[Qemu-devel] [PATCH v4 5/5] xlnx-ep108: Connect the SPI Flash

[Alistair Francis]

Connect the sst25wf080 SPI flash to the EP108 board.

Signed-off-by: Alistair Francis <address@hidden>
---
V4:
 - Only add one SPI flash
V3:
 - Don't reach into the SoC
V2:
 - Use sst25wf080 instead of m25p80

 hw/arm/xlnx-ep108.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/hw/arm/xlnx-ep108.c b/hw/arm/xlnx-ep108.c
index 2899698..4ead0df 100644
--- a/hw/arm/xlnx-ep108.c
+++ b/hw/arm/xlnx-ep108.c
@@ -33,6 +33,7 @@ static struct arm_boot_info xlnx_ep108_binfo;
 static void xlnx_ep108_init(MachineState *machine)
 {
     XlnxEP108 *s = g_new0(XlnxEP108, 1);
+    int i;
     Error *err = NULL;
 
     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
@@ -60,6 +61,21 @@ static void xlnx_ep108_init(MachineState *machine)
                                          machine->ram_size);
     memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram);
 
+    for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
+        SSIBus *spi_bus;
+        DeviceState *flash_dev;
+        qemu_irq cs_line;
+        char bus_name[6];
+
+        snprintf(bus_name, 6, "spi%d", i);
+        spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
+
+        flash_dev = ssi_create_slave(spi_bus, "sst25wf080");
+        cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
+
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
+    }
+
     xlnx_ep108_binfo.ram_size = machine->ram_size;
     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
-- 
2.5.0