1 files changed, 43 insertions, 0 deletions

diff --git a/recipes-devtools/qemu/qemu-zynqmp-mainline/0013-arm-xilinx-zynq-mp-generic-Add-external-RAM.patch b/recipes-devtools/qemu/qemu-zynqmp-mainline/0013-arm-xilinx-zynq-mp-generic-Add-external-RAM.patch
new file mode 100644
index 00000000..0af560de
--- /dev/null
+++ b/recipes-devtools/qemu/qemu-zynqmp-mainline/0013-arm-xilinx-zynq-mp-generic-Add-external-RAM.patch
@@ -0,0 +1,43 @@
+From 0b155ff9a1e19f2b4ed4324e822285d3a667f02a Mon Sep 17 00:00:00 2001
+From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
+Date: Mon, 23 Feb 2015 15:04:53 -0800
+Subject: [PATCH 13/15] arm: xilinx-zynq-mp-generic: Add external RAM
+
+Zynq MPSoC supports external DDR RAM. Add a RAM at 0 to the model.
+
+Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
+---
+ hw/arm/xlnx-zynq-mp-generic.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/hw/arm/xlnx-zynq-mp-generic.c b/hw/arm/xlnx-zynq-mp-generic.c
+index ff69b07..7394e82 100644
+--- a/hw/arm/xlnx-zynq-mp-generic.c
++++ b/hw/arm/xlnx-zynq-mp-generic.c
+@@ -18,9 +18,11 @@
+ #include "hw/arm/xlnx-zynq-mp.h"
+ #include "hw/boards.h"
+ #include "qemu/error-report.h"
++#include "exec/address-spaces.h"
+ 
+ typedef struct XlnxZynqMPGeneric {
+     XlnxZynqMPState soc;
++    MemoryRegion ddr_ram;
+ } XlnxZynqMPGeneric;
+ 
+ static void xlnx_zynq_mp_generic_init(MachineState *machine)
+@@ -36,6 +38,11 @@ static void xlnx_zynq_mp_generic_init(MachineState *machine)
+         error_report("%s", error_get_pretty(err));
+         exit(1);
+     }
++
++    memory_region_init_ram(&s->ddr_ram, NULL, "ddr-ram", machine->ram_size,
++                           &error_abort);
++    vmstate_register_ram_global(&s->ddr_ram);
++    memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram);
+ }
+ 
+ static QEMUMachine xlnx_zynq_mp_generic_machine = {
+-- 
+2.1.1
+