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Open Source and information security mailing list archives
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Date: Fri, 17 Aug 2007 14:15:33 -0700 From: David Brownell <david-b@...bell.net> To: "Mike Frysinger" <vapier.adi@...il.com> Cc: "Bryan Wu" <bryan.wu@...log.com>, torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, "Michael Hennerich" <michael.hennerich@...log.com> Subject: Re: [PATCH 02/12] Blackfin arch: Add label to call new GPIO API On Friday 17 August 2007, Mike Frysinger wrote: > as Michael pointed out, in the Blackfin world we tend to keep things > very dynamic as we have dev systems which allow for dropping in of > optional cards at will, so doing this in the bootloader is way too > inflexible. That's the tradeoff: optimize for development boards, or instead for more fixed-function product boards. > oh, and another [smallish] data point. the Blackfin processor has a > small bootrom on it that could be likened to a very micro bios. so > it's possible to actually boot the linux kernel straight without a > boot loader. send the kernel over the UART to a Blackfin and watch it > go go go :) That's not uncommon, although I'm more used to seeing the on-chip ROMs relying on a second stage loader for stuff like getting memory and other clocks going at optimal speeds, and loading "big" images (that won't fit on-chip SRAM). - Dave - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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