[U-Boot] [PATCH V4 3/4] ARM: Warn when the machine ID isn't set.

[Christopher Harvey <charvey@matrox.com>]

On Wed, Aug 24, 2011 at 04:31:20PM +0200, Albert ARIBAUD wrote:
> Le 04/08/2011 08:30, Albert ARIBAUD a ?crit :
> > Hi Christopher,
> >
> > Le 18/07/2011 19:33, Christopher Harvey a ?crit :
> >> Linux cannot boot without it.
> >>
> >> Signed-off-by: Christopher Harvey<charvey@matrox.com>
> >> ---
> >>
> >> V2:
> >> Used a #define instead of a constant.
> >> Used a printf instead of a debug.
> >>
> >> ---
> >>
> >> V3:
> >> Moved gd->bd->bi_arch_number = BI_ARCH_NUMBER_INVALID; before the
> >>     init_sequence loop, so it doesn't overwrite existing values.
> >> Removed unneeded braces.
> >>
> >> Reminder, in V2 of this series there are 3 uncommited patches that
> >>     have no comments.
> >>
> >> ---
> >>
> >> V3:
> >> Fixed mixed tabs and spaces.
> >> Message prints in both debug and release mode.
> >>
> >>    arch/arm/include/asm/u-boot.h |    2 ++
> >>    arch/arm/lib/board.c          |    2 ++
> >>    arch/arm/lib/bootm.c          |    3 +++
> >>    3 files changed, 7 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/arch/arm/include/asm/u-boot.h b/arch/arm/include/asm/u-boot.h
> >> index ed33327..81735de 100644
> >> --- a/arch/arm/include/asm/u-boot.h
> >> +++ b/arch/arm/include/asm/u-boot.h
> >> @@ -48,4 +48,6 @@ typedef struct bd_info {
> >>        }			bi_dram[CONFIG_NR_DRAM_BANKS];
> >>    } bd_t;
> >>
> >> +#define BI_ARCH_NUMBER_INVALID  0xffffffff
> >> +
> >>    #endif	/* _U_BOOT_H_ */
> >> diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
> >> index fc52a26..1635aa1 100644
> >> --- a/arch/arm/lib/board.c
> >> +++ b/arch/arm/lib/board.c
> >> @@ -281,6 +281,8 @@ void board_init_f (ulong bootflag)
> >>
> >>    	gd->mon_len = _bss_end_ofs;
> >>
> >> +	gd->bd->bi_arch_number = BI_ARCH_NUMBER_INVALID;
> >> +
> >>    	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
> >>    		if ((*init_fnc_ptr)() != 0) {
> >>    			hang ();
> >> diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
> >> index 802e833..d5fd26b 100644
> >> --- a/arch/arm/lib/bootm.c
> >> +++ b/arch/arm/lib/bootm.c
> >> @@ -113,6 +113,9 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
> >>    		printf ("Using machid 0x%x from environment\n", machid);
> >>    	}
> >>
> >> +	if (machid == BI_ARCH_NUMBER_INVALID)
> >> +		printf("Warning: machid not set.\n");
> >> +
> >>    	show_boot_progress (15);
> >>
> >>    #ifdef CONFIG_OF_LIBFDT
> >
> > This patch does not apply cleanly any more. Can you post a rebased V5
> > please?
> 
> Ping?
> 
> 
> Amicalement,
> -- 
> Albert.

I lost confidence in blindly rebasing because I haven't had time to go
through u-boot to make sure no boards are able to set their machine id
before I can. When I get a moment I will get back into this code and
rebase it when I feel comfortable with the changes. Probably this
week.

-Chris