From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Mon, 19 Mar 2012 09:44:01 -0700 Subject: [U-Boot] [PATCH] mmc: omap: follow TRM procedure to power on cards In-Reply-To: <1332165053-21526-1-git-send-email-notasas@gmail.com> References: <1332165053-21526-1-git-send-email-notasas@gmail.com> Message-ID: <4F676251.4020806@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 03/19/2012 06:50 AM, Grazvydas Ignotas wrote: > According to OMAP3 TRM, PBIASLITEPWRDNZ bits must be cleared while MMC > power supply is being enabled and is ramping up (those bits might be > left set by the previous bootloader). It doesn't say what happens if > this procedure is violated, but better not to risk here and do things > as required. While in favor of correctness (and putting / moving up reconciling Linux and U-Boot omap MMC drivers on my TODO list), does this help with the problem you had reported before? Thanks! -- Tom