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test: Load mac address using RTC

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This uses the nvmem API to load a mac address from an RTC.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sean Anderson 2022-05-05 13:11:43 -04:00 committed by Tom Rini
parent 472caa69e3
commit d3f7287849
2 changed files with 18 additions and 1 deletions
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9
arch/sandbox/dts/test.dts
View file

@ -558,7 +558,8 @@
dsa_eth0: dsa-test-eth {
compatible = "sandbox,eth";
reg = <0x10006000 0x1000>;
mac-address = [ 02 00 11 22 33 48 ];
nvmem-cells = <&eth4_addr>;
nvmem-cell-names = "mac-address";
};
dsa-test {
@ -722,9 +723,15 @@
};
rtc_0: rtc@43 {
#address-cells = <1>;
#size-cells = <1>;
reg = <0x43>;
compatible = "sandbox-rtc";
sandbox,emul = <&emul0>;
eth4_addr: mac-address@40 {
reg = <0x40 6>;
};
};
rtc_1: rtc@61 {

10
drivers/rtc/i2c_rtc_emul.c
View file

@ -203,6 +203,15 @@ static int sandbox_i2c_rtc_bind(struct udevice *dev)
return 0;
}
static int sandbox_i2c_rtc_probe(struct udevice *dev)
{
const u8 mac[] = { 0x02, 0x00, 0x11, 0x22, 0x33, 0x48 };
struct sandbox_i2c_rtc_plat_data *plat = dev_get_plat(dev);
memcpy(&plat->reg[0x40], mac, sizeof(mac));
return 0;
}
static const struct udevice_id sandbox_i2c_rtc_ids[] = {
{ .compatible = "sandbox,i2c-rtc-emul" },
{ }
@ -213,6 +222,7 @@ U_BOOT_DRIVER(sandbox_i2c_rtc_emul) = {
.id = UCLASS_I2C_EMUL,
.of_match = sandbox_i2c_rtc_ids,
.bind = sandbox_i2c_rtc_bind,
.probe = sandbox_i2c_rtc_probe,
.priv_auto = sizeof(struct sandbox_i2c_rtc),
.plat_auto = sizeof(struct sandbox_i2c_rtc_plat_data),
.ops = &sandbox_i2c_rtc_emul_ops,