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| author | gdisirio <gdisirio@110e8d01-0319-4d1e-a829-52ad28d1bb01> | 2018-10-27 07:14:04 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@110e8d01-0319-4d1e-a829-52ad28d1bb01> | 2018-10-27 07:14:04 +0000 |
| commit | b49a2f34fda633f90cffaecdc487e4e6c64b9058 (patch) | |
| tree | 330160f05b518a8d5d93c06b5fb5b93a86fe5bd3 /os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c | |
| parent | 734ac55bc28d3b4ff3e53cc6b46647473ee8d21c (diff) | |
| download | ChibiOS-b49a2f34fda633f90cffaecdc487e4e6c64b9058.tar.gz ChibiOS-b49a2f34fda633f90cffaecdc487e4e6c64b9058.tar.bz2 ChibiOS-b49a2f34fda633f90cffaecdc487e4e6c64b9058.zip | |
Added a check into the MAC driver to optionally disable TX FIFO flushing.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12391 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c')
| -rw-r--r-- | os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c b/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c index 820f93263..505951f43 100644 --- a/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c +++ b/os/hal/ports/STM32/LLD/MACv1/hal_mac_lld.c @@ -364,10 +364,14 @@ void mac_lld_start(MACDriver *macp) { /* DMA general settings.*/
ETH->DMABMR = ETH_DMABMR_AAB | ETH_DMABMR_RDP_1Beat | ETH_DMABMR_PBL_1Beat;
+ /* Check because errata on some devices. There should be no need to
+ disable flushing because the TXFIFO should be empty on macStart().*/
+#if !defined(STM32_MAC_DISABLE_TX_FLUSH)
/* Transmit FIFO flush.*/
ETH->DMAOMR = ETH_DMAOMR_FTF;
while (ETH->DMAOMR & ETH_DMAOMR_FTF)
;
+#endif
/* DMA final configuration and start.*/
ETH->DMAOMR = ETH_DMAOMR_DTCEFD | ETH_DMAOMR_RSF | ETH_DMAOMR_TSF |
|