From: Holger Brunck <holger.brunck@keymile.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/4 v2] cfi_flash: Read PPB sector protection from device for AMD/Spansion chips
Date: Fri, 07 Dec 2012 10:19:13 +0100 [thread overview]
Message-ID: <50C1B491.6040402@keymile.com> (raw)
In-Reply-To: <1354805052-32347-2-git-send-email-sr@denx.de>
Hi Stefan,
On 12/06/2012 03:44 PM, Stefan Roese wrote:
> Patch 66863b05 [cfi_flash: add support for Spansion flash PPB sector
> protection] introduced the PPB (Persistent Protection Bit) locking for
> Spansion chips. But right now the sector protection status (locked vs
> unlocked) is set to unlocked for all sectors upon bootup. The real
> sector protection status is ignored.
>
> This patch now reads the current sector protection status and uses
> it for these AMD/Spansion flash chips.
>
> Signed-off-by: Stefan Roese <sr@denx.de>
> Cc: Anatolij Gustschin <agust@denx.de>
> Cc: Holger Brunck <holger.brunck@keymile.com>
> ---
Tested-by: Holger Brunck <holger.brunck@keymile.com>
Regards
Holger
next prev parent reply other threads:[~2012-12-07 9:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 14:44 [U-Boot] [PATCH 1/4] cfi_flash: Add manufact_match helper function Stefan Roese
2012-12-06 14:44 ` [U-Boot] [PATCH 2/4 v2] cfi_flash: Read PPB sector protection from device for AMD/Spansion chips Stefan Roese
2012-12-07 9:19 ` Holger Brunck [this message]
2012-12-06 14:44 ` [U-Boot] [PATCH 3/4] cfi_flash: Enable PPB protection for all AMD cmdset flash chips Stefan Roese
2012-12-07 9:19 ` Holger Brunck
2012-12-06 14:44 ` [U-Boot] [PATCH 4/4] cfi_flash: Report Advanced Sector Protection (PPB) with flinfo cmd Stefan Roese
2012-12-07 9:20 ` Holger Brunck
2013-01-10 14:33 ` [U-Boot] [PATCH 1/4] cfi_flash: Add manufact_match helper function Stefan Roese
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