aboutsummaryrefslogtreecommitdiff
path: root/hw/arm
diff options
context:
space:
mode:
Diffstat (limited to 'hw/arm')
-rw-r--r--hw/arm/xlnx-zcu102.c15
-rw-r--r--hw/arm/xlnx-zynqmp.c29
2 files changed, 44 insertions, 0 deletions
diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
index b247c5779b..3dc2b5e8ca 100644
--- a/hw/arm/xlnx-zcu102.c
+++ b/hw/arm/xlnx-zcu102.c
@@ -110,6 +110,18 @@ static void bbram_attach_drive(XlnxBBRam *dev)
}
}
+static void efuse_attach_drive(XlnxEFuse *dev)
+{
+ DriveInfo *dinfo;
+ BlockBackend *blk;
+
+ dinfo = drive_get_by_index(IF_PFLASH, 3);
+ blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL;
+ if (blk) {
+ qdev_prop_set_drive(DEVICE(dev), "drive", blk);
+ }
+}
+
static void xlnx_zcu102_init(MachineState *machine)
{
XlnxZCU102 *s = ZCU102_MACHINE(machine);
@@ -151,6 +163,9 @@ static void xlnx_zcu102_init(MachineState *machine)
/* Attach bbram backend, if given */
bbram_attach_drive(&s->soc.bbram);
+ /* Attach efuse backend, if given */
+ efuse_attach_drive(&s->soc.efuse);
+
/* Create and plug in the SD cards */
for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
BusState *bus;
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 1e8e2ddcc2..1c52a575aa 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -69,6 +69,9 @@
#define BBRAM_ADDR 0xffcd0000
#define BBRAM_IRQ 11
+#define EFUSE_ADDR 0xffcc0000
+#define EFUSE_IRQ 87
+
#define SDHCI_CAPABILITIES 0x280737ec6481 /* Datasheet: UG1085 (v1.7) */
static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
@@ -245,6 +248,31 @@ static void xlnx_zynqmp_create_bbram(XlnxZynqMPState *s, qemu_irq *gic)
sysbus_connect_irq(sbd, 0, gic[BBRAM_IRQ]);
}
+static void xlnx_zynqmp_create_efuse(XlnxZynqMPState *s, qemu_irq *gic)
+{
+ Object *bits = OBJECT(&s->efuse);
+ Object *ctrl = OBJECT(&s->efuse_ctrl);
+ SysBusDevice *sbd;
+
+ object_initialize_child(OBJECT(s), "efuse-ctrl", &s->efuse_ctrl,
+ TYPE_XLNX_ZYNQMP_EFUSE);
+
+ object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
+ sizeof(s->efuse),
+ TYPE_XLNX_EFUSE, &error_abort,
+ "efuse-nr", "3",
+ "efuse-size", "2048",
+ NULL);
+
+ qdev_realize(DEVICE(bits), NULL, &error_abort);
+ object_property_set_link(ctrl, "efuse", bits, &error_abort);
+
+ sbd = SYS_BUS_DEVICE(ctrl);
+ sysbus_realize(sbd, &error_abort);
+ sysbus_mmio_map(sbd, 0, EFUSE_ADDR);
+ sysbus_connect_irq(sbd, 0, gic[EFUSE_IRQ]);
+}
+
static void xlnx_zynqmp_create_unimp_mmio(XlnxZynqMPState *s)
{
static const struct UnimpInfo {
@@ -646,6 +674,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0, gic_spi[RTC_IRQ]);
xlnx_zynqmp_create_bbram(s, gic_spi);
+ xlnx_zynqmp_create_efuse(s, gic_spi);
xlnx_zynqmp_create_unimp_mmio(s);
for (i = 0; i < XLNX_ZYNQMP_NUM_GDMA_CH; i++) {