diff options
Diffstat (limited to 'sys/dev/sdhci/sdhci.c')
| -rw-r--r-- | sys/dev/sdhci/sdhci.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/dev/sdhci/sdhci.c b/sys/dev/sdhci/sdhci.c index bc83cf5..0ef0617 100644 --- a/sys/dev/sdhci/sdhci.c +++ b/sys/dev/sdhci/sdhci.c @@ -96,6 +96,8 @@ static void sdhci_card_task(void *, int); #define SDHCI_ASSERT_LOCKED(_slot) mtx_assert(&_slot->mtx, MA_OWNED); #define SDHCI_ASSERT_UNLOCKED(_slot) mtx_assert(&_slot->mtx, MA_NOTOWNED); +#define SDHCI_DEFAULT_MAX_FREQ 50 + static void sdhci_getaddr(void *arg, bus_dma_segment_t *segs, int nsegs, int error) { @@ -516,12 +518,16 @@ sdhci_init_slot(device_t dev, struct sdhci_slot *slot, int num) else caps = RD4(slot, SDHCI_CAPABILITIES); /* Calculate base clock frequency. */ - slot->max_clk = - (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT; + if (slot->version >= SDHCI_SPEC_300) + slot->max_clk = (caps & SDHCI_CLOCK_V3_BASE_MASK) + >> SDHCI_CLOCK_BASE_SHIFT; + else + slot->max_clk = (caps & SDHCI_CLOCK_BASE_MASK) + >> SDHCI_CLOCK_BASE_SHIFT; if (slot->max_clk == 0) { - slot->max_clk = 50; + slot->max_clk = SDHCI_DEFAULT_MAX_FREQ; device_printf(dev, "Hardware doesn't specify base clock " - "frequency.\n"); + "frequency, using %dMHz as default.\n", SDHCI_DEFAULT_MAX_FREQ); } slot->max_clk *= 1000000; /* Calculate timeout clock frequency. */ |
