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[target-arm,v4,09/12] arm/xilinx_zynq: Implement CBAR initialisation

Message ID 56b608027c6add7421fedb4f502069957c5a5f02.1386726228.git.peter.crosthwaite@xilinx.com
State New
Headers show

Commit Message

Peter Crosthwaite Dec. 11, 2013, 2:58 a.m. UTC 
Fix the CBAR initialisation by using the newly defined static property.
Zynq will now correctly init the CBAR to the SCU base address.

Needed to boot Linux on the xilinx_zynq machine model.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
changed since v1:
use error report rather than fprintf(stderr
rename SCU_BASE_ADDR to MPCORE_PERIPHBASE

 hw/arm/xilinx_zynq.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 1c954a3..17251c7 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -36,6 +36,8 @@ 
 
 #define IRQ_OFFSET 32 /* pic interrupts start from index 32 */
 
+#define MPCORE_PERIPHBASE 0xF8F00000
+
 static const int dma_irqs[8] = {
     46, 47, 48, 49, 72, 73, 74, 75
 };
@@ -122,6 +124,11 @@  static void zynq_init(QEMUMachineInitArgs *args)
 
     cpu = ARM_CPU(object_new(object_class_get_name(cpu_oc)));
 
+    object_property_set_int(OBJECT(cpu), MPCORE_PERIPHBASE, "reset-cbar", &err);
+    if (err) {
+        error_report("%s", error_get_pretty(err));
+        exit(1);
+    }
     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
     if (err) {
         error_report("%s", error_get_pretty(err));
@@ -160,7 +167,7 @@  static void zynq_init(QEMUMachineInitArgs *args)
     qdev_prop_set_uint32(dev, "num-cpu", 1);
     qdev_init_nofail(dev);
     busdev = SYS_BUS_DEVICE(dev);
-    sysbus_mmio_map(busdev, 0, 0xF8F00000);
+    sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
     sysbus_connect_irq(busdev, 0,
                        qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));