@@ -36,6 +36,7 @@
#include "qom/object.h"
#include "net/can_emu.h"
#include "hw/dma/xlnx_csu_dma.h"
+#include "hw/nvram/xlnx-bbram.h"
#define TYPE_XLNX_ZYNQMP "xlnx-zynqmp"
OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPState, XLNX_ZYNQMP)
@@ -100,6 +101,7 @@ struct XlnxZynqMPState {
MemoryRegion *ddr_ram;
MemoryRegion ddr_ram_low, ddr_ram_high;
+ XlnxBBRam bbram;
MemoryRegion mr_unimp[XLNX_ZYNQMP_NUM_UNIMP_AREAS];
@@ -98,6 +98,18 @@ static void zcu102_modify_dtb(const struct arm_boot_info *binfo, void *fdt)
}
}
+static void bbram_attach_drive(XlnxBBRam *dev)
+{
+ DriveInfo *dinfo;
+ BlockBackend *blk;
+
+ dinfo = drive_get_by_index(IF_PFLASH, 2);
+ 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);
@@ -136,6 +148,9 @@ static void xlnx_zcu102_init(MachineState *machine)
qdev_realize(DEVICE(&s->soc), NULL, &error_fatal);
+ /* Attach bbram backend, if given */
+ bbram_attach_drive(&s->soc.bbram);
+
/* Create and plug in the SD cards */
for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
BusState *bus;
@@ -66,6 +66,9 @@
#define RTC_ADDR 0xffa60000
#define RTC_IRQ 26
+#define BBRAM_ADDR 0xffcd0000
+#define BBRAM_IRQ 11
+
#define SDHCI_CAPABILITIES 0x280737ec6481 /* Datasheet: UG1085 (v1.7) */
static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
@@ -226,6 +229,22 @@ static void xlnx_zynqmp_create_rpu(MachineState *ms, XlnxZynqMPState *s,
qdev_realize(DEVICE(&s->rpu_cluster), NULL, &error_fatal);
}
+static void xlnx_zynqmp_create_bbram(XlnxZynqMPState *s, qemu_irq *gic)
+{
+ SysBusDevice *sbd;
+
+ object_initialize_child_with_props(OBJECT(s), "bbram", &s->bbram,
+ sizeof(s->bbram), TYPE_XLNX_BBRAM,
+ &error_fatal,
+ "crc-zpads", "1",
+ NULL);
+ sbd = SYS_BUS_DEVICE(&s->bbram);
+
+ sysbus_realize(sbd, &error_fatal);
+ sysbus_mmio_map(sbd, 0, BBRAM_ADDR);
+ sysbus_connect_irq(sbd, 0, gic[BBRAM_IRQ]);
+}
+
static void xlnx_zynqmp_create_unimp_mmio(XlnxZynqMPState *s)
{
static const struct UnimpInfo {
@@ -626,6 +645,7 @@ 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]);
+ xlnx_zynqmp_create_bbram(s, gic_spi);
xlnx_zynqmp_create_unimp_mmio(s);
for (i = 0; i < XLNX_ZYNQMP_NUM_GDMA_CH; i++) {
@@ -81,3 +81,4 @@ config XLNX_ZYNQMP
select REGISTER
select CAN_BUS
select PTIMER
+ select XLNX_BBRAM