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authorPeter Crosthwaite <peter.crosthwaite@xilinx.com>2014-01-06 10:16:39 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-01-08 19:07:21 +0000
commit11a239a51ccbf27a22e2aa5f423ff1d6f5df65a7 (patch)
tree0a6aa44475858b141a783d52f887db6332f358cc /hw/char/cadence_uart.c
parent676f4c095d53841626b1ee2cbc7a53b4f6239e4e (diff)
downloadfocaccia-qemu-11a239a51ccbf27a22e2aa5f423ff1d6f5df65a7.tar.gz
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char/cadence_uart: Define Missing SR/ISR fields
Some (interrupt) status register bits relating to the TxFIFO path were
not defined. Define them. This prepares support for proper Tx data path
flow control.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 2068b963f0af8cc834c353944e9fa816d950b163.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/char/cadence_uart.c')
-rw-r--r--hw/char/cadence_uart.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index ddd7267259..216eed7442 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -34,6 +34,9 @@
 #define UART_SR_INTR_RFUL      0x00000004
 #define UART_SR_INTR_TEMPTY    0x00000008
 #define UART_SR_INTR_TFUL      0x00000010
+/* somewhat awkwardly, TTRIG is misaligned between SR and ISR */
+#define UART_SR_TTRIG          0x00002000
+#define UART_INTR_TTRIG        0x00000400
 /* bits fields in CSR that correlate to CISR. If any of these bits are set in
  * SR, then the same bit in CISR is set high too */
 #define UART_SR_TO_CISR_MASK   0x0000001F
@@ -43,6 +46,7 @@
 #define UART_INTR_PARE         0x00000080
 #define UART_INTR_TIMEOUT      0x00000100
 #define UART_INTR_DMSI         0x00000200
+#define UART_INTR_TOVR         0x00001000
 
 #define UART_SR_RACTIVE    0x00000400
 #define UART_SR_TACTIVE    0x00000800