diff options
| -rw-r--r-- | sys/arm/broadcom/bcm2835/bcm2835_sdhci.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c b/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c index 1b09986..f96fd4c 100644 --- a/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c +++ b/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c @@ -78,7 +78,12 @@ __FBSDID("$FreeBSD$"); #define dprintf(fmt, args...) #endif -static int bcm2835_sdhci_min_freq = 8000000; +/* + * Arasan HC seems to have problem with Data CRC on lower frequencies. + * Use this tunable to cap intilization sequence frequency at higher + * value. Default is standard 400KHz + */ +static int bcm2835_sdhci_min_freq = 400000; static int bcm2835_sdhci_hs = 1; TUNABLE_INT("hw.bcm2835.sdhci.min_freq", &bcm2835_sdhci_min_freq); @@ -346,12 +351,6 @@ static uint32_t bcm_sdhci_min_freq(device_t dev, struct sdhci_slot *slot) { - /* - * Arasan HC seems to have problem with - * Data CRC on lower frequencies. Cap minimum - * frequncy at 8MHz (or whatever set via tunable) - * to work around this issue - */ return bcm2835_sdhci_min_freq; } |
