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ath79: calibrate nand netgear wndrxxxx with nvmem

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Driver for both soc (2.4GHz Wifi) and pci (5 GHz) now pull the calibration
data from the nvmem subsystem.

This allows us to move the userspace caldata extraction for the pci-e ath9k
supported wifi into the device-tree definition of the device.

wmac's nodes are also changed over to use nvmem-cells over OpenWrt's
custom mtd-cal-data property.

The wifi mac address remains correct after these changes, because When both
"mac-address" and "calibration" are defined, the effective mac address
comes from the cell corresponding to "mac-address" and
mac-address-increment.

Test passed on my wndr3700v4 and wndr4500v3.
Signed-off-by: Edward Chow <equu@openmail.cc>
This commit is contained in:
Edward Chow 2022-11-20 11:22:31 +08:00 committed by Hauke Mehrtens
parent bca663f20f
commit 3d343ca713
3 changed files with 24 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
target/linux/ath79/dts/ar9344_netgear_wndr.dtsi
View File

@ -243,9 +243,8 @@
&wmac {
status = "okay";
nvmem-cells = <&macaddr_caldata_0>;
nvmem-cell-names = "mac-address";
qca,no-eeprom;
nvmem-cells = <&macaddr_caldata_0>, <&cal_art_1000>;
nvmem-cell-names = "mac-address", "calibration";
};
&pcie {
@ -254,9 +253,8 @@
ath9k: wifi@0,0 {
compatible = "pci168c,0033";
reg = <0x0000 0 0 0 0>;
nvmem-cells = <&macaddr_caldata_c>;
nvmem-cell-names = "mac-address";
qca,no-eeprom;
nvmem-cells = <&macaddr_caldata_c>, <&cal_art_5000>;
nvmem-cell-names = "mac-address", "calibration";
#gpio-cells = <2>;
gpio-controller;
};
@ -274,4 +272,12 @@
macaddr_caldata_c: macaddr@c {
reg = <0xc 0x6>;
};
cal_art_1000: cal@1000 {
reg = <0x1000 0x440>;
};
cal_art_5000: cal@5000 {
reg = <0x5000 0x440>;
};
};

18
target/linux/ath79/dts/qca9563_netgear_wndr.dtsi
View File

@ -209,9 +209,8 @@
&wmac {
status = "okay";
nvmem-cells = <&macaddr_caldata_0>;
nvmem-cell-names = "mac-address";
qca,no-eeprom;
nvmem-cells = <&macaddr_caldata_0>, <&cal_art_1000>;
nvmem-cell-names = "mac-address", "calibration";
};
&pcie {
@ -221,9 +220,8 @@
/* chip is AR9580, override bogus PCI ID 168c:abcd */
compatible = "pci168c,0033";
reg = <0x0000 0 0 0 0>;
nvmem-cells = <&macaddr_caldata_c>;
nvmem-cell-names = "mac-address";
qca,no-eeprom;
nvmem-cells = <&macaddr_caldata_c>, <&cal_art_5000>;
nvmem-cell-names = "mac-address", "calibration";
qca,gpio-mask=<0xf6ff>; /* unmask pin 9 for RFKILL button */
#gpio-cells = <2>;
gpio-controller;
@ -250,4 +248,12 @@
macaddr_caldata_c: macaddr@c {
reg = <0xc 0x6>;
};
cal_art_1000: cal@1000 {
reg = <0x1000 0x440>;
};
cal_art_5000: cal@5000 {
reg = <0x5000 0x440>;
};
};

23
target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
View File

@ -12,29 +12,6 @@ case "$FIRMWARE" in
8dev,rambutan)
caldata_extract "caldata" 0x1000 0x800
;;
netgear,wndr3700-v4|\
netgear,wndr4300|\
netgear,wndr4300sw|\
netgear,wndr4300tn|\
netgear,wndr4300-v2|\
netgear,wndr4500-v3)
caldata_extract "caldata" 0x1000 0x440
;;
*)
caldata_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:00.0.bin")
case $board in
netgear,wndr3700-v4|\
netgear,wndr4300|\
netgear,wndr4300sw|\
netgear,wndr4300tn|\
netgear,wndr4300-v2|\
netgear,wndr4500-v3)
caldata_extract "caldata" 0x5000 0x440
;;
*)
caldata_die "board $board is not supported yet"
;;