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3 Commits

Author SHA1 Message Date
Matt Macy
381388b9c4 add snps IP uart support / genaralize UART 
This is an amalgam of a patch by Doug Ambrisko to
generalize uart_acpi_find_device, imp moving the
ACPI table to uart_dev_ns8250.c and advice by jhb
to work around a bug in the EPYC 3151 BIOS
(the BIOS incorrectly marks the serial ports as
disabled)

Reviewed by: imp
MFC after: 8 weeks
Differential Revision: https://reviews.freebsd.org/D16432
 2018-08-19 21:10:21 +00:00
Ruslan Bukin
c214a270f5 Allow setting access-width for UART registers. 
This is required for FDT's standard "reg-io-width" property
(similar to "reg-shift" property) found in many DTS files.

This fixes operation on Altera Arria 10 SOC Development Kit,
where standard ns8250 uart allows 4-byte access only.

Reviewed by:	kan, marcel
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D9785
 2017-02-27 20:08:42 +00:00
Ruslan Bukin
9a8f61fb5b Bring in support for Ingenic XBurst JZ4780 and 
X1000 systems on chips.

Imgtec CI20 and Ingenic CANNA boards supported.

Submitted by:	Alexander Kabaev <kan@FreeBSD.org>
Reviewed by:	Ruslan Bukin <br@FreeBSD.org>
Sponsored by:	DARPA, AFRL
 2016-11-19 17:46:18 +00:00