omap: Wire up the DMA request line to the GPMC

Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/omap.h

@@ -119,7 +119,8 @@ void omap_sdrc_reset(struct omap_sdrc_s *s);
 /* OMAP2 general purpose memory controller */
 struct omap_gpmc_s;
 struct omap_gpmc_s *omap_gpmc_init(struct omap_mpu_state_s *mpu,
-                                   target_phys_addr_t base, qemu_irq irq);
+                                   target_phys_addr_t base,
+                                   qemu_irq irq, qemu_irq drq);
 void omap_gpmc_reset(struct omap_gpmc_s *s);
 void omap_gpmc_attach(struct omap_gpmc_s *s, int cs, MemoryRegion *iomem);
 void omap_gpmc_attach_nand(struct omap_gpmc_s *s, int cs, DeviceState *nand);

hw/omap2.c

@@ -2402,7 +2402,8 @@ struct omap_mpu_state_s *omap2420_mpu_init(unsigned long sdram_size,
     sysbus_mmio_map(busdev, 4, omap_l4_region_base(ta, 5));
 
     s->sdrc = omap_sdrc_init(0x68009000);
-    s->gpmc = omap_gpmc_init(s, 0x6800a000, s->irq[0][OMAP_INT_24XX_GPMC_IRQ]);
+    s->gpmc = omap_gpmc_init(s, 0x6800a000, s->irq[0][OMAP_INT_24XX_GPMC_IRQ],
+                             s->drq[OMAP24XX_DMA_GPMC]);
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {

hw/omap_gpmc.c

@@ -27,6 +27,7 @@
 /* General-Purpose Memory Controller */
 struct omap_gpmc_s {
     qemu_irq irq;
+    qemu_irq drq;
     MemoryRegion iomem;
     int accept_256;
 
@@ -564,7 +565,8 @@ static const MemoryRegionOps omap_gpmc_ops = {
 };
 
 struct omap_gpmc_s *omap_gpmc_init(struct omap_mpu_state_s *mpu,
-                                   target_phys_addr_t base, qemu_irq irq)
+                                   target_phys_addr_t base,
+                                   qemu_irq irq, qemu_irq drq)
 {
     int cs;
     struct omap_gpmc_s *s = (struct omap_gpmc_s *)
@@ -574,6 +576,7 @@ struct omap_gpmc_s *omap_gpmc_init(struct omap_mpu_state_s *mpu,
     memory_region_add_subregion(get_system_memory(), base, &s->iomem);
 
     s->irq = irq;
+    s->drq = drq;
     s->accept_256 = cpu_is_omap3630(mpu);
     s->revision = cpu_class_omap3(mpu) ? 0x50 : 0x20;
     omap_gpmc_reset(s);