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SubjectRe: [PATCH v5 07/11] ARM: at91: select ATMEL_EBI when compiling a kernel for at91sam9 or sama5d3
Le 03/12/2014 21:44, Boris Brezillon a écrit :
> at91sam9* and sama5d* SoCs have an EBI (External Bus Interface).
> Select the ATMEL_EBI driver when support for these SoCs is selected.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
> .../bindings/memory-controllers/atmel-ebi.txt | 18 +++++++++---------
> arch/arm/mach-at91/Kconfig | 2 ++
> 2 files changed, 11 insertions(+), 9 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/memory-controllers/atmel-ebi.txt b/Documentation/devicetree/bindings/memory-controllers/atmel-ebi.txt
> index 3749ea1..68af1ad 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/atmel-ebi.txt
> +++ b/Documentation/devicetree/bindings/memory-controllers/atmel-ebi.txt
> @@ -16,6 +16,7 @@ Required properties:
> "atmel,at91sam9261-ebi"
> "atmel,at91sam9263-ebi0"
> "atmel,at91sam9263-ebi1"
> + "atmel,at91sam9rl-ebi"
> "atmel,at91sam9g45-ebi"
> "atmel,at91sam9x5-ebi"
> "atmel,sama5d3-ebi"
> @@ -51,15 +52,14 @@ Required child cs node properties:
> memory layout.
>
> Optional child cs node properties:
> -- atmel,generic-dev boolean property specifying if the device is
> - a generic device.
> +- atmel,specialized-logic boolean property specifying if the device is
> + a connected to a specialized logic:
> + NAND, Compact Flash, SDR-SDRAM.

Ah, ok, seen it here.

> The following properties are only parsed if
> - this property is present.
> - Specialized devices are attached to specialized
> - controllers which are responsible for
> - configuring the bus appropriately.
> - Here are some examples of specialized
> - controllers: NAND, CompactFlash, SDR-SDRAM.
> + this property is absent.
> + If this property is set, specialized controller
> + drivers are responsible for configuring the bus
> + appropriately.
>
> - atmel,bus-width: width of the asynchronous device's data bus
> 8, 16 or 32.
> @@ -99,7 +99,7 @@ present 0 is assumed):
> - atmel,tdf-optimized data float optimized mode. If present the data
> float time is optimized depending on the next
> device being accessed (next device setup
> - time is substracted to the current devive data
> + time is subtracted to the current device data
> float time).
>
>
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 0e6d548..78b1412 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -49,6 +49,7 @@ config SOC_AT91SAM9
> select GENERIC_CLOCKEVENTS
> select MEMORY if USE_OF
> select ATMEL_SDRAMC if USE_OF
> + select ATMEL_EBI
>
> config SOC_SAMA5
> bool
> @@ -58,6 +59,7 @@ config SOC_SAMA5
> select USE_OF
> select MEMORY
> select ATMEL_SDRAMC
> + select ATMEL_EBI
>
> menu "Atmel AT91 System-on-Chip"
>
>


--
Nicolas Ferre


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