[U-Boot] [PATCH v5 6/6] mx6cuboxi: Load the correct 'fdtfile' variable

[Vagrant Cascadian]

On 2015-04-25, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at freescale.com>
>
> Instead of hardcoding the 'fdtfile' variable, let's detect the SoC and
> board variant on the fly and change the dtb name.
>
> Based on the scheme done on am335x board.
>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

Tested-By: Vagrant Cascadian <vagrant at debian.org>

> ---
> Changes since v4:
> - None
>
>  board/solidrun/mx6cuboxi/mx6cuboxi.c | 25 +++++++++++++++++++++++++
>  include/configs/mx6cuboxi.h          | 19 ++++++++++++++++---
>  2 files changed, 41 insertions(+), 3 deletions(-)
>
> diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> index 83410b2..e06186e 100644
> --- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
> +++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> @@ -212,6 +212,31 @@ int checkboard(void)
>  	return 0;
>  }
>  
> +static bool is_mx6q(void)
> +{
> +	if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
> +		return true;
> +	else
> +		return false;
> +}
> +
> +int board_late_init(void)
> +{
> +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
> +	if (is_hummingboard())
> +		setenv("board_name", "HUMMINGBOARD");
> +	else
> +		setenv("board_name", "CUBOXI");
> +
> +	if (is_mx6q)
> +		setenv("board_rev", "MX6Q");
> +	else
> +		setenv("board_rev", "MX6DL");
> +#endif
> +
> +	return 0;
> +}
> +
>  #ifdef CONFIG_SPL_BUILD
>  #include <asm/arch/mx6-ddr.h>
>  static const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = {
> diff --git a/include/configs/mx6cuboxi.h b/include/configs/mx6cuboxi.h
> index 98b48d5..b569f34 100644
> --- a/include/configs/mx6cuboxi.h
> +++ b/include/configs/mx6cuboxi.h
> @@ -29,6 +29,7 @@
>  
>  #define CONFIG_SYS_MALLOC_LEN		(2 * SZ_1M)
>  #define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_BOARD_LATE_INIT
>  #define CONFIG_MXC_GPIO
>  #define CONFIG_MXC_UART
>  #define CONFIG_CMD_FUSE
> @@ -81,14 +82,14 @@
>  #define CONFIG_MXC_UART_BASE	UART1_BASE
>  #define CONFIG_CONSOLE_DEV	"ttymxc0"
>  #define CONFIG_MMCROOT		"/dev/mmcblk0p2"
> -#define CONFIG_DEFAULT_FDT_FILE	"imx6q-hummingboard.dtb"
>  #define CONFIG_SYS_FSL_USDHC_NUM	1
>  #define CONFIG_SYS_MMC_ENV_DEV		0	/* SDHC2 */
>  
> +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
>  #define CONFIG_EXTRA_ENV_SETTINGS \
>  	"script=boot.scr\0" \
>  	"image=zImage\0" \
> -	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
> +	"fdtfile=undefined\0" \
>  	"fdt_addr_r=0x18000000\0" \
>  	"boot_fdt=try\0" \
>  	"ip_dyn=yes\0" \
> @@ -156,9 +157,21 @@
>  			"fi; " \
>  		"else " \
>  			"bootz; " \
> -		"fi;\0"
> +		"fi;\0" \
> +	"findfdt="\
> +		"if test $board_name = HUMMINGBOARD && test $board_rev = MX6Q ; then " \
> +			"setenv fdtfile imx6q-hummingboard.dtb; fi; " \
> +		"if test $board_name = HUMMINGBOARD && test $board_rev = MX6DL ; then " \
> +			"setenv fdtfile imx6dl-hummingboard.dtb; fi; " \
> +		"if test $board_name = CUBOXI && test $board_rev = MX6Q ; then " \
> +			"setenv fdtfile imx6q-cubox-i.dtb; fi; " \
> +		"if test $board_name = CUBOXI && test $board_rev = MX6DL ; then " \
> +			"setenv fdtfile imx6dl-cubox-i.dtb; fi; " \
> +		"if test $fdtfile = undefined; then " \
> +			"echo WARNING: Could not determine dtb to use; fi; \0" \
>  
>  #define CONFIG_BOOTCOMMAND \
> +	"run findfdt; " \
>  	"mmc dev ${mmcdev};" \
>  	"if mmc rescan; then " \
>  		"if run loadbootscript; then " \
> -- 
> 1.9.1


live well,
  vagrant
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