From: Cédric Le Goater <c...@kaod.org>
Signed-off-by: Cédric Le Goater <c...@kaod.org>
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
hw/ppc/pnv.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 8ab5bb1..dfa21e4 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -323,6 +323,37 @@ static void powernv_populate_rtc(ISADevice *d, void *fdt,
int lpc_off)
_FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
}
+static void powernv_populate_serial(ISADevice *d, void *fdt, int lpc_off)
+{
+ const char compatible[] = "ns16550\0pnpPNP,501";
+ uint32_t io_base = d->ioport_id;
+ uint32_t io_regs[] = {
+ cpu_to_be32(1),
+ cpu_to_be32(io_base),
+ cpu_to_be32(8)
+ };
+ char *name;
+ int node;
+
+ name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
+ node = fdt_add_subnode(fdt, lpc_off, name);
+ _FDT(node);
+ g_free(name);
+
+ _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
+ _FDT((fdt_setprop(fdt, node, "compatible", compatible,
+ sizeof(compatible))));
+
+ _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
+ _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
+ _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0])));
+ _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
+ fdt_get_phandle(fdt, lpc_off))));
+
+ /* This is needed by Linux */
+ _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
+}
+
typedef struct ForeachPopulateArgs {
void *fdt;
int offset;
@@ -335,6 +366,8 @@ static int powernv_populate_isa_device(DeviceState *dev,
void *opaque)
if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
powernv_populate_rtc(d, args->fdt, args->offset);
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
+ powernv_populate_serial(d, args->fdt, args->offset);
} else {
error_report("unknown isa device %s@i%x", qdev_fw_name(dev),
d->ioport_id);
--
2.9.3
