btc_params1=0x7530

sys-firmware/brcm43430-firmware/metadata.xml

@@ -9,10 +9,8 @@
 		<remote-id type="github">RPi-Distro/firmware-nonfree</remote-id>
 	</upstream>
 	<longdescription>
-		Adds two text files (brcmfmac43430-sdio.txt and
-                brcmfmac43455-sdio.txt) that are necessary for
-                operation of the RPi3's integrated WiFi (on the
-                model B and B+, respectively), plus the additional
-                file brcmfmac43455-sdio.clm_blob (for the B+).
+		Adds text files that are necessary for
+                operation of the RPi3 and RPi4's integrated WiFi,
+                plus an additional clm blob.
 	</longdescription>
 </pkgmetadata>