Date: Thu, 21 Sep 2023 07:35:19 +0200 From: "Patrick M. Hausen" <pmh@hausen.com> To: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Getting a stable MAC address for a RPI CM3+ with ue0 interface Message-ID: <B8AB54AB-6EDF-4763-8FA5-5A9BA540A0FB@hausen.com> In-Reply-To: <38325594-6F01-4E43-86A9-D3C92A5151B7@yahoo.com> References: <3C1032FF-B914-4863-8A03-759A8B4BE216@hausen.com> <77E70D30-8E7D-42DC-A041-3A783E1C6908@yahoo.com> <5205C76E-BAB4-4AB7-8A03-1E8A2D4353BB@hausen.com> <4C192A4E-8F53-4FE5-B1E3-836943F9A050@hausen.com> <cdddd5cf-c6a5-3a50-9688-8bb65f1c14ce@FreeBSD.org> <3306D438-576B-46A6-A124-1F1D803A2236@hausen.com> <6a842b75-c9ea-d697-c223-c2d8c5653d68@FreeBSD.org> <38325594-6F01-4E43-86A9-D3C92A5151B7@yahoo.com>
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HI all,
> Am 21.09.2023 um 06:09 schrieb Mark Millard <marklmi@yahoo.com>:
> sysctl -b hw.fdt.dtb | dtc -I dtb -s > current_sorted.dts
Without the explicit "force_mac_address" line I find this in the output:
-----------------
aliases {
i2c_arm =3D "/soc/i2c@7e804000";
i2c =3D "/soc/i2c@7e804000";
i2c_vc =3D "/soc/i2c0mux/i2c@0";
serial0 =3D "/soc/serial@7e201000";
serial1 =3D "/soc/serial@7e215040";
aux =3D "/soc/aux@7e215000";
sound =3D "/soc/sound";
soc =3D "/soc";
dma =3D "/soc/dma@7e007000";
intc =3D "/soc/interrupt-controller@7e00b200";
watchdog =3D "/soc/watchdog@7e100000";
random =3D "/soc/rng@7e104000";
mailbox =3D "/soc/mailbox@7e00b880";
gpio =3D "/soc/gpio@7e200000";
uart0 =3D "/soc/serial@7e201000";
uart1 =3D "/soc/serial@7e215040";
sdhost =3D "/soc/mmc@7e202000";
mmc =3D "/soc/mmc@7e300000";
mmc1 =3D "/soc/mmc@7e300000";
mmc0 =3D "/soc/mmc@7e202000";
i2s =3D "/soc/i2s@7e203000";
i2c0 =3D "/soc/i2c0mux/i2c@0";
i2c1 =3D "/soc/i2c@7e804000";
i2c10 =3D "/soc/i2c0mux/i2c@1";
spi0 =3D "/soc/spi@7e204000";
spi1 =3D "/soc/spi@7e215080";
spi2 =3D "/soc/spi@7e2150c0";
usb =3D "/soc/usb@7e980000";
leds =3D "/leds";
fb =3D "/soc/fb";
thermal =3D "/soc/thermal@7e212000";
axiperf =3D "/soc/axiperf";
i2c2 =3D "/soc/i2c@7e805000";
};
chosen {
fixup-applied;
u-boot,version =3D "2023.07.02";
user-warnings =3D [64 74 65 72 72 6f 72 3a 20 63 61 6e =
27 74 20 66 69 6e 64 20 73 79 6d 62 6f 6c 20 27 75 61 72 74 30 5f 70 69 =
6e 73 27 0a 46 61 69 6c 65 64 20 74 6f 20 72 65 73 6f 6c 76 65 20 6f 76 =
65 72 6c 61 79 20 27 64 69 73 61 62 6c 65 2d 62 74 27 0a];
rng-seed =3D <0x17f7438c 0x2ab979c8 0xc4352759 =
0x305da3e8 0x4304ea0a 0x6ce10bfb 0xa633ae6 0xcada5dfc 0x854eeecb 0x925b
1f20 0x12bdb423 0x1ebbf917 0x4b434ef3 0x21939e04 0x4ee3dcc7 0xe3f5af57>;
kaslr-seed =3D <0x64f204d4 0x19ed2123>;
os_prefix;
overlay_prefix =3D [6f 76 65 72 6c 61 79 73 2f];
rpi-boardrev-ext =3D <0x0>;
log =3D <0x3ff80000 0x7ffe0>;
bootargs =3D "coherent_pool=3D1M =
snd_bcm2835.enable_headphones=3D0 snd_bcm2835.enable_hdmi=3D1 =
bcm2708_fb.fbwidth=3D656 bcm2708_fb.fbheight=3D416 bcm2708_fb.fbswap=3D1 =
smsc95xx.macaddr=3DB8:27:EB:09:CB:7D vc_mem.mem_base=3D0x3ec00000 =
vc_mem.mem_size=3D0x40000000 force_mac_address=3Db8:27:eb:09:cb:7d";
phandle =3D <0x2f>;
bootloader {
boot-mode =3D <0x1>;
tryboot =3D <0x0>;
rsts =3D <0x1000>;
partition =3D <0x0>;
};
};
-----------------
The MAC address shown in the "bootargs" line is matching the serial =
number of the CM.
What now?
Kind regards,
Patrick=
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