[U-Boot] [PATCH 3/3] arm: socfpga: Enable saveenv for SD/MMC

[Dinh Nguyen]

On Tue, Sep 22, 2015 at 8:57 PM, Marek Vasut <marex at denx.de> wrote:
> On Wednesday, September 23, 2015 at 12:01:34 AM, dinguyen at opensource.altera.com
> wrote:
>> From: Dinh Nguyen <dinguyen at opensource.altera.com>
>>
>> Enable the able to save the environment variables when SD/MMC is used.
>>
>> Signed-off-by: Dinh Nguyen <dinguyen at opensource.altera.com>
>> ---
>> v2: Move this option to be on a per-board basis
>>     Add config for socfpga_cyclone5 and socfpga_arria5
>> ---
>>  include/configs/socfpga_arria5_socdk.h   | 4 ++++
>>  include/configs/socfpga_common.h         | 2 ++
>>  include/configs/socfpga_cyclone5_socdk.h | 4 ++++
>>  include/configs/socfpga_de0_nano_soc.h   | 4 ++++
>>  4 files changed, 14 insertions(+)
>>
>> diff --git a/include/configs/socfpga_arria5_socdk.h
>> b/include/configs/socfpga_arria5_socdk.h index 3193684..b75b0a2 100644
>> --- a/include/configs/socfpga_arria5_socdk.h
>> +++ b/include/configs/socfpga_arria5_socdk.h
>> @@ -59,6 +59,10 @@
>>
>>  #endif
>>
>> +#define CONFIG_ENV_IS_IN_MMC
>> +#define CONFIG_SYS_MMC_ENV_DEV               0       /* device 0 */
>> +#define CONFIG_ENV_OFFSET            512     /* just after the MBR */
>> +
>>  /* USB */
>>  #ifdef CONFIG_CMD_USB
>>  #define CONFIG_USB_DWC2_REG_ADDR     SOCFPGA_USB1_ADDRESS
>> diff --git a/include/configs/socfpga_common.h
>> b/include/configs/socfpga_common.h index a2811ba..249d70f 100644
>> --- a/include/configs/socfpga_common.h
>> +++ b/include/configs/socfpga_common.h
>> @@ -281,7 +281,9 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
>>  #define CONFIG_SYS_CONSOLE_IS_IN_ENV
>>  #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
>>  #define CONFIG_SYS_CONSOLE_ENV_OVERWRITE
>> +#if !defined CONFIG_ENV_IS_IN_MMC
>>  #define CONFIG_ENV_IS_NOWHERE
>> +#endif
>>  #define CONFIG_ENV_SIZE                      4096
>
> This would explode for boards which store env in for example QSPI,
>
> You should just define ENV_IS_NOWHERE for all the other boards.
>

I can add the saveenv support for SD/MMC for the sockit as well. What does
the mcvevk support?

Dinh