From: Sascha Hauer <s.hauer@pengutronix.de>
To: Oleksij Rempel <linux@rempel-privat.de>
Cc: barebox@lists.infradead.org,
Oleksij Rempel <bug-track@fisher-privat.net>
Subject: Re: [PATCH 1/2 v2] cfi_flash: add shift option for some cfi memory chips
Date: Thu, 23 May 2013 15:13:03 +0200 [thread overview]
Message-ID: <20130523131303.GM32299@pengutronix.de> (raw)
In-Reply-To: <1369209220-14529-2-git-send-email-linux@rempel-privat.de>
On Wed, May 22, 2013 at 09:53:39AM +0200, Oleksij Rempel wrote:
> From: Oleksij Rempel <bug-track@fisher-privat.net>
>
> Many cfi chips support 16 and 8 bit modes. Most important
> difference is use of so called "Q15/A-1" pin. In 16bit mode this
> pin is used for data IO. In 8bit mode, it is an address input
> which add one more least significant bit (LSB). In this case
> we should shift all adresses by one:
> For example 0xaa << 1 = 0x154
>
> Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Applied, thanks
Sascha
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next prev parent reply other threads:[~2013-05-23 13:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-22 7:53 [PATCH 0/2] cfi fixes Oleksij Rempel
2013-05-22 7:53 ` [PATCH 1/2 v2] cfi_flash: add shift option for some cfi memory chips Oleksij Rempel
2013-05-23 13:13 ` Sascha Hauer [this message]
2013-05-22 7:53 ` [PATCH 2/2] cfi_flash: size_ratio should not be 0 Oleksij Rempel
2013-05-23 13:13 ` Sascha Hauer
2013-05-23 13:37 ` Oleksij Rempel
2013-05-27 8:30 ` Sascha Hauer
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