diff options
Diffstat (limited to 'hw/arm/xlnx-versal.c')
| -rw-r--r-- | hw/arm/xlnx-versal.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 4da656318f..3b59621956 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -24,6 +24,8 @@ #include "qemu/log.h" #include "target/arm/cpu-qom.h" #include "target/arm/gtimer.h" +#include "system/device_tree.h" +#include "hw/arm/fdt.h" #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72") #define XLNX_VERSAL_RCPU_TYPE ARM_CPU_TYPE_NAME("cortex-r5f") @@ -919,11 +921,33 @@ static void versal_unimp(Versal *s) gpio_in); } +static uint32_t fdt_add_clk_node(Versal *s, const char *name, + unsigned int freq_hz) +{ + uint32_t phandle; + + phandle = qemu_fdt_alloc_phandle(s->cfg.fdt); + + qemu_fdt_add_subnode(s->cfg.fdt, name); + qemu_fdt_setprop_cell(s->cfg.fdt, name, "phandle", phandle); + qemu_fdt_setprop_cell(s->cfg.fdt, name, "clock-frequency", freq_hz); + qemu_fdt_setprop_cell(s->cfg.fdt, name, "#clock-cells", 0x0); + qemu_fdt_setprop_string(s->cfg.fdt, name, "compatible", "fixed-clock"); + qemu_fdt_setprop(s->cfg.fdt, name, "u-boot,dm-pre-reloc", NULL, 0); + + return phandle; +} + static void versal_realize(DeviceState *dev, Error **errp) { Versal *s = XLNX_VERSAL_BASE(dev); qemu_irq pic[XLNX_VERSAL_NR_IRQS]; + g_assert(s->cfg.fdt != NULL); + + s->phandle.clk_25mhz = fdt_add_clk_node(s, "/clk25", 25 * 1000 * 1000); + s->phandle.clk_125mhz = fdt_add_clk_node(s, "/clk125", 125 * 1000 * 1000); + versal_create_apu_cpus(s); versal_create_apu_gic(s, pic); versal_create_rpu_cpus(s); |