From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Wed, 23 Jan 2013 17:31:51 +0800 Subject: [U-Boot] [PATCH] at91sam9x5: mmc: save environment as a file in FAT partition. In-Reply-To: <1358843773-22945-1-git-send-email-josh.wu@atmel.com> References: <1358843773-22945-1-git-send-email-josh.wu@atmel.com> Message-ID: <50FFAE07.1060003@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Josh, On 01/22/2013 04:36 PM, Josh Wu wrote: > This patch will save U-Boot environment as a file: uboot.env, in FAT partition > instead of saving it in raw sector of SD card. > Since saving environment in raw sector has risk of corrupting the SD card and > only can use very small size. > Save as a FAT file has no above limitation. > > Signed-off-by: Josh Wu > --- > this patch is based on v2013.01. > > include/configs/at91sam9x5ek.h | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) When I test this on at91sam9g35ek board, execute "saveenv", it will report following information, any information for this? ---------------------------- U-Boot 2013.01-00001-g4ab0497 (Jan 23 2013 - 17:12:28) CPU: AT91SAM9G35 Crystal frequency: 12 MHz CPU clock : 400 MHz Master clock : 133.333 MHz DRAM: 128 MiB WARNING: Caches not enabled NAND: No NAND device found!!! atmel_nand: Fail to initialize #0 chip0 MiB MMC: mci: 0 mci: setting clock 260416 Hz, block size 512 mci: setting clock 260416 Hz, block size 512 mci: setting clock 260416 Hz, block size 512 mci: setting clock 260416 Hz, block size 512 mci: setting clock 22222222 Hz, block size 512 ** Partition 1 not valid on device 0 ** Failed to register mmc0:1 Using default environment In: serial Out: serial Err: serial Net: macb0 Warning: failed to set MAC address U-Boot> saveenv Saving Environment to FAT... mci: setting clock 260416 Hz, block size 512 mci: setting clock 22222222 Hz, block size 512 mci: setting clock 260416 Hz, block size 512 mci: setting clock 260416 Hz, block size 512 mci: setting clock 22222222 Hz, block size 512 ** Partition 1 not valid on device 0 ** Failed to register mmc0:1 ------------------------------------------------ Best Regards, Bo Shen