qi-hardware/ben-blinkenlights
1
0
Fork 0
mirror of git://projects.qi-hardware.com/ben-blinkenlights.git synced 2024-11-23 21:23:09 +02:00
Code

libubb/mmcclk.c (mmcclk_start): also reset the MMC controller

Browse Source
This commit is contained in:
Werner Almesberger 2013-01-15 14:07:31 -03:00
parent a5fbf55419
commit 72f2125287
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libubb/mmcclk.c
View File

@ -60,6 +60,10 @@ void mmcclk_start(struct mmcclk *dsc)
{
MSCCDR = dsc->clkdiv; /* set controller clock */
CLKGR &= ~(1 << 7); /* enable MSC clock */
MSC_STRPCL = 1 << 3; /* reset the MSC */
while (MSC_STAT & (1 << 15)); /* wait until reset finishes */
MSC_CLKRT = dsc->clkrt; /* set bus clock */
MSC_STRPCL = 2; /* start MMC bus clock output */
}