From: Siva Durga Prasad Paladugu Date: Tue, 12 Jan 2016 09:42:16 +0000 (+0530) Subject: mmc: zynq_sdhci: Added qurik to disable high speed X-Git-Tag: v2016.03-rc1~46^2~40 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b21561463885d4c2f40a133dae1ff00ef3f0175f;p=u-boot mmc: zynq_sdhci: Added qurik to disable high speed Add quirk to disable high speed incase the high speed was broken.This solves the issue where the the controller is used in High Speed Mode and the the hold time requirement for the JEDEC/MMC 4.41 specification is NOT met. This timing issue is not on all boards and hence provided config option to enable it when required. Signed-off-by: Siva Durga Prasad Paladugu Signed-off-by: Emil Lenchak Signed-off-by: Michal Simek --- diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index f21ea524af..039ec16e91 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -24,6 +24,11 @@ static int arasan_sdhci_probe(struct udevice *dev) host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_BROKEN_R1B; + +#ifdef CONFIG_ZYNQ_HISPD_BROKEN + host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; +#endif + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ,