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[v3,2/2] xlnx-zynqmp: Connect the ZynqMP GDMA and ADMA

Message ID 20180503214201.29082-3-frasse.iglesias@gmail.com
State New
Headers show
Series xlnx-zynqmp: Add emulation of the ZynqMP GDMA and ADMA | expand

Commit Message

Francisco Iglesias May 3, 2018, 9:42 p.m. UTC 
The ZynqMP contains two instances of a generic DMA, the GDMA, located in the
FPD (full power domain), and the ADMA, located in LPD (low power domain).  This
patch adds these two DMAs to the ZynqMP board.

Signed-off-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 hw/arm/xlnx-zynqmp.c         | 53 ++++++++++++++++++++++++++++++++++++++++++++
 include/hw/arm/xlnx-zynqmp.h |  5 +++++
 2 files changed, 58 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 505253e0d2..2045b9d71e 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -90,6 +90,24 @@  static const int spi_intr[XLNX_ZYNQMP_NUM_SPIS] = {
     19, 20,
 };
 
+static const uint64_t gdma_ch_addr[XLNX_ZYNQMP_NUM_GDMA_CH] = {
+    0xFD500000, 0xFD510000, 0xFD520000, 0xFD530000,
+    0xFD540000, 0xFD550000, 0xFD560000, 0xFD570000
+};
+
+static const int gdma_ch_intr[XLNX_ZYNQMP_NUM_GDMA_CH] = {
+    124, 125, 126, 127, 128, 129, 130, 131
+};
+
+static const uint64_t adma_ch_addr[XLNX_ZYNQMP_NUM_ADMA_CH] = {
+    0xFFA80000, 0xFFA90000, 0xFFAA0000, 0xFFAB0000,
+    0xFFAC0000, 0xFFAD0000, 0xFFAE0000, 0xFFAF0000
+};
+
+static const int adma_ch_intr[XLNX_ZYNQMP_NUM_ADMA_CH] = {
+    77, 78, 79, 80, 81, 82, 83, 84
+};
+
 typedef struct XlnxZynqMPGICRegion {
     int region_index;
     uint32_t address;
@@ -197,6 +215,16 @@  static void xlnx_zynqmp_init(Object *obj)
 
     object_initialize(&s->rtc, sizeof(s->rtc), TYPE_XLNX_ZYNQMP_RTC);
     qdev_set_parent_bus(DEVICE(&s->rtc), sysbus_get_default());
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_GDMA_CH; i++) {
+        object_initialize(&s->gdma[i], sizeof(s->gdma[i]), TYPE_XLNX_ZDMA);
+        qdev_set_parent_bus(DEVICE(&s->gdma[i]), sysbus_get_default());
+    }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_ADMA_CH; i++) {
+        object_initialize(&s->adma[i], sizeof(s->adma[i]), TYPE_XLNX_ZDMA);
+        qdev_set_parent_bus(DEVICE(&s->adma[i]), sysbus_get_default());
+    }
 }
 
 static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
@@ -492,6 +520,31 @@  static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
     }
     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, RTC_ADDR);
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0, gic_spi[RTC_IRQ]);
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_GDMA_CH; i++) {
+        object_property_set_uint(OBJECT(&s->gdma[i]), 128, "bus-width", &err);
+        object_property_set_bool(OBJECT(&s->gdma[i]), true, "realized", &err);
+        if (err) {
+            error_propagate(errp, err);
+            return;
+        }
+
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->gdma[i]), 0, gdma_ch_addr[i]);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gdma[i]), 0,
+                           gic_spi[gdma_ch_intr[i]]);
+    }
+
+    for (i = 0; i < XLNX_ZYNQMP_NUM_ADMA_CH; i++) {
+        object_property_set_bool(OBJECT(&s->adma[i]), true, "realized", &err);
+        if (err) {
+            error_propagate(errp, err);
+            return;
+        }
+
+        sysbus_mmio_map(SYS_BUS_DEVICE(&s->adma[i]), 0, adma_ch_addr[i]);
+        sysbus_connect_irq(SYS_BUS_DEVICE(&s->adma[i]), 0,
+                           gic_spi[adma_ch_intr[i]]);
+    }
 }
 
 static Property xlnx_zynqmp_props[] = {
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index 3b613e364d..82b6ec2486 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -27,6 +27,7 @@ 
 #include "hw/sd/sdhci.h"
 #include "hw/ssi/xilinx_spips.h"
 #include "hw/dma/xlnx_dpdma.h"
+#include "hw/dma/xlnx-zdma.h"
 #include "hw/display/xlnx_dp.h"
 #include "hw/intc/xlnx-zynqmp-ipi.h"
 #include "hw/timer/xlnx-zynqmp-rtc.h"
@@ -41,6 +42,8 @@ 
 #define XLNX_ZYNQMP_NUM_UARTS 2
 #define XLNX_ZYNQMP_NUM_SDHCI 2
 #define XLNX_ZYNQMP_NUM_SPIS 2
+#define XLNX_ZYNQMP_NUM_GDMA_CH 8
+#define XLNX_ZYNQMP_NUM_ADMA_CH 8
 
 #define XLNX_ZYNQMP_NUM_QSPI_BUS 2
 #define XLNX_ZYNQMP_NUM_QSPI_BUS_CS 2
@@ -94,6 +97,8 @@  typedef struct XlnxZynqMPState {
     XlnxDPDMAState dpdma;
     XlnxZynqMPIPI ipi;
     XlnxZynqMPRTC rtc;
+    XlnxZDMA gdma[XLNX_ZYNQMP_NUM_GDMA_CH];
+    XlnxZDMA adma[XLNX_ZYNQMP_NUM_ADMA_CH];
 
     char *boot_cpu;
     ARMCPU *boot_cpu_ptr;