qi-hardware/ben-blinkenlights
1
0
Fork 0
mirror of git://projects.qi-hardware.com/ben-blinkenlights.git synced 2024-11-16 18:45:54 +02:00
Code

libubb/mmcclk.c: use symbolic bit/field definitions for MSC_*

Browse Source
This commit is contained in:
Werner Almesberger 2013-01-20 17:34:17 -03:00
parent 8509c1f7b9
commit 4cb68b7ece
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
libubb/mmcclk.c
View File

@ -70,15 +70,16 @@ void mmcclk_start(struct mmcclk *dsc)
MSCCDR = dsc->clkdiv; /* set controller clock */ MSCCDR = dsc->clkdiv; /* set controller clock */
CLKGR &= ~(1 << 7); /* enable MSC clock */ CLKGR &= ~(1 << 7); /* enable MSC clock */
MSC_STRPCL = 1 << 3; /* reset the MSC */ MSC_STRPCL = MSC_STRPCRL_RESET; /* reset the MSC */
while (MSC_STAT & (1 << 15)); /* wait until reset finishes */ while (MSC_STAT & MSC_STAT_IS_RESETTING);
/* wait until reset finishes */
MSC_CLKRT = dsc->clkrt; /* set bus clock */ MSC_CLKRT = dsc->clkrt; /* set bus clock */
MSC_STRPCL = 2; /* start MMC bus clock output */ MSC_STRPCL = MSC_STRPCRL_START_CLOCK;
} }
void mmcclk_stop(void) void mmcclk_stop(void)
{ {
MSC_STRPCL = 1; /* stop MMC bus clock output */ MSC_STRPCL = MSC_STRPCRL_STOP_CLOCK;
} }