Added spi controller to the reference design, with a single cs line and a
m25p80 style spi-flash connected
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwa...@petalogix.com>
---
hw/petalogix_ml605_mmu.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/hw/petalogix_ml605_mmu.c b/hw/petalogix_ml605_mmu.c
index 31a4348..b2359a8 100644
--- a/hw/petalogix_ml605_mmu.c
+++ b/hw/petalogix_ml605_mmu.c
@@ -36,6 +36,7 @@
#include "blockdev.h"
#include "pc.h"
#include "exec-memory.h"
+#include "spi.h"
#include "microblaze_boot.h"
#include "microblaze_pic_cpu.h"
@@ -75,6 +76,7 @@ petalogix_ml605_init(ram_addr_t ram_size,
{
MemoryRegion *address_space_mem = get_system_memory();
DeviceState *dev;
+ SysBusDevice *busdev;
CPUMBState *env;
DriveInfo *dinfo;
int i;
@@ -131,6 +133,23 @@ petalogix_ml605_init(ram_addr_t ram_size,
irq[1], irq[0], 100 * 1000000);
}
+ {
+ spi_bus *spi;
+
+ dev = qdev_create(NULL, "xilinx,spi");
+ qdev_prop_set_uint8(dev, "num-cs", 1);
+ qdev_init_nofail(dev);
+ busdev = sysbus_from_qdev(dev);
+ sysbus_mmio_map(busdev, 0, 0x40a00000);
+ sysbus_connect_irq(busdev, 0, irq[6]);
+
+ spi = FROM_QBUS(spi_bus, qdev_get_child_bus(dev, "spi"));
+
+ dev = qdev_create(NULL, "m25p80");
+ qdev_init_nofail(dev);
+ spi_attach_slave(spi, SPI_SLAVE(dev), 0);
+ }
+
microblaze_load_kernel(env, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
machine_cpu_reset);
--
1.7.3.2
