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[Qemu-devel] [RFC PATCH 11/11] zynqmp: add reference clock
From: |
fred . konrad |
Subject: |
[Qemu-devel] [RFC PATCH 11/11] zynqmp: add reference clock |
Date: |
Mon, 13 Jun 2016 18:27:39 +0200 |
From: KONRAD Frederic <address@hidden>
This adds some fixed reference clock to the zynqmp platform.
They will feed the zynqmp_crf block.
Signed-off-by: KONRAD Frederic <address@hidden>
---
hw/arm/xlnx-zynqmp.c | 42 ++++++++++++++++++++++++++++++++++++++++++
include/hw/arm/xlnx-zynqmp.h | 6 ++++++
2 files changed, 48 insertions(+)
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index a8b7669..68f924f 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -22,6 +22,7 @@
#include "hw/arm/xlnx-zynqmp.h"
#include "hw/intc/arm_gic_common.h"
#include "exec/address-spaces.h"
+#include "qemu/qemu-clock.h"
#define GIC_NUM_SPI_INTR 160
@@ -140,6 +141,22 @@ static void xlnx_zynqmp_init(Object *obj)
qdev_set_parent_bus(DEVICE(s->crf), sysbus_get_default());
object_property_add_child(obj, "xlnx.zynqmp_crf", OBJECT(s->crf),
&error_abort);
+
+ s->pss_ref_clk = object_new(TYPE_FIXED_CLOCK);
+ object_property_add_child(obj, "pss_ref_clk", s->pss_ref_clk,
+ &error_abort);
+ object_property_set_int(s->pss_ref_clk, 50000000, "rate", &error_abort);
+ s->video_clk = object_new(TYPE_FIXED_CLOCK);
+ object_property_add_child(obj, "video_clk", s->video_clk, &error_abort);
+ object_property_set_int(s->video_clk, 27000000, "rate", &error_abort);
+ s->pss_alt_ref_clk = object_new(TYPE_FIXED_CLOCK);
+ object_property_add_child(obj, "pss_alt_ref_clk", s->pss_alt_ref_clk,
+ &error_abort);
+ s->aux_refclk = object_new(TYPE_FIXED_CLOCK);
+ object_property_add_child(obj, "aux_refclk", s->aux_refclk, &error_abort);
+ s->gt_crx_ref_clk = object_new(TYPE_FIXED_CLOCK);
+ object_property_add_child(obj, "gt_crx_ref_clk", s->gt_crx_ref_clk,
+ &error_abort);
}
static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
@@ -373,6 +390,31 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error
**errp)
}
sysbus_mmio_map(SYS_BUS_DEVICE(s->crf), 0, 0xFD1A0000);
+
+ /* Bound the clock */
+ qemu_clk_bound_clock(qemu_clk_get_pin(DEVICE(s->pss_ref_clk), "clk_out"),
+ qemu_clk_get_pin(DEVICE(s->crf), "pss_ref_clk"));
+
+ qemu_clk_bound_clock(qemu_clk_get_pin(DEVICE(s->video_clk), "clk_out"),
+ qemu_clk_get_pin(DEVICE(s->crf), "video_clk"));
+
+ qemu_clk_bound_clock(qemu_clk_get_pin(DEVICE(s->pss_alt_ref_clk),
+ "clk_out"),
+ qemu_clk_get_pin(DEVICE(s->crf), "pss_alt_ref_clk"));
+
+ qemu_clk_bound_clock(qemu_clk_get_pin(DEVICE(s->aux_refclk), "clk_out"),
+ qemu_clk_get_pin(DEVICE(s->crf), "aux_refclk"));
+
+ qemu_clk_bound_clock(qemu_clk_get_pin(DEVICE(s->gt_crx_ref_clk),
+ "clk_out"),
+ qemu_clk_get_pin(DEVICE(s->crf), "gt_crx_ref_clk"));
+
+ object_property_set_bool(s->crf, true, "realized", &err);
+ object_property_set_bool(s->pss_ref_clk, true, "realized", &err);
+ object_property_set_bool(s->video_clk, true, "realized", &err);
+ object_property_set_bool(s->pss_alt_ref_clk, true, "realized", &err);
+ object_property_set_bool(s->aux_refclk, true, "realized", &err);
+ object_property_set_bool(s->gt_crx_ref_clk, true, "realized", &err);
}
static Property xlnx_zynqmp_props[] = {
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index 78fed6e..536e4a1 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -26,6 +26,7 @@
#include "hw/ide/ahci.h"
#include "hw/sd/sdhci.h"
#include "hw/ssi/xilinx_spips.h"
+#include "hw/misc/fixed-clock.h"
#define TYPE_XLNX_ZYNQMP "xlnx,zynqmp"
#define XLNX_ZYNQMP(obj) OBJECT_CHECK(XlnxZynqMPState, (obj), \
@@ -81,6 +82,11 @@ typedef struct XlnxZynqMPState {
SysbusAHCIState sata;
SDHCIState sdhci[XLNX_ZYNQMP_NUM_SDHCI];
XilinxSPIPS spi[XLNX_ZYNQMP_NUM_SPIS];
+ Object *pss_ref_clk;
+ Object *video_clk;
+ Object *pss_alt_ref_clk;
+ Object *aux_refclk;
+ Object *gt_crx_ref_clk;
Object *crf;
char *boot_cpu;
--
2.5.5
- [Qemu-devel] [RFC PATCH 01/11] qemu-clk: introduce qemu-clk qom object, (continued)
- [Qemu-devel] [RFC PATCH 01/11] qemu-clk: introduce qemu-clk qom object, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 06/11] introduce fixed-clock, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 04/11] qdev-monitor: print the device's clock with info qtree, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 05/11] docs: add qemu-clock documentation, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 02/11] qemu-clk: allow to attach a clock to a device, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 08/11] zynqmp_crf: fix against AF_EX32 changes, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 07/11] introduce zynqmp_crf, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 03/11] qemu-clk: allow to bound two clocks together, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 10/11] zynqmp: add the zynqmp_crf to the platform, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 09/11] zynqmp_crf: add the clock mechanism, fred . konrad, 2016/06/13
- [Qemu-devel] [RFC PATCH 11/11] zynqmp: add reference clock,
fred . konrad <=