[PATCH 6/6] ARM: bcm476x: Instantiate console UART

[Jean-Christophe PLAGNIOL-VILLARD]

On 03:53 Sun 07 Oct     , Domenico Andreoli wrote:
> From: Domenico Andreoli <domenico.andreoli at linux.com>
> 
> The BCM476x sports standard PL011 UARTs which are fully described and
> put to use with these few changes.
> 
> Signed-off-by: Domenico Andreoli <domenico.andreoli at linux.com>
> ---
>  arch/arm/Kconfig.debug         |   16 ++++++++++++++++
>  arch/arm/boot/dts/bcm476x.dtsi |   23 ++++++++++++++++++++++-
>  2 files changed, 38 insertions(+), 1 deletion(-)
> 
> Index: b/arch/arm/boot/dts/bcm476x.dtsi
> ===================================================================
> --- a/arch/arm/boot/dts/bcm476x.dtsi
> +++ b/arch/arm/boot/dts/bcm476x.dtsi
> @@ -5,7 +5,7 @@
>  	model = "Broadcom BCM476x";
>  
>  	chosen {
> -		bootargs = "earlyprintk";
> +		bootargs = "console=ttyAMA1";
>  	};
>  
>  	amba {
> @@ -41,5 +41,26 @@
>  			interrupt-controller;
>  			#interrupt-cells = <1>;
>  		};
> +
> +		uart0 at c0000 {
> +			compatible = "brcm,bcm476x-pl011", "arm,pl011", "arm,primecell";
why brcm specific compatible did broadcom customised the IP?
> +			reg = <0xc0000 0x1000>;
> +			interrupt-parent = <&vic0>;
> +			interrupts = <14>;
> +		};
> +
> +		uart1 at c1000 {
> +			compatible = "brcm,bcm476x-pl011", "arm,pl011", "arm,primecell";
> +			reg = <0xc1000 0x1000>;
> +			interrupt-parent = <&vic0>;
> +			interrupts = <15>;
> +		};
> +
> +		uart2 at b2000 {
> +			compatible = "brcm,bcm476x-pl011", "arm,pl011", "arm,primecell";
> +			reg = <0xb2000 0x1000>;
> +			interrupt-parent = <&vic0>;
> +			interrupts = <16>;
> +		};
>  	};
>  };
> Index: b/arch/arm/Kconfig.debug
> ===================================================================
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
this should come with the debug patch
> @@ -89,6 +89,18 @@ choice
>  		bool "Kernel low-level debugging on 9263 and 9g45"
>  		depends on HAVE_AT91_DBGU1
>  
> +	config DEBUG_BCM476X_UART0
> +		depends on ARCH_BCM476X
> +		bool "Kernel low-level debugging on BCM476x UART 0"
> +
> +	config DEBUG_BCM476X_UART1
> +		depends on ARCH_BCM476X
> +		bool "Kernel low-level debugging on BCM476x UART 1"
> +
> +	config DEBUG_BCM476X_UART2
> +		depends on ARCH_BCM476X
> +		bool "Kernel low-level debugging on BCM476x UART 2"
> +
>  	config DEBUG_CLPS711X_UART1
>  		bool "Kernel low-level debugging messages via UART1"
>  		depends on ARCH_CLPS711X
> @@ -404,6 +416,8 @@ endchoice
>  
>  config DEBUG_LL_INCLUDE
>  	string
> +	default "debug/bcm476x.S" if DEBUG_BCM476X_UART0 || \
> +		DEBUG_BCM476X_UART1 || DEBUG_BCM476X_UART2
>  	default "debug/icedcc.S" if DEBUG_ICEDCC
>  	default "debug/highbank.S" if DEBUG_HIGHBANK_UART
>  	default "debug/mvebu.S" if DEBUG_MVEBU_UART
> @@ -416,6 +430,8 @@ config DEBUG_LL_INCLUDE
>  
>  config UNCOMPRESS_INCLUDE
>  	string
> +	default "debug/bcm476x-uncompress.h" if DEBUG_BCM476X_UART0 || \
> +		DEBUG_BCM476X_UART1 || DEBUG_BCM476X_UART2
>  	default "debug/icedcc-uncompress.h" if DEBUG_ICEDCC
>  	default "debug/mvebu-uncompress.h" if DEBUG_MVEBU_UART
>  	default "debug/tegra-uncompress.h" if DEBUG_TEGRA_UART
Best Regards,
J.
> 
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