52  *	addr[31:24]		reserved
53  *	addr[23:16]		bus number (8 bits = 128 possible buses)
54  *	addr[15:11]		Device number (5 bits)
55  *	addr[10: 8]		function number
56  *	addr[ 7: 2]		register number
59  *    if (bus = addr[23:16]) == 0
62  *	      addr_on_pci[31:11] = id selection for device = addr[15:11]
63  *	      addr_on_pci[10: 2] = addr[10: 2] ???
68  *	      addr_on_pci[23: 2] = addr[23: 2]
85 	unsigned long addr;  in mk_conf_addr()  local
94 	addr = (bus << 16) | (device_fn << 8) | where;  in mk_conf_addr()
95 	addr |= IRONGATE_CONF;  in mk_conf_addr()
97 	*pci_addr = addr;  in mk_conf_addr()
98 	DBG_CFG(("mk_conf_addr: returning pci_addr 0x%lx\n", addr));  in mk_conf_addr()
106 	unsigned long addr;  in irongate_read_config()  local
109 	if (mk_conf_addr(bus, devfn, where, &addr, &type1))  in irongate_read_config()
114 		*value = __kernel_ldbu(*(vucp)addr);  in irongate_read_config()
117 		*value = __kernel_ldwu(*(vusp)addr);  in irongate_read_config()
120 		*value = *(vuip)addr;  in irongate_read_config()
131 	unsigned long addr;  in irongate_write_config()  local
134 	if (mk_conf_addr(bus, devfn, where, &addr, &type1))  in irongate_write_config()
139 		__kernel_stb(value, *(vucp)addr);  in irongate_write_config()
141 		__kernel_ldbu(*(vucp)addr);  in irongate_write_config()
144 		__kernel_stw(value, *(vusp)addr);  in irongate_write_config()
146 		__kernel_ldwu(*(vusp)addr);  in irongate_write_config()
149 		*(vuip)addr = value;  in irongate_write_config()
151 		*(vuip)addr;  in irongate_write_config()
305 #define GET_PAGE_DIR_OFF(addr) (addr >> 22)  argument
306 #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr))  argument
308 #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12)   argument
309 #define GET_GATT(addr) (gatt_pages[GET_PAGE_DIR_IDX(addr)])  argument
312 irongate_ioremap(unsigned long addr, unsigned long size)  in irongate_ioremap()  argument
321 		return (void __iomem *)(addr + IRONGATE_MEM);  in irongate_ioremap()
333 		if (addr >= gart_bus_addr && addr + size - 1 <   in irongate_ioremap()
340 		return (void __iomem *)(addr + IRONGATE_MEM);  in irongate_ioremap()
351 	if (addr & ~PAGE_MASK) {  in irongate_ioremap()
352 		printk("AGP ioremap failed... addr not page aligned (0x%lx)\n",  in irongate_ioremap()
353 		       addr);  in irongate_ioremap()
354 		return (void __iomem *)(addr + IRONGATE_MEM);  in irongate_ioremap()
356 	last = addr + size - 1;  in irongate_ioremap()
357 	size = PAGE_ALIGN(last) - addr;  in irongate_ioremap()
360 	printk("irongate_ioremap(0x%lx, 0x%lx)\n", addr, size);  in irongate_ioremap()
366 	for(baddr = addr; baddr <= last; baddr += PAGE_SIZE)  in irongate_ioremap()
381 	for(baddr = addr, vaddr = (unsigned long)area->addr;   in irongate_ioremap()
391 			vfree(area->addr);  in irongate_ioremap()
398 	vaddr = (unsigned long)area->addr + (addr & ~PAGE_MASK);  in irongate_ioremap()
401 	       addr, size, vaddr);  in irongate_ioremap()
410 	unsigned long addr = (unsigned long) xaddr;  in irongate_iounmap()  local
411 	if (((long)addr >> 41) == -2)  in irongate_iounmap()
413 	if (addr)  in irongate_iounmap()
414 		return vfree((void *)(PAGE_MASK & addr));   in irongate_iounmap()