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-rw-r--r--include/hw/char/cadence_uart.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/hw/char/cadence_uart.h b/include/hw/char/cadence_uart.h
new file mode 100644
index 0000000..6310f52
--- /dev/null
+++ b/include/hw/char/cadence_uart.h
@@ -0,0 +1,53 @@
+/*
+ * Device model for Cadence UART
+ *
+ * Copyright (c) 2010 Xilinx Inc.
+ * Copyright (c) 2012 Peter A.G. Crosthwaite (peter.crosthwaite@petalogix.com)
+ * Copyright (c) 2012 PetaLogix Pty Ltd.
+ * Written by Haibing Ma
+ * M.Habib
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CADENCE_UART_H
+
+#include "hw/sysbus.h"
+#include "sysemu/char.h"
+#include "qemu/timer.h"
+
+#define CADENCE_UART_RX_FIFO_SIZE 16
+#define CADENCE_UART_TX_FIFO_SIZE 16
+
+#define CADENCE_UART_R_MAX (0x48/4)
+
+#define TYPE_CADENCE_UART "cadence_uart"
+#define CADENCE_UART(obj) OBJECT_CHECK(CadenceUARTState, (obj), \
+ TYPE_CADENCE_UART)
+
+typedef struct {
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ MemoryRegion iomem;
+ uint32_t r[CADENCE_UART_R_MAX];
+ uint8_t rx_fifo[CADENCE_UART_RX_FIFO_SIZE];
+ uint8_t tx_fifo[CADENCE_UART_TX_FIFO_SIZE];
+ uint32_t rx_wpos;
+ uint32_t rx_count;
+ uint32_t tx_count;
+ uint64_t char_tx_time;
+ CharDriverState *chr;
+ qemu_irq irq;
+ QEMUTimer *fifo_trigger_handle;
+} CadenceUARTState;
+
+#define CADENCE_UART_H
+#endif
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