X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Finclude%2Fhw%2Fintc%2Fimx_avic.h;fp=qemu%2Finclude%2Fhw%2Fintc%2Fimx_avic.h;h=1b80769018ed8ba0043d670a2d2fcea0380dd5d7;hb=437fd90c0250dee670290f9b714253671a990160;hp=0000000000000000000000000000000000000000;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git

diff --git a/qemu/include/hw/intc/imx_avic.h b/qemu/include/hw/intc/imx_avic.h
new file mode 100644
index 000000000..1b8076901
--- /dev/null
+++ b/qemu/include/hw/intc/imx_avic.h
@@ -0,0 +1,55 @@
+/*
+ * i.MX31 Vectored Interrupt Controller
+ *
+ * Note this is NOT the PL192 provided by ARM, but
+ * a custom implementation by Freescale.
+ *
+ * Copyright (c) 2008 OKL
+ * Copyright (c) 2011 NICTA Pty Ltd
+ * Originally written by Hans Jiang
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * This code is licensed under the GPL version 2 or later.  See
+ * the COPYING file in the top-level directory.
+ *
+ * TODO: implement vectors.
+ */
+#ifndef IMX_AVIC_H
+#define IMX_AVIC_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_IMX_AVIC "imx.avic"
+#define IMX_AVIC(obj) OBJECT_CHECK(IMXAVICState, (obj), TYPE_IMX_AVIC)
+
+#define IMX_AVIC_NUM_IRQS 64
+
+/* Interrupt Control Bits */
+#define ABFLAG (1<<25)
+#define ABFEN  (1<<24)
+#define NIDIS  (1<<22) /* Normal Interrupt disable */
+#define FIDIS  (1<<21) /* Fast interrupt disable */
+#define NIAD   (1<<20) /* Normal Interrupt Arbiter Rise ARM level */
+#define FIAD   (1<<19) /* Fast Interrupt Arbiter Rise ARM level */
+#define NM     (1<<18) /* Normal interrupt mode */
+
+#define PRIO_PER_WORD (sizeof(uint32_t) * 8 / 4)
+#define PRIO_WORDS (IMX_AVIC_NUM_IRQS/PRIO_PER_WORD)
+
+typedef struct IMXAVICState{
+    /*< private >*/
+    SysBusDevice parent_obj;
+
+    /*< public >*/
+    MemoryRegion iomem;
+    uint64_t pending;
+    uint64_t enabled;
+    uint64_t is_fiq;
+    uint32_t intcntl;
+    uint32_t intmask;
+    qemu_irq irq;
+    qemu_irq fiq;
+    uint32_t prio[PRIO_WORDS]; /* Priorities are 4-bits each */
+} IMXAVICState;
+
+#endif /* IMX_AVIC_H */