Date: Sun, 30 Dec 2012 15:01:02 +0100 From: Bernd Walter <ticso@cicely7.cicely.de> To: Thomas Skibo <ThomasSkibo@sbcglobal.net> Cc: freebsd-arm@freebsd.org Subject: Re: FreeBSD on Zedboard (Xilinx Zynq-7000) Message-ID: <20121230140102.GA40637@cicely7.cicely.de> In-Reply-To: <50DF555B.9060601@sbcglobal.net> References: <50DF4BD9.8080601@sbcglobal.net> <50DF555B.9060601@sbcglobal.net>
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On Sat, Dec 29, 2012 at 12:40:59PM -0800, Thomas Skibo wrote: > > Hello. > > I have been tinkering with this for several weeks: I booted FreeBSD > on a Zedboard (a low-cost evaluation board for the Xilinx Zynq-7000 SoC). That's very exciting because I hope to get two parallella boards next year from their kickstarter event. > It was just a matter of coming up with a device tree file, implementing > a UART driver, attaching the generic sdhci driver to the Zynq's SD > hardware, and adding a new CPU id. I don't have an ethernet driver yet > but I've started on it. > > I created an sdhci_fdt driver based on sdhci_pci.c. It should be > useful for other platforms. I won't be surprised if somebody points > out there is one already. > > One thing that stumped me for a while is that the interrupt controller > driver, gic.c, does not initialize the priority mask register > (GICC_PMR). The boot-loader left it at zero which masked all > interrupts. For now, I plug 0xff into it in my initarm_late_init() > function in zynq7_machdep.c. > > I'll provide my source soon. I want to do a few clean-ups of course > and I'll take any feed-back on my naming conventions and how I organized > the files. > -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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