Dealing with the sys ctrl register should touch only the
relevant bits and not accidently the whole register. On i.MX6,
the sys control register contains bits which shouldn't be reset to
0, e.g. SYS_CTRL[3-0] and IPP_RST_N (SYS_CTRL[23]).
Do this by read/modify/write instead of just a 32bit write.
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Andy Fleming <afleming@freescale.com>
int timeout = 1000;
/* Reset the entire host controller */
int timeout = 1000;
/* Reset the entire host controller */
- esdhc_write32(®s->sysctl, SYSCTL_RSTA);
+ esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
/* Wait until the controller is available */
while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)
/* Wait until the controller is available */
while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)
esdhc_write32(®s->scr, 0x00000040);
#endif
esdhc_write32(®s->scr, 0x00000040);
#endif
- esdhc_write32(®s->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
+ esdhc_setbits32(®s->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
/* Set the initial clock speed */
mmc_set_clock(mmc, 400000);
/* Set the initial clock speed */
mmc_set_clock(mmc, 400000);
unsigned long timeout = 100; /* wait max 100 ms */
/* reset the controller */
unsigned long timeout = 100; /* wait max 100 ms */
/* reset the controller */
- esdhc_write32(®s->sysctl, SYSCTL_RSTA);
+ esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
/* hardware clears the bit when it is done */
while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)
/* hardware clears the bit when it is done */
while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)