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From: Grant Edwards <invalid@invalid.invalid>
Newsgroups: comp.os.linux.advocacy,comp.os.linux.embedded
Subject: Re: ARM boot technology going up a notch
Date: Mon, 6 Aug 2012 14:07:02 +0000 (UTC)
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On 2012-08-05, David Brown <david.brown@removethis.hesbynett.no> wrote:
> On 03/08/12 21:06, 7 wrote:
>> ARM boot technology going up a notch
>> ------------------------------------
[...]
>> Notice the list includes a dedicated SDCard 2.0 interface
>> that allows the ARM chip to directly read an SDCard.
>> Some of these ARM chips have gone one step further
>> and also have extra pins to tell them to BOOT FROM SDCARD!!!!
>>
>> That changes everything!!!
[...]

> And while booting from an SDCard may be a new feature,

Various high end SoC parts have been able to do that for years.

> microcontrollers and processors have supported multiple boot modes
> for decades.  People who actually /work/ with these sorts of devices
> (as electronics developers and low-level programmers) have been
> happily booting from UARTs, Ethernet, CAN, SPI, QSPI, NAND flash, NOR
> flash, and a variety of other devices and data stores in addition to
> JTAG.

Yup.

> Built-in boot rom support for SDCard is nothing revolutionary or 
> dramatic.  It's a nice feature to have, but that's it.

"7" is a classic net.kook...

-- 
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