diff --git a/sys/dev/uart/uart_bus_pci.c b/sys/dev/uart/uart_bus_pci.c
index 123ee3e26829..707b82dc078b 100644
--- a/sys/dev/uart/uart_bus_pci.c
+++ b/sys/dev/uart/uart_bus_pci.c
@@ -1,258 +1,266 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 2006 Marcel Moolenaar All rights reserved.
  * Copyright (c) 2001 M. Warner Losh <imp@FreeBSD.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bus.h>
 #include <sys/conf.h>
 #include <sys/kernel.h>
 #include <sys/module.h>
 #include <machine/bus.h>
 #include <sys/rman.h>
 #include <machine/resource.h>
 
 #include <dev/pci/pcivar.h>
 
 #include <dev/uart/uart.h>
 #include <dev/uart/uart_bus.h>
 
 #define	DEFAULT_RCLK	1843200
 
 static int uart_pci_probe(device_t dev);
 static int uart_pci_attach(device_t dev);
 static int uart_pci_detach(device_t dev);
 
 static device_method_t uart_pci_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_probe,		uart_pci_probe),
 	DEVMETHOD(device_attach,	uart_pci_attach),
 	DEVMETHOD(device_detach,	uart_pci_detach),
 	DEVMETHOD(device_resume,	uart_bus_resume),
 	DEVMETHOD_END
 };
 
 static driver_t uart_pci_driver = {
 	uart_driver_name,
 	uart_pci_methods,
 	sizeof(struct uart_softc),
 };
 
 struct pci_id {
 	uint16_t	vendor;
 	uint16_t	device;
 	uint16_t	subven;
 	uint16_t	subdev;
 	const char	*desc;
 	int		rid;
 	int		rclk;
 	int		regshft;
 };
 
 static const struct pci_id pci_ns8250_ids[] = {
 { 0x1028, 0x0008, 0xffff, 0, "Dell Remote Access Card III", 0x14,
 	128 * DEFAULT_RCLK },
 { 0x1028, 0x0012, 0xffff, 0, "Dell RAC 4 Daughter Card Virtual UART", 0x14,
 	128 * DEFAULT_RCLK },
 { 0x1033, 0x0074, 0x1033, 0x8014, "NEC RCV56ACF 56k Voice Modem", 0x10 },
 { 0x1033, 0x007d, 0x1033, 0x8012, "NEC RS232C", 0x10 },
 { 0x103c, 0x1048, 0x103c, 0x1227, "HP Diva Serial [GSP] UART - Powerbar SP2",
 	0x10 },
 { 0x103c, 0x1048, 0x103c, 0x1301, "HP Diva RMP3", 0x14 },
 { 0x103c, 0x1290, 0xffff, 0, "HP Auxiliary Diva Serial Port", 0x18 },
 { 0x103c, 0x3301, 0xffff, 0, "HP iLO serial port", 0x10 },
 { 0x11c1, 0x0480, 0xffff, 0, "Agere Systems Venus Modem (V90, 56KFlex)", 0x14 },
 { 0x115d, 0x0103, 0xffff, 0, "Xircom Cardbus Ethernet + 56k Modem", 0x10 },
 { 0x125b, 0x9100, 0xa000, 0x1000,
 	"ASIX AX99100 PCIe 1/2/3/4-port RS-232/422/485", 0x10 },
 { 0x1282, 0x6585, 0xffff, 0, "Davicom 56PDV PCI Modem", 0x10 },
 { 0x12b9, 0x1008, 0xffff, 0, "3Com 56K FaxModem Model 5610", 0x10 },
 { 0x131f, 0x1000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x18 },
 { 0x131f, 0x1001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x18 },
 { 0x131f, 0x1002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x18 },
 { 0x131f, 0x2000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x10 },
 { 0x131f, 0x2001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x10 },
 { 0x131f, 0x2002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x10 },
 { 0x135c, 0x0190, 0xffff, 0, "Quatech SSCLP-100", 0x18 },
 { 0x135c, 0x01c0, 0xffff, 0, "Quatech SSCLP-200/300", 0x18 },
 { 0x135e, 0x7101, 0xffff, 0, "Sealevel Systems Single Port RS-232/422/485/530",
 	0x18 },
 { 0x1407, 0x0110, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port A", 0x10 },
 { 0x1407, 0x0111, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port B", 0x10 },
 { 0x1407, 0x0510, 0xffff, 0, "Lava SP Serial 550 PCI", 0x10 },
 { 0x1409, 0x7168, 0x1409, 0x4025, "Timedia Technology Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x1409, 0x7168, 0x1409, 0x4027, "Timedia Technology Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x1409, 0x7168, 0x1409, 0x4028, "Timedia Technology Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x1409, 0x7168, 0x1409, 0x5025, "Timedia Technology Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x1409, 0x7168, 0x1409, 0x5027, "Timedia Technology Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 UART",
 	0x10, 16384000 },
 { 0x1415, 0xc120, 0xffff, 0, "Oxford Semiconductor OXPCIe952 PCIe 16950 UART",
 	0x10 },
 { 0x14e4, 0x160a, 0xffff, 0, "Broadcom TruManage UART", 0x10,
 	128 * DEFAULT_RCLK, 2},
 { 0x14e4, 0x4344, 0xffff, 0, "Sony Ericsson GC89 PC Card", 0x10},
 { 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 },
 { 0x1d0f, 0x8250, 0x0000, 0, "Amazon PCI serial device", 0x10 },
 { 0x1d0f, 0x8250, 0x1d0f, 0, "Amazon PCI serial device", 0x10 },
 { 0x1fd4, 0x1999, 0x1fd4, 0x0001, "Sunix SER5xxxx Serial Port", 0x10,
 	8 * DEFAULT_RCLK },
 { 0x8086, 0x0f0a, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#1", 0x10,
 	24 * DEFAULT_RCLK, 2 },
 { 0x8086, 0x0f0c, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#2", 0x10,
 	24 * DEFAULT_RCLK, 2 },
 { 0x8086, 0x108f, 0xffff, 0, "Intel AMT - SOL", 0x10 },
 { 0x8086, 0x19d8, 0xffff, 0, "Intel Denverton UART", 0x10 },
 { 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 },
 { 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller",
 	0x10 },
 { 0x8086, 0x1e3d, 0xffff, 0, "Intel Panther Point KT Controller", 0x10 },
 { 0x8086, 0x228a, 0xffff, 0, "Intel Cherryview SIO HSUART#1", 0x10,
 	24 * DEFAULT_RCLK, 2 },
 { 0x8086, 0x228c, 0xffff, 0, "Intel Cherryview SIO HSUART#2", 0x10,
 	24 * DEFAULT_RCLK, 2 },
 { 0x8086, 0x2a07, 0xffff, 0, "Intel AMT - PM965/GM965 KT Controller", 0x10 },
 { 0x8086, 0x2a47, 0xffff, 0, "Mobile 4 Series Chipset KT Controller", 0x10 },
 { 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 },
 { 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller",
 	0x10 },
+{ 0x8086, 0x5abc, 0xffff, 0, "Intel Apollo Lake SIO/LPSS UART 0", 0x10,
+	24 * DEFAULT_RCLK, 2 },
+{ 0x8086, 0x5abe, 0xffff, 0, "Intel Apollo Lake SIO/LPSS UART 1", 0x10,
+	24 * DEFAULT_RCLK, 2 },
+{ 0x8086, 0x5ac0, 0xffff, 0, "Intel Apollo Lake SIO/LPSS UART 2", 0x10,
+	24 * DEFAULT_RCLK, 2 },
+{ 0x8086, 0x5aee, 0xffff, 0, "Intel Apollo Lake SIO/LPSS UART 3", 0x10,
+	24 * DEFAULT_RCLK, 2 },
 { 0x8086, 0x8811, 0xffff, 0, "Intel EG20T Serial Port 0", 0x10 },
 { 0x8086, 0x8812, 0xffff, 0, "Intel EG20T Serial Port 1", 0x10 },
 { 0x8086, 0x8813, 0xffff, 0, "Intel EG20T Serial Port 2", 0x10 },
 { 0x8086, 0x8814, 0xffff, 0, "Intel EG20T Serial Port 3", 0x10 },
 { 0x8086, 0x8c3d, 0xffff, 0, "Intel Lynx Point KT Controller", 0x10 },
 { 0x8086, 0x8cbd, 0xffff, 0, "Intel Wildcat Point KT Controller", 0x10 },
 { 0x8086, 0x9c3d, 0xffff, 0, "Intel Lynx Point-LP HECI KT", 0x10 },
 { 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 },
 { 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 },
 { 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 },
 { 0x9710, 0x9900, 0xa000, 0x1000,
 	"MosChip MCS9900 PCIe to Peripheral Controller", 0x10 },
 { 0x9710, 0x9901, 0xa000, 0x1000,
 	"MosChip MCS9901 PCIe to Peripheral Controller", 0x10 },
 { 0x9710, 0x9904, 0xa000, 0x1000,
 	"MosChip MCS9904 PCIe to Peripheral Controller", 0x10 },
 { 0x9710, 0x9922, 0xa000, 0x1000,
 	"MosChip MCS9922 PCIe to Peripheral Controller", 0x10 },
 { 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 },
 { 0xffff, 0, 0xffff, 0, NULL, 0, 0}
 };
 
 const static struct pci_id *
 uart_pci_match(device_t dev, const struct pci_id *id)
 {
 	uint16_t device, subdev, subven, vendor;
 
 	vendor = pci_get_vendor(dev);
 	device = pci_get_device(dev);
 	while (id->vendor != 0xffff &&
 	    (id->vendor != vendor || id->device != device))
 		id++;
 	if (id->vendor == 0xffff)
 		return (NULL);
 	if (id->subven == 0xffff)
 		return (id);
 	subven = pci_get_subvendor(dev);
 	subdev = pci_get_subdevice(dev);
 	while (id->vendor == vendor && id->device == device &&
 	    (id->subven != subven || id->subdev != subdev))
 		id++;
 	return ((id->vendor == vendor && id->device == device) ? id : NULL);
 }
 
 static int
 uart_pci_probe(device_t dev)
 {
 	struct uart_softc *sc;
 	const struct pci_id *id;
 	int result;
 
 	sc = device_get_softc(dev);
 
 	id = uart_pci_match(dev, pci_ns8250_ids);
 	if (id != NULL) {
 		sc->sc_class = &uart_ns8250_class;
 		goto match;
 	}
 	/* Add checks for non-ns8250 IDs here. */
 	return (ENXIO);
 
  match:
 	result = uart_bus_probe(dev, id->regshft, 0, id->rclk, id->rid, 0, 0);
 	/* Bail out on error. */
 	if (result > 0)
 		return (result);
 	/* Set/override the device description. */
 	if (id->desc)
 		device_set_desc(dev, id->desc);
 	return (result);
 }
 
 static int
 uart_pci_attach(device_t dev)
 {
 	struct uart_softc *sc;
 	int count;
 
 	sc = device_get_softc(dev);
 
 	/*
 	 * Use MSI in preference to legacy IRQ if available. However, experience
 	 * suggests this is only reliable when one MSI vector is advertised.
 	 */
 	if (pci_msi_count(dev) == 1) {
 		count = 1;
 		if (pci_alloc_msi(dev, &count) == 0) {
 			sc->sc_irid = 1;
 			device_printf(dev, "Using %d MSI message\n", count);
 		}
 	}
 
 	return (uart_bus_attach(dev));
 }
 
 static int
 uart_pci_detach(device_t dev)
 {
 	struct uart_softc *sc;
 
 	sc = device_get_softc(dev);
 
 	if (sc->sc_irid != 0)
 		pci_release_msi(dev);
 
 	return (uart_bus_detach(dev));
 }
 
 DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, NULL, NULL);