On Thu, 6 Nov 2008 15:30:38 +0100 Jean-Christophe PLAGNIOL-VILLARD <[EMAIL PROTECTED]> wrote:
> On 15:04 Thu 06 Nov , Gary Jennejohn wrote: > > > > Modifications to support console multiplexing. This is controlled using > > CONFIG_SYS_CONSOLE_MUX in the board configuration file. > > > > This allows a user to specify multiple console devices in the environment > > with a command like this: setenv stdin serial,nc. As a result, the user can > > enter text on both the serial and netconsole interfaces. > > > > All devices - stdin, stdout and stderr - can be set in this manner. > > > > 1) common/iomux.c and include/iomux.h contain the environment setting > > implementation. > > 2) doc/README.iomux contains a somewhat more detailed description. > > 3) The implementation in (1) is called from common/cmd_nvedit.c to > > handle setenv and from common/console.c to handle initialization of > > input/output devices at boot time. > > 4) common/console.c also contains the code needed to poll multiple console > > devices for input and send output to all devices registered for output. > > 5) include/common.h includes iomux.h and common/Makefile generates iomux.o > > when CONFIG_SYS_CONSOLE_MUX is set. > > > > Signed-off-by: Gary Jennejohn <[EMAIL PROTECTED]> > > --- > > > > V3 > > - handle comments from the ML > > - iomux_doenv() now removes repeated device entries > > > > common/Makefile | 1 + > > common/cmd_nvedit.c | 6 ++ > > common/console.c | 156 +++++++++++++++++++++++++++++++++++++++++++++- > > common/iomux.c | 175 > > +++++++++++++++++++++++++++++++++++++++++++++++++++ > > doc/README.iomux | 106 +++++++++++++++++++++++++++++++ > > include/common.h | 7 ++ > > include/iomux.h | 48 ++++++++++++++ > > 7 files changed, 498 insertions(+), 1 deletions(-) > > create mode 100644 common/iomux.c > > create mode 100644 doc/README.iomux > > create mode 100644 include/iomux.h > > you steel do not use list_head. > > You agree about the idea. > > is there any special reason? > There are actually two a) I *did* look at using list_head, but I couldn't wrap my head around it in a reasonable length of time and it wasn't clear to me how to implement the functionality I wanted b) It was much easier for me to modify the code to what I needed using realloc since it was already using an array --- Gary Jennejohn ********************************************************************* DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [EMAIL PROTECTED] ********************************************************************* _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
