From: Sascha Hauer <s.hauer@pengutronix.de>
To: Igor <igt1972@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: IIM on iMX27 "how-to" needed
Date: Tue, 31 Jan 2012 12:40:45 +0100 [thread overview]
Message-ID: <20120131114045.GO1990@pengutronix.de> (raw)
In-Reply-To: <CALQ+5acXuFBGkeRgv+xR8FE2_ykWxbRggEi-AVaJhZm-ZzLk7g@mail.gmail.com>
On Tue, Jan 31, 2012 at 11:36:51AM +0100, Igor wrote:
> Hi,
>
> I'm trying to read and write the e-fuse banks on my iMX27 with Barebox
> but still unsuccessfully.
>
> I configured and compiled Barebox with IIM support, so I can see these devices:
> barebox:/ ls -l /dev
> crw------- 32 imx_iim_bank0
> crw------- 32 imx_iim_bank1
> crw------- 32 imx_iim_bank2
> crw------- 32 imx_iim_bank3
> crw------- 32 imx_iim_bank4
> crw------- 32 imx_iim_bank5
> crw------- 32 imx_iim_bank6
> crw------- 32 imx_iim_bank7
>
> and I get:
> barebox:/ devinfo
> [..]
> `---- imx_iim0
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank0
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank1
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank2
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank3
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank4
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank5
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank6
> `---- 0x00000000-0x0000001f: /dev/imx_iim_bank7
>
> barebox:/ devinfo imx_iim0
> resources:
> num : 0
> start : 0x10028000
> size : 0x00001000
> driver: imx_iim
>
> no info available for imx_iim0
> Parameters:
> permanent_write_enable = 0
> explicit_sense_enable = 1
>
> By the way I don't know how to read and write the fuse banks.
>
> If I try to read them, I get:
> barebox:/ md -b /dev/imx_iim_bank0
> could not parse: /dev/imx_iim_bank0
The command is correct, the usage is wrong.
See http://wiki.barebox.org/doku.php?id=commands:md and let me know
if that helps (and what could be made better)
Sascha
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2012-01-31 11:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 10:36 Igor
2012-01-31 11:40 ` Sascha Hauer [this message]
2012-01-31 12:51 ` Igor Trevisan
2012-01-31 13:12 ` Sascha Hauer
[not found] ` <CALQ+5afyqAu7NP5yks7pJcJzbpm3u2G7USn1MSTnbby1-3r4mw@mail.gmail.com>
2012-02-10 14:13 ` Igor Trevisan
2012-02-10 22:59 ` Sascha Hauer
2012-02-13 9:12 ` Igor Trevisan
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