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-rw-r--r--net/eth.c29
-rw-r--r--test/dm/eth.c20
2 files changed, 48 insertions, 1 deletions
diff --git a/net/eth.c b/net/eth.c
index a2e6f34..b6c2af3 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -360,6 +360,18 @@ int eth_initialize(void)
printf("No ethernet found.\n");
bootstage_error(BOOTSTAGE_ID_NET_ETH_START);
} else {
+ char *ethprime = getenv("ethprime");
+ struct udevice *prime_dev = NULL;
+
+ if (ethprime)
+ prime_dev = eth_get_dev_by_name(ethprime);
+ if (prime_dev) {
+ eth_set_dev(prime_dev);
+ eth_current_changed();
+ } else {
+ eth_set_dev(NULL);
+ }
+
bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT);
do {
if (num_devices)
@@ -367,6 +379,9 @@ int eth_initialize(void)
printf("eth%d: %s", dev->seq, dev->name);
+ if (ethprime && dev == prime_dev)
+ printf(" [PRIME]");
+
eth_write_hwaddr(dev);
uclass_next_device(&dev);
@@ -915,8 +930,20 @@ void eth_set_current(void)
act = getenv("ethact");
env_changed_id = env_id;
}
- if (act != NULL)
+
+ if (act == NULL) {
+ char *ethprime = getenv("ethprime");
+ void *dev = NULL;
+
+ if (ethprime)
+ dev = eth_get_dev_by_name(ethprime);
+ if (dev)
+ eth_set_dev(dev);
+ else
+ eth_set_dev(NULL);
+ } else {
eth_set_dev(eth_get_dev_by_name(act));
+ }
eth_current_changed();
}
diff --git a/test/dm/eth.c b/test/dm/eth.c
index 5688b71..96e3c46 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -60,3 +60,23 @@ static int dm_test_eth_alias(struct dm_test_state *dms)
return 0;
}
DM_TEST(dm_test_eth_alias, DM_TESTF_SCAN_FDT);
+
+static int dm_test_eth_prime(struct dm_test_state *dms)
+{
+ NetPingIP = string_to_ip("1.1.2.2");
+
+ /* Expected to be "eth@10003000" because of ethprime variable */
+ setenv("ethact", NULL);
+ setenv("ethprime", "eth5");
+ ut_assertok(NetLoop(PING));
+ ut_asserteq_str("eth@10003000", getenv("ethact"));
+
+ /* Expected to be "eth@10002000" because it is first */
+ setenv("ethact", NULL);
+ setenv("ethprime", NULL);
+ ut_assertok(NetLoop(PING));
+ ut_asserteq_str("eth@10002000", getenv("ethact"));
+
+ return 0;
+}
+DM_TEST(dm_test_eth_prime, DM_TESTF_SCAN_FDT);