From ecd4ce55468021a3f53bf80f0a9dd0d4b2e652ac Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 26 Mar 2010 22:35:27 +0000 Subject: ar71xx: fix pci link detection for ar724x git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20493 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h | 1 + target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'target/linux/ar71xx/files/arch') diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h index 31d2fd8e4d..d21df49d66 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h @@ -353,6 +353,7 @@ void ar71xx_ddr_flush(u32 reg); #define AR724X_PCI_REG_INT_MASK 0x50 #define AR724X_PCI_APP_LTSSM_ENABLE BIT(0) +#define AR724X_PCI_RESET_LINK_UP BIT(0) #define AR724X_PCI_INT_DEV0 BIT(14) diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c index fd52216074..3bbad1f3a4 100644 --- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c +++ b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c @@ -242,8 +242,8 @@ static int __init ar724x_pci_setup(void) (void) __raw_readl(base + AR724X_PCI_REG_APP); udelay(1000); - t = __raw_readl(base + AR724X_PCI_REG_APP); - if ((t & AR724X_PCI_APP_LTSSM_ENABLE) == 0x0) { + t = __raw_readl(base + AR724X_PCI_REG_RESET); + if ((t & AR724X_PCI_RESET_LINK_UP) == 0x0) { printk(KERN_WARNING "PCI: no PCIe module found\n"); return -ENODEV; } -- cgit v1.2.3