[U-Boot] [PATCH 4/6] zynqmp: Add SPI driver support for ZynqMP

Michal Simek michal.simek at xilinx.com
Fri Apr 17 07:32:12 CEST 2015


On 04/16/2015 08:13 PM, Jagan Teki wrote:
> On 15 April 2015 at 19:03, Michal Simek <michal.simek at xilinx.com> wrote:
>> From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
>>
>> Added the SPI driver support for ZynqMP
>> The controller is same as zynq SPI controller
>>
>> Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
>> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
>> ---
>>
>>  arch/arm/include/asm/arch-zynqmp/hardware.h | 3 +++
>>  include/configs/xilinx_zynqmp.h             | 8 ++++++++
>>  2 files changed, 11 insertions(+)
>>
>> diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
>> index 1fedb1bb4b94..c9dc49d78317 100644
>> --- a/arch/arm/include/asm/arch-zynqmp/hardware.h
>> +++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
>> @@ -11,6 +11,9 @@
>>  #define ZYNQ_SERIAL_BASEADDR0  0xFF000000
>>  #define ZYNQ_SERIAL_BASEADDR1  0xFF001000
>>
>> +#define ZYNQ_SPI_BASEADDR0     0xFF040000
>> +#define ZYNQ_SPI_BASEADDR1     0xFF050000
>> +
>>  #define ZYNQ_I2C_BASEADDR0     0xFF020000
>>  #define ZYNQ_I2C_BASEADDR1     0xFF030000
>>
>> diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
>> index 54bca6d47b72..df7541b85baf 100644
>> --- a/include/configs/xilinx_zynqmp.h
>> +++ b/include/configs/xilinx_zynqmp.h
>> @@ -71,6 +71,14 @@
>>  #define CONFIG_CMD_ELF
>>  #define CONFIG_MP
>>
>> +/* SPI */
>> +#ifdef CONFIG_ZYNQ_SPI
>> +# define CONFIG_SPI_FLASH
>> +# define CONFIG_SPI_FLASH_SST
>> +# define CONFIG_CMD_SPI
> 
> CMD_SPI is never been verified I suppose, if so not required at this
> point of time.

It is enabled on 75 platforms that's why I can't see any problem with
it. If something is not verified then it should be verified. If it is
completely broken it should be removed.

Thanks,
Michal


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