C++ (Cpp) SB_MMIO_MISC32 Exemples

Exemple #1

Fichier : romstage.c Projet : alterapraxisptyltd/coreboot

static void sbxxx_enable_48mhzout(void)
{
	/* most likely programming to 48MHz out signal */
	u32 reg32;
	reg32 = SB_MMIO_MISC32(0x28);
	reg32 &= 0xffc7ffff;
	reg32 |= 0x00100000;
	SB_MMIO_MISC32(0x28) = reg32;

	reg32 = SB_MMIO_MISC32(0x40);
	reg32 &= ~0x80u;
	SB_MMIO_MISC32(0x40) = reg32;
}

Exemple #2

Fichier : romstage.c Projet : canistation/coreboot

static void sbxxx_enable_48mhzout(void)
{
	/* most likely programming to 48MHz out signal */
	/* Set auxiliary output clock frequency on OSCOUT1 pin to be 48MHz */
	u32 reg32;
	reg32 = SB_MMIO_MISC32(0x28);
	reg32 &= 0xfff8ffff;
	SB_MMIO_MISC32(0x28) = reg32;

	/* Enable Auxiliary Clock1, disable FCH 14 MHz OscClk */
	reg32 = SB_MMIO_MISC32(0x40);
	reg32 &= 0xffffbffb;
	SB_MMIO_MISC32(0x40) = reg32;
}