hw/arm: versal: Generate xlnx-versal-virt zdma FDT nodes

Generate xlnx-versal-virt zdma FDT nodes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index e7f4ca8bf9..878a275140 100644
--- a/hw/arm/xlnx-versal-virt.c
+++ b/hw/arm/xlnx-versal-virt.c
@@ -229,6 +229,33 @@ static void fdt_add_gem_nodes(VersalVirt *s)
     }
 }
 
+static void fdt_add_zdma_nodes(VersalVirt *s)
+{
+    const char clocknames[] = "clk_main\0clk_apb";
+    const char compat[] = "xlnx,zynqmp-dma-1.0";
+    int i;
+
+    for (i = XLNX_VERSAL_NR_ADMAS - 1; i >= 0; i--) {
+        uint64_t addr = MM_ADMA_CH0 + MM_ADMA_CH0_SIZE * i;
+        char *name = g_strdup_printf("/dma@%" PRIx64, addr);
+
+        qemu_fdt_add_subnode(s->fdt, name);
+
+        qemu_fdt_setprop_cell(s->fdt, name, "xlnx,bus-width", 64);
+        qemu_fdt_setprop_cells(s->fdt, name, "clocks",
+                               s->phandle.clk_25Mhz, s->phandle.clk_25Mhz);
+        qemu_fdt_setprop(s->fdt, name, "clock-names",
+                         clocknames, sizeof(clocknames));
+        qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
+                               GIC_FDT_IRQ_TYPE_SPI, VERSAL_ADMA_IRQ_0 + i,
+                               GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+        qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+                                     2, addr, 2, 0x1000);
+        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;
@@ -427,6 +454,7 @@ static void versal_virt_init(MachineState *machine)
     fdt_add_uart_nodes(s);
     fdt_add_gic_nodes(s);
     fdt_add_timer_nodes(s);
+    fdt_add_zdma_nodes(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);