[PATCH v4 2/4] xlnx-zynqmp: Connect Xilinx ZynqMP CAN controllers

From: Vikram Garhwal <fnu.vikram@xilinx.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Vikram Garhwal <fnu.vikram@xilinx.com>,
	Alistair Francis <alistair@alistair23.me>,
	francisco.iglesias@xilinx.com,
	"open list:Xilinx ZynqMP" <qemu-arm@nongnu.org>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Subject: [PATCH v4 2/4] xlnx-zynqmp: Connect Xilinx ZynqMP CAN controllers
Date: Tue, 12 May 2020 13:15:50 -0700	[thread overview]
Message-ID: <1589314552-1375-3-git-send-email-fnu.vikram@xilinx.com> (raw)
In-Reply-To: <1589314552-1375-1-git-send-email-fnu.vikram@xilinx.com>

Connect CAN0 and CAN1 on the ZynqMP.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com>
---
 hw/arm/xlnx-zynqmp.c         | 26 ++++++++++++++++++++++++++
 include/hw/arm/xlnx-zynqmp.h |  3 +++
 2 files changed, 29 insertions(+)

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index b84d153..e5f0d9f 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -81,6 +81,14 @@ static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
     21, 22,
 };
 
+static const uint64_t can_addr[XLNX_ZYNQMP_NUM_CAN] = {
+    0xFF060000, 0xFF070000,
+};
+
+static const int can_intr[XLNX_ZYNQMP_NUM_CAN] = {
+    23, 24,
+};
+
 static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = {
     0xFF160000, 0xFF170000,
 };
@@ -254,6 +262,11 @@ static void xlnx_zynqmp_init(Object *obj)
                               TYPE_CADENCE_UART);
     }
 
+    for (i = 0; i < XLNX_ZYNQMP_NUM_CAN; i++) {
+        sysbus_init_child_obj(obj, "can[*]", &s->can[i], sizeof(s->can[i]),
+                              TYPE_XLNX_ZYNQMP_CAN);
+    }
+
     sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata),
                           TYPE_SYSBUS_AHCI);
 
@@ -508,6 +521,19 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
                            gic_spi[uart_intr[i]]);
     }
 
+    for (i = 0; i < XLNX_ZYNQMP_NUM_CAN; i++) {
+        object_property_set_int(OBJECT(&s->can[i]), i, "ctrl-idx",
+                                &error_abort);
+        object_property_set_bool(OBJECT(&s->can[i]), true, "realized", &err);
+        if (err) {
+            error_propagate(errp, err);
+            return;
+        }
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->can[i]), 0, can_addr[i]);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->can[i]), 0,
+                           gic_spi[can_intr[i]]);
+    }
+
     object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports",
                             &error_abort);
     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index 53076fa..5b32e98 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -22,6 +22,7 @@
 #include "hw/intc/arm_gic.h"
 #include "hw/net/cadence_gem.h"
 #include "hw/char/cadence_uart.h"
+#include "hw/net/xlnx-zynqmp-can.h"
 #include "hw/ide/ahci.h"
 #include "hw/sd/sdhci.h"
 #include "hw/ssi/xilinx_spips.h"
@@ -41,6 +42,7 @@
 #define XLNX_ZYNQMP_NUM_RPU_CPUS 2
 #define XLNX_ZYNQMP_NUM_GEMS 4
 #define XLNX_ZYNQMP_NUM_UARTS 2
+#define XLNX_ZYNQMP_NUM_CAN 2
 #define XLNX_ZYNQMP_NUM_SDHCI 2
 #define XLNX_ZYNQMP_NUM_SPIS 2
 #define XLNX_ZYNQMP_NUM_GDMA_CH 8
@@ -92,6 +94,7 @@ typedef struct XlnxZynqMPState {
 
     CadenceGEMState gem[XLNX_ZYNQMP_NUM_GEMS];
     CadenceUARTState uart[XLNX_ZYNQMP_NUM_UARTS];
+    XlnxZynqMPCANState can[XLNX_ZYNQMP_NUM_CAN];
     SysbusAHCIState sata;
     SDHCIState sdhci[XLNX_ZYNQMP_NUM_SDHCI];
     XilinxSPIPS spi[XLNX_ZYNQMP_NUM_SPIS];
-- 
2.7.4


