[U-Boot] [PATCH v2] mx6: Fix get_board_rev() for the mx6 solo case

[Dirk Behme]

On 27.03.2013 18:36, Fabio Estevam wrote:
> When booting a Freescale kernel 3.0.35 on a Wandboard solo, the get_board_rev()
> returns 0x62xxx, which is not a value understood by the VPU 
> (Video Processing Unit) library in the kernel and causes the video playback to 
> fail.
> 
> The expected values for get_board_rev are:
> 0x63xxx: For mx6quad/dual
> 0x61xxx: For mx6dual-lite/solo
> 
> So adjust get_board_rev() accordingly and make it as weak function, so that we
> do not need to define it in every mx6 board file. 
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

Acked-by: Dirk Behme <dirk.behme at de.bosch.com>

Thanks

Dirk

> ---
> Changes since v1:
> - Avoid extra call to get_cpu_rev()
> 
>  arch/arm/cpu/armv7/mx6/soc.c                  |   12 ++++++++++++
>  board/boundary/nitrogen6x/nitrogen6x.c        |    5 -----
>  board/freescale/mx6qsabrelite/mx6qsabrelite.c |    5 -----
>  board/freescale/mx6qsabresd/mx6qsabresd.c     |    5 -----
>  board/wandboard/wandboard.c                   |    5 -----
>  5 files changed, 12 insertions(+), 20 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
> index 193ba12..4f3cd14 100644
> --- a/arch/arm/cpu/armv7/mx6/soc.c
> +++ b/arch/arm/cpu/armv7/mx6/soc.c
> @@ -61,6 +61,18 @@ u32 get_cpu_rev(void)
>  	return (type << 12) | (reg + 0x10);
>  }
>  
> +#ifdef CONFIG_REVISION_TAG
> +u32 __weak get_board_rev(void)
> +{
> +	u32 cpurev = get_cpu_rev();
> +	u32 type = ((cpurev >> 12) & 0xff);
> +	if (type == MXC_CPU_MX6SOLO)
> +		cpurev = (MXC_CPU_MX6DL) << 12 | (cpurev & 0xFFF);
> +
> +	return cpurev;
> +}
> +#endif
> +
>  void init_aips(void)
>  {
>  	struct aipstz_regs *aips1, *aips2;
> diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
> index 229c237..1b1bedf 100644
> --- a/board/boundary/nitrogen6x/nitrogen6x.c
> +++ b/board/boundary/nitrogen6x/nitrogen6x.c
> @@ -328,11 +328,6 @@ int board_mmc_init(bd_t *bis)
>  }
>  #endif
>  
> -u32 get_board_rev(void)
> -{
> -	return 0x63000;
> -}
> -
>  #ifdef CONFIG_MXC_SPI
>  iomux_v3_cfg_t const ecspi1_pads[] = {
>  	/* SS1 */
> diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c
> index 5b69a6d..782e5ba 100644
> --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c
> +++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c
> @@ -298,11 +298,6 @@ int board_mmc_init(bd_t *bis)
>  }
>  #endif
>  
> -u32 get_board_rev(void)
> -{
> -	return 0x63000 ;
> -}
> -
>  #ifdef CONFIG_MXC_SPI
>  iomux_v3_cfg_t const ecspi1_pads[] = {
>  	/* SS1 */
> diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c
> index 2b3926a..806769f 100644
> --- a/board/freescale/mx6qsabresd/mx6qsabresd.c
> +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c
> @@ -239,11 +239,6 @@ int board_eth_init(bd_t *bis)
>  	return 0;
>  }
>  
> -u32 get_board_rev(void)
> -{
> -	return 0x63000;
> -}
> -
>  int board_early_init_f(void)
>  {
>  	setup_iomux_uart();
> diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
> index d95189f..1e379fb 100644
> --- a/board/wandboard/wandboard.c
> +++ b/board/wandboard/wandboard.c
> @@ -168,11 +168,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -u32 get_board_rev(void)
> -{
> -	return get_cpu_rev();
> -}
> -
>  int checkboard(void)
>  {
>  	puts("Board: Wandboard\n");