diff options
| -rw-r--r-- | drivers/serial/serial_msm_geni.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/serial_msm_geni.c b/drivers/serial/serial_msm_geni.c index 3dca581f68f..ae4015e0fdc 100644 --- a/drivers/serial/serial_msm_geni.c +++ b/drivers/serial/serial_msm_geni.c @@ -55,6 +55,7 @@ #define SE_UART_RX_PARITY_CFG 0x2a8 #define DEF_TX_WM 2 +#define DEF_RX_WM 2 /* GENI_FORCE_DEFAULT_REG fields */ #define UART_START_READ 0x1 @@ -345,6 +346,7 @@ static void qcom_geni_serial_start_rx(struct udevice *dev) geni_se_setup_s_cmd(priv->base, UART_START_READ, 0); + writel(DEF_RX_WM, priv->base + SE_GENI_RX_WATERMARK_REG); setbits_le32(priv->base + SE_GENI_S_IRQ_EN, S_RX_FIFO_WATERMARK_EN | S_RX_FIFO_LAST_EN); setbits_le32(priv->base + SE_GENI_M_IRQ_EN, M_RX_FIFO_WATERMARK_EN | M_RX_FIFO_LAST_EN); } @@ -373,6 +375,7 @@ static void msm_geni_serial_setup_rx(struct udevice *dev) geni_se_setup_s_cmd(priv->base, UART_START_READ, 0); + writel(DEF_RX_WM, priv->base + SE_GENI_RX_WATERMARK_REG); setbits_le32(priv->base + SE_GENI_S_IRQ_EN, S_RX_FIFO_WATERMARK_EN | S_RX_FIFO_LAST_EN); setbits_le32(priv->base + SE_GENI_M_IRQ_EN, M_RX_FIFO_WATERMARK_EN | M_RX_FIFO_LAST_EN); } @@ -616,6 +619,7 @@ static inline void _debug_uart_init(void) phys_addr_t base = CONFIG_VAL(DEBUG_UART_BASE); geni_serial_init(&init_dev); + writel(DEF_RX_WM, base + SE_GENI_RX_WATERMARK_REG); geni_serial_baud(base, CLK_DIV, CONFIG_BAUDRATE); qcom_geni_serial_start_tx(base); } |