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Commit 05969546 authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
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MIPS: Lantiq: Fix setting the PCI bus speed on AR9 



The bits used to set the PCI bus speed on AR9 are slightly different to
those used on Danube.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2614/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 77fbdb30

arch/mips/pci/pci-lantiq.c

+7 −2
Original line number Diff line number Diff line
@@ -171,8 +171,13 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) 
	u32 temp_buffer;



	/* set clock to 33Mhz */

	if (ltq_is_ar9()) {

		ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR);

		ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR);

	} else {

		ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);

		ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);

	}



	/* external or internal clock ? */

	if (conf->clock) {