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| author | Stephen Warren <swarren@wwwdotorg.org> | 2013-03-27 18:43:23 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-04-04 08:14:54 +0200 |
| commit | 5eaa215607c8668bfa6a7183407eba8fec63d648 (patch) | |
| tree | 84315e219ce066489ef830231a595f2427470dde /drivers | |
| parent | 009d75ccc11d27b9a083375a88bb93cb746b4800 (diff) | |
| download | u-boot-imx-5eaa215607c8668bfa6a7183407eba8fec63d648.zip u-boot-imx-5eaa215607c8668bfa6a7183407eba8fec63d648.tar.gz u-boot-imx-5eaa215607c8668bfa6a7183407eba8fec63d648.tar.bz2 | |
ARM: bcm2835: fix get_timer() to return ms
Apparently, CONFIG_SYS_HZ must be 1000. Change this, and fix the timer
driver to conform to this.
Have the timer implementation export a custom API get_timer_us() for use
by the BCM2835 MMC API, which needs us resolution for a HW workaround.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/bcm2835_sdhci.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c index b0afc3c..54cfabf 100644 --- a/drivers/mmc/bcm2835_sdhci.c +++ b/drivers/mmc/bcm2835_sdhci.c @@ -39,6 +39,7 @@ #include <common.h> #include <malloc.h> #include <sdhci.h> +#include <asm/arch/timer.h> /* 400KHz is max freq for card ID etc. Use that as min */ #define MIN_FREQ 400000 @@ -67,11 +68,11 @@ static inline void bcm2835_sdhci_raw_writel(struct sdhci_host *host, u32 val, * (Which is just as well - otherwise we'd have to nobble the DMA engine * too) */ - while (get_timer(bcm_host->last_write) < bcm_host->twoticks_delay) + while (get_timer_us(bcm_host->last_write) < bcm_host->twoticks_delay) ; writel(val, host->ioaddr + reg); - bcm_host->last_write = get_timer(0); + bcm_host->last_write = get_timer_us(0); } static inline u32 bcm2835_sdhci_raw_readl(struct sdhci_host *host, int reg) |