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usb: musb: blackfin: check anomaly workarounds at runtime too

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The anomaly workarounds we need for older silicon might break things
if used on newer versions where the anomalies don't exist.  So check
the silicon rev at runtime too.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-03-17 17:35:01 -04:00 committed by Remy Bohmer
parent 38e0745e4d
commit 081b59e453
1 changed files with 26 additions and 3 deletions
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29
drivers/usb/musb/blackfin_usb.c
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@ -97,10 +97,25 @@ static void __def_musb_init(void)
}
void board_musb_init(void) __attribute__((weak, alias("__def_musb_init")));
int musb_platform_init(void)
static void bfin_anomaly_init(void)
{
/* board specific initialization */
board_musb_init();
u32 revid;
if (!ANOMALY_05000346 && !ANOMALY_05000347)
return;
revid = bfin_revid();
#ifdef __ADSPBF54x__
if (revid > 0)
return;
#endif
#ifdef __ADSPBF52x__
if (ANOMALY_BF526 && revid > 0)
return;
if (ANOMALY_BF527 && revid > 1)
return;
#endif
if (ANOMALY_05000346) {
bfin_write_USB_APHY_CALIB(ANOMALY_05000346_value);
@ -111,6 +126,14 @@ int musb_platform_init(void)
bfin_write_USB_APHY_CNTRL(0x0);
SSYNC();
}
}
int musb_platform_init(void)
{
/* board specific initialization */
board_musb_init();
bfin_anomaly_init();
/* Configure PLL oscillator register */
bfin_write_USB_PLLOSC_CTRL(0x3080 |