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at91_mci: Fix for 32k buffer.
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@ -140,8 +140,15 @@ static sXdmad *pXdmad = &XDMAD_Instance;
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* entire data cache, impacting overall system performance.
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* entire data cache, impacting overall system performance.
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*/
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*/
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#define BBCOUNT 2
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#define BBCOUNT 2
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#ifndef __rtems__
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#define BBSIZE (16*1024)
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#define BBSIZE (16*1024)
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#define MAX_BLOCKS ((BBSIZE*BBCOUNT)/512)
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#define MAX_BLOCKS ((BBSIZE*BBCOUNT)/512)
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#else /* __rtems__ */
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#define BBSIZE (32*1024)
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#define MAX_BLOCKS ((BBSIZE)/512)
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/* FIXME: It would be better to split the DMA up in that case like in the
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* original driver. But that would need some rework. */
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#endif /* __rtems__ */
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static int mci_debug;
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static int mci_debug;
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@ -935,7 +942,11 @@ at91_mci_start_cmd(struct at91_mci_softc *sc, struct mmc_command *cmd)
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bus_addr_t paddr;
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bus_addr_t paddr;
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int err;
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int err;
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#ifndef __rtems__
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if (remaining > (BBCOUNT*BBSIZE))
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if (remaining > (BBCOUNT*BBSIZE))
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#else /* __rtems__ */
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if (remaining > (BBSIZE))
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#endif /* __rtems__ */
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panic("IO read size exceeds MAXDATA\n");
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panic("IO read size exceeds MAXDATA\n");
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if (data->flags & MMC_DATA_READ) {
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if (data->flags & MMC_DATA_READ) {
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