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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 19/39] hw/arm: versal-virt: Add support for the RTC
Date: Mon, 4 May 2020 13:32:49 +0100
Message-Id: <20200504123309.3808-20-peter.maydell@linaro.org>
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From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
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>
---
hw/arm/xlnx-versal-virt.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index 0afee48672a..7e749e19267 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)
}
}
=20
+static void fdt_add_rtc_node(VersalVirt *s)
+{
+ const char compat[] =3D "xlnx,zynqmp-rtc";
+ const char interrupt_names[] =3D "alarm\0sec";
+ char *name =3D 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 =3D 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);
--=20
2.20.1