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-rw-r--r--src/drivers/net/Kconfig8
-rw-r--r--src/drivers/net/r8168.c24
-rw-r--r--src/mainboard/google/fizz/Kconfig1
-rw-r--r--src/mainboard/google/fizz/variants/baseboard/devicetree.cb4
-rw-r--r--src/mainboard/google/hatch/variants/puff/overridetree.cb2
5 files changed, 23 insertions, 16 deletions
diff --git a/src/drivers/net/Kconfig b/src/drivers/net/Kconfig
index 92de1ed0e7..282075b31d 100644
--- a/src/drivers/net/Kconfig
+++ b/src/drivers/net/Kconfig
@@ -19,6 +19,14 @@ config RT8168_GET_MAC_FROM_VPD
default n
select REALTEK_8168_RESET
+config RT8168_SUPPORT_LEGACY_VPD_MAC
+ bool
+ default n
+ help
+ Previously VPD expected that device_indexes set to zero were
+ special cased. Selecting this Kconfig restores the legacy
+ VPD format and behaviour. If unsure, you likely do not need this!
+
config RT8168_SET_LED_MODE
bool
default n
diff --git a/src/drivers/net/r8168.c b/src/drivers/net/r8168.c
index 99d472ce8e..eaf33f2978 100644
--- a/src/drivers/net/r8168.c
+++ b/src/drivers/net/r8168.c
@@ -141,16 +141,10 @@ static enum cb_err fetch_mac_vpd_dev_idx(u8 *macstrbuf, u8 device_index)
char key[] = "ethernet_mac "; /* Leave a space at tail to stuff an index */
/*
- * The device_index 0 is treated as an special case matching to
- * "ethernet_mac" with single NIC on DUT. When there are mulitple
- * NICs on DUT, they are mapping to "ethernet_macN", where
- * N is [0-9].
+ * Map each NIC on the DUT to "ethernet_macN", where N is [0-9].
+ * Translate index number from integer to ascii by adding '0' char.
*/
- if (device_index == 0)
- key[DEVICE_INDEX_BYTE] = '\0';
- else
- /* Translate index number from integer to ascii */
- key[DEVICE_INDEX_BYTE] = (device_index - 1) + '0';
+ key[DEVICE_INDEX_BYTE] = device_index + '0';
return fetch_mac_vpd_key(macstrbuf, key);
}
@@ -167,12 +161,16 @@ static void fetch_mac_string_vpd(struct drivers_net_config *config, u8 *macstrbu
return;
}
- /* check "ethernet_mac" first when the device index is 1 */
- if (config->device_index == 1 &&
- fetch_mac_vpd_dev_idx(macstrbuf, 0) == CB_SUCCESS)
+ if (fetch_mac_vpd_dev_idx(macstrbuf, config->device_index) == CB_SUCCESS)
return;
- if (fetch_mac_vpd_dev_idx(macstrbuf, config->device_index) != CB_SUCCESS)
+ if (!CONFIG(RT8168_SUPPORT_LEGACY_VPD_MAC)) {
+ printk(BIOS_ERR, "r8168: mac address not found in VPD,"
+ " using default 00:e0:4c:00:c0:b0\n");
+ return;
+ }
+
+ if (fetch_mac_vpd_key(macstrbuf, "ethernet_mac ") != CB_SUCCESS)
printk(BIOS_ERR, "r8168: mac address not found in VPD,"
" using default 00:e0:4c:00:c0:b0\n");
}
diff --git a/src/mainboard/google/fizz/Kconfig b/src/mainboard/google/fizz/Kconfig
index fbe98bec3f..b6b34fd8e1 100644
--- a/src/mainboard/google/fizz/Kconfig
+++ b/src/mainboard/google/fizz/Kconfig
@@ -24,6 +24,7 @@ config BOARD_GOOGLE_BASEBOARD_FIZZ
select MAINBOARD_HAS_TPM2
select GENERIC_SPD_BIN
select RT8168_GET_MAC_FROM_VPD
+ select RT8168_SUPPORT_LEGACY_VPD_MAC
select RT8168_SET_LED_MODE
select SPD_READ_BY_WORD
diff --git a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
index c1afe3d439..5da9997d59 100644
--- a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
@@ -411,8 +411,8 @@ chip soc/intel/skylake
chip drivers/net
register "customized_leds" = "0x0fa5"
register "wake" = "GPE0_PCI_EXP"
- register "device_index" = "1"
device pci 00.0 on end
+ register "device_index" = "0"
end
end # PCI Express Port 3
device pci 1c.3 on
@@ -428,7 +428,7 @@ chip soc/intel/skylake
device pci 1d.0 on # PCI Express Port 9 for 2nd LAN
chip drivers/net
register "customized_leds" = "0x0fa5"
- register "device_index" = "2"
+ register "device_index" = "1"
device pci 00.0 on end
end
end # PCI Express Port 9 for BtoB
diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index d8df2980ec..bf9120adbc 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -283,7 +283,7 @@ chip soc/intel/cannonlake
register "stop_delay_ms" = "12" # NIC needs time to quiesce
register "stop_off_delay_ms" = "1"
register "has_power_resource" = "1"
- register "device_index" = "1"
+ register "device_index" = "0"
device pci 00.0 on end
end
end # FSP requires func0 be enabled.