[U-Boot] [PATCH 2/2 V3] powerpc/esdhc: Add 3.3v voltage support in esdhc capacity register

Zhang Haijun b42677 at freescale.com
Thu Oct 31 09:33:50 CET 2013


Thanks a lot.


? 2013/10/31 15:53, Pantelis Antoniou ??:
> Hi Haijun,
>
> On Oct 31, 2013, at 3:38 AM, Haijun Zhang wrote:
>
>> T4240QDS eSDHC host capabilities reigster should have VS33 bit define.
>> Add quirk CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33 to deal with capacity
>> missing
>>
>> Signed-off-by: Roy Zang <tie-fei.zang at freescale.com>
>> Signed-off-by: Haijun Zhang <Haijun.Zhang at freescale.com>
>> ---
>> changes for V3:
>> 	- Move the macro define to T4240QDS.h
>>
>> drivers/mmc/fsl_esdhc.c    | 6 ++++++
>> include/configs/T4240QDS.h | 1 +
>> 2 files changed, 7 insertions(+)
>>
>> diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
>> index d4c1eef..b8b2907 100644
>> --- a/drivers/mmc/fsl_esdhc.c
>> +++ b/drivers/mmc/fsl_esdhc.c
>> @@ -545,6 +545,12 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
>> 	caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
>> 			ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
>> #endif
>> +
>> +/* T4240 host controller capabilities register should have VS33 bit */
>> +#ifdef CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
>> +	caps = caps | ESDHC_HOSTCAPBLT_VS33;
>> +#endif
>> +
>> 	if (caps & ESDHC_HOSTCAPBLT_VS18)
>> 		voltage_caps |= MMC_VDD_165_195;
>> 	if (caps & ESDHC_HOSTCAPBLT_VS30)
>> diff --git a/include/configs/T4240QDS.h b/include/configs/T4240QDS.h
>> index 590799c..3777ccb 100644
>> --- a/include/configs/T4240QDS.h
>> +++ b/include/configs/T4240QDS.h
>> @@ -463,6 +463,7 @@ unsigned long get_board_ddr_clk(void);
>> #define CONFIG_CMD_EXT2
>> #define CONFIG_CMD_FAT
>> #define CONFIG_DOS_PARTITION
>> +#define CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
>> #endif
>>
>> #define CONFIG_BOOTDELAY	10	/* -1 disables auto-boot */
>> -- 
>> 1.8.4
>>
>>
> Applied, thanks.
>
> Acked-by: Pantelis Antoniou <panto at antoniou-consulting.com>
>
>

-- 
Thanks & Regards
Haijun.



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