xref: /openbmc/u-boot/drivers/serial/Kconfig (revision e7ab6dfc)
1#
2# Serial device configuration
3#
4
5menu "Serial drivers"
6
7config BAUDRATE
8	int "Default baudrate"
9	default 115200
10	help
11	  Select a default baudrate, where "default" has a driver-specific
12	  meaning of either setting the baudrate for the early debug UART
13	  in the SPL stage (most drivers) or for choosing a default baudrate
14	  in the absence of an environment setting (serial_mxc.c).
15
16config REQUIRE_SERIAL_CONSOLE
17	bool "Require a serial port for console"
18	# Running without a serial console is not supported by the
19	# non-dm serial code
20	depends on DM_SERIAL
21	default y
22	help
23	  Require a serial port for the console, and panic if none is found
24	  during serial port initialization (default y). Set this to n on
25	  boards which have no debug serial port whatsoever.
26
27config SPECIFY_CONSOLE_INDEX
28	bool "Specify the port number used for console"
29	default y if !DM_SERIAL || (SPL && !SPL_DM_SERIAL) || \
30		(TPL && !TPL_DM_SERIAL)
31	help
32	  In various cases, we need to specify which of the UART devices that
33	  a board or SoC has available are to be used for the console device
34	  in U-Boot.
35
36config SERIAL_PRESENT
37	bool "Provide a serial driver"
38	depends on DM_SERIAL
39	default y
40	help
41	  In very space-constrained devices even the full UART driver is too
42	  large. In this case the debug UART can still be used in some cases.
43	  This option enables the full UART in U-Boot, so if is it disabled,
44	  the full UART driver will be omitted, thus saving space.
45
46config SPL_SERIAL_PRESENT
47	bool "Provide a serial driver in SPL"
48	depends on DM_SERIAL
49	default y
50	help
51	  In very space-constrained devices even the full UART driver is too
52	  large. In this case the debug UART can still be used in some cases.
53	  This option enables the full UART in SPL, so if is it disabled,
54	  the full UART driver will be omitted, thus saving space.
55
56config TPL_SERIAL_PRESENT
57	bool "Provide a serial driver in TPL"
58	depends on DM_SERIAL
59	default y
60	help
61	  In very space-constrained devices even the full UART driver is too
62	  large. In this case the debug UART can still be used in some cases.
63	  This option enables the full UART in TPL, so if is it disabled,
64	  the full UART driver will be omitted, thus saving space.
65
66# Logic to allow us to use the imply keyword to set what the default port
67# should be.  The default is otherwise 1.
68config CONS_INDEX_0
69	bool
70
71config CONS_INDEX_2
72	bool
73
74config CONS_INDEX_3
75	bool
76
77config CONS_INDEX_4
78	bool
79
80config CONS_INDEX_5
81	bool
82
83config CONS_INDEX_6
84	bool
85
86config CONS_INDEX
87	int "UART used for console"
88	depends on SPECIFY_CONSOLE_INDEX
89	range 0 6
90	default 0 if CONS_INDEX_0
91	default 2 if CONS_INDEX_2
92	default 3 if CONS_INDEX_3
93	default 4 if CONS_INDEX_4
94	default 5 if CONS_INDEX_5
95	default 6 if CONS_INDEX_6
96	default 1
97	help
98	  Set this to match the UART number of the serial console.
99
100config DM_SERIAL
101	bool "Enable Driver Model for serial drivers"
102	depends on DM
103	help
104	  Enable driver model for serial. This replaces
105	  drivers/serial/serial.c with the serial uclass, which
106	  implements serial_putc() etc. The uclass interface is
107	  defined in include/serial.h.
108
109config SERIAL_RX_BUFFER
110	bool "Enable RX buffer for serial input"
111	depends on DM_SERIAL
112	help
113	  Enable RX buffer support for the serial driver. This enables
114	  pasting longer strings, even when the RX FIFO of the UART is
115	  not big enough (e.g. 16 bytes on the normal NS16550).
116
117config SERIAL_RX_BUFFER_SIZE
118	int "RX buffer size"
119	depends on SERIAL_RX_BUFFER
120	default 256
121	help
122	  The size of the RX buffer (needs to be power of 2)
123
124config SERIAL_SEARCH_ALL
125	bool "Search for serial devices after default one failed"
126	depends on DM_SERIAL
127	help
128	  The serial subsystem only searches for a single serial device
129	  that was instantiated, but does not check whether it was probed
130	  correctly. With this option set, we make successful probing
131	  mandatory and search for fallback serial devices if the default
132	  device does not work.
133
134	  If unsure, say N.
135
136config SPL_DM_SERIAL
137	bool "Enable Driver Model for serial drivers in SPL"
138	depends on DM_SERIAL && SPL_DM
139	default y
140	help
141	  Enable driver model for serial in SPL. This replaces
142	  drivers/serial/serial.c with the serial uclass, which
143	  implements serial_putc() etc. The uclass interface is
144	  defined in include/serial.h.
145
146config TPL_DM_SERIAL
147	bool "Enable Driver Model for serial drivers in TPL"
148	depends on DM_SERIAL
149	default y if TPL && DM_SERIAL
150	help
151	  Enable driver model for serial in TPL. This replaces
152	  drivers/serial/serial.c with the serial uclass, which
153	  implements serial_putc() etc. The uclass interface is
154	  defined in include/serial.h.
155
156config DEBUG_UART
157	bool "Enable an early debug UART for debugging"
158	help
159	  The debug UART is intended for use very early in U-Boot to debug
160	  problems when an ICE or other debug mechanism is not available.
161
162	  To use it you should:
163	  - Make sure your UART supports this interface
164	  - Enable CONFIG_DEBUG_UART
165	  - Enable the CONFIG for your UART to tell it to provide this interface
166	        (e.g. CONFIG_DEBUG_UART_NS16550)
167	  - Define the required settings as needed (see below)
168	  - Call debug_uart_init() before use
169	  - Call debug_uart_putc() to output a character
170
171	  Depending on your platform it may be possible to use this UART before
172	  a stack is available.
173
174	  If your UART does not support this interface you can probably add
175	  support quite easily. Remember that you cannot use driver model and
176	  it is preferred to use no stack.
177
178	  You must not use this UART once driver model is working and the
179	  serial drivers are up and running (done in serial_init()). Otherwise
180	  the drivers may conflict and you will get strange output.
181
182choice
183	prompt "Select which UART will provide the debug UART"
184	depends on DEBUG_UART
185	default DEBUG_UART_NS16550
186
187config DEBUG_UART_ALTERA_JTAGUART
188	bool "Altera JTAG UART"
189	help
190	  Select this to enable a debug UART using the altera_jtag_uart driver.
191	  You will need to provide parameters to make this work. The driver will
192	  be available until the real driver model serial is running.
193
194config DEBUG_UART_ALTERA_UART
195	bool "Altera UART"
196	help
197	  Select this to enable a debug UART using the altera_uart driver.
198	  You will need to provide parameters to make this work. The driver will
199	  be available until the real driver model serial is running.
200
201config DEBUG_UART_AR933X
202	bool "QCA/Atheros ar933x"
203	depends on AR933X_UART
204	help
205	  Select this to enable a debug UART using the ar933x uart driver.
206	  You will need to provide parameters to make this work. The
207	  driver will be available until the real driver model serial is
208	  running.
209
210config DEBUG_ARC_SERIAL
211	bool "ARC UART"
212	depends on ARC_SERIAL
213	help
214	  Select this to enable a debug UART using the ARC UART driver.
215	  You will need to provide parameters to make this work. The
216	  driver will be available until the real driver model serial is
217	  running.
218
219config DEBUG_UART_ATMEL
220	bool "Atmel USART"
221	help
222	  Select this to enable a debug UART using the atmel usart driver. You
223	  will need to provide parameters to make this work. The driver will
224	  be available until the real driver-model serial is running.
225
226config DEBUG_UART_BCM6345
227	bool "BCM6345 UART"
228	depends on BCM6345_SERIAL
229	help
230	  Select this to enable a debug UART on BCM6345 SoCs. You
231	  will need to provide parameters to make this work. The driver will
232	  be available until the real driver model serial is running.
233
234config DEBUG_UART_NS16550
235	bool "ns16550"
236	help
237	  Select this to enable a debug UART using the ns16550 driver. You
238	  will need to provide parameters to make this work. The driver will
239	  be available until the real driver model serial is running.
240
241config DEBUG_EFI_CONSOLE
242	bool "EFI"
243	depends on EFI_APP
244	help
245	  Select this to enable a debug console which calls back to EFI to
246	  output to the console. This can be useful for early debugging of
247	  U-Boot when running on top of EFI (Extensive Firmware Interface).
248	  This is a type of BIOS used by PCs.
249
250config DEBUG_UART_S5P
251	bool "Samsung S5P"
252	help
253	  Select this to enable a debug UART using the serial_s5p driver. You
254	  will need to provide parameters to make this work. The driver will
255	  be available until the real driver-model serial is running.
256
257config DEBUG_UART_MESON
258	bool "Amlogic Meson"
259	depends on MESON_SERIAL
260	help
261	  Select this to enable a debug UART using the serial_meson driver. You
262	  will need to provide parameters to make this work. The driver will
263	  be available until the real driver-model serial is running.
264
265config DEBUG_UART_UARTLITE
266	bool "Xilinx Uartlite"
267	help
268	  Select this to enable a debug UART using the serial_uartlite driver.
269	  You will need to provide parameters to make this work. The driver will
270	  be available until the real driver-model serial is running.
271
272config DEBUG_UART_ARM_DCC
273	bool "ARM DCC"
274	help
275	  Select this to enable a debug UART using the ARM JTAG DCC port.
276	  The DCC port can be used for very early debugging and doesn't require
277	  any additional setting like address/baudrate/clock. On systems without
278	  any serial interface this is the easiest way how to get console.
279	  Every ARM core has own DCC port which is the part of debug interface.
280	  This port is available at least on ARMv6, ARMv7, ARMv8 and XScale
281	  architectures.
282
283config DEBUG_MVEBU_A3700_UART
284	bool "Marvell Armada 3700"
285	help
286	  Select this to enable a debug UART using the serial_mvebu driver. You
287	  will need to provide parameters to make this work. The driver will
288	  be available until the real driver-model serial is running.
289
290config DEBUG_UART_ZYNQ
291	bool "Xilinx Zynq"
292	help
293	  Select this to enable a debug UART using the serial_zynq driver. You
294	  will need to provide parameters to make this work. The driver will
295	  be available until the real driver-model serial is running.
296
297config DEBUG_UART_APBUART
298	depends on LEON3
299	bool "Gaisler APBUART"
300	help
301	  Select this to enable a debug UART using the serial_leon3 driver. You
302	  will need to provide parameters to make this work. The driver will
303	  be available until the real driver model serial is running.
304
305config DEBUG_UART_PL010
306	bool "pl010"
307	help
308	  Select this to enable a debug UART using the pl01x driver with the
309	  PL010 UART type. You will need to provide parameters to make this
310	  work. The driver will be available until the real driver model
311	  serial is running.
312
313config DEBUG_UART_PL011
314	bool "pl011"
315	help
316	  Select this to enable a debug UART using the pl01x driver with the
317	  PL011 UART type. You will need to provide parameters to make this
318	  work. The driver will be available until the real driver model
319	  serial is running.
320
321config DEBUG_UART_PIC32
322	bool "Microchip PIC32"
323	depends on PIC32_SERIAL
324	help
325	  Select this to enable a debug UART using the serial_pic32 driver. You
326	  will need to provide parameters to make this work. The driver will
327	  be available until the real driver model serial is running.
328
329config DEBUG_UART_MXC
330	bool "IMX Serial port"
331	depends on MXC_UART
332	help
333	  Select this to enable a debug UART using the serial_mxc driver. You
334	  will need to provide parameters to make this work. The driver will
335	  be available until the real driver model serial is running.
336
337config DEBUG_UART_SANDBOX
338	bool "sandbox"
339	depends on SANDBOX_SERIAL
340	help
341	  Select this to enable the debug UART using the sandbox driver. This
342	  provides basic serial output from the console without needing to
343	  start up driver model. The driver will be available until the real
344	  driver model serial is running.
345
346config DEBUG_UART_SIFIVE
347	bool "SiFive UART"
348	help
349	  Select this to enable a debug UART using the serial_sifive driver. You
350	  will need to provide parameters to make this work. The driver will
351	  be available until the real driver-model serial is running.
352
353config DEBUG_UART_STM32
354	bool "STMicroelectronics STM32"
355	depends on STM32_SERIAL
356	help
357	  Select this to enable a debug UART using the serial_stm32 driver
358	  You will need to provide parameters to make this work.
359	  The driver will be available until the real driver model
360	  serial is running.
361
362config DEBUG_UART_UNIPHIER
363	bool "UniPhier on-chip UART"
364	depends on ARCH_UNIPHIER
365	help
366	  Select this to enable a debug UART using the UniPhier on-chip UART.
367	  You will need to provide DEBUG_UART_BASE to make this work.  The
368	  driver will be available until the real driver-model serial is
369	  running.
370
371config DEBUG_UART_OMAP
372	bool "OMAP uart"
373	help
374	  Select this to enable a debug UART using the omap ns16550 driver.
375	  You will need to provide parameters to make this work. The driver
376	  will be available until the real driver model serial is running.
377
378config DEBUG_UART_MTK
379	bool "MediaTek High-speed UART"
380	depends on MTK_SERIAL
381	help
382	  Select this to enable a debug UART using the MediaTek High-speed
383	  UART driver.
384	  You will need to provide parameters to make this work. The
385	  driver will be available until the real driver model serial is
386	  running.
387
388endchoice
389
390config DEBUG_UART_BASE
391	hex "Base address of UART"
392	depends on DEBUG_UART
393	default 0 if DEBUG_UART_SANDBOX
394	help
395	  This is the base address of your UART for memory-mapped UARTs.
396
397	  A default should be provided by your board, but if not you will need
398	  to use the correct value here.
399
400config DEBUG_UART_CLOCK
401	int "UART input clock"
402	depends on DEBUG_UART
403	default 0 if DEBUG_UART_SANDBOX
404	help
405	  The UART input clock determines the speed of the internal UART
406	  circuitry. The baud rate is derived from this by dividing the input
407	  clock down.
408
409	  A default should be provided by your board, but if not you will need
410	  to use the correct value here.
411
412config DEBUG_UART_SHIFT
413	int "UART register shift"
414	depends on DEBUG_UART
415	default 0 if DEBUG_UART
416	help
417	  Some UARTs (notably ns16550) support different register layouts
418	  where the registers are spaced either as bytes, words or some other
419	  value. Use this value to specify the shift to use, where 0=byte
420	  registers, 2=32-bit word registers, etc.
421
422config DEBUG_UART_BOARD_INIT
423	bool "Enable board-specific debug UART init"
424	depends on DEBUG_UART
425	help
426	  Some boards need to set things up before the debug UART can be used.
427	  On these boards a call to debug_uart_init() is insufficient. When
428	  this option is enabled, the function board_debug_uart_init() will
429	  be called when debug_uart_init() is called. You can put any code
430	  here that is needed to set up the UART ready for use, such as set
431	  pin multiplexing or enable clocks.
432
433config DEBUG_UART_ANNOUNCE
434	bool "Show a message when the debug UART starts up"
435	depends on DEBUG_UART
436	help
437	  Enable this option to show a message when the debug UART is ready
438	  for use. You will see a message like "<debug_uart> " as soon as
439	  U-Boot has the UART ready for use (i.e. your code calls
440	  debug_uart_init()). This can be useful just as a check that
441	  everything is working.
442
443config DEBUG_UART_SKIP_INIT
444	bool "Skip UART initialization"
445	help
446	  Select this if the UART you want to use for debug output is already
447	  initialized by the time U-Boot starts its execution.
448
449config ALTERA_JTAG_UART
450	bool "Altera JTAG UART support"
451	depends on DM_SERIAL
452	help
453	  Select this to enable an JTAG UART for Altera devices.The JTAG UART
454	  core implements a method to communicate serial character streams
455	  between a host PC and a Qsys system on an Altera FPGA. Please find
456	  details on the "Embedded Peripherals IP User Guide" of Altera.
457
458config ALTERA_JTAG_UART_BYPASS
459	bool "Bypass output when no connection"
460	depends on ALTERA_JTAG_UART
461	help
462	  Bypass console output and keep going even if there is no JTAG
463	  terminal connection with the host. The console output will resume
464	  once the JTAG terminal is connected. Without the bypass, the console
465	  output will wait forever until a JTAG terminal is connected. If you
466	  not are sure, say Y.
467
468config ALTERA_UART
469	bool "Altera UART support"
470	depends on DM_SERIAL
471	help
472	  Select this to enable an UART for Altera devices. Please find
473	  details on the "Embedded Peripherals IP User Guide" of Altera.
474
475config AR933X_UART
476	bool "QCA/Atheros ar933x UART support"
477	depends on DM_SERIAL && SOC_AR933X
478	help
479	  Select this to enable UART support for QCA/Atheros ar933x
480	  devices. This driver uses driver model and requires a device
481	  tree binding to operate, please refer to the document at
482	  doc/device-tree-bindings/serial/qca,ar9330-uart.txt.
483
484config ARC_SERIAL
485	bool "ARC UART support"
486	depends on DM_SERIAL
487	help
488	  Select this to enable support for ARC UART now typically
489	  only used in Synopsys DesignWare ARC simulators like nSIM.
490
491config ATMEL_USART
492	bool "Atmel USART support"
493	help
494	  Select this to enable USART support for Atmel SoCs. It can be
495	  configured in the device tree, and input clock frequency can
496	  be got from the clk node.
497
498config BCM283X_MU_SERIAL
499	bool "Support for BCM283x Mini-UART"
500	depends on DM_SERIAL && ARCH_BCM283X
501	default y
502	help
503	  Select this to enable Mini-UART support on BCM283X family of SoCs.
504
505config BCM283X_PL011_SERIAL
506	bool "Support for BCM283x PL011 UART"
507	depends on PL01X_SERIAL && ARCH_BCM283X
508	default y
509	help
510	  Select this to enable an overriding PL011 driver for BCM283X SoCs
511	  that supports automatic disable, so that it only gets used when
512	  the UART is actually muxed.
513
514config BCM6345_SERIAL
515	bool "Support for BCM6345 UART"
516	depends on DM_SERIAL
517	help
518	  Select this to enable UART on BCM6345 SoCs.
519
520config FSL_LINFLEXUART
521	bool "Freescale Linflex UART support"
522	depends on DM_SERIAL
523	help
524	  Select this to enable the Linflex serial module found on some
525	  NXP SoCs like S32V234.
526
527config FSL_LPUART
528	bool "Freescale LPUART support"
529	help
530	  Select this to enable a Low Power UART for Freescale VF610 and
531	  QorIQ Layerscape devices.
532
533config MVEBU_A3700_UART
534	bool "UART support for Armada 3700"
535	default n
536	help
537	  Choose this option to add support for UART driver on the Marvell
538	  Armada 3700 SoC. The base address is configured via DT.
539
540config MXC_UART
541	bool "IMX serial port support"
542	depends on MX5 || MX6
543	help
544	  If you have a machine based on a Motorola IMX CPU you
545	  can enable its onboard serial port by enabling this option.
546
547config NULLDEV_SERIAL
548	bool "Null serial device"
549	help
550	  Select this to enable null serial device support. A null serial
551	  device merely acts as a placeholder for a serial device and does
552	  nothing for all it's operation.
553
554config PIC32_SERIAL
555	bool "Support for Microchip PIC32 on-chip UART"
556	depends on DM_SERIAL && MACH_PIC32
557	default y
558	help
559	  Support for the UART found on Microchip PIC32 SoC's.
560
561config SYS_NS16550
562	bool "NS16550 UART or compatible"
563	help
564	  Support NS16550 UART or compatible. This can be enabled in the
565	  device tree with the correct input clock frequency. If the input
566	  clock frequency is not defined in the device tree, the macro
567	  CONFIG_SYS_NS16550_CLK defined in a legacy board header file will
568	  be used. It can be a constant or a function to get clock, eg,
569	  get_serial_clock().
570
571config INTEL_MID_SERIAL
572	bool "Intel MID platform UART support"
573	depends on DM_SERIAL && OF_CONTROL
574	depends on INTEL_MID
575	select SYS_NS16550
576	help
577	  Select this to enable a UART for Intel MID platforms.
578	  This uses the ns16550 driver as a library.
579
580config PL010_SERIAL
581	bool "ARM PL010 driver"
582	depends on !DM_SERIAL
583	help
584	  Select this to enable a UART for platforms using PL010.
585
586config PL011_SERIAL
587	bool "ARM PL011 driver"
588	depends on !DM_SERIAL
589	help
590	  Select this to enable a UART for platforms using PL011.
591
592config PL01X_SERIAL
593	bool "ARM PL010 and PL011 driver"
594	depends on DM_SERIAL
595	help
596	  Select this to enable a UART for platforms using PL010 or PL011.
597
598config ROCKCHIP_SERIAL
599	bool "Rockchip on-chip UART support"
600	depends on DM_SERIAL && SPL_OF_PLATDATA
601	help
602	  Select this to enable a debug UART for Rockchip devices when using
603	  CONFIG_SPL_OF_PLATDATA (i.e. a compiled-in device tree replacemenmt).
604	  This uses the ns16550 driver, converting the platdata from of-platdata
605	  to the ns16550 format.
606
607config SANDBOX_SERIAL
608	bool "Sandbox UART support"
609	depends on SANDBOX
610	help
611	  Select this to enable a seral UART for sandbox. This is required to
612	  operate correctly, otherwise you will see no serial output from
613	  sandbox. The emulated UART will display to the console and console
614	  input will be fed into the UART. This allows you to interact with
615	  U-Boot.
616
617	  The operation of the console is controlled by the -t command-line
618	  flag. In raw mode, U-Boot sees all characters from the terminal
619	  before they are processed, including Ctrl-C. In cooked mode, Ctrl-C
620	  is processed by the terminal, and terminates U-Boot. Valid options
621	  are:
622
623	     -t raw-with-sigs	Raw mode, Ctrl-C will terminate U-Boot
624	     -t raw		Raw mode, Ctrl-C is processed by U-Boot
625	     -t cooked		Cooked mode, Ctrl-C terminates
626
627config SCIF_CONSOLE
628	bool "Renesas SCIF UART support"
629	depends on SH || ARCH_RMOBILE
630	help
631	  Select this to enable Renesas SCIF UART. To operate serial ports
632	  on systems with RCar or SH SoCs, say Y to this option. If unsure,
633	  say N.
634
635config UNIPHIER_SERIAL
636	bool "Support for UniPhier on-chip UART"
637	depends on ARCH_UNIPHIER
638	default y
639	help
640	  If you have a UniPhier based board and want to use the on-chip
641	  serial ports, say Y to this option. If unsure, say N.
642
643config XILINX_UARTLITE
644	bool "Xilinx Uarlite support"
645	depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || 4xx)
646	help
647	  If you have a Xilinx based board and want to use the uartlite
648	  serial ports, say Y to this option. If unsure, say N.
649
650config MESON_SERIAL
651	bool "Support for Amlogic Meson UART"
652	depends on DM_SERIAL && ARCH_MESON
653	help
654	  If you have an Amlogic Meson based board and want to use the on-chip
655	  serial ports, say Y to this option. If unsure, say N.
656
657config MSM_SERIAL
658	bool "Qualcomm on-chip UART"
659	depends on DM_SERIAL
660	help
661	  Support Data Mover UART used on Qualcomm Snapdragon SoCs.
662	  It should support all Qualcomm devices with UARTDM version 1.4,
663	  for example APQ8016 and MSM8916.
664	  Single baudrate is supported in current implementation (115200).
665
666config OMAP_SERIAL
667	bool "Support for OMAP specific UART"
668	depends on DM_SERIAL
669	default y if (ARCH_OMAP2PLUS || ARCH_K3)
670	select SYS_NS16550
671	help
672	  If you have an TI based SoC and want to use the on-chip serial
673	  port, say Y to this option. If unsure say N.
674
675config OWL_SERIAL
676	bool "Actions Semi OWL UART"
677	depends on DM_SERIAL && ARCH_OWL
678	help
679	  If you have a Actions Semi OWL based board and want to use the on-chip
680	  serial port, say Y to this option. If unsure, say N.
681	  Single baudrate is supported in current implementation (115200).
682
683config PXA_SERIAL
684	bool "PXA serial port support"
685	help
686	  If you have a machine based on a Marvell XScale PXA2xx CPU you
687	  can enable its onboard serial ports by enabling this option.
688
689config SIFIVE_SERIAL
690	bool "SiFive UART support"
691	depends on DM_SERIAL
692	help
693	  This driver supports the SiFive UART. If unsure say N.
694
695config STI_ASC_SERIAL
696	bool "STMicroelectronics on-chip UART"
697	depends on DM_SERIAL && ARCH_STI
698	help
699	  Select this to enable Asynchronous Serial Controller available
700	  on STiH410 SoC. This is a basic implementation,  it supports
701	  following baudrate 9600, 19200, 38400, 57600 and 115200.
702
703config STM32_SERIAL
704	bool "STMicroelectronics STM32 SoCs on-chip UART"
705	depends on DM_SERIAL && (STM32F4 || STM32F7 || STM32H7 || ARCH_STM32MP)
706	help
707	  If you have a machine based on a STM32 F4, F7, H7 or MP1 SOC
708	  you can enable its onboard serial ports, say Y to this option.
709	  If unsure, say N.
710
711config ZYNQ_SERIAL
712	bool "Cadence (Xilinx Zynq) UART support"
713	depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_ZYNQMP_R5)
714	help
715	  This driver supports the Cadence UART. It is found e.g. in Xilinx
716	  Zynq/ZynqMP.
717
718config MTK_SERIAL
719	bool "MediaTek High-speed UART support"
720	depends on DM_SERIAL
721	help
722	  Select this to enable UART support for MediaTek High-speed UART
723	  devices. This driver uses driver model and requires a device
724	  tree binding to operate.
725	  The High-speed UART is compatible with the ns16550a UART and have
726	  its own high-speed registers.
727
728config MPC8XX_CONS
729	bool "Console driver for MPC8XX"
730	depends on MPC8xx
731	default y
732
733choice
734	prompt "Console port"
735	default 8xx_CONS_SMC1
736	depends on MPC8XX_CONS
737	help
738	  Depending on board, select one serial port
739	  (CONFIG_8xx_CONS_SMC1 or CONFIG_8xx_CONS_SMC2)
740
741config 8xx_CONS_SMC1
742	bool "SMC1"
743
744config 8xx_CONS_SMC2
745	bool "SMC2"
746
747endchoice
748
749config SYS_SMC_RXBUFLEN
750	int "Console Rx buffer length"
751	depends on MPC8XX_CONS
752	default 1
753	help
754	  With CONFIG_SYS_SMC_RXBUFLEN it is possible to define
755	  the maximum receive buffer length for the SMC.
756	  This option is actual only for 8xx possible.
757	  If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE
758	  must be defined, to setup the maximum idle timeout for
759	  the SMC.
760
761config SYS_MAXIDLE
762	int "maximum idle timeout"
763	depends on MPC8XX_CONS
764	default 0
765
766config SYS_BRGCLK_PRESCALE
767	int "BRG Clock Prescale"
768	depends on MPC8XX_CONS
769	default 1
770
771config SYS_SDSR
772	hex "SDSR Value"
773	depends on MPC8XX_CONS
774	default 0x83
775
776config SYS_SDMR
777	hex "SDMR Value"
778	depends on MPC8XX_CONS
779	default 0
780
781endmenu
782