xlnx-zynqmp-ipi: Initial version of the Xilinx IPI device

This is the initial version of the Inter Processor Interrupt device.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/include/hw/intc/xlnx-zynqmp-ipi.h b/include/hw/intc/xlnx-zynqmp-ipi.h
new file mode 100644
index 0000000..4afa4ff
--- /dev/null
+++ b/include/hw/intc/xlnx-zynqmp-ipi.h
@@ -0,0 +1,57 @@
+/*
+ * QEMU model of the IPI Inter Processor Interrupt block
+ *
+ * Copyright (c) 2014 Xilinx Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef XLNX_ZYNQMP_IPI_H
+#define XLNX_ZYNQMP_IPI_H
+
+#include "qemu/osdep.h"
+#include "hw/sysbus.h"
+#include "hw/register.h"
+
+#define TYPE_XLNX_ZYNQMP_IPI "xlnx.zynqmp_ipi"
+
+#define XLNX_ZYNQMP_IPI(obj) \
+     OBJECT_CHECK(XlnxZynqMPIPI, (obj), TYPE_XLNX_ZYNQMP_IPI)
+
+/* This is R_IPI_IDR + 1 */
+#define R_XLNX_ZYNQMP_IPI_MAX ((0x1c / 4) + 1)
+
+#define NUM_IPIS 11
+
+typedef struct XlnxZynqMPIPI {
+    /* Private */
+    SysBusDevice parent_obj;
+
+    /* Public */
+    MemoryRegion iomem;
+    qemu_irq irq;
+
+    qemu_irq irq_trig_out[NUM_IPIS];
+    qemu_irq irq_obs_out[NUM_IPIS];
+
+    uint32_t regs[R_XLNX_ZYNQMP_IPI_MAX];
+    RegisterInfo regs_info[R_XLNX_ZYNQMP_IPI_MAX];
+} XlnxZynqMPIPI;
+
+#endif /* XLNX_ZYNQMP_IPI_H */