hw/microblaze: s3adsp1800: Create an unimplemented GPIO area

Create an unimplemented GPIO area instead of leaving it unassigned.

Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c
index 5cf7b84c7956ee1b16d70ca641115979ed0bc4fb..b9f0b0d06e621f2c91055df840a2e73b25c8c15f 100644 (file)
--- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
+++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
@@ -35,6 +35,7 @@
 #include "sysemu/sysemu.h"
 #include "hw/devices.h"
 #include "hw/boards.h"
+#include "hw/misc/unimp.h"
 #include "exec/address-spaces.h"
 #include "hw/char/xilinx_uartlite.h"
 
@@ -47,6 +48,7 @@
 
 #define MEMORY_BASEADDR 0x90000000
 #define FLASH_BASEADDR 0xa0000000
+#define GPIO_BASEADDR 0x81400000
 #define INTC_BASEADDR 0x81800000
 #define TIMER_BASEADDR 0x83c00000
 #define UARTLITE_BASEADDR 0x84000000
@@ -122,6 +124,8 @@ petalogix_s3adsp1800_init(MachineState *machine)
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, ETHLITE_BASEADDR);
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[ETHLITE_IRQ]);
 
+    create_unimplemented_device("gpio", GPIO_BASEADDR, 0x10000);
+
     microblaze_load_kernel(cpu, ddr_base, ram_size,
                            machine->initrd_filename,
                            BINARY_DEVICE_TREE_FILE,