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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>
This commit is contained in:
Edgar E. Iglesias 2020-04-27 20:16:49 +02:00 committed by Peter Maydell
parent 3afec85c2e
commit 2aca5284b1
1 changed files with 22 additions and 0 deletions
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22
hw/arm/xlnx-versal-virt.c
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@ -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);