| Message ID | 1406788772-23377-4-git-send-email-voice.shen@atmel.com |
|---|---|
| State | Accepted |
| Delegated to: | Pantelis Antoniou |
| Headers | show |
Hi Bo, On Jul 31, 2014, at 9:39 AM, Bo Shen wrote: > If the MCI IP version >= 0x300, it supports hight speed mode > option, this patch enable it. > > Signed-off-by: Bo Shen <voice.shen@atmel.com> > --- > drivers/mmc/gen_atmel_mci.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c > index 8778a4d..45bcffb 100644 > --- a/drivers/mmc/gen_atmel_mci.c > +++ b/drivers/mmc/gen_atmel_mci.c > @@ -110,6 +110,9 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen) > if (version >= 0x200) > writel(MMCI_BF(BLKLEN, blklen), &mci->blkr); > > + if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS) > + writel(MMCI_BIT(HSMODE), &mci->cfg); > + > initialized = 1; > } > > @@ -404,8 +407,10 @@ int atmel_mci_init(void *regs) > /* need to be able to pass these in on a board by board basis */ > cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; > version = atmel_mci_get_version(mci); > - if ((version & 0xf00) >= 0x300) > + if ((version & 0xf00) >= 0x300) { > cfg->host_caps = MMC_MODE_8BIT; > + cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz; > + } > > cfg->host_caps |= MMC_MODE_4BIT; > > -- > 1.8.5.2 > Applied, thanks. -- Pantelis
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c index 8778a4d..45bcffb 100644 --- a/drivers/mmc/gen_atmel_mci.c +++ b/drivers/mmc/gen_atmel_mci.c @@ -110,6 +110,9 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen) if (version >= 0x200) writel(MMCI_BF(BLKLEN, blklen), &mci->blkr); + if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS) + writel(MMCI_BIT(HSMODE), &mci->cfg); + initialized = 1; } @@ -404,8 +407,10 @@ int atmel_mci_init(void *regs) /* need to be able to pass these in on a board by board basis */ cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; version = atmel_mci_get_version(mci); - if ((version & 0xf00) >= 0x300) + if ((version & 0xf00) >= 0x300) { cfg->host_caps = MMC_MODE_8BIT; + cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz; + } cfg->host_caps |= MMC_MODE_4BIT;
If the MCI IP version >= 0x300, it supports hight speed mode option, this patch enable it. Signed-off-by: Bo Shen <voice.shen@atmel.com> --- drivers/mmc/gen_atmel_mci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)