aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/arm/xlnx-zynqmp.c15
-rw-r--r--include/hw/arm/xlnx-zynqmp.h6
2 files changed, 21 insertions, 0 deletions
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 62ef4ceb32..388baef76e 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -101,6 +101,21 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
qemu_irq gic_spi[GIC_NUM_SPI_INTR];
Error *err = NULL;
+ /* Create the four OCM banks */
+ for (i = 0; i < XLNX_ZYNQMP_NUM_OCM_BANKS; i++) {
+ char *ocm_name = g_strdup_printf("zynqmp.ocm_ram_bank_%d", i);
+
+ memory_region_init_ram(&s->ocm_ram[i], NULL, ocm_name,
+ XLNX_ZYNQMP_OCM_RAM_SIZE, &error_abort);
+ vmstate_register_ram_global(&s->ocm_ram[i]);
+ memory_region_add_subregion(get_system_memory(),
+ XLNX_ZYNQMP_OCM_RAM_0_ADDRESS +
+ i * XLNX_ZYNQMP_OCM_RAM_SIZE,
+ &s->ocm_ram[i]);
+
+ g_free(ocm_name);
+ }
+
qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS);
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index c379632f2a..6ccb57b187 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -32,6 +32,10 @@
#define XLNX_ZYNQMP_NUM_GEMS 4
#define XLNX_ZYNQMP_NUM_UARTS 2
+#define XLNX_ZYNQMP_NUM_OCM_BANKS 4
+#define XLNX_ZYNQMP_OCM_RAM_0_ADDRESS 0xFFFC0000
+#define XLNX_ZYNQMP_OCM_RAM_SIZE 0x10000
+
#define XLNX_ZYNQMP_GIC_REGIONS 2
/* ZynqMP maps the ARM GIC regions (GICC, GICD ...) at consecutive 64k offsets
@@ -52,6 +56,8 @@ typedef struct XlnxZynqMPState {
ARMCPU rpu_cpu[XLNX_ZYNQMP_NUM_RPU_CPUS];
GICState gic;
MemoryRegion gic_mr[XLNX_ZYNQMP_GIC_REGIONS][XLNX_ZYNQMP_GIC_ALIASES];
+ MemoryRegion ocm_ram[XLNX_ZYNQMP_NUM_OCM_BANKS];
+
CadenceGEMState gem[XLNX_ZYNQMP_NUM_GEMS];
CadenceUARTState uart[XLNX_ZYNQMP_NUM_UARTS];