From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 13 Jul 2004 14:46:43 -0400 (EDT) From: "Robert P. J. Day" To: Dan Malek Cc: Embedded Linux PPC list Subject: Re: fix to enet.c to enable networking when booting from flash In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: On Tue, 13 Jul 2004, Dan Malek wrote: > > On Jul 13, 2004, at 1:34 PM, Robert P. J. Day wrote: > >> #if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) || >> defined(CONFIG_EP8xx) || defined(CONFIG_EP852) >> /* And while we are here, set the configuration to enable >> ethernet. >> */ >> *((volatile uint *)RPX_CSR_ADDR) &= ~BCSR0_ETHLPBK; >> *((volatile uint *)RPX_CSR_ADDR) |= >> (BCSR0_ETHEN | BCSR0_COLTESTDIS | BCSR0_FULLDPLXDIS); >>> *((volatile uint *)RPX_CSR_ADDR) |=0x00100000; <-- add this >> //1:ethernet,0:SPI >> #endif > > In newer drivers, this would be done in a board specific file. As you > can tell, this code enables the Ethernet PHY. I don't understand > why that extra 'add this' is necessary. That does some PCMCIA signal > routing to IP_B5, which should not have any effect on the Ethernet. > > What revision of board is this? I have RPXLite's that I boot from > flash all of the time without trouble. i *just* *now* talked to the author. it's board-specific, has to do with a register in the CPLD on our board, that's the reader's digest condensed version. this is a custom board, so i definitely don't expect it to behave like a regular rpxlite. so ignore all this, unless this explanation makes no sense at all. :-) rday ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/ ** This list is shutting down 7/24/2004.