From 22580584d2c401cf2cd7b96c9d477b3c3dd6e2bb Mon Sep 17 00:00:00 2001 From: David Sidrane Date: Wed, 8 Jun 2022 10:16:48 -0700 Subject: [PATCH] kinetis:[lp]serial remove ttype & do cache ops --- arch/arm/src/kinetis/kinetis_lpserial.c | 4 +++- arch/arm/src/kinetis/kinetis_serial.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/src/kinetis/kinetis_lpserial.c b/arch/arm/src/kinetis/kinetis_lpserial.c index 9f2b22f65b4..3b3b85e6f2a 100644 --- a/arch/arm/src/kinetis/kinetis_lpserial.c +++ b/arch/arm/src/kinetis/kinetis_lpserial.c @@ -847,7 +847,6 @@ static int kinetis_dma_setup(struct uart_dev_s *dev) config.flags = EDMA_CONFIG_LINKTYPE_LINKNONE | EDMA_CONFIG_LOOPDEST; config.ssize = EDMA_8BIT; config.dsize = EDMA_8BIT; - config.ttype = EDMA_PERIPH2MEM; config.nbytes = 1; #ifdef CONFIG_KINETIS_EDMA_ELINK config.linkch = NULL; @@ -860,6 +859,9 @@ static int kinetis_dma_setup(struct uart_dev_s *dev) priv->rxdmanext = 0; + up_invalidate_dcache((uintptr_t)priv->rxfifo, + (uintptr_t)priv->rxfifo + RXDMA_BUFFER_SIZE); + /* Enable receive DMA for the UART */ regval = kinetis_serialin(priv, KINETIS_LPUART_BAUD_OFFSET); diff --git a/arch/arm/src/kinetis/kinetis_serial.c b/arch/arm/src/kinetis/kinetis_serial.c index 19a2f78ae0a..9b8bf07b297 100644 --- a/arch/arm/src/kinetis/kinetis_serial.c +++ b/arch/arm/src/kinetis/kinetis_serial.c @@ -956,7 +956,6 @@ static int up_dma_setup(struct uart_dev_s *dev) config.flags = EDMA_CONFIG_LINKTYPE_LINKNONE | EDMA_CONFIG_LOOPDEST; config.ssize = EDMA_8BIT; config.dsize = EDMA_8BIT; - config.ttype = EDMA_PERIPH2MEM; config.nbytes = 1; #ifdef CONFIG_KINETIS_EDMA_ELINK config.linkch = NULL; @@ -969,6 +968,9 @@ static int up_dma_setup(struct uart_dev_s *dev) priv->rxdmanext = 0; + up_invalidate_dcache((uintptr_t)priv->rxfifo, + (uintptr_t)priv->rxfifo + RXDMA_BUFFER_SIZE); + /* Enable receive DMA for the UART */ regval = up_serialin(priv, KINETIS_UART_C5_OFFSET);