diff options
| author | Fred Fan <r01011@freescale.com> | 2009-11-19 16:43:08 +0800 |
|---|---|---|
| committer | Terry Lv <r65388@freescale.com> | 2009-12-04 17:14:08 +0800 |
| commit | d8667412a8b7e1ad96979bc2191b4e3fa90c8254 (patch) | |
| tree | 52f9a08604fdbb9a3dfee9e77473f7a0127126ca /drivers/mmc/imx_esdhc.c | |
| parent | 3f86cf9693f8b98c44999e81d4067943c634b421 (diff) | |
| download | u-boot-imx-d8667412a8b7e1ad96979bc2191b4e3fa90c8254.zip u-boot-imx-d8667412a8b7e1ad96979bc2191b4e3fa90c8254.tar.gz u-boot-imx-d8667412a8b7e1ad96979bc2191b4e3fa90c8254.tar.bz2 | |
ENGR00118978: Timer adjustment for all platforms
In current u-boot design,
get_timer_masked is not correct and udelay is not accurate
when the time is less than 1000us.
Thus we need to use ipg clock source for accurate timer.
Signed-off-by: Terry Lv <r65388@freescale.com>
Diffstat (limited to 'drivers/mmc/imx_esdhc.c')
| -rw-r--r-- | drivers/mmc/imx_esdhc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mmc/imx_esdhc.c b/drivers/mmc/imx_esdhc.c index 6181fca..5ee0efd 100644 --- a/drivers/mmc/imx_esdhc.c +++ b/drivers/mmc/imx_esdhc.c @@ -76,15 +76,15 @@ struct fsl_esdhc { static inline void mdelay(unsigned long msec) { unsigned long i; - for (i = 0; i < msec * 10; i++) - udelay(100); + for (i = 0; i < msec; i++) + udelay(1000); } static inline void sdelay(unsigned long sec) { unsigned long i; - for (i = 0; i < sec * 10; i++) - mdelay(100); + for (i = 0; i < sec; i++) + mdelay(1000); } /* Return the XFERTYP flags for a given command and data packet */ |