diff options
Diffstat (limited to 'arch/arm/mach-dove')
| -rw-r--r-- | arch/arm/mach-dove/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-dove/pcie.c | 11 |
2 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig index c30c69c664ea..2252f465cafd 100644 --- a/arch/arm/mach-dove/Kconfig +++ b/arch/arm/mach-dove/Kconfig @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 menuconfig ARCH_DOVE bool "Marvell Dove" if ARCH_MULTI_V7 + depends on ATAGS select CPU_PJ4 select GPIOLIB select MVEBU_MBUS @@ -8,6 +9,7 @@ menuconfig ARCH_DOVE select PINCTRL_DOVE select PLAT_ORION_LEGACY select PM_GENERIC_DOMAINS if PM + select PCI_QUIRKS if PCI help Support for the Marvell Dove SoC 88AP510 diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c index 2a493bdfffc6..f90f42fc495e 100644 --- a/arch/arm/mach-dove/pcie.c +++ b/arch/arm/mach-dove/pcie.c @@ -136,14 +136,19 @@ static struct pci_ops pcie_ops = { .write = pcie_wr_conf, }; +/* + * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it + * is operating as a root complex this needs to be switched to + * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on + * the device. Decoding setup is handled by the orion code. + */ static void rc_pci_fixup(struct pci_dev *dev) { - /* - * Prevent enumeration of root complex. - */ if (dev->bus->parent == NULL && dev->devfn == 0) { int i; + dev->class &= 0xff; + dev->class |= PCI_CLASS_BRIDGE_HOST << 8; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { dev->resource[i].start = 0; dev->resource[i].end = 0; |