On Mon, Apr 27, 2020 at 11:28 AM Edgar E. Iglesias
<edgar.igles...@gmail.com> wrote:
>
> From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com>
>
> Add support for the RTC.
>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> 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 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);
> --
> 2.20.1
>
>
