Date: Sat, 24 Nov 2018 09:26:57 GMT From: miltonott <miltonott@fastmail.com> To: freebsd-hackers@freebsd.org Subject: Re: Adding support for MosChip 9912 PCIe (serial/parallel) cards Message-ID: <201811240926.wAO9QvOC003283@euler.miltonslab.com> In-Reply-To: 201811170804.wAH84AM1001846@euler.miltonslab.com References: 201811170804.wAH84AM1001846@euler.miltonslab.com
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on Tue Mar 6 07:27:36 UTC 2018 -Andre wrote: >> I am now using this diff to access the MCS9912. I am (mis)using >> puc to initialise whatever is needed for the printer port to work >> and let ppc attach to puc. As puc does not attach to single port >> devices, I have removed this check. uart works by simply adding >> the device. This is all quite ugly but it works... > miltonott wrote: > My lord, may I please see the device.hints file you are now using. I am now able to establish a login session on a serial port using the additions to /usr/src/sys/dev/uart/uart_bus_pci.c provided by -Andre on March 2018. The device appearance in the output of pciconf gives: uart2@pci0:3:0:0: class=0x070002 card=0x1000a000 chip=0x99129710 rev=0x00 hdr=0x00 vendor = 'MosChip Semiconductor Technology Ltd.' device = 'PCIe 9912 Multi-I/O Controller' class = simple comms subclass = UART uart3@pci0:3:0:1: class=0x070002 card=0x1000a000 chip=0x99129710 rev=0x00 hdr=0x00 vendor = 'MosChip Semiconductor Technology Ltd.' device = 'PCIe 9912 Multi-I/O Controller' class = simple comms subclass = UART /var/run/dmesg.boot now gives: uart2: <MosChip MCS9912 PCIe to Peripheral Controller> port 0xe030-0xe037 mem 0xf7c05000-0xf7c05fff,0xf7c04000-0xf7c04fff irq 17 at device 0.0 on pci2 uart2: fast interrupt uart2: PPS capture mode: DCDinvalid random: harvesting attach, 8 bytes (4 bits) from uart2 uart3: <MosChip MCS9912 PCIe to Peripheral Controller> port 0xe020-0xe027 mem 0xf7c03000-0xf7c03fff,0xf7c02000-0xf7c02fff irq 18 at device 0.1 on pci2 uart3: fast interrupt uart3: PPS capture mode: DCDinvalid $ /usr/bin/cu -l /dev/cuau3 gives: FreeBSD/amd64 (fallacy) (ttyu0) login: Thanking you -Andre.
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