[PATCH v1 1/2] hw/arm: versal: Add support for the LPD ADMAs

[Edgar E. Iglesias]

From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com>

Add support for the Versal LPD ADMAs.

Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
---
 hw/arm/xlnx-versal.c         | 24 ++++++++++++++++++++++++
 include/hw/arm/xlnx-versal.h |  6 ++++++
 2 files changed, 30 insertions(+)

diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index 1cf3daaf4f..f9beba07ed 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -193,6 +193,29 @@ static void versal_create_gems(Versal *s, qemu_irq *pic)
     }
 }
 
+static void versal_create_admas(Versal *s, qemu_irq *pic)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
+        char *name = g_strdup_printf("adma%d", i);
+        DeviceState *dev;
+        MemoryRegion *mr;
+
+        dev = qdev_create(NULL, "xlnx.zdma");
+        s->lpd.iou.adma[i] = SYS_BUS_DEVICE(dev);
+        object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
+        qdev_init_nofail(dev);
+
+        mr = sysbus_mmio_get_region(s->lpd.iou.adma[i], 0);
+        memory_region_add_subregion(&s->mr_ps,
+                                    MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
+
+        sysbus_connect_irq(s->lpd.iou.adma[i], 0, pic[VERSAL_ADMA_IRQ_0 + i]);
+        g_free(name);
+    }
+}
+
 /* This takes the board allocated linear DDR memory and creates aliases
  * for each split DDR range/aperture on the Versal address map.
  */
@@ -274,6 +297,7 @@ static void versal_realize(DeviceState *dev, Error **errp)
     versal_create_apu_gic(s, pic);
     versal_create_uarts(s, pic);
     versal_create_gems(s, pic);
+    versal_create_admas(s, pic);
     versal_map_ddr(s);
     versal_unimp(s);
 
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
index d844c4ffe4..6c0a692b2f 100644
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -22,6 +22,7 @@
 #define XLNX_VERSAL_NR_ACPUS   2
 #define XLNX_VERSAL_NR_UARTS   2
 #define XLNX_VERSAL_NR_GEMS    2
+#define XLNX_VERSAL_NR_ADMAS   8
 #define XLNX_VERSAL_NR_IRQS    192
 
 typedef struct Versal {
@@ -50,6 +51,7 @@ typedef struct Versal {
         struct {
             SysBusDevice *uart[XLNX_VERSAL_NR_UARTS];
             SysBusDevice *gem[XLNX_VERSAL_NR_GEMS];
+            SysBusDevice *adma[XLNX_VERSAL_NR_ADMAS];
         } iou;
     } lpd;
 
@@ -74,6 +76,7 @@ typedef struct Versal {
 #define VERSAL_GEM0_WAKE_IRQ_0     57
 #define VERSAL_GEM1_IRQ_0          58
 #define VERSAL_GEM1_WAKE_IRQ_0     59
+#define VERSAL_ADMA_IRQ_0          60
 
 /* Architecturally reserved IRQs suitable for virtualization.  */
 #define VERSAL_RSVD_IRQ_FIRST 111
@@ -96,6 +99,9 @@ typedef struct Versal {
 #define MM_GEM1                     0xff0d0000U
 #define MM_GEM1_SIZE                0x10000
 
+#define MM_ADMA_CH0                 0xffa80000U
+#define MM_ADMA_CH0_SIZE            0x10000
+
 #define MM_OCM                      0xfffc0000U
 #define MM_OCM_SIZE                 0x40000
 
-- 
2.20.1