[PATCH 1/3] net: dwc_eth_qos: Add support for platform specific reset

[Erik Schumacher]

This patch adds support for optional platform specific reset logic in
the dwc_eth_qos driver. This new function 'eqos_fix_soc_reset' is called
after the EQOS_DMA_MODE_SWR is set and before the driver waits for this
bit to clear.

Signed-off-by: Erik Schumacher <erik.schumacher at iris-sensing.com>
---
 drivers/net/dwc_eth_qos.c | 3 +++
 drivers/net/dwc_eth_qos.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index 3415c418a9..ab51a98e9d 100644
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -712,6 +712,9 @@ static int eqos_start(struct udevice *dev)
 	 */
 	setbits_le32(&eqos->dma_regs->mode, EQOS_DMA_MODE_SWR);
 
+	if (eqos->config->ops->eqos_fix_soc_reset)
+		eqos->config->ops->eqos_fix_soc_reset(dev);
+
 	ret = wait_for_bit_le32(&eqos->dma_regs->mode,
 				EQOS_DMA_MODE_SWR, false,
 				eqos->config->swr_wait, false);
diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h
index ce57e22a81..123f98d5d5 100644
--- a/drivers/net/dwc_eth_qos.h
+++ b/drivers/net/dwc_eth_qos.h
@@ -248,6 +248,7 @@ struct eqos_ops {
 	int (*eqos_set_tx_clk_speed)(struct udevice *dev);
 	int (*eqos_get_enetaddr)(struct udevice *dev);
 	ulong (*eqos_get_tick_clk_rate)(struct udevice *dev);
+	void (*eqos_fix_soc_reset)(struct udevice *dev);
 };
 
 struct eqos_priv {
-- 
2.47.0