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[PULL,06/36] xlnx-ep108: Connect the SPI Flash

Message ID 1453388189-13092-7-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Jan. 21, 2016, 2:55 p.m. UTC 
From: Alistair Francis <alistair.francis@xilinx.com>

Connect the sst25wf080 SPI flash to the EP108 board.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
[PMM: free string when finished with it]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/xlnx-ep108.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/hw/arm/xlnx-ep108.c b/hw/arm/xlnx-ep108.c
index c9414e6..2cd69b5 100644
--- a/hw/arm/xlnx-ep108.c
+++ b/hw/arm/xlnx-ep108.c
@@ -31,6 +31,7 @@  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;
     uint64_t ram_size = machine->ram_size;
 
@@ -63,6 +64,21 @@  static void xlnx_ep108_init(MachineState *machine)
         exit(1);
     }
 
+    for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
+        SSIBus *spi_bus;
+        DeviceState *flash_dev;
+        qemu_irq cs_line;
+        gchar *bus_name = g_strdup_printf("spi%d", i);
+
+        spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
+        g_free(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 = ram_size;
     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;