Hi Dennis,
On Wed, Nov 28, 2012 at 6:30 AM, Dennis Lan (dlan)
<dennis.y...@gmail.com> wrote:
> hi simon:
> found a small bug?(not sure) which introduced by this commit.
>
> this line not inldue FDT option
> #if defined(CONFIG_SILENT_CONSOLE) || defined(CONFIG_POST) ||
> defined(CONFIG_CMDLINE_EDITING)
> DECLARE_GLOBAL_DATA_PTR;
> #endif
Thanks for reporting it -I will send a patch. Were you building for a
particular board, or did you just notice it?
>
>
> main.c: In function 'process_fdt_options':
> main.c:341:31: error: 'gd' undeclared (first use in this function)
> main.c:341:31: note: each undeclared identifier is reported only once for
> each function it appears in
> main.c: In function 'main_loop':
> main.c:464:33: error: 'gd' undeclared (first use in this function)
> make[2]: *** [main.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [common/libcommon.o] Error 2
> make[1]: *** Waiting for unfinished jobs....
> make: *** [lt703a] Error 2
>
Regards,
Simon
>
>
> On Fri, Oct 26, 2012 at 10:31 AM, Simon Glass <s...@chromium.org> wrote:
>>
>> If kernel-offset is specified in the fdt, set an environment variable
>> so that scripts can access the attached kernel.
>>
>> This can be used by a packaging program to tell U-Boot about a kernel
>> that has been downloaded alongside U-Boot. The value in the fdt is
>> the offset of the kernel from the start of the U-Boot image, so we can
>> find it just by adding CONFIG_SYS_TEXT_BASE.
>>
>> It is then fairly easy to put something like this in the environment
>> variables in the board header file:
>>
>> "if test ${kernaddr} != \"\"; then "\
>> "echo \"Using bundled kernel\"; "\
>> "bootm ${kernaddr};" \
>> "fi; "\
>> /* rest of boot sequence follows here */
>>
>> Signed-off-by: Simon Glass <s...@chromium.org>
>> ---
>> common/main.c | 16 ++++++++++++++++
>> 1 files changed, 16 insertions(+), 0 deletions(-)
>>
>> diff --git a/common/main.c b/common/main.c
>> index 03c63b4..3137b75 100644
>> --- a/common/main.c
>> +++ b/common/main.c
>> @@ -333,6 +333,20 @@ err:
>> hang();
>> }
>>
>> +static void process_fdt_options(const void *blob)
>> +{
>> + ulong addr;
>> +
>> + /* Add an env variable to point to a kernel payload, if available
>> */
>> + addr = fdtdec_get_config_int(gd->fdt_blob, "kernel-offset", 0);
>> + if (addr)
>> + setenv_addr("kernaddr", (void *)(CONFIG_SYS_TEXT_BASE +
>> addr));
>> +
>> + /* Add an env variable to point to a root disk, if available */
>> + addr = fdtdec_get_config_int(gd->fdt_blob, "rootdisk-offset", 0);
>> + if (addr)
>> + setenv_addr("rootaddr", (void *)(CONFIG_SYS_TEXT_BASE +
>> addr));
>> +}
>> #endif /* CONFIG_OF_CONTROL */
>>
>>
>> @@ -451,6 +465,8 @@ void main_loop (void)
>> if (env)
>> s = env;
>>
>> + process_fdt_options(gd->fdt_blob);
>> +
>> /*
>> * If the bootsecure option was chosen, use secure_boot_cmd().
>> * Always use 'env' in this case, since bootsecure requres that
>> the
>> --
>> 1.7.7.3
>>
>> _______________________________________________
>> U-Boot mailing list
>> U-Boot@lists.denx.de
>> http://lists.denx.de/mailman/listinfo/u-boot
>
>
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