[U-Boot] [PATCH v7 5/7] mips: ath79: add spi driver

[Wills Wang]

On Wednesday, January 27, 2016 09:33 AM, Marek Vasut wrote:
> On Saturday, January 16, 2016 at 07:13:51 PM, Wills Wang wrote:
>> Reviewed-by: Thomas Chou <thomas at wytron.com.tw>
>>
>> Signed-off-by: Wills Wang <wills.wang at live.com>
>> ---
>>
>> Changes in v7:
>> - Define spi_cs_activate/spi_cs_deactivate
>> - Rename MHZ to ATH79_SPI_MHZ
>> - Use clrsetbits_32
> The driver gets stuck if I do:
>
> => sf probe
> => sf read 0x81000000 0 0x20000
>
> If I transfer only 0x10000 , it doesn't get stuck.
>
> Best regards,
> Marek Vasut
ap121 # sf probe
SF: Detected W25Q64CV with page size 256 Bytes, erase size 4 KiB, total 
8 MiB, mapped at 9f000000
ap121 # sf read 0x81000000 0 0x20000
device 0 offset 0x0, size 0x20000
SF: 131072 bytes @ 0x0 Read: OK
ap121 # sf read 0x81000000 0 0x10000
device 0 offset 0x0, size 0x10000
SF: 65536 bytes @ 0x0 Read: OK
ap121 # sf read 0x81000000 0 0x1000
device 0 offset 0x0, size 0x1000
SF: 4096 bytes @ 0x0 Read: OK
ap121 # sf read 0x81000000 0 0x100
device 0 offset 0x0, size 0x100
SF: 256 bytes @ 0x0 Read: OK

-- 
Best Regards
Wills