From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephan Linz Date: Thu, 26 Feb 2004 19:20:35 +0100 Subject: [U-Boot-Users] SMSC91C111 performance... In-Reply-To: References: Message-ID: <0402261920350J.00467@pcj86> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > What is the performance of the driver inside u-boot? > > > Get around up to 2 secs delay to "ping alive" and Yes, the SMSC91C111 has an very long auto-negotation cycle... > downloading a 2.5MByte binary with tftp takes up to 7 secs. Wow, about 3 MBit -- that's good for the Chip. The SMSC91C111 self isn't fast enough. It has an non performant chip design (there are only 2x2KByte for FIFO). My latest tests with an PXA255 a/o NIOS + SMSC91C111 @ 32 bit bus results the same... Best Regards, Stephan Linz