PKUNITY_PCILIO_BASE   17 arch/unicore32/include/asm/io.h #define PCI_IOBASE	PKUNITY_PCILIO_BASE
PKUNITY_PCILIO_BASE   81 arch/unicore32/kernel/pci.c 	writel(io_v2p(PKUNITY_PCILIO_BASE) | PCIBRI_BARx_IO, PCIBRI_AHBBAR1);