[ARM] Fix various build errors in bk-cur

- Make ioremap.c compile
- Fix armv4_early_abort -> v4_early_abort
- Fix MT_MINICACHE -> MT_MINICLEAN
- Add MAP_POPULATE and MAP_NONBLOCK for ARM
- Fix last remaining usage of kstat.irqs[cpu]
- Add support for .init.initramfs section

arch/arm/kernel/irq.c

@@ -305,7 +305,7 @@ do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 	desc->chip->ack(irq);
 
 	if (likely(desc->enabled)) {
-		kstat.irqs[cpu][irq]++;
+		kstat_cpu(cpu).irqs[irq]++;
 
 		/*
 		 * Return with this interrupt masked if no action

arch/arm/mm/ioremap.c

@@ -8,9 +8,7 @@
  * Hacked for ARM by Phil Blundell <philb@gnu.org>
  * Hacked to allow all architectures to build, and various cleanups
  * by Russell King
- */
-
-/*
+ *
  * This allows a driver to remap an arbitrary region of bus memory into
  * virtual space.  One should *only* use readl, writel, memcpy_toio and
  * so on with such remapped areas.
@@ -21,11 +19,6 @@
  * two 2GB chunks and mapping only one at a time into processor memory.
  * We use MMU protection domains to trap any attempt to access the bank
  * that is not currently mapped.  (This isn't fully implemented yet.)
- *
- * DC21285 currently has a bug in that the PCI address extension
- * register affects the address of any writes waiting in the outbound
- * FIFO.  Unfortunately, it is not possible to tell the DC21285 to
- * flush this - flushing the area causes the bus to lock.
  */
 #include <linux/errno.h>
 #include <linux/mm.h>
@@ -34,6 +27,7 @@
 #include <asm/page.h>
 #include <asm/pgalloc.h>
 #include <asm/io.h>
+#include <asm/tlbflush.h>
 
 static inline void remap_area_pte(pte_t * pte, unsigned long address, unsigned long size,
 	unsigned long phys_addr, pgprot_t pgprot)
@@ -76,7 +70,7 @@ static inline int remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned lo
 
 	pgprot = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | L_PTE_WRITE | flags);
 	do {
-		pte_t * pte = pte_alloc(&init_mm, pmd, address);
+		pte_t * pte = pte_alloc_kernel(&init_mm, pmd, address);
 		if (!pte)
 			return -ENOMEM;
 		remap_area_pte(pte, address, end - address, address + phys_addr, pgprot);
@@ -129,7 +123,9 @@ static int remap_area_pages(unsigned long address, unsigned long phys_addr,
  * 'flags' are the extra L_PTE_ flags that you want to specify for this
  * mapping.  See include/asm-arm/proc-armv/pgtable.h for more information.
  */
-void * __ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
+void *
+__ioremap(unsigned long phys_addr, size_t size, unsigned long flags,
+	  unsigned long align)
 {
 	void * addr;
 	struct vm_struct * area;

arch/arm/mm/mm-armv.c

@@ -279,7 +279,7 @@ static void __init build_mem_type_table(void)
 	if (cpu_arch < CPU_ARCH_ARMv5) {
 		writealloc = 0;
 		ecc = 0;
-		mem_types[MT_MINICACHE].prot_sect &= ~PMD_SECT_TEX(1);
+		mem_types[MT_MINICLEAN].prot_sect &= ~PMD_SECT_TEX(1);
 	}
 
 	if (writethrough) {

arch/arm/mm/proc-sa110.S

@@ -561,7 +561,7 @@ cpu_sa110_info:
  */
 	.type	sa1100_processor_functions, #object
 ENTRY(sa1100_processor_functions)
-	.word	armv4_early_abort
+	.word	v4_early_abort
 	.word	cpu_sa1100_check_bugs
 	.word	cpu_sa1100_proc_init
 	.word	cpu_sa1100_proc_fin

arch/arm/vmlinux-armv.lds.in

@@ -35,6 +35,10 @@ SECTIONS
 			*(.initcall6.init)
 			*(.initcall7.init)
 		__initcall_end = .;
+		. = ALIGN(32);
+		__initramfs_start = .;
+			*(.init.initramfs)
+		__initramfs_end = .;
 		. = ALIGN(4096);
 		__init_end = .;
 	}

include/asm-arm/mman.h

@@ -18,6 +18,8 @@
 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
 #define MAP_LOCKED	0x2000		/* pages are locked */
 #define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) page tables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
 
 #define MS_ASYNC	1		/* sync memory asynchronously */
 #define MS_INVALIDATE	2		/* invalidate the caches */