diff options
| -rw-r--r-- | drivers/mmc/host/mmci.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 0e04138b1759..7cc89beee87f 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -53,6 +53,7 @@ static unsigned int fmax = 515633; * @sdio: variant supports SDIO * @st_clkdiv: true if using a ST-specific clock divider algorithm * @blksz_datactrl16: true if Block size is at b16..b30 position in datactrl register + * @pwrreg_powerup: power up value for MMCIPOWER register */ struct variant_data { unsigned int clkreg; @@ -63,18 +64,21 @@ struct variant_data { bool sdio; bool st_clkdiv; bool blksz_datactrl16; + u32 pwrreg_powerup; }; static struct variant_data variant_arm = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, .datalength_bits = 16, + .pwrreg_powerup = MCI_PWR_UP, }; static struct variant_data variant_arm_extended_fifo = { .fifosize = 128 * 4, .fifohalfsize = 64 * 4, .datalength_bits = 16, + .pwrreg_powerup = MCI_PWR_UP, }; static struct variant_data variant_u300 = { @@ -83,6 +87,7 @@ static struct variant_data variant_u300 = { .clkreg_enable = MCI_ST_U300_HWFCEN, .datalength_bits = 16, .sdio = true, + .pwrreg_powerup = MCI_PWR_ON, }; static struct variant_data variant_ux500 = { @@ -93,6 +98,7 @@ static struct variant_data variant_ux500 = { .datalength_bits = 24, .sdio = true, .st_clkdiv = true, + .pwrreg_powerup = MCI_PWR_ON, }; static struct variant_data variant_ux500v2 = { @@ -104,6 +110,7 @@ static struct variant_data variant_ux500v2 = { .sdio = true, .st_clkdiv = true, .blksz_datactrl16 = true, + .pwrreg_powerup = MCI_PWR_ON, }; /* @@ -1009,6 +1016,7 @@ static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct mmci_host *host = mmc_priv(mmc); + struct variant_data *variant = host->variant; u32 pwr = 0; unsigned long flags; int ret; @@ -1035,11 +1043,15 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (host->plat->vdd_handler) pwr |= host->plat->vdd_handler(mmc_dev(mmc), ios->vdd, ios->power_mode); - /* The ST version does not have this, fall through to POWER_ON */ - if (host->hw_designer != AMBA_VENDOR_ST) { - pwr |= MCI_PWR_UP; - break; - } + + /* + * The ST Micro variant doesn't have the PL180s MCI_PWR_UP + * and instead uses MCI_PWR_ON so apply whatever value is + * configured in the variant data. + */ + pwr |= variant->pwrreg_powerup; + + break; case MMC_POWER_ON: pwr |= MCI_PWR_ON; break; |