[U-Boot] [PATCH 1/8][RESEND] powerpc/dts: setup fdt blob at __init_end

Bin Meng bmeng.cn at gmail.com
Tue Aug 21 11:58:19 UTC 2018


Hi Jagdish,

On Wed, Aug 22, 2018 at 2:18 AM, Jagdish Gediya <jagdish.gediya at nxp.com> wrote:
> '__init_end' is defined in ld file. define 'board_fdt_blob_setup'
> to setup the fdt blob at '&__init_end'.
>
> Signed-off-by: Jagdish Gediya <jagdish.gediya at nxp.com>
> ---
>  arch/powerpc/cpu/mpc8xxx/fdt.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c
> index 0d877c4..a7f61fe 100644
> --- a/arch/powerpc/cpu/mpc8xxx/fdt.c
> +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c
> @@ -12,6 +12,7 @@
>  #include <fdt_support.h>
>  #include <asm/mp.h>
>  #include <asm/fsl_serdes.h>
> +#include <asm/sections.h>
>  #include <phy.h>
>  #include <hwconfig.h>
>
> @@ -19,6 +20,17 @@
>  #define CONFIG_USB_MAX_CONTROLLER_COUNT        1
>  #endif
>
> +#ifdef CONFIG_OF_SEPARATE
> +void *board_fdt_blob_setup(void)

Instead of creating an mpc85xx-specific board_fdt_blob_setup(), can we
modify the mpc85xx linker scripts to use common _end symbol instead of
the __init_end symbol so that the generic board_fdt_blob_setup() can
be used?

> +{
> +       void *fdt_blob = NULL;
> +
> +       fdt_blob = (ulong *)&__init_end;
> +
> +       return fdt_blob;
> +}
> +#endif
> +
>  #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
>  static int ft_del_cpuhandle(void *blob, int cpuhandle)
>  {
> --

Regards,
Bin


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