qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH target-arm v9 11/14] arm: xlnx-zynqmp: Add UART supp


From: Peter Crosthwaite
Subject: [Qemu-devel] [PATCH target-arm v9 11/14] arm: xlnx-zynqmp: Add UART support
Date: Thu, 14 May 2015 19:23:21 -0700

There are 2x Cadence UARTs in Zynq MP. Add them.

Reviewed-by: Alistair Francis <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Tested-by: Alistair Francis <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
---
Changed since v4:
Remove ERR_PROP_CHECK_RETURN usage.
Changed since v1:
Fixed "UARTSs" typo

 hw/arm/xlnx-zynqmp.c         | 24 ++++++++++++++++++++++++
 include/hw/arm/xlnx-zynqmp.h |  3 +++
 2 files changed, 27 insertions(+)

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 456dea0..6b01965 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -36,6 +36,14 @@ static const int gem_intr[XLNX_ZYNQMP_NUM_GEMS] = {
     57, 59, 61, 63,
 };
 
+static const uint64_t uart_addr[XLNX_ZYNQMP_NUM_UARTS] = {
+    0xFF000000, 0xFF010000,
+};
+
+static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
+    21, 22,
+};
+
 typedef struct XlnxZynqMPGICRegion {
     int region_index;
     uint32_t address;
@@ -70,6 +78,11 @@ static void xlnx_zynqmp_init(Object *obj)
         object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM);
         qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default());
     }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
+        object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART);
+        qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
+    }
 }
 
 static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
@@ -162,6 +175,17 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error 
**errp)
         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem[i]), 0,
                            gic_spi[gem_intr[i]]);
     }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
+        object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
+        if (err) {
+            error_propagate((errp), (err));
+            return;
+        }
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, uart_addr[i]);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
+                           gic_spi[uart_intr[i]]);
+    }
 }
 
 static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index c6ccbd8..79c2b0b 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -21,6 +21,7 @@
 #include "hw/arm/arm.h"
 #include "hw/intc/arm_gic.h"
 #include "hw/net/cadence_gem.h"
+#include "hw/char/cadence_uart.h"
 
 #define TYPE_XLNX_ZYNQMP "xlnx,zynqmp"
 #define XLNX_ZYNQMP(obj) OBJECT_CHECK(XlnxZynqMPState, (obj), \
@@ -28,6 +29,7 @@
 
 #define XLNX_ZYNQMP_NUM_CPUS 4
 #define XLNX_ZYNQMP_NUM_GEMS 4
+#define XLNX_ZYNQMP_NUM_UARTS 2
 
 #define XLNX_ZYNQMP_GIC_REGIONS 2
 
@@ -49,6 +51,7 @@ typedef struct XlnxZynqMPState {
     GICState gic;
     MemoryRegion gic_mr[XLNX_ZYNQMP_GIC_REGIONS][XLNX_ZYNQMP_GIC_ALIASES];
     CadenceGEMState gem[XLNX_ZYNQMP_NUM_GEMS];
+    CadenceUARTState uart[XLNX_ZYNQMP_NUM_UARTS];
 }  XlnxZynqMPState;
 
 #define XLNX_ZYNQMP_H
-- 
2.4.0.3.ge0ccc3b.dirty




reply via email to

[Prev in Thread] Current Thread [Next in Thread]