31 	volatile u8 __iomem *registers;  member
214 	if (!amd_irongate_private.registers) {  in amd_irongate_configure()
217 		amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(reg, 4096);  in amd_irongate_configure()
218 		if (!amd_irongate_private.registers)  in amd_irongate_configure()
223 	writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE);  in amd_irongate_configure()
224 	readl(amd_irongate_private.registers+AMD_ATTBASE);	/* PCI Posting. */  in amd_irongate_configure()
233 	enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_configure()
235 	writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_configure()
236 	readw(amd_irongate_private.registers+AMD_GARTENABLE);	/* PCI Posting. */  in amd_irongate_configure()
244 	writel(1, amd_irongate_private.registers+AMD_TLBFLUSH);  in amd_irongate_configure()
245 	readl(amd_irongate_private.registers+AMD_TLBFLUSH);	/* PCI Posting.*/  in amd_irongate_configure()
257 	enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_cleanup()
259 	writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_cleanup()
260 	readw(amd_irongate_private.registers+AMD_GARTENABLE);	/* PCI Posting. */  in amd_irongate_cleanup()
266 	iounmap((void __iomem *) amd_irongate_private.registers);  in amd_irongate_cleanup()
279 	writel(1, amd_irongate_private.registers+AMD_TLBFLUSH);  in amd_irongate_tlbflush()
280 	readl(amd_irongate_private.registers+AMD_TLBFLUSH);	/* PCI Posting. */  in amd_irongate_tlbflush()