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authorAlistair Francis <alistair.francis@xilinx.com>2015-08-25 15:45:06 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-08-25 15:45:06 +0100
commit6675d719154969456e841a7e1729c0dc14113a44 (patch)
tree6a4c730d5cc5ab7b194dce4aaa0101aef539bc3f
parent34a4450434f1a5daee06fca223afcbb9c8f1ee24 (diff)
xlnx-zynqmp: Connect the four OCM banks
The Xilinx EP108 has four separate OCM banks which are located adjacent to each other. This patch adds the four banks to the ZynqMP SoC. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: afa6ba31163a5d541a0bef4b0dc11f2597e0c495.1436813543.git.alistair.francis@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-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];