{
writel(0, host->base + MMCICOMMAND);
+ BUG_ON(host->data);
+
host->mrq = NULL;
host->cmd = NULL;
unsigned int datactrl, timeout, irqmask;
unsigned long long clks;
void __iomem *base;
+ int blksz_bits;
DBG(host, "blksz %04x blks %04x flags %08x\n",
- 1 << data->blksz_bits, data->blocks, data->flags);
+ data->blksz, data->blocks, data->flags);
host->data = data;
- host->size = data->blocks << data->blksz_bits;
+ host->size = data->blksz;
host->data_xfered = 0;
mmci_init_sg(host, data);
writel(timeout, base + MMCIDATATIMER);
writel(host->size, base + MMCIDATALENGTH);
- datactrl = MCI_DPSM_ENABLE | data->blksz_bits << 4;
+ blksz_bits = ffs(data->blksz) - 1;
+ BUG_ON(1 << blksz_bits != data->blksz);
+
+ datactrl = MCI_DPSM_ENABLE | blksz_bits << 4;
if (data->flags & MMC_DATA_READ) {
datactrl |= MCI_DPSM_DIRECTION;
irqmask = MCI_RXFIFOHALFFULLMASK;
unsigned int status)
{
if (status & MCI_DATABLOCKEND) {
- host->data_xfered += 1 << data->blksz_bits;
+ host->data_xfered += data->blksz;
}
if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
if (status & MCI_DATACRCFAIL)
}
if (!cmd->data || cmd->error != MMC_ERR_NONE) {
+ if (host->data)
+ mmci_stop_data(host);
mmci_request_end(host, cmd->mrq);
} else if (!(cmd->data->flags & MMC_DATA_READ)) {
mmci_start_data(host, cmd->data);
/*
* PIO data transfer IRQ handler.
*/
-static irqreturn_t mmci_pio_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
{
struct mmci_host *host = dev_id;
void __iomem *base = host->base;
/*
* Handle completion of command and data transfers.
*/
-static irqreturn_t mmci_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mmci_irq(int irq, void *dev_id)
{
struct mmci_host *host = dev_id;
u32 status;
}
}
-static struct mmc_host_ops mmci_ops = {
+static const struct mmc_host_ops mmci_ops = {
.request = mmci_request,
.set_ios = mmci_set_ios,
};
mmc->f_min = (host->mclk + 511) / 512;
mmc->f_max = min(host->mclk, fmax);
mmc->ocr_avail = plat->ocr_mask;
+ mmc->caps = MMC_CAP_MULTIWRITE;
/*
* We can do SGIO
/*
* Since we only have a 16-bit data length register, we must
* ensure that we don't exceed 2^16-1 bytes in a single request.
- * Choose 64 (512-byte) sectors as the limit.
*/
- mmc->max_sectors = 64;
+ mmc->max_req_size = 65535;
/*
* Set the maximum segment size. Since we aren't doing DMA
* (yet) we are only limited by the data length register.
*/
- mmc->max_seg_size = mmc->max_sectors << 9;
+ mmc->max_seg_size = mmc->max_req_size;
+
+ /*
+ * Block size can be up to 2048 bytes, but must be a power of two.
+ */
+ mmc->max_blk_size = 2048;
+
+ /*
+ * No limit on the number of blocks transferred.
+ */
+ mmc->max_blk_count = mmc->max_req_size;
spin_lock_init(&host->lock);