Re: [PATCH] at91: at91sam9g20ek modify dual slot evaluation kit

From: Nicolas Ferre
Date: Tue Nov 03 2009 - 07:04:50 EST


Jean-Christophe PLAGNIOL-VILLARD :
>> + that embeds only one SD/MMC slot.
>> +
>> +config MACH_AT91SAM9G20EK_2MMC
>> + bool "Atmel AT91SAM9G20-EK Evaluation Kit with 2 SD/MMC Slots"
>> + depends on ARCH_AT91SAM9G20
>> + help
>> + Select this if you are using an Atmel AT91SAM9G20-EK Evaluation Kit
>> + with 2 SD/MMC Slots. This is the case for AT91SAM9G20-EK rev. C and
>> + onwards.
>>
>> config MACH_CPU9G20
>> bool "Eukrea CPU9G20 board"
>> @@ -392,7 +394,7 @@ config MTD_AT91_DATAFLASH_CARD
>>
>> config MTD_NAND_ATMEL_BUSWIDTH_16
>> bool "Enable 16-bit data bus interface to NAND flash"
>> - depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91SAM9G45EKES || MACH_AT91CAP9ADK)
>> + depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91SAM9G20EK_2MMC || MACH_AT91SAM9G45EKES || MACH_AT91CAP9ADK)
> it's time to replace this by select it at machine config state

Ok patches are comming now on top of this one.

>> @@ -254,7 +257,11 @@ static void __init ek_board_init(void)
>> /* Ethernet */
>> at91_add_device_eth(&ek_macb_data);
>> /* MMC */
>> +#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
>> at91_add_device_mci(0, &ek_mmc_data);
>> +#else
>> + at91_add_device_mmc(0, &ek_mmc_data);
>> +#endif
> do we really need to do this choice at board level?

Yes, you will choose on your board which driver will drive your sd/mmc
interface. The device file will give access to both of them.

Best regards,
--
Nicolas Ferre

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