Hi Igor, Le 04/07/2011 11:00, Igor Grinberg a écrit : > CONFIG_MACH_TYPE can be used to set the machine type number in the > common arm code instead of setting it in the board code. > > Signed-off-by: Igor Grinberg<grinb...@compulab.co.il> > --- > README | 12 ++++++++++++ > arch/arm/lib/board.c | 5 +++++ > 2 files changed, 17 insertions(+), 0 deletions(-) > > diff --git a/README b/README > index 446966d..a9ccb0a 100644 > --- a/README > +++ b/README > @@ -442,6 +442,18 @@ The following options need to be configured: > crash. This is needed for buggy hardware (uc101) where > no pull down resistor is connected to the signal IDE5V_DD7. > > + CONFIG_MACH_TYPE [relevant for ARM only] > + > + This option can be used to specify the machine type number > + as it appears in the ARM machine registry > + (see http://www.arm.linux.org.uk/developer/machines/). > + If this option is not defined, then your board code > + will have to set this up like: > + gd->bd->bi_arch_number =<mach type>; > + Note: This option is not suitable if you have multiple > + boards supported in a single configuration file and the > + machine type is runtime discoverable. > + > - vxWorks boot parameters: > > bootvx constructs a valid bootline using the following > diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c > index 169dfeb..ee77d05 100644 > --- a/arch/arm/lib/board.c > +++ b/arch/arm/lib/board.c > @@ -451,6 +451,11 @@ void board_init_r (gd_t *id, ulong dest_addr) > > monitor_flash_len = _end_ofs; > debug ("monitor flash len: %08lX\n", monitor_flash_len); > + > +#ifdef CONFIG_MACH_TYPE > + bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ > +#endif > + > board_init(); /* Setup chipselects */ > > #ifdef CONFIG_SERIAL_MULTI
I don't really see the added value of having this configuration option. It is used in only one place for one line of code, which is a sign to me that it does not bring any substantial benefits. Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot