Not all targets have IRQ1 line routed from the SD controller to
the processor. So we cannot rely on IRQ1 for PIO interrupts.
This patch moves all PIO interrupts to IRQ0 and enables the PIO
mode.
Signed-off-by: Murali Palnati <palnatim@codeaurora.org>
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
msmsdcc_writel(host, host->cmd_timeout, MMCIDATATIMER);
msmsdcc_writel(host, (unsigned int)host->curr.xfer_size,
MMCIDATALENGTH);
msmsdcc_writel(host, host->cmd_timeout, MMCIDATATIMER);
msmsdcc_writel(host, (unsigned int)host->curr.xfer_size,
MMCIDATALENGTH);
- msmsdcc_writel(host, host->cmd_pio_irqmask, MMCIMASK1);
+ msmsdcc_writel(host, (msmsdcc_readl(host, MMCIMASK0) &
+ (~MCI_IRQ_PIO)) | host->cmd_pio_irqmask, MMCIMASK0);
msmsdcc_writel(host, host->cmd_datactrl, MMCIDATACTRL);
if (host->cmd_cmd) {
msmsdcc_writel(host, host->cmd_datactrl, MMCIDATACTRL);
if (host->cmd_cmd) {
msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
msmsdcc_writel(host, host->curr.xfer_size, MMCIDATALENGTH);
- msmsdcc_writel(host, pio_irqmask, MMCIMASK1);
+ msmsdcc_writel(host, (msmsdcc_readl(host, MMCIMASK0) &
+ (~MCI_IRQ_PIO)) | pio_irqmask, MMCIMASK0);
+
msmsdcc_writel(host, datactrl, MMCIDATACTRL);
if (cmd) {
msmsdcc_writel(host, datactrl, MMCIDATACTRL);
if (cmd) {
{
struct msmsdcc_host *host = dev_id;
uint32_t status;
{
struct msmsdcc_host *host = dev_id;
uint32_t status;
status = msmsdcc_readl(host, MMCISTATUS);
status = msmsdcc_readl(host, MMCISTATUS);
+ mci_mask0 = msmsdcc_readl(host, MMCIMASK0);
+
+ if (((mci_mask0 & status) & MCI_IRQ_PIO) == 0)
+ return IRQ_NONE;
do {
unsigned long flags;
do {
unsigned long flags;
} while (1);
if (status & MCI_RXACTIVE && host->curr.xfer_remain < MCI_FIFOSIZE)
} while (1);
if (status & MCI_RXACTIVE && host->curr.xfer_remain < MCI_FIFOSIZE)
- msmsdcc_writel(host, MCI_RXDATAAVLBLMASK, MMCIMASK1);
+ msmsdcc_writel(host, (mci_mask0 & (~MCI_IRQ_PIO)) |
+ MCI_RXDATAAVLBLMASK, MMCIMASK0);
if (!host->curr.xfer_remain)
if (!host->curr.xfer_remain)
- msmsdcc_writel(host, 0, MMCIMASK1);
+ msmsdcc_writel(host, (mci_mask0 & (~MCI_IRQ_PIO)) | 0,
+ MMCIMASK0);
do {
status = msmsdcc_readl(host, MMCISTATUS);
status &= msmsdcc_readl(host, MMCIMASK0);
do {
status = msmsdcc_readl(host, MMCISTATUS);
status &= msmsdcc_readl(host, MMCIMASK0);
+ if ((status & (~MCI_IRQ_PIO)) == 0)
+ break;
msmsdcc_writel(host, status, MMCICLEAR);
if (status & MCI_SDIOINTR)
msmsdcc_writel(host, status, MMCICLEAR);
if (status & MCI_SDIOINTR)
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATAENDMASK|MCI_PROGDONEMASK)
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATAENDMASK|MCI_PROGDONEMASK)
+#define MCI_IRQ_PIO \
+ (MCI_RXDATAAVLBLMASK | MCI_TXDATAAVLBLMASK | MCI_RXFIFOEMPTYMASK | \
+ MCI_TXFIFOEMPTYMASK | MCI_RXFIFOFULLMASK | MCI_TXFIFOFULLMASK | \
+ MCI_RXFIFOHALFFULLMASK | MCI_TXFIFOHALFEMPTYMASK | \
+ MCI_RXACTIVEMASK | MCI_TXACTIVEMASK)
/*
* The size of the FIFO in bytes.
*/
/*
* The size of the FIFO in bytes.
*/