[U-Boot] [PATCH] imx: mx6: fix USB bmode to use reserved value

Troy Kisky troy.kisky at boundarydevices.com
Fri Sep 16 00:46:48 CEST 2016


On 9/15/2016 3:04 PM, Stefan Agner wrote:
> From: Stefan Agner <stefan.agner at toradex.com>
> 
> Currently the bmode "usb" uses BOOT_CFG1 to 0x01, -which means
> BOOT_CFG1[7:4] is set to b0000. According to Table 8-7 Boot
> Device Selection this is NOR/OneNAND and not Reserved.
> 
> Use 0x10 which leads to b0001, which is a Reserved boot device.
> With that the SoC reliably falls back to the serial loader.
> 
> Cc: Troy Kisky <troy.kisky at boundarydevices.com>
> Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
> ---
> 
>  arch/arm/cpu/armv7/mx6/soc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
> index 88fcfdc..c343c57 100644
> --- a/arch/arm/cpu/armv7/mx6/soc.c
> +++ b/arch/arm/cpu/armv7/mx6/soc.c
> @@ -494,7 +494,7 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
>  const struct boot_mode soc_boot_modes[] = {
>  	{"normal",	MAKE_CFGVAL(0x00, 0x00, 0x00, 0x00)},
>  	/* reserved value should start rom usb */
> -	{"usb",		MAKE_CFGVAL(0x01, 0x00, 0x00, 0x00)},
> +	{"usb",		MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
>  	{"sata",	MAKE_CFGVAL(0x20, 0x00, 0x00, 0x00)},
>  	{"ecspi1:0",	MAKE_CFGVAL(0x30, 0x00, 0x00, 0x08)},
>  	{"ecspi1:1",	MAKE_CFGVAL(0x30, 0x00, 0x00, 0x18)},
> 

Tested-by: Troy Kisky <troy.kisky at boundarydevices.com>




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