diff options
| author | Hans-Erik Floryd <hans-erik.floryd@rt-labs.com> | 2018-08-20 11:24:31 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-08-20 11:24:31 +0100 |
| commit | 3c54cf7705f243c0d37f254abd0131ab69ae94e5 (patch) | |
| tree | 7b802eff843ca21a6353a87ed0ba755c6b2545ec | |
| parent | 84be3ef1defeefc4ef157f8657d178d204ec0f3a (diff) | |
| download | qemu-3c54cf7705f243c0d37f254abd0131ab69ae94e5.zip | |
imx_serial: Generate interrupt on receive data ready if enabled
Generate an interrupt if USR2_RDR and UCR4_DREN are both set.
Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com>
Message-id: 1534341354-11956-1-git-send-email-hans-erik.floryd@rt-labs.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/char/imx_serial.c | 3 | ||||
| -rw-r--r-- | include/hw/char/imx_serial.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c index 0747db9f2b..1e363190e3 100644 --- a/hw/char/imx_serial.c +++ b/hw/char/imx_serial.c @@ -74,8 +74,9 @@ static void imx_update(IMXSerialState *s) mask = (s->ucr1 & UCR1_TXMPTYEN) ? USR2_TXFE : 0; /* * TCEN and TXDC are both bit 3 + * RDR and DREN are both bit 0 */ - mask |= s->ucr4 & UCR4_TCEN; + mask |= s->ucr4 & (UCR4_TCEN | UCR4_DREN); usr2 = s->usr2 & mask; diff --git a/include/hw/char/imx_serial.h b/include/hw/char/imx_serial.h index ee80da12e6..c8b74284f8 100644 --- a/include/hw/char/imx_serial.h +++ b/include/hw/char/imx_serial.h @@ -68,6 +68,7 @@ #define UCR2_RXEN (1<<1) /* Receiver enable */ #define UCR2_SRST (1<<0) /* Reset complete */ +#define UCR4_DREN BIT(0) /* Receive Data Ready interrupt enable */ #define UCR4_TCEN BIT(3) /* TX complete interrupt enable */ #define UTS1_TXEMPTY (1<<6) |