Re: [PATCH] ARM: debug: Add Iproc UART3 debug addresses

From: Baruch Siach
Date: Wed May 30 2018 - 08:38:19 EST


Hi Clément,

On Wed, May 30, 2018 at 02:29:22PM +0200, Clément Péron wrote:
> From: Clément Peron <clement.peron@xxxxxxxxxxxx>
>
> Broadcom Iproc SoCs typically use the UART3 for
> debug/console, provide a known good location for that.
>
> Signed-off-by: Clément Peron <clement.peron@xxxxxxxxxxxx>
> ---
> arch/arm/Kconfig.debug | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 199ebc1c4538..fa6fa1dae94d 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -207,6 +207,14 @@ choice
> depends on ARCH_BCM_HR2
> select DEBUG_UART_8250
>
> + config DEBUG_BCM_IPROC_UART3
> + bool "Kernel low-level debugging on BCM IPROC UART3"
> + depends on ARCH_BCM_CYGNUS
> + select DEBUG_UART_8250
> + help
> + Say Y here if you want the debug print routines to direct
> + their output to the third serial port on these devices.
> +
> config DEBUG_BCM_KONA_UART
> bool "Kernel low-level debugging messages via BCM KONA UART"
> depends on ARCH_BCM_MOBILE
> @@ -1564,6 +1572,7 @@ config DEBUG_UART_PHYS
> default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
> default 0x20201000 if DEBUG_BCM2835
> default 0x3f201000 if DEBUG_BCM2836
> + default 0x18023000 if DEBUG_BCM_IPROC_UART3

Entries are sorted by the address value. Except that DEBUG_BCM_KONA_UART
should be listed above DEBUG_BCM2836.

> default 0x3e000000 if DEBUG_BCM_KONA_UART
> default 0x4000e400 if DEBUG_LL_UART_EFM32
> default 0x40028000 if DEBUG_AT91_SAMV7_USART1
> @@ -1730,6 +1739,7 @@ config DEBUG_UART_VIRT
> default 0xfe018000 if DEBUG_MMP_UART3
> default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
> default 0xfe230000 if DEBUG_PICOXCELL_UART
> + default 0xf1023000 if DEBUG_BCM_IPROC_UART3

Same here.

> default 0xfe300000 if DEBUG_BCM_KONA_UART
> default 0xfe800000 if ARCH_IOP32X
> default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
> @@ -1791,7 +1801,7 @@ config DEBUG_UART_8250_WORD
> DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \
> DEBUG_ALPINE_UART0 || \
> DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
> - DEBUG_DAVINCI_DA8XX_UART2 || \
> + DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \
> DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2

baruch

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