diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c
index 9324bdb..66d7629 100644
--- a/arch/x86/lib/bios.c
+++ b/arch/x86/lib/bios.c
@@ -157,7 +157,7 @@
 	 for (i = 0; i < 256; i++) {
 		idts[i].cs = 0;
 		idts[i].offset = 0x1000 + (i * __idt_handler_size);
-		write_idt_stub((void *)((u32)idts[i].offset), i);
+		write_idt_stub((void *)((ulong)idts[i].offset), i);
 	}
 
 	/*
@@ -227,7 +227,7 @@
 	mode_info->video_mode = (1 << 14) | vesa_mode;
 	vbe_get_mode_info(mode_info);
 
-	framebuffer = (unsigned char *)mode_info->vesa.phys_base_ptr;
+	framebuffer = (unsigned char *)(ulong)mode_info->vesa.phys_base_ptr;
 	debug("VBE: resolution:  %dx%d@%d\n",
 	      le16_to_cpu(mode_info->vesa.x_resolution),
 	      le16_to_cpu(mode_info->vesa.y_resolution),
diff --git a/arch/x86/lib/pinctrl_ich6.c b/arch/x86/lib/pinctrl_ich6.c
index 3f94cdf..fb2d294 100644
--- a/arch/x86/lib/pinctrl_ich6.c
+++ b/arch/x86/lib/pinctrl_ich6.c
@@ -104,7 +104,7 @@
 
 	/* if iobase is present, let's configure the pad */
 	if (iobase != -1) {
-		int iobase_addr;
+		ulong iobase_addr;
 
 		/*
 		 * The offset for the same pin for the IOBASE and GPIOBASE are
diff --git a/arch/x86/lib/pirq_routing.c b/arch/x86/lib/pirq_routing.c
index a93d355..c98526d 100644
--- a/arch/x86/lib/pirq_routing.c
+++ b/arch/x86/lib/pirq_routing.c
@@ -114,14 +114,14 @@
 	addr = ALIGN(addr, 16);
 
 	debug("Copying Interrupt Routing Table to 0x%x\n", addr);
-	memcpy((void *)addr, rt, rt->size);
+	memcpy((void *)(uintptr_t)addr, rt, rt->size);
 
 	/*
 	 * We do the sanity check here against the copied table after memcpy,
 	 * as something might go wrong after the memcpy, which is normally
 	 * due to the F segment decode is not turned on to systeam RAM.
 	 */
-	rom_rt = (struct irq_routing_table *)addr;
+	rom_rt = (struct irq_routing_table *)(uintptr_t)addr;
 	if (rom_rt->signature != PIRQ_SIGNATURE ||
 	    rom_rt->version != PIRQ_VERSION || rom_rt->size % 16) {
 		printf("Interrupt Routing Table not valid\n");