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boards: arm: mps2_an521: Add Ethernet support

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The only thing missing was the devicetree info.
Note that the address and irq are different for each ANxxx.

QEMU in the zephyr sdk 0.13.1 or better has the needed configuration for
mps2_an385, mps2_an521, and mps3_an547.
mps2_an385 and mps3_an547 worked even before this addition.

This can be tested following the general instructions in the
Zephyr documentation for "Networking with QEMU Ethernet"
https://docs.zephyrproject.org/latest/guides/networking/qemu_eth_setup.html

The specific command to use for mps2_an521 is:
$ west build -b mps2_an521 zephyr/samples/net/sockets/echo_server -- \
 -DOVERLAY_CONFIG=overlay-smsc911x.conf

Signed-off-by: Bill Mills <bill.mills@linaro.org>
This commit is contained in:
Bill Mills 2022-01-05 18:51:26 -05:00 • committed by Anas Nashif
commit 35c4e94aa5
1 changed files with 9 additions and 0 deletions
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boards/arm/mps2_an521/mps2_an521-common.dtsi
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@ -203,3 +203,12 @@ gpio_misc: mps2_fpgaio@30204c {
ngpios = <10>;
label = "FPGA_MISC";
};
eth0: eth@2000000 {
/* Linux has "smsc,lan9115" */
compatible = "smsc,lan9220";
/* Actual reg range is ~0x200 */
reg = <0x2000000 0x100000>;
label = "eth0";
interrupts = <48 3>;
};