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-rw-r--r--drivers/mmc/fsl_esdhc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 6ca61c7..5e04cde 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -23,6 +23,11 @@
DECLARE_GLOBAL_DATA_PTR;
+#define SDHCI_IRQ_EN_BITS (IRQSTATEN_CC | IRQSTATEN_TC | \
+ IRQSTATEN_CINT | \
+ IRQSTATEN_CTOE | IRQSTATEN_CCE | IRQSTATEN_CEBE | \
+ IRQSTATEN_CIE | IRQSTATEN_DTOE | IRQSTATEN_DCE | IRQSTATEN_DEBE)
+
struct fsl_esdhc {
uint dsaddr; /* SDMA system address register */
uint blkattr; /* Block attributes register */
@@ -510,8 +515,15 @@ static int esdhc_init(struct mmc *mmc)
/* Set the initial clock speed */
mmc_set_clock(mmc, 400000);
+#ifdef CONFIG_SYS_FSL_ESDHC_USE_PIO
+ /* Enable the BRR and BWR bits in IRQSTAT */
+ esdhc_clrbits32(&regs->irqstaten, IRQSTATEN_DINT);
+ esdhc_setbits32(&regs->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
+#else
/* Disable the BRR and BWR bits in IRQSTAT */
esdhc_clrbits32(&regs->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
+ esdhc_setbits32(&regs->irqstaten, IRQSTATEN_DINT);
+#endif
/* Put the PROCTL reg back to the default */
esdhc_write32(&regs->proctl, PROCTL_INIT);
@@ -576,6 +588,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
| SYSCTL_IPGEN | SYSCTL_CKEN);
+ writel(SDHCI_IRQ_EN_BITS, &regs->irqstaten);
memset(&cfg->cfg, 0, sizeof(cfg->cfg));
voltage_caps = 0;