diff options
Diffstat (limited to 'os/hal/platforms/STM32/mac_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/mac_lld.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/os/hal/platforms/STM32/mac_lld.c b/os/hal/platforms/STM32/mac_lld.c index 2ddbc885a..15f9cd13c 100644 --- a/os/hal/platforms/STM32/mac_lld.c +++ b/os/hal/platforms/STM32/mac_lld.c @@ -118,14 +118,22 @@ static uint32_t mii_read(MACDriver *macp, uint32_t reg) { static void mii_find_phy(MACDriver *macp) {
uint32_t i;
- for (i = 0; i < 31; i++) {
- macp->phyaddr = i << 11;
- ETH->MACMIIDR = (i << 6) | MACMIIDR_CR;
- if ((mii_read(macp, MII_PHYSID1) == (BOARD_PHY_ID >> 16)) &&
- ((mii_read(macp, MII_PHYSID2) & 0xFFF0) == (BOARD_PHY_ID & 0xFFF0))) {
- return;
+#if STM32_MAC_PHY_TIMEOUT > 0
+ halrtcnt_t start = halGetCounterValue();
+ halrtcnt_t timeout = start + MS2RTT(STM32_MAC_PHY_TIMEOUT);
+ while (halIsCounterWithin(start, timeout)) {
+#endif
+ for (i = 0; i < 31; i++) {
+ macp->phyaddr = i << 11;
+ ETH->MACMIIDR = (i << 6) | MACMIIDR_CR;
+ if ((mii_read(macp, MII_PHYSID1) == (BOARD_PHY_ID >> 16)) &&
+ ((mii_read(macp, MII_PHYSID2) & 0xFFF0) == (BOARD_PHY_ID & 0xFFF0))) {
+ return;
+ }
}
+#if STM32_MAC_PHY_TIMEOUT > 0
}
+#endif
/* Wrong or defective board.*/
chSysHalt();
}
|