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test: Load mac address with i2c eeprom

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This uses an i2c eeprom to load a mac address using the nvmem interface.
Enable I2C_EEPROM for sandbox SPL since it is the only sandbox config
which doesn't enable it eeprom.

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 13:11:42 -04:00 committed by Tom Rini
parent 97d0f9bfdd
commit 472caa69e3
3 changed files with 13 additions and 1 deletions
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9
arch/sandbox/dts/test.dts
View file

@ -538,7 +538,8 @@
eth_3: sbe5 {
compatible = "sandbox,eth";
reg = <0x10005000 0x1000>;
mac-address = [ 02 00 11 22 33 45 ];
nvmem-cells = <&eth3_addr>;
nvmem-cell-names = "mac-address";
};
eth@10004000 {
@ -701,6 +702,8 @@
pinctrl-0 = <&pinmux_i2c0_pins>;
eeprom@2c {
#address-cells = <1>;
#size-cells = <1>;
reg = <0x2c>;
compatible = "i2c-eeprom";
sandbox,emul = <&emul_eeprom>;
@ -712,6 +715,10 @@
reg = <10 2>;
};
};
eth3_addr: mac-address@24 {
reg = <24 6>;
};
};
rtc_0: rtc@43 {

1
configs/sandbox_spl_defconfig
View file

@ -155,6 +155,7 @@ CONFIG_CROS_EC_SPI=y
CONFIG_P2SB=y
CONFIG_PWRSEQ=y
CONFIG_SPL_PWRSEQ=y
CONFIG_I2C_EEPROM=y
CONFIG_MMC_SANDBOX=y
CONFIG_SPI_FLASH_SANDBOX=y
CONFIG_SPI_FLASH_ATMEL=y

4
drivers/misc/i2c_eeprom_emul.c
View file

@ -171,11 +171,15 @@ static int sandbox_i2c_eeprom_probe(struct udevice *dev)
{
struct sandbox_i2c_flash_plat_data *plat = dev_get_plat(dev);
struct sandbox_i2c_flash *priv = dev_get_priv(dev);
/* For eth3 */
const u8 mac[] = { 0x02, 0x00, 0x11, 0x22, 0x33, 0x45 };
priv->data = calloc(1, plat->size);
if (!priv->data)
return -ENOMEM;
memcpy(&priv->data[24], mac, sizeof(mac));
return 0;
}