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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-04-17 07:41:20 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-04-17 07:41:20 +0000
commitc53f70238122ce394eb45aa471feebc54515b9ca (patch)
tree4c44283877424d013eda386277bee4050575e63a /os/hal/platforms/STM32/mac_lld.c
parent82d784f49832b7cf9257eca1803b43b21af7973d (diff)
downloadChibiOS-c53f70238122ce394eb45aa471feebc54515b9ca.tar.gz
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Added timeout on PHY detection setting.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4105 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/mac_lld.c')
-rw-r--r--os/hal/platforms/STM32/mac_lld.c20
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();
}