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 ---
(no changes since v1)
arch/sandbox/dts/test.dts | 9 ++++++++- drivers/rtc/i2c_rtc_emul.c | 10 ++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 9aed071aa0..3e0b454efb 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -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 = <ð4_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 { diff --git a/drivers/rtc/i2c_rtc_emul.c b/drivers/rtc/i2c_rtc_emul.c index ba418c25da..c307d6036d 100644 --- a/drivers/rtc/i2c_rtc_emul.c +++ b/drivers/rtc/i2c_rtc_emul.c @@ -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,