From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Scholz Date: Wed, 06 Apr 2005 14:40:49 +0200 Subject: [U-Boot-Users] CONFIG_SERIAL_TAG and CONFIG_REVISION_TAG ??? In-Reply-To: <42319FE9.4060505@imc-berlin.de> References: <42319FE9.4060505@imc-berlin.de> Message-ID: <4253D8D1.2010307@imc-berlin.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi there, I wrote: > for ARM boards CONFIG_SERIAL_TAG and CONFIG_REVISION_TAG can be used to > pass the board's serial nummber and revision to a linux kernel. > > For now setup_serial_tag() has to be defined in board specific files. > But setup_revision_tag() is defined in armlinux.c like > > void setup_revision_tag(struct tag **in_params) > { > u32 rev = 0; > #ifdef CONFIG_OMAP2420H4 > u32 get_board_rev(void); > > rev = get_board_rev(); > #endif > params->hdr.tag = ATAG_REVISION; > params->hdr.size = tag_size (tag_revision); > params->u.revision.rev = rev; > params = tag_next (params); > } > > I'd love to make this consistent. So either do it like > setup_serial_tag() or like setup_revision_tag() ... > > Since I don't like board specific defines like "#ifdef > CONFIG_OMAP2420H4" in common files we should move that out. > > So the question is: > > shell we implement board specific get_board_rev() and get_board_serial() > and have the params->hdr.* stuff in armlinux.c? > > or > > shell we implement setup_serial_tag() and setup_revision_tag() in board > specific files and do the params->hdr.* stuff there? I vote for "implement board specific get_board_rev() and get_board_serial()"! Any comments? I am ready to send patches. -- Steven