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Commit ec950259 authored by Gabor Juhos's avatar Gabor Juhos Committed by Ralf Baechle
Browse files

MIPS: ath79: add PCI registration code for AR934X 



Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Acked-by: default avatarLuis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: linux-mips@linux-mips.org
Cc: mcgrof@infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/3516/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 67644c54

arch/mips/ath79/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -72,6 +72,8 @@ config SOC_AR933X 


config SOC_AR934X

	select USB_ARCH_HAS_EHCI

	select HW_HAS_PCI

	select PCI_AR724X if PCI

	def_bool n



config PCI_AR724X

arch/mips/ath79/pci.c

+12 −1
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 


#include <linux/init.h>

#include <linux/pci.h>

#include <asm/mach-ath79/ar71xx_regs.h>

#include <asm/mach-ath79/ath79.h>

#include <asm/mach-ath79/irq.h>

#include <asm/mach-ath79/pci.h>
@@ -57,7 +58,9 @@ int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) 
		if (soc_is_ar71xx()) {

			ath79_pci_irq_map = ar71xx_pci_irq_map;

			ath79_pci_nr_irqs = ARRAY_SIZE(ar71xx_pci_irq_map);

		} else if (soc_is_ar724x()) {

		} else if (soc_is_ar724x() ||

			   soc_is_ar9342() ||

			   soc_is_ar9344()) {

			ath79_pci_irq_map = ar724x_pci_irq_map;

			ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);

		} else {
@@ -115,5 +118,13 @@ int __init ath79_register_pci(void) 
	if (soc_is_ar724x())

		return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2);



	if (soc_is_ar9342() || soc_is_ar9344()) {

		u32 bootstrap;



		bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);

		if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC)

			return ar724x_pcibios_init(ATH79_IP2_IRQ(0));

	}



	return -ENODEV;

}