hw/arm/xlnx-versal: ocm: refactor creation

Refactor the OCM creation using the VersalMap structure.

Signed-off-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250926070806.292065-28-luc.michel@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 16 insertions, 4 deletions

diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index e89c66313c..8aa82ceb83 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -73,6 +73,11 @@ typedef struct VersalSimplePeriphMap {
     int irq;
 } VersalSimplePeriphMap;
 
+typedef struct VersalMemMap {
+    uint64_t addr;
+    uint64_t size;
+} VersalMemMap;
+
 typedef struct VersalGicMap {
     int version;
     uint64_t dist;
@@ -108,6 +113,8 @@ typedef struct VersalCpuClusterMap {
 } VersalCpuClusterMap;
 
 typedef struct VersalMap {
+    VersalMemMap ocm;
+
     VersalCpuClusterMap apu;
     VersalCpuClusterMap rpu;
 
@@ -207,6 +214,11 @@ typedef struct VersalMap {
 } VersalMap;
 
 static const VersalMap VERSAL_MAP = {
+    .ocm = {
+        .addr = 0xfffc0000,
+        .size = 0x40000,
+    },
+
     .apu = {
         .name = "apu",
         .cpu_model = ARM_CPU_TYPE_NAME("cortex-a72"),
@@ -1608,6 +1620,7 @@ static void versal_realize(DeviceState *dev, Error **errp)
 {
     Versal *s = XLNX_VERSAL_BASE(dev);
     DeviceState *slcr, *ospi;
+    MemoryRegion *ocm;
     Object *container;
     const VersalMap *map = versal_get_map(s);
     size_t i;
@@ -1683,10 +1696,9 @@ static void versal_realize(DeviceState *dev, Error **errp)
     versal_unimp(s);
 
     /* Create the On Chip Memory (OCM).  */
-    memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
-                           MM_OCM_SIZE, &error_fatal);
-
-    memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
+    ocm = g_new(MemoryRegion, 1);
+    memory_region_init_ram(ocm, OBJECT(s), "ocm", map->ocm.size, &error_fatal);
+    memory_region_add_subregion_overlap(&s->mr_ps, map->ocm.addr, ocm, 0);
 }
 
 DeviceState *versal_get_boot_cpu(Versal *s)