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YH92x: Implement ATA power off.

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Change-Id: If1f48df42ea7a150365c4ddbd3f9f7a85ae4b7dc
This commit is contained in:
Szymon Dziok 2014-06-14 19:01:44 +00:00
parent 81db2f5eb0
commit 6363294591
3 changed files with 19 additions and 3 deletions
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18
firmware/target/arm/samsung/power-yh82x_yh92x.c
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@ -52,15 +52,31 @@ unsigned int power_input_status(void)
void ide_power_enable(bool on)
{
#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
if (on)
{
GPIO_CLEAR_BITWISE(GPIOF_OUTPUT_VAL, 0x10);
DEV_EN |= DEV_IDE0;
}
else
{
DEV_EN &= ~DEV_IDE0;
GPIO_SET_BITWISE(GPIOF_OUTPUT_VAL, 0x10);
}
#else
(void)on;
/* We do nothing */
#endif
}
bool ide_powered(void)
{
#if defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
return ((GPIOF_INPUT_VAL & 0x10) == 0);
#else
/* pretend we are always powered - we don't turn it off */
return true;
#endif
}
void power_off(void)