Re: [PATCH V4 1/7] ARM: cygnus: Initial support for Broadcom Cygnus SoC

[Arnd Bergmann <arnd@arndb.de>]

On Thursday 09 October 2014 15:44:25 Scott Branden wrote:
> From: Jonathan Richardson <jonathar@broadcom.com>
> 
> Adds initial support for the Cygnus SoC based on Broadcom’s iProc series.
> Move ARCH_BCM_5301x under the ARCH_BCM_IPROC architecture.
> 
> Reviewed-by: Ray Jui <rjui@broadcom.com>
> Reviewed-by: Desmond Liu <desmondl@broadcom.com>
> Reviewed-by: JD (Jiandong) Zheng <jdzheng@broadcom.com>
> Tested-by: Jonathan Richardson <jonathar@broadcom.com>
> Signed-off-by: Scott Branden <sbranden@broadcom.com>

No signoff from the Author?

> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index b11ad54..85363de 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -1051,7 +1051,7 @@ config DEBUG_UART_PL01X
>  
>  # Compatibility options for 8250
>  config DEBUG_UART_8250
> -	def_bool ARCH_DOVE || ARCH_EBSA110 || \
> +	def_bool ARCH_BCM_IPROC || ARCH_DOVE || ARCH_EBSA110 || \
>  		(FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
>  		ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
>  		ARCH_IOP33X || ARCH_IXP4XX || \

As I mentioned before, this is the wrong option. Please use
DEBUG_LL_UART_8250 like all the modern platforms do.

> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
> index fc93800..b2b6752 100644
> --- a/arch/arm/mach-bcm/Kconfig
> +++ b/arch/arm/mach-bcm/Kconfig
> @@ -5,6 +5,53 @@ menuconfig ARCH_BCM
>  
>  if ARCH_BCM
>  
> +menu "iProc SoC based Machine types"
> +	config ARCH_BCM_IPROC
> +		bool "Broadcom ARMv7 iProc boards" if ARCH_MULTI_V7
> +		depends on ARCH_BCM_CYGNUS || ARCH_BCM_5301X

Please make this a silent option by dropping the text after 'bool',
and the 'depends on' line.

> +		select ARM_GIC
> +		select CACHE_L2X0
> +		select HAVE_ARM_SCU if SMP
> +		select HAVE_ARM_TWD if SMP
> +		select ARM_GLOBAL_TIMER
> +
> +		select CLKSRC_MMIO
> +		select ARCH_REQUIRE_GPIOLIB
> +		select ARM_AMBA
> +		select PINCTRL

> +
> +static const char const *bcm_cygnus_dt_compat[] = {
> +	"brcm,cygnus",
> +	NULL,
> +};
> +
> +DT_MACHINE_START(BCM_CYGNUS_DT, "Broadcom Cygnus SoC")
> +	.l2c_aux_val	= 0,
> +	.l2c_aux_mask	= ~0,
> +	.dt_compat = bcm_cygnus_dt_compat,
> +MACHINE_END
> 

This looks good now.

	Arnd