summaryrefslogtreecommitdiff
path: root/hw/arm
diff options
context:
space:
mode:
authorEdgar E. Iglesias <edgar.iglesias@xilinx.com>2020-04-27 20:16:49 +0200
committerPeter Maydell <peter.maydell@linaro.org>2020-05-04 11:11:28 +0100
commit2aca5284b14b7f3bedec7c59e7cc68da26944585 (patch)
treededa4c52b096c7cf84462e5b270c3930a0eb38ff /hw/arm
parent3afec85c2e635d1ee06ef2884f13602db733cd5a (diff)
downloadqemu-2aca5284b14b7f3bedec7c59e7cc68da26944585.zip
hw/arm: versal-virt: Add support for the RTC
Add support for the RTC. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Luc Michel <luc.michel@greensocs.com> Message-id: 20200427181649.26851-12-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
-rw-r--r--hw/arm/xlnx-versal-virt.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index 0afee48672..7e749e1926 100644
--- a/hw/arm/xlnx-versal-virt.c
+++ b/hw/arm/xlnx-versal-virt.c
@@ -283,6 +283,27 @@ static void fdt_add_sd_nodes(VersalVirt *s)
}
}
+static void fdt_add_rtc_node(VersalVirt *s)
+{
+ const char compat[] = "xlnx,zynqmp-rtc";
+ const char interrupt_names[] = "alarm\0sec";
+ char *name = g_strdup_printf("/rtc@%x", MM_PMC_RTC);
+
+ qemu_fdt_add_subnode(s->fdt, name);
+
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
+ GIC_FDT_IRQ_TYPE_SPI, VERSAL_RTC_ALARM_IRQ,
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI,
+ GIC_FDT_IRQ_TYPE_SPI, VERSAL_RTC_SECONDS_IRQ,
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+ qemu_fdt_setprop(s->fdt, name, "interrupt-names",
+ interrupt_names, sizeof(interrupt_names));
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+ 2, MM_PMC_RTC, 2, MM_PMC_RTC_SIZE);
+ qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat));
+ g_free(name);
+}
+
static void fdt_nop_memory_nodes(void *fdt, Error **errp)
{
Error *err = NULL;
@@ -496,6 +517,7 @@ static void versal_virt_init(MachineState *machine)
fdt_add_timer_nodes(s);
fdt_add_zdma_nodes(s);
fdt_add_sd_nodes(s);
+ fdt_add_rtc_node(s);
fdt_add_cpu_nodes(s, psci_conduit);
fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz);
fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz);