[U-Boot] [PATCH v3 08/16] dm: Set up driver model after relocation

[Marek Vasut <marex@denx.de>]

Dear Simon Glass,

> Make driver model available after relocation, by setting up data structures
> and scanning for devices using compiled-in platform_data and (when
> available) the device tree.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
> Changes in v3: None
> Changes in v2: None
> 
>  common/board_r.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/common/board_r.c b/common/board_r.c
> index f5649c9..5fe86ef 100644
> --- a/common/board_r.c
> +++ b/common/board_r.c
> @@ -34,6 +34,7 @@
>  #ifdef CONFIG_HAS_DATAFLASH
>  #include <dataflash.h>
>  #endif
> +#include <dm.h>
>  #include <environment.h>
>  #include <fdtdec.h>
>  #if defined(CONFIG_CMD_IDE)
> @@ -66,7 +67,9 @@
>  #ifdef CONFIG_X86
>  #include <asm/init_helpers.h>
>  #endif
> +#include <dm/root.h>
>  #include <linux/compiler.h>
> +#include <linux/err.h>
> 
>  DECLARE_GLOBAL_DATA_PTR;
> 
> @@ -269,6 +272,33 @@ static int initr_malloc(void)
>  	return 0;
>  }
> 
> +#ifdef CONFIG_DM
> +static int initr_dm(void)
> +{
> +	int ret;
> +
> +	ret = dm_init();
> +	if (ret) {
> +		debug("dm_init() failed: %d\n", ret);
> +		return ret;
> +	}
> +	ret = dm_scan_platform_data();
> +	if (ret) {
> +		debug("dm_scan_platform_data() failed: %d\n", ret);
> +		return ret;
> +	}
> +#ifdef CONFIG_OF_CONTROL
> +	ret = dm_scan_fdt(gd->fdt_blob);

This part is _very_ nice!

> +	if (ret) {
> +		debug("dm_scan_fdt() failed: %d\n", ret);
> +		return ret;
> +	}
> +#endif
> +
> +	return 0;
> +}
> +#endif
> +
>  __weak int power_init_board(void)
>  {
>  	return 0;
> @@ -766,6 +796,9 @@ init_fnc_t init_sequence_r[] = {
>  	initr_barrier,
>  	initr_malloc,
>  	bootstage_relocate,
> +#ifdef CONFIG_DM
> +	initr_dm,
> +#endif
>  #ifdef CONFIG_ARCH_EARLY_INIT_R
>  	arch_early_init_r,
>  #endif

Best regards,
Marek Vasut