32 	volatile u8 __iomem *registers;  member
216 	if (!amd_irongate_private.registers) {  in amd_irongate_configure()
219 		amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(reg, 4096);  in amd_irongate_configure()
220 		if (!amd_irongate_private.registers)  in amd_irongate_configure()
225 	writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE);  in amd_irongate_configure()
226 	readl(amd_irongate_private.registers+AMD_ATTBASE);	/* PCI Posting. */  in amd_irongate_configure()
235 	enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_configure()
237 	writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_configure()
238 	readw(amd_irongate_private.registers+AMD_GARTENABLE);	/* PCI Posting. */  in amd_irongate_configure()
246 	writel(1, amd_irongate_private.registers+AMD_TLBFLUSH);  in amd_irongate_configure()
247 	readl(amd_irongate_private.registers+AMD_TLBFLUSH);	/* PCI Posting.*/  in amd_irongate_configure()
259 	enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_cleanup()
261 	writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE);  in amd_irongate_cleanup()
262 	readw(amd_irongate_private.registers+AMD_GARTENABLE);	/* PCI Posting. */  in amd_irongate_cleanup()
268 	iounmap((void __iomem *) amd_irongate_private.registers);  in amd_irongate_cleanup()
281 	writel(1, amd_irongate_private.registers+AMD_TLBFLUSH);  in amd_irongate_tlbflush()
282 	readl(amd_irongate_private.registers+AMD_TLBFLUSH);	/* PCI Posting. */  in amd_irongate_tlbflush()