From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Mon, 14 Sep 2015 08:56:52 -0700 Subject: [U-Boot] [PATCH 1/3] mmc: fsl_esdhc: enable dat[4:7] for eMMC4.5 In-Reply-To: <1442199877-1280-1-git-send-email-yangbo.lu@freescale.com> References: <1442199877-1280-1-git-send-email-yangbo.lu@freescale.com> Message-ID: <55F6EE44.3050102@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Yangbo, On 09/13/2015 08:04 PM, Yangbo Lu wrote: > If adapter card type identification is supported for platform, we would > enable dat[4:7] for eMMC4.5 card. > > Signed-off-by: Yangbo Lu > Cc: York Sun > --- > board/freescale/common/qixis.h | 2 ++ > drivers/mmc/fsl_esdhc.c | 3 +++ > 2 files changed, 5 insertions(+) > > diff --git a/board/freescale/common/qixis.h b/board/freescale/common/qixis.h > index 51ce9c3..450cd0d 100644 > --- a/board/freescale/common/qixis.h > +++ b/board/freescale/common/qixis.h > @@ -127,6 +127,8 @@ void qixis_write_i2c(unsigned int reg, u8 value); > #define QIXIS_ESDHC_NO_ADAPTER 0x7 /* No Card is Present*/ > #define QIXIS_SDCLKIN 0x08 > #define QIXIS_SDCLKOUT 0x02 > +#define QIXIS_DAT5_6_7 0X02 > +#define QIXIS_DAT4 0X01 > #endif > > #endif > diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c > index 0b37002..639ec02 100644 > --- a/drivers/mmc/fsl_esdhc.c > +++ b/drivers/mmc/fsl_esdhc.c > @@ -747,6 +747,9 @@ void mmc_adapter_card_type_ident(void) > > switch (card_id) { > case QIXIS_ESDHC_ADAPTER_TYPE_EMMC45: > + value = QIXIS_READ(brdcfg[5]); > + value |= (QIXIS_DAT4 | QIXIS_DAT5_6_7); > + QIXIS_WRITE(brdcfg[5], value); > break; > case QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY: > break; > Does any other board have this identification feature? I see the code only use qixis. How are RDB and customer boards handled? York