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mmc: fsl_esdhc: Update esdhc driver for iMX6SX

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The reset value of "uSDHCx_INT_STATUS_EN" register is changed to 0
on iMX6SX. So the fsl_esdhc driver must update to set the register,
otherwise no state can be detected.

Signed-off-by: Ye.Li <B37916@freescale.com>
This commit is contained in:
Ye.Li 2014-11-04 15:35:49 +08:00 committed by Stefano Babic
parent ae80eecceb
commit a3d6e38617
1 changed files with 8 additions and 0 deletions
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8
drivers/mmc/fsl_esdhc.c
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@ -23,6 +23,13 @@
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 | IRQSTATEN_BRR | IRQSTATEN_BWR | \
IRQSTATEN_DINT)
struct fsl_esdhc {
uint dsaddr; /* SDMA system address register */
uint blkattr; /* Block attributes register */
@ -558,6 +565,7 @@ 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;