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From: Sascha Hauer <s.hauer@pengutronix.de>
To: vj <vicencb@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 6/9] omap4: add usb boot support
Date: Mon, 1 Oct 2012 14:48:45 +0200	[thread overview]
Message-ID: <20121001124845.GQ1322@pengutronix.de> (raw)
In-Reply-To: <CAAMcf8Bw5vB7-9aFUo22yegTg+AhtTR35340DYnxb2qZfupLKA@mail.gmail.com>

Please do not top post.

On Sun, Sep 30, 2012 at 06:00:06PM +0200, vj wrote:
> It's out of my control:
>  The OMAP4 processor has an internal ROM which is in charge of the USB port
> for booting.
> Once the user application is running the USB communications are not closed
> and can be reused by the user application through the ROM public API.
> The OMAP4 ROM is implemented in a way it requires interrupts enabled.

That explains why changing the vector address does not work with the ROM
code.

Sascha


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  reply	other threads:[~2012-10-01 12:48 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-30  2:50 [PATCH 0/9] archosg9: add support for tablet, second round vj
2012-09-30  2:50 ` [PATCH 1/9] ARM: set rev instead of returning it vj
2012-09-30  2:50 ` [PATCH 2/9] mmc_omap: improve error message vj
2012-09-30  2:50 ` [PATCH 3/9] omap4: add/rename definitions to match datasheet vj
2012-09-30  2:50 ` [PATCH 4/9] twl6030: add debug info vj
2012-09-30 13:50   ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-02 13:46   ` Sascha Hauer
2012-09-30  2:50 ` [PATCH 5/9] add gitignore file vj
2012-09-30  2:50 ` [PATCH 6/9] omap4: add usb boot support vj
2012-09-30 12:14   ` Antony Pavlov
2012-09-30 14:02     ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 15:02       ` vj
2012-09-30 15:29         ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 16:00           ` vj
2012-10-01 12:48             ` Sascha Hauer [this message]
2012-09-30 14:07   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 15:23     ` vj
2012-09-30 15:30     ` vj
     [not found]     ` <CAAMcf8B0Qif3zVfw44zx5G813fYrMQTfUKi86Kr+JuFm=yf5rQ@mail.gmail.com>
2012-09-30 15:32       ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-02 13:51   ` Sascha Hauer
2012-09-30  2:50 ` [PATCH 7/9] omap4: add serial communications over usb boot vj
2012-09-30  2:50 ` [PATCH 8/9] omap4: add filesystem support " vj
2012-09-30 13:53   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30  2:50 ` [PATCH 9/9] Add support for Archos G9 tablet vj
2012-09-30 14:00   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-30 15:02   ` Antony Pavlov
2012-10-02 17:06 ` [PATCH 0/9] archosg9: add support for tablet, second round Sascha Hauer

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