[U-Boot] [PATCH v4 0/5] qspi: qspi support for mx6sxsabresd

Peng Fan B51431 at freescale.com
Wed Dec 31 10:58:15 CET 2014



On 12/31/2014 5:35 PM, Jagan Teki wrote:
> On 31 December 2014 at 08:31, Peng Fan <Peng.Fan at freescale.com> wrote:
>> This patch set is to support qspi for mx6sxsabresd board.
>>
>> To mx6sxsabresd Revb board, 32M flash is used, but in header file,
>> CONFIG_SPI_FLASH_BAR is not defined, and we still use SZ_16M. The LUT
>> initialization qspi_set_lut function uses 32BIT addr, however
>> CONFIG_SPI_FLASH_BAR  and 24BIT addr should be used to access
>> bigger than 16MB size flash, and BRRD/BRWR should also be supported.
>> Future patches will fix this.
>
> Please do remember your self, for next patches. of-course I have added this
> note on "[U-Boot,v4,5/5] imx:mx6sxsabresd add qspi support" commit body.
>

Thanks. Actually I am doing the work.

>>
>> Since flash opcodes are not recommended to use in driver level, use
>> QSPI_CMD_xx to replace OPCODE_xx. It is qspi controller's feature
>> to program LUT with QSPI_CMD_xx which same value with OPCODE_xx.
>>
>> Since Revb board's qspi flash support 4K erase, 4K erase is added in driver.
>>
>> Peng Fan (5):
>>    QuadSPI: use QSPI_CMD_xx instead of flash opcodes
>>    QuadSPI: use correct amba_base
>>    arm:mx6sx add QSPI support
>>    imx:qspi add 4K erase support
>>    imx:mx6sxsabresd add qspi support
>>
>>   arch/arm/cpu/armv7/mx6/clock.c              |  50 ++++++++++
>>   arch/arm/include/asm/arch-mx6/clock.h       |   1 +
>>   arch/arm/include/asm/arch-mx6/imx-regs.h    |  12 +--
>>   board/freescale/mx6sxsabresd/mx6sxsabresd.c |  40 ++++++++
>>   drivers/spi/fsl_qspi.c                      | 137 +++++++++++++++++++---------
>>   include/configs/mx6sxsabresd.h              |  12 +++
>>   6 files changed, 205 insertions(+), 47 deletions(-)
>>
>> --
>> 1.8.4
>>
>>
>
> Applied to u-boot-spi/master
>
> thanks!
>
Regards,
Peng.


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