diff options
Diffstat (limited to 'drivers/mmc/rockchip_sdhci.c')
| -rw-r--r-- | drivers/mmc/rockchip_sdhci.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index 706fb123579..35667b86b50 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -5,7 +5,6 @@ * Rockchip SD Host Controller Interface */ -#include <common.h> #include <clk.h> #include <dm.h> #include <dm/ofnode.h> @@ -391,6 +390,8 @@ static int rk3568_sdhci_config_dll(struct sdhci_host *host, u32 clock, bool enab static int rk3568_sdhci_set_ios_post(struct sdhci_host *host) { struct mmc *mmc = host->mmc; + struct rockchip_sdhc_plat *plat = dev_get_plat(mmc->dev); + struct mmc_config *cfg = &plat->cfg; u32 reg; reg = sdhci_readw(host, SDHCI_HOST_CONTROL2); @@ -437,6 +438,20 @@ static int rk3568_sdhci_set_ios_post(struct sdhci_host *host) sdhci_writew(host, reg, DWCMSHC_EMMC_EMMC_CTRL); + /* + * Reading more than 4 blocks with a single CMD18 command in PIO mode + * triggers Data End Bit Error using a slower mode than HS200. Limit to + * reading max 4 blocks in one command when using PIO mode. + */ + if (!(host->flags & USE_DMA)) { + if (mmc->selected_mode == MMC_HS_200 || + mmc->selected_mode == MMC_HS_400 || + mmc->selected_mode == MMC_HS_400_ES) + cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; + else + cfg->b_max = 4; + } + return 0; } @@ -598,16 +613,6 @@ static int rockchip_sdhci_probe(struct udevice *dev) dev_read_bool(dev, "u-boot,spl-fifo-mode")) host->flags &= ~USE_DMA; - /* - * Reading more than 4 blocks with a single CMD18 command in PIO mode - * triggers Data End Bit Error on RK3568 and RK3588. Limit to reading - * max 4 blocks in one command when using PIO mode. - */ - if (!(host->flags & USE_DMA) && - (device_is_compatible(dev, "rockchip,rk3568-dwcmshc") || - device_is_compatible(dev, "rockchip,rk3588-dwcmshc"))) - cfg->b_max = 4; - return sdhci_probe(dev); } |