[PATCH v2 11/14] hw/arm/mps2: Add SPI devices

[Philippe Mathieu-Daudé]

>From 'Application Note AN385', chapter 3.9, SPI:

  The SMM implements five PL022 SPI modules.

Two pairs of modules share the same OR-gated IRQ.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/arm/mps2.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c
index e106123225..daa26f68d7 100644
--- a/hw/arm/mps2.c
+++ b/hw/arm/mps2.c
@@ -39,6 +39,7 @@
 #include "hw/timer/cmsdk-apb-dualtimer.h"
 #include "hw/misc/mps2-scc.h"
 #include "hw/misc/mps2-fpgaio.h"
+#include "hw/ssi/pl022.h"
 #include "hw/net/lan9118.h"
 #include "net/net.h"
 #include "hw/watchdog/cmsdk-apb-watchdog.h"
@@ -341,6 +342,29 @@ static void mps2_common_init(MachineState *machine)
     qdev_prop_set_uint32(DEVICE(&mms->fpgaio), "prescale-clk", 25000000);
     sysbus_realize(SYS_BUS_DEVICE(&mms->fpgaio), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(&mms->fpgaio), 0, 0x40028000);
+    sysbus_create_simple(TYPE_PL022, 0x40025000,        /* External ADC */
+                         qdev_get_gpio_in(armv7m, 22));
+    for (i = 0; i < 2; i++) {
+        static const int spi_irqno[] = {11, 24};
+        static const hwaddr spibase[] = {0x40020000,    /* APB */
+                                         0x40021000,    /* LCD */
+                                         0x40026000,    /* Shield0 */
+                                         0x40027000};   /* Shield1 */
+        DeviceState *orgate_dev;
+        Object *orgate;
+        int j;
+
+        orgate = object_new(TYPE_OR_IRQ);
+        object_property_set_int(orgate, 2, "num-lines", &error_fatal);
+        orgate_dev = DEVICE(orgate);
+        qdev_realize(orgate_dev, NULL, &error_fatal);
+        qdev_connect_gpio_out(orgate_dev, 0,
+                              qdev_get_gpio_in(armv7m, spi_irqno[i]));
+        for (j = 0; j < 2; j++) {
+            sysbus_create_simple(TYPE_PL022, spibase[2 * i + j],
+                                 qdev_get_gpio_in(orgate_dev, j));
+        }
+    }
 
     /* In hardware this is a LAN9220; the LAN9118 is software compatible
      * except that it doesn't support the checksum-offload feature.
-- 
2.21.3