diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c
index 8e8593b..9ee208d 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -91,7 +91,7 @@
 };
 
 static struct resource sni_io_resource = {
-	.start	= 0x00001000UL,
+	.start	= 0x00000000UL,
 	.end	= 0x03bfffffUL,
 	.name	= "PCIMT IO MEM",
 	.flags	= IORESOURCE_IO,
@@ -132,107 +132,19 @@
 };
 
 static struct resource sni_mem_resource = {
-	.start	= 0x10000000UL,
-	.end	= 0xffffffffUL,
+	.start	= 0x18000000UL,
+	.end	= 0x1fbfffffUL,
 	.name	= "PCIMT PCI MEM",
 	.flags	= IORESOURCE_MEM
 };
 
-/*
- * The RM200/RM300 has a few holes in it's PCI/EISA memory address space used
- * for other purposes.  Be paranoid and allocate all of the before the PCI
- * code gets a chance to to map anything else there ...
- *
- * This leaves the following areas available:
- *
- * 0x10000000 - 0x1009ffff (640kB) PCI/EISA/ISA Bus Memory
- * 0x10100000 - 0x13ffffff ( 15MB) PCI/EISA/ISA Bus Memory
- * 0x18000000 - 0x1fbfffff (124MB) PCI/EISA Bus Memory
- * 0x1ff08000 - 0x1ffeffff (816kB) PCI/EISA Bus Memory
- * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory
- */
-static struct resource pcimt_mem_resources[] = {
-	{
-		.start	= 0x100a0000,
-		.end	= 0x100bffff,
-		.name	= "Video RAM area",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x100c0000,
-		.end	= 0x100fffff,
-		.name	= "ISA Reserved",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x14000000,
-		.end	= 0x17bfffff,
-		.name	= "PCI IO",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x17c00000,
-		.end	= 0x17ffffff,
-		.name	= "Cache Replacement Area",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1a000000,
-		.end	= 0x1a000003,
-		.name	= "PCI INT Acknowledge",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1fc00000,
-		.end	= 0x1fc7ffff,
-		.name	= "Boot PROM",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1fc80000,
-		.end	= 0x1fcfffff,
-		.name	= "Diag PROM",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1fd00000,
-		.end	= 0x1fdfffff,
-		.name	= "X-Bus",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1fe00000,
-		.end	= 0x1fefffff,
-		.name	= "BIOS map",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1ff00000,
-		.end	= 0x1ff7ffff,
-		.name	= "NVRAM / EEPROM",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1fff0000,
-		.end	= 0x1fffefff,
-		.name	= "ASIC PCI",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x1ffff000,
-		.end	= 0x1fffffff,
-		.name	= "MP Agent",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x20000000,
-		.end	= 0x9fffffff,
-		.name	= "Main Memory",
-		.flags	= IORESOURCE_BUSY
-	}
-};
-
 static void __init sni_pcimt_resource_init(void)
 {
 	int i;
 
 	/* request I/O space for devices used on all i[345]86 PCs */
 	for (i = 0; i < ARRAY_SIZE(pcimt_io_resources); i++)
-		request_resource(&ioport_resource, pcimt_io_resources + i);
-
-	/* request mem space for pcimt-specific devices */
-	for (i = 0; i < ARRAY_SIZE(pcimt_mem_resources); i++)
-		request_resource(&sni_mem_resource, pcimt_mem_resources + i);
-
-	ioport_resource.end = sni_io_resource.end;
+		request_resource(&sni_io_resource, pcimt_io_resources + i);
 }
 
 extern struct pci_ops sni_pcimt_ops;
@@ -240,9 +152,10 @@
 static struct pci_controller sni_controller = {
 	.pci_ops	= &sni_pcimt_ops,
 	.mem_resource	= &sni_mem_resource,
-	.mem_offset	= 0x10000000UL,
+	.mem_offset	= 0x00000000UL,
 	.io_resource	= &sni_io_resource,
-	.io_offset	= 0x00000000UL
+	.io_offset	= 0x00000000UL,
+	.io_map_base    = SNI_PORT_BASE
 };
 
 static void enable_pcimt_irq(unsigned int irq)
@@ -363,15 +276,17 @@
 
 void sni_pcimt_init(void)
 {
-	sni_pcimt_resource_init();
 	sni_pcimt_detect();
 	sni_pcimt_sc_init();
 	rtc_mips_get_time = mc146818_get_cmos_time;
 	rtc_mips_set_time = mc146818_set_rtc_mmss;
 	board_time_init = sni_cpu_time_init;
+	ioport_resource.end = sni_io_resource.end;
 #ifdef CONFIG_PCI
+	PCIBIOS_MIN_IO = 0x9000;
 	register_pci_controller(&sni_controller);
 #endif
+	sni_pcimt_resource_init();
 }
 
 static int __init snirm_pcimt_setup_devinit(void)