stm32cube: stm32h5: ethernet: PTP clock doesn’t works (89ef0a33) · Commits · Wenxi XU / Hal Stm32

stm32cube/stm32h5xx/README

+9 −0

Changes for stm32cube/stm32h5xx/README: 9 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -54,4 +54,13 @@ Patch List:
		drivers/include/stm32h5xx_ll_spi.h
		ST internal bug : 147754

		*fix to the V2 HAL API to get PTP to work
		impacted file : stm32h5xx_hal_eth.c
		In the HAL_ETH_ReadData function where it checks for the last descriptor,
		we added a checked if the TSA bit was set in DESC1
		If the TSA bit is set then have a peak at the context descriptor which should be the one
		after the last descriptor
		If the CTXT bit is set in the context descriptor then extract the timestamps
		ST internal bug : 161504

		See release_note.html from STM32Cube

stm32cube/stm32h5xx/drivers/src/stm32h5xx_hal_eth.c

+18 −9

Changes for stm32cube/stm32h5xx/drivers/src/stm32h5xx_hal_eth.c: 18 added lines, 9 removed lines.
Original line number	Diff line number	Diff line
		@@ -1036,8 +1036,8 @@ HAL_StatusTypeDef HAL_ETH_Transmit_IT(ETH_HandleTypeDef *heth, ETH_TxPacketConfi
		*/
		HAL_StatusTypeDef HAL_ETH_ReadData(ETH_HandleTypeDef heth, void *pAppBuff)
		{
		uint32_t descidx;
		ETH_DMADescTypeDef *dmarxdesc;
		uint32_t descidx, descidx_temp;
		ETH_DMADescTypeDef dmarxdesc, dmarxdesc_temp;
		uint32_t desccnt = 0U;
		uint32_t desccntmax;
		uint32_t bufflength;
		@@ -1063,13 +1063,6 @@ HAL_StatusTypeDef HAL_ETH_ReadData(ETH_HandleTypeDef heth, void *pAppBuff)
		while ((READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_OWN) == (uint32_t)RESET) && (desccnt < desccntmax)
		&& (rxdataready == 0U))
		{
		if (READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_CTXT) != (uint32_t)RESET)
		{
		/* Get timestamp high */
		heth->RxDescList.TimeStamp.TimeStampHigh = dmarxdesc->DESC1;
		/* Get timestamp low */
		heth->RxDescList.TimeStamp.TimeStampLow = dmarxdesc->DESC0;
		}
		if ((READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_FD) != (uint32_t)RESET) \|\| (heth->RxDescList.pRxStart != NULL))
		{
		/* Check if first descriptor */
		@@ -1090,6 +1083,22 @@ HAL_StatusTypeDef HAL_ETH_ReadData(ETH_HandleTypeDef heth, void *pAppBuff)

		/* Packet ready */
		rxdataready = 1;

		if (READ_BIT(dmarxdesc->DESC1, ETH_DMARXNDESCWBF_TSA) != (uint32_t)RESET)
		{
		descidx_temp = descidx;
		INCR_RX_DESC_INDEX(descidx_temp, 1U);

		dmarxdesc_temp = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descidx_temp];

		if (READ_BIT(dmarxdesc_temp->DESC3, ETH_DMARXNDESCWBF_CTXT) != (uint32_t)RESET)
		{
		/* Get timestamp high */
		heth->RxDescList.TimeStamp.TimeStampHigh = dmarxdesc_temp->DESC1;
		/* Get timestamp low */
		heth->RxDescList.TimeStamp.TimeStampLow = dmarxdesc_temp->DESC0;
		}
		}
		}

		/* Link data */

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