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imx233: fix power irq storm

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When bootloader is too intelligent, like on Creative devices, it might leave
some unexpected IRQs sources on, this is problematic when those sources share
the same IRQ line.

Change-Id: Ie9333918eb1048b1f2de4ea738cddf556aa75ee2
This commit is contained in:
Amaury Pouly 2013-09-29 21:01:59 +02:00
parent 898b760e59
commit 71c5a52add
1 changed files with 20 additions and 0 deletions
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20
firmware/target/arm/imx233/power-imx233.c
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@ -120,6 +120,26 @@ void INT_VDD5V(void)
BF_CLR(POWER_CTRL, VDD5V_GT_VDDIO_IRQ);
}
#endif
#if IMX233_SUBTARGET >= 3700
/* this IRQ is shared by several sources, disable them */
if(BF_RD(POWER_CTRL, PSWITCH_IRQ))
{
BF_CLR(POWER_CTRL, ENIRQ_PSWITCH);
BF_CLR(POWER_CTRL, PSWITCH_IRQ);
}
#if IMX233_SUBTARGET < 3780
if(BF_RD(POWER_CTRL, LINREG_OK_IRQ))
{
BF_CLR(POWER_CTRL, ENIRQ_LINREG_OK);
BF_CLR(POWER_CTRL, LINREG_OK_IRQ);
}
#endif /* IMX233_SUBTARGET < 3780 */
if(BF_RD(POWER_CTRL, DC_OK_IRQ))
{
BF_CLR(POWER_CTRL, ENIRQ_DC_OK);
BF_CLR(POWER_CTRL, DC_OK_IRQ);
}
#endif /* IMX233_SUBTARGET >= 3700 */
}
void imx233_power_init(void)