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update SDIO protocol

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1979 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
luohui2320@gmail.com
2012-02-28 16:40:40 +00:00
parent b2d0a9c146
commit dea9c19e5e
12 changed files with 1699 additions and 36 deletions
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bsp/at91sam9260/at91_mci.c
+13 -2
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@@ -681,10 +681,10 @@ static void at91_mci_irq(int irq)
}
/*if (int_status & AT91_MCI_SDIOIRQA)
rt_mmcsd_signal_sdio_irq(host->mmc);
rt_mmcsd_signal_sdio_irq(host->mmc);*/
if (int_status & AT91_MCI_SDIOIRQB)
rt_mmcsd_signal_sdio_irq(host->mmc);*/
sdio_irq_wakeup(at_mci->host);
if (int_status & AT91_MCI_TXRDY)
mci_dbg("Ready to transmit\n");
@@ -778,10 +778,17 @@ static void at91_mci_set_iocfg(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cf
}
static void at91_mci_enable_sdio_irq(struct rt_mmcsd_host *host, rt_int32_t enable)
{
at91_mci_write(enable ? AT91_MCI_IER : AT91_MCI_IDR, AT91_MCI_SDIOIRQB);
}
static const struct rt_mmcsd_host_ops ops = {
at91_mci_request,
at91_mci_set_iocfg,
RT_NULL,
at91_mci_enable_sdio_irq,
};
void at91_mci_detect(int irq)
@@ -834,6 +841,10 @@ rt_int32_t at91_mci_init(void)
host->freq_max = 25000000;
host->valid_ocr = VDD_32_33 | VDD_33_34;
host->flags = MMCSD_BUSWIDTH_4 | MMCSD_MUTBLKWRITE;
host->max_seg_size = 65535;
host->max_dma_segs = 2;
host->max_blk_size = 512;
host->max_blk_count = 4096;
at_mci->host = host;