diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/dwc_eth_qos.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 9a5575e7b8..ec58697b31 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -761,6 +761,12 @@ static int eqos_start(struct udevice *dev) eqos->reg_access_ok = true; + /* + * Assert the SWR first, the actually reset the MAC and to latch in + * e.g. i.MX8M Plus GPR[1] content, which selects interface mode. + */ + setbits_le32(&eqos->dma_regs->mode, EQOS_DMA_MODE_SWR); + ret = wait_for_bit_le32(&eqos->dma_regs->mode, EQOS_DMA_MODE_SWR, false, eqos->config->swr_wait, false); |