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>
---
 include/hw/arm/xlnx-versal.h |  4 ----
 hw/arm/xlnx-versal.c         | 20 ++++++++++++++++----
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
index 0a91ec7ae36..e1d6e545495 100644
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -46,14 +46,10 @@ struct Versal {
     struct {
         /* 4 ranges to access DDR.  */
         MemoryRegion mr_ddr_ranges[4];
     } noc;
 
-    struct {
-        MemoryRegion mr_ocm;
-    } lpd;
-
     struct {
         uint32_t clk_25mhz;
         uint32_t clk_125mhz;
         uint32_t gic;
     } phandle;
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index 54d4b28c7b7..207d55c062a 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -71,10 +71,15 @@ FIELD(VERSAL_IRQ, OR_IDX, 19, 4) /* input index on the IRQ OR gate */
 typedef struct VersalSimplePeriphMap {
     uint64_t addr;
     int irq;
 } VersalSimplePeriphMap;
 
+typedef struct VersalMemMap {
+    uint64_t addr;
+    uint64_t size;
+} VersalMemMap;
+
 typedef struct VersalGicMap {
     int version;
     uint64_t dist;
     uint64_t redist;
     uint64_t cpu_iface;
@@ -106,10 +111,12 @@ typedef struct VersalCpuClusterMap {
 
     enum StartPoweredOffMode start_powered_off;
 } VersalCpuClusterMap;
 
 typedef struct VersalMap {
+    VersalMemMap ocm;
+
     VersalCpuClusterMap apu;
     VersalCpuClusterMap rpu;
 
     VersalSimplePeriphMap uart[2];
     size_t num_uart;
@@ -205,10 +212,15 @@ typedef struct VersalMap {
         int irq_num;
     } reserved;
 } VersalMap;
 
 static const VersalMap VERSAL_MAP = {
+    .ocm = {
+        .addr = 0xfffc0000,
+        .size = 0x40000,
+    },
+
     .apu = {
         .name = "apu",
         .cpu_model = ARM_CPU_TYPE_NAME("cortex-a72"),
         .num_cluster = 1,
         .num_core = 2,
@@ -1606,10 +1618,11 @@ static uint32_t fdt_add_clk_node(Versal *s, const char *name,
 
 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;
 
     if (s->cfg.fdt == NULL) {
@@ -1685,14 +1698,13 @@ static void versal_realize(DeviceState *dev, Error **errp)
 
     versal_map_ddr(s);
     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)
 {
     return DEVICE(versal_get_child_idx(s, "apu-cluster/apu", 0));
-- 
2.50.1