New callback will supply necessary information, for example,
to ACPI SPCR table.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
drivers/serial/ns16550.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index b51b56de9f..226c5daf50 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -334,6 +334,25 @@ static int ns16550_serial_setbrg(struct udevice *dev, int
baudrate)
return 0;
}
+static int ns16550_serial_getinfo(struct udevice *dev,
+ struct serial_device_info *info)
+{
+ struct NS16550 *const com_port = dev_get_priv(dev);
+ struct ns16550_platdata *plat = com_port->plat;
+
+ info->type = SERIAL_CHIP_16550_COMPATIBLE;
+#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
+ info->addr_space = SERIAL_ADDRESS_SPACE_IO;
+#else
+ info->addr_space = SERIAL_ADDRESS_SPACE_MEMORY;
+#endif
+ info->addr = plat->base;
+ info->reg_width = plat->reg_width;
+ info->reg_shift = plat->reg_shift;
+ info->reg_offset = plat->reg_offset;
+ return 0;
+}
+
int ns16550_serial_probe(struct udevice *dev)
{
struct NS16550 *const com_port = dev_get_priv(dev);
@@ -441,6 +460,7 @@ const struct dm_serial_ops ns16550_serial_ops = {
.pending = ns16550_serial_pending,
.getc = ns16550_serial_getc,
.setbrg = ns16550_serial_setbrg,
+ .getinfo = ns16550_serial_getinfo,
};
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
--
2.19.1
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