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authorJean-Christophe Dubois <jcd@tribudubois.net>2015-08-13 11:26:19 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-08-13 11:26:19 +0100
commitcd0bda20874d65b5ac4ab6e69d3eec4f095a924b (patch)
tree5a59b662b4049a69e493887e8301b74235fd6d89 /hw/char/imx_serial.c
parenta5c6a584a74c9c66a07a2ce019bbdd3bcf4e4909 (diff)
i.MX: Split UART emulator in a header file and a source file
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: a51ef50fa222a614169056d5389a6d3ed6a63b04.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/char/imx_serial.c')
-rw-r--r--hw/char/imx_serial.c82
1 files changed, 2 insertions, 80 deletions
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c
index f3fbc776be..1dcb3254f8 100644
--- a/hw/char/imx_serial.c
+++ b/hw/char/imx_serial.c
@@ -4,6 +4,7 @@
* Copyright (c) 2008 OKL
* Originally Written by Hans Jiang
* Copyright (c) 2011 NICTA Pty Ltd.
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
@@ -17,8 +18,7 @@
* is a real serial device.
*/
-#include "hw/hw.h"
-#include "hw/sysbus.h"
+#include "hw/char/imx_serial.h"
#include "sysemu/sysemu.h"
#include "sysemu/char.h"
#include "hw/arm/imx.h"
@@ -43,35 +43,6 @@ do { printf("imx_serial: " fmt , ##args); } while (0)
# define IPRINTF(fmt, args...) do {} while (0)
#endif
-#define TYPE_IMX_SERIAL "imx-serial"
-#define IMX_SERIAL(obj) OBJECT_CHECK(IMXSerialState, (obj), TYPE_IMX_SERIAL)
-
-typedef struct IMXSerialState {
- SysBusDevice parent_obj;
-
- MemoryRegion iomem;
- int32_t readbuff;
-
- uint32_t usr1;
- uint32_t usr2;
- uint32_t ucr1;
- uint32_t ucr2;
- uint32_t uts1;
-
- /*
- * The registers below are implemented just so that the
- * guest OS sees what it has written
- */
- uint32_t onems;
- uint32_t ufcr;
- uint32_t ubmr;
- uint32_t ubrc;
- uint32_t ucr3;
-
- qemu_irq irq;
- CharDriverState *chr;
-} IMXSerialState;
-
static const VMStateDescription vmstate_imx_serial = {
.name = "imx-serial",
.version_id = 1,
@@ -91,55 +62,6 @@ static const VMStateDescription vmstate_imx_serial = {
},
};
-
-#define URXD_CHARRDY (1<<15) /* character read is valid */
-#define URXD_ERR (1<<14) /* Character has error */
-#define URXD_BRK (1<<11) /* Break received */
-
-#define USR1_PARTYER (1<<15) /* Parity Error */
-#define USR1_RTSS (1<<14) /* RTS pin status */
-#define USR1_TRDY (1<<13) /* Tx ready */
-#define USR1_RTSD (1<<12) /* RTS delta: pin changed state */
-#define USR1_ESCF (1<<11) /* Escape sequence interrupt */
-#define USR1_FRAMERR (1<<10) /* Framing error */
-#define USR1_RRDY (1<<9) /* receiver ready */
-#define USR1_AGTIM (1<<8) /* Aging timer interrupt */
-#define USR1_DTRD (1<<7) /* DTR changed */
-#define USR1_RXDS (1<<6) /* Receiver is idle */
-#define USR1_AIRINT (1<<5) /* Aysnch IR interrupt */
-#define USR1_AWAKE (1<<4) /* Falling edge detected on RXd pin */
-
-#define USR2_ADET (1<<15) /* Autobaud complete */
-#define USR2_TXFE (1<<14) /* Transmit FIFO empty */
-#define USR2_DTRF (1<<13) /* DTR/DSR transition */
-#define USR2_IDLE (1<<12) /* UART has been idle for too long */
-#define USR2_ACST (1<<11) /* Autobaud counter stopped */
-#define USR2_RIDELT (1<<10) /* Ring Indicator delta */
-#define USR2_RIIN (1<<9) /* Ring Indicator Input */
-#define USR2_IRINT (1<<8) /* Serial Infrared Interrupt */
-#define USR2_WAKE (1<<7) /* Start bit detected */
-#define USR2_DCDDELT (1<<6) /* Data Carrier Detect delta */
-#define USR2_DCDIN (1<<5) /* Data Carrier Detect Input */
-#define USR2_RTSF (1<<4) /* RTS transition */
-#define USR2_TXDC (1<<3) /* Transmission complete */
-#define USR2_BRCD (1<<2) /* Break condition detected */
-#define USR2_ORE (1<<1) /* Overrun error */
-#define USR2_RDR (1<<0) /* Receive data ready */
-
-#define UCR1_TRDYEN (1<<13) /* Tx Ready Interrupt Enable */
-#define UCR1_RRDYEN (1<<9) /* Rx Ready Interrupt Enable */
-#define UCR1_TXMPTYEN (1<<6) /* Tx Empty Interrupt Enable */
-#define UCR1_UARTEN (1<<0) /* UART Enable */
-
-#define UCR2_TXEN (1<<2) /* Transmitter enable */
-#define UCR2_RXEN (1<<1) /* Receiver enable */
-#define UCR2_SRST (1<<0) /* Reset complete */
-
-#define UTS1_TXEMPTY (1<<6)
-#define UTS1_RXEMPTY (1<<5)
-#define UTS1_TXFULL (1<<4)
-#define UTS1_RXFULL (1<<3)
-
static void imx_update(IMXSerialState *s)
{
uint32_t flags;