From mboxrd@z Thu Jan  1 00:00:00 1970
From: shawnguo@kernel.org (Shawn Guo)
Date: Fri, 9 Mar 2018 09:19:10 +0800
Subject: [PATCH v4 2/3] ARM: debug: Add low level debug support for imx6sll
In-Reply-To: <1520501697-22202-2-git-send-email-ping.bai@nxp.com>
References: <1520501697-22202-1-git-send-email-ping.bai@nxp.com>
 <1520501697-22202-2-git-send-email-ping.bai@nxp.com>
Message-ID: <20180309011908.GA3217@dragon>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Thu, Mar 08, 2018 at 05:34:56PM +0800, Bai Ping wrote:
> Add low level debug support for i.MX6SLL.
> 
> Signed-off-by: Bai Ping <ping.bai@nxp.com>

With earlycon support in place, I'm not sure we want to add more SoC
low-level debug port.

Shawn

> ---
> change v1->v2:
>  - no
> change v2->v3:
>  - no
> change v3->v4:
>  - no
> ---
>  arch/arm/Kconfig.debug            |  9 +++++++++
>  arch/arm/include/debug/imx-uart.h | 10 ++++++++++
>  2 files changed, 19 insertions(+)
> 
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 78a6470..2197239 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -451,6 +451,13 @@ choice
>  		  Say Y here if you want kernel low-level debugging support
>  		  on i.MX6SL.
>  
> +	config DEBUG_IMX6SLL_UART
> +		bool "i.MX6SLL Debug UART"
> +		depends on SOC_IMX6SLL
> +		help
> +		  Say Y here if you want kernel low-level debugging support
> +		  on i.MX6SLL.
> +
>  	config DEBUG_IMX6SX_UART
>  		bool "i.MX6SX Debug UART"
>  		depends on SOC_IMX6SX
> @@ -1429,6 +1436,7 @@ config DEBUG_IMX_UART_PORT
>  						DEBUG_IMX53_UART || \
>  						DEBUG_IMX6Q_UART || \
>  						DEBUG_IMX6SL_UART || \
> +						DEBUG_IMX6SLL_UART || \
>  						DEBUG_IMX6SX_UART || \
>  						DEBUG_IMX6UL_UART || \
>  						DEBUG_IMX7D_UART
> @@ -1483,6 +1491,7 @@ config DEBUG_LL_INCLUDE
>  				 DEBUG_IMX53_UART ||\
>  				 DEBUG_IMX6Q_UART || \
>  				 DEBUG_IMX6SL_UART || \
> +				 DEBUG_IMX6SLL_UART || \
>  				 DEBUG_IMX6SX_UART || \
>  				 DEBUG_IMX6UL_UART || \
>  				 DEBUG_IMX7D_UART
> diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
> index bce58e9..24e60ce 100644
> --- a/arch/arm/include/debug/imx-uart.h
> +++ b/arch/arm/include/debug/imx-uart.h
> @@ -81,6 +81,14 @@
>  #define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR
>  #define IMX6SL_UART_BASE(n)	IMX6SL_UART_BASE_ADDR(n)
>  
> +#define IMX6SLL_UART1_BASE_ADDR 0x02020000
> +#define IMX6SLL_UART2_BASE_ADDR 0x02024000
> +#define IMX6SLL_UART3_BASE_ADDR 0x02034000
> +#define IMX6SLL_UART4_BASE_ADDR 0x02018000
> +#define IMX6SLL_UART5_BASE_ADDR 0x021f4000
> +#define IMX6SLL_UART_BASE_ADDR(n) IMX6SLL_UART##n##_BASE_ADDR
> +#define IMX6SLL_UART_BASE(n)	IMX6SLL_UART_BASE_ADDR(n)
> +
>  #define IMX6SX_UART1_BASE_ADDR	0x02020000
>  #define IMX6SX_UART2_BASE_ADDR	0x021e8000
>  #define IMX6SX_UART3_BASE_ADDR	0x021ec000
> @@ -133,6 +141,8 @@
>  #define UART_PADDR	IMX_DEBUG_UART_BASE(IMX6Q)
>  #elif defined(CONFIG_DEBUG_IMX6SL_UART)
>  #define UART_PADDR	IMX_DEBUG_UART_BASE(IMX6SL)
> +#elif defined(CONFIG_DEBUG_IMX6SLL_UART)
> +#define UART_PADDR	IMX_DEBUG_UART_BASE(IMX6SLL)
>  #elif defined(CONFIG_DEBUG_IMX6SX_UART)
>  #define UART_PADDR	IMX_DEBUG_UART_BASE(IMX6SX)
>  #elif defined(CONFIG_DEBUG_IMX6UL_UART)
> -- 
> 1.9.1
> 
> 
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