[U-Boot] [PATCH 01/10] ddr: altera: stratix10: Move SDRAM size check to SDRAM driver

[Marek Vasut]

On 3/19/19 4:26 AM, Ley Foon Tan wrote:
> On Tue, Mar 12, 2019 at 7:03 PM Marek Vasut <marex at denx.de> wrote:
>>
>> On 3/12/19 9:31 AM, Ley Foon Tan wrote:
>>> Move SDRAM size check to SDRAM driver. sdram_calculate_size()
>>> is called in SDRAM initialization already, avoid calling
>>> twice in size check function.
>>>
>>> Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
>>> ---
>>>  arch/arm/mach-socfpga/spl_s10.c | 11 -----------
>>>  drivers/ddr/altera/sdram_s10.c  | 15 +++++++++++++++
>>>  2 files changed, 15 insertions(+), 11 deletions(-)
>>>
>>> diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c
>>> index a3db20a819..a141ffe82a 100644
>>> --- a/arch/arm/mach-socfpga/spl_s10.c
>>> +++ b/arch/arm/mach-socfpga/spl_s10.c
>>> @@ -181,17 +181,6 @@ void board_init_f(ulong dummy)
>>>               hang();
>>>       }
>>>
>>> -     gd->ram_size = sdram_calculate_size();
>>> -     printf("DDR: %d MiB\n", (int)(gd->ram_size >> 20));
>>> -
>>> -     /* Sanity check ensure correct SDRAM size specified */
>>> -     debug("DDR: Running SDRAM size sanity check\n");
>>> -     if (get_ram_size(0, gd->ram_size) != gd->ram_size) {
>>> -             puts("DDR: SDRAM size check failed!\n");
>>> -             hang();
>>> -     }
>>> -     debug("DDR: SDRAM size check passed!\n");
>>> -
>>>       mbox_init();
>>>
>>>  #ifdef CONFIG_CADENCE_QSPI
>>> diff --git a/drivers/ddr/altera/sdram_s10.c b/drivers/ddr/altera/sdram_s10.c
>>> index a48567c109..8895813440 100644
>>> --- a/drivers/ddr/altera/sdram_s10.c
>>> +++ b/drivers/ddr/altera/sdram_s10.c
>>> @@ -134,6 +134,17 @@ static int poll_hmc_clock_status(void)
>>>                                SYSMGR_HMC_CLK_STATUS_MSK, true, 1000, false);
>>>  }
>>>
>>> +static void sdram_size_check(void)
>>> +{
>>> +     /* Sanity check ensure correct SDRAM size specified */
>>> +     debug("DDR: Running SDRAM size sanity check\n");
>>> +     if (get_ram_size(0, gd->ram_size) != gd->ram_size) {
>>> +             puts("DDR: SDRAM size check failed!\n");
>>> +             hang();
>>> +     }
>>> +     debug("DDR: SDRAM size check passed!\n");
>>> +}
>>> +
>>>  /**
>>>   * sdram_mmr_init_full() - Function to initialize SDRAM MMR
>>>   *
>>> @@ -339,6 +350,8 @@ int sdram_mmr_init_full(unsigned int unused)
>>>       else
>>>               gd->ram_size = size;
>>>
>>> +     printf("DDR: %d MiB\n", (int)(gd->ram_size >> 20));
>>
>> Is the type cast needed?
> Yes, otherwise there is warning.

Maybe the warning is justified and needs to be fixed instead of hidden ?

[...]

-- 
Best regards,
Marek Vasut