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ar71xx: fix pci link detection for ar724x 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20493 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2010-03-26 22:35:27 +00:00
parent 8af1357300
commit ecd4ce5546
2 changed files with 3 additions and 2 deletions
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1
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
View File

@ -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)

4
target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
View File

@ -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;
}