arch: remove score port

The Sunplus S+core architecture was added in 2009 by Chen Liqin,
who has been co-maintaining it with Lennox Wu <lennox.wu@gmail.com>
since then, but after they both left the company, nobody else has shown
any interest in the port and it has seen almost no activity other than
tree-wide changes.

The gcc port was removed a few years ago due to the inactivity.

While the sunplus website still advertises products with unspecified
RISC cores that might be S+core based, it's very clear that the Linux
port is completely abandoned at this point.

This removes all files related to the architecture.

Acked-by: Lennox Wu <lennox.wu@gmail.com>
Link: http://www.sunplus.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

8 files changed, 0 insertions, 1175 deletions

diff --git a/arch/score/mm/Makefile b/arch/score/mm/Makefile
deleted file mode 100644
index 7b1e29b1f8cd..000000000000
--- a/arch/score/mm/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the Linux/SCORE-specific parts of the memory manager.
-#
-
-obj-y += cache.o extable.o fault.o init.o \
-	tlb-miss.o tlb-score.o pgtable.o
diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c
deleted file mode 100644
index b4bcfd3e8393..000000000000
--- a/arch/score/mm/cache.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * arch/score/mm/cache.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/init.h>
-#include <linux/linkage.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/fs.h>
-
-#include <asm/mmu_context.h>
-
-/*
-Just flush entire Dcache!!
-You must ensure the page doesn't include instructions, because
-the function will not flush the Icache.
-The addr must be cache aligned.
-*/
-static void flush_data_cache_page(unsigned long addr)
-{
-	unsigned int i;
-	for (i = 0; i < (PAGE_SIZE / L1_CACHE_BYTES); i += L1_CACHE_BYTES) {
-		__asm__ __volatile__(
-		"cache 0x0e, [%0, 0]\n"
-		"cache 0x1a, [%0, 0]\n"
-		"nop\n"
-		: : "r" (addr));
-		addr += L1_CACHE_BYTES;
-	}
-}
-
-void flush_dcache_page(struct page *page)
-{
-	struct address_space *mapping = page_mapping(page);
-	unsigned long addr;
-
-	if (PageHighMem(page))
-		return;
-	if (mapping && !mapping_mapped(mapping)) {
-		set_bit(PG_dcache_dirty, &(page)->flags);
-		return;
-	}
-
-	/*
-	 * We could delay the flush for the !page_mapping case too.  But that
-	 * case is for exec env/arg pages and those are %99 certainly going to
-	 * get faulted into the tlb (and thus flushed) anyways.
-	 */
-	addr = (unsigned long) page_address(page);
-	flush_data_cache_page(addr);
-}
-EXPORT_SYMBOL(flush_dcache_page);
-
-/* called by update_mmu_cache. */
-void __update_cache(struct vm_area_struct *vma, unsigned long address,
-		pte_t pte)
-{
-	struct page *page;
-	unsigned long pfn, addr;
-	int exec = (vma->vm_flags & VM_EXEC);
-
-	pfn = pte_pfn(pte);
-	if (unlikely(!pfn_valid(pfn)))
-		return;
-	page = pfn_to_page(pfn);
-	if (page_mapping(page) && test_bit(PG_dcache_dirty, &(page)->flags)) {
-		addr = (unsigned long) page_address(page);
-		if (exec)
-			flush_data_cache_page(addr);
-		clear_bit(PG_dcache_dirty, &(page)->flags);
-	}
-}
-
-static inline void setup_protection_map(void)
-{
-	protection_map[0] = PAGE_NONE;
-	protection_map[1] = PAGE_READONLY;
-	protection_map[2] = PAGE_COPY;
-	protection_map[3] = PAGE_COPY;
-	protection_map[4] = PAGE_READONLY;
-	protection_map[5] = PAGE_READONLY;
-	protection_map[6] = PAGE_COPY;
-	protection_map[7] = PAGE_COPY;
-	protection_map[8] = PAGE_NONE;
-	protection_map[9] = PAGE_READONLY;
-	protection_map[10] = PAGE_SHARED;
-	protection_map[11] = PAGE_SHARED;
-	protection_map[12] = PAGE_READONLY;
-	protection_map[13] = PAGE_READONLY;
-	protection_map[14] = PAGE_SHARED;
-	protection_map[15] = PAGE_SHARED;
-}
-
-void cpu_cache_init(void)
-{
-	setup_protection_map();
-}
-
-void flush_icache_all(void)
-{
-	__asm__ __volatile__(
-	"la r8, flush_icache_all\n"
-	"cache 0x10, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	: : : "r8");
-}
-
-void flush_dcache_all(void)
-{
-	__asm__ __volatile__(
-	"la r8, flush_dcache_all\n"
-	"cache 0x1f, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	"cache 0x1a, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	: : : "r8");
-}
-
-void flush_cache_all(void)
-{
-	__asm__ __volatile__(
-	"la r8, flush_cache_all\n"
-	"cache 0x10, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	"cache 0x1f, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	"cache 0x1a, [r8, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\nnop\n"
-	: : : "r8");
-}
-
-void flush_cache_mm(struct mm_struct *mm)
-{
-	if (!(mm->context))
-		return;
-	flush_cache_all();
-}
-
-/*if we flush a range precisely , the processing may be very long.
-We must check each page in the range whether present. If the page is present,
-we can flush the range in the page. Be careful, the range may be cross two
-page, a page is present and another is not present.
-*/
-/*
-The interface is provided in hopes that the port can find
-a suitably efficient method for removing multiple page
-sized regions from the cache.
-*/
-void flush_cache_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end)
-{
-	struct mm_struct *mm = vma->vm_mm;
-	int exec = vma->vm_flags & VM_EXEC;
-	pgd_t *pgdp;
-	pud_t *pudp;
-	pmd_t *pmdp;
-	pte_t *ptep;
-
-	if (!(mm->context))
-		return;
-
-	pgdp = pgd_offset(mm, start);
-	pudp = pud_offset(pgdp, start);
-	pmdp = pmd_offset(pudp, start);
-	ptep = pte_offset(pmdp, start);
-
-	while (start <= end) {
-		unsigned long tmpend;
-		pgdp = pgd_offset(mm, start);
-		pudp = pud_offset(pgdp, start);
-		pmdp = pmd_offset(pudp, start);
-		ptep = pte_offset(pmdp, start);
-
-		if (!(pte_val(*ptep) & _PAGE_PRESENT)) {
-			start = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);
-			continue;
-		}
-		tmpend = (start | (PAGE_SIZE-1)) > end ?
-				 end : (start | (PAGE_SIZE-1));
-
-		flush_dcache_range(start, tmpend);
-		if (exec)
-			flush_icache_range(start, tmpend);
-		start = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);
-	}
-}
-
-void flush_cache_page(struct vm_area_struct *vma,
-		unsigned long addr, unsigned long pfn)
-{
-	int exec = vma->vm_flags & VM_EXEC;
-	unsigned long kaddr = 0xa0000000 | (pfn << PAGE_SHIFT);
-
-	flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
-
-	if (exec)
-		flush_icache_range(kaddr, kaddr + PAGE_SIZE);
-}
-
-void flush_cache_sigtramp(unsigned long addr)
-{
-	__asm__ __volatile__(
-	"cache 0x02, [%0, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\n"
-	"cache 0x02, [%0, 0x4]\n"
-	"nop\nnop\nnop\nnop\nnop\n"
-
-	"cache 0x0d, [%0, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\n"
-	"cache 0x0d, [%0, 0x4]\n"
-	"nop\nnop\nnop\nnop\nnop\n"
-
-	"cache 0x1a, [%0, 0]\n"
-	"nop\nnop\nnop\nnop\nnop\n"
-	: : "r" (addr));
-}
-
-/*
-1. WB and invalid a cache line of Dcache
-2. Drain Write Buffer
-the range must be smaller than PAGE_SIZE
-*/
-void flush_dcache_range(unsigned long start, unsigned long end)
-{
-	int size, i;
-
-	start = start & ~(L1_CACHE_BYTES - 1);
-	end = end & ~(L1_CACHE_BYTES - 1);
-	size = end - start;
-	/* flush dcache to ram, and invalidate dcache lines. */
-	for (i = 0; i < size; i += L1_CACHE_BYTES) {
-		__asm__ __volatile__(
-		"cache 0x0e, [%0, 0]\n"
-		"nop\nnop\nnop\nnop\nnop\n"
-		"cache 0x1a, [%0, 0]\n"
-		"nop\nnop\nnop\nnop\nnop\n"
-		: : "r" (start));
-		start += L1_CACHE_BYTES;
-	}
-}
-
-void flush_icache_range(unsigned long start, unsigned long end)
-{
-	int size, i;
-	start = start & ~(L1_CACHE_BYTES - 1);
-	end = end & ~(L1_CACHE_BYTES - 1);
-
-	size = end - start;
-	/* invalidate icache lines. */
-	for (i = 0; i < size; i += L1_CACHE_BYTES) {
-		__asm__ __volatile__(
-		"cache 0x02, [%0, 0]\n"
-		"nop\nnop\nnop\nnop\nnop\n"
-		: : "r" (start));
-		start += L1_CACHE_BYTES;
-	}
-}
-EXPORT_SYMBOL(flush_icache_range);
diff --git a/arch/score/mm/extable.c b/arch/score/mm/extable.c
deleted file mode 100644
index 6736a3ad6286..000000000000
--- a/arch/score/mm/extable.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * arch/score/mm/extable.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/extable.h>
-#include <linux/ptrace.h>
-#include <asm/extable.h>
-
-int fixup_exception(struct pt_regs *regs)
-{
-	const struct exception_table_entry *fixup;
-
-	fixup = search_exception_tables(regs->cp0_epc);
-	if (fixup) {
-		regs->cp0_epc = fixup->fixup;
-		return 1;
-	}
-	return 0;
-}
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
deleted file mode 100644
index b85fad4f0874..000000000000
--- a/arch/score/mm/fault.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * arch/score/mm/fault.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/extable.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/uaccess.h>
-
-/*
- * This routine handles page faults.  It determines the address,
- * and the problem, and then passes it off to one of the appropriate
- * routines.
- */
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
-				unsigned long address)
-{
-	struct vm_area_struct *vma = NULL;
-	struct task_struct *tsk = current;
-	struct mm_struct *mm = tsk->mm;
-	const int field = sizeof(unsigned long) * 2;
-	unsigned long flags = 0;
-	siginfo_t info;
-	int fault;
-
-	info.si_code = SEGV_MAPERR;
-
-	/*
-	* We fault-in kernel-space virtual memory on-demand. The
-	* 'reference' page table is init_mm.pgd.
-	*
-	* NOTE! We MUST NOT take any locks for this case. We may
-	* be in an interrupt or a critical region, and should
-	* only copy the information from the master page table,
-	* nothing more.
-	*/
-	if (unlikely(address >= VMALLOC_START && address <= VMALLOC_END))
-		goto vmalloc_fault;
-#ifdef MODULE_START
-	if (unlikely(address >= MODULE_START && address < MODULE_END))
-		goto vmalloc_fault;
-#endif
-
-	/*
-	* If we're in an interrupt or have no user
-	* context, we must not take the fault..
-	*/
-	if (pagefault_disabled() || !mm)
-		goto bad_area_nosemaphore;
-
-	if (user_mode(regs))
-		flags |= FAULT_FLAG_USER;
-
-	down_read(&mm->mmap_sem);
-	vma = find_vma(mm, address);
-	if (!vma)
-		goto bad_area;
-	if (vma->vm_start <= address)
-		goto good_area;
-	if (!(vma->vm_flags & VM_GROWSDOWN))
-		goto bad_area;
-	if (expand_stack(vma, address))
-		goto bad_area;
-	/*
-	* Ok, we have a good vm_area for this memory access, so
-	* we can handle it..
-	 */
-good_area:
-	info.si_code = SEGV_ACCERR;
-
-	if (write) {
-		if (!(vma->vm_flags & VM_WRITE))
-			goto bad_area;
-		flags |= FAULT_FLAG_WRITE;
-	} else {
-		if (!(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)))
-			goto bad_area;
-	}
-
-	/*
-	* If for any reason at all we couldn't handle the fault,
-	* make sure we exit gracefully rather than endlessly redo
-	* the fault.
-	*/
-	fault = handle_mm_fault(vma, address, flags);
-	if (unlikely(fault & VM_FAULT_ERROR)) {
-		if (fault & VM_FAULT_OOM)
-			goto out_of_memory;
-		else if (fault & VM_FAULT_SIGSEGV)
-			goto bad_area;
-		else if (fault & VM_FAULT_SIGBUS)
-			goto do_sigbus;
-		BUG();
-	}
-	if (fault & VM_FAULT_MAJOR)
-		tsk->maj_flt++;
-	else
-		tsk->min_flt++;
-
-	up_read(&mm->mmap_sem);
-	return;
-
-	/*
-	* Something tried to access memory that isn't in our memory map..
-	* Fix it, but check if it's kernel or user first..
-	 */
-bad_area:
-	up_read(&mm->mmap_sem);
-
-bad_area_nosemaphore:
-	/* User mode accesses just cause a SIGSEGV */
-	if (user_mode(regs)) {
-		tsk->thread.cp0_badvaddr = address;
-		tsk->thread.error_code = write;
-		info.si_signo = SIGSEGV;
-		info.si_errno = 0;
-		/* info.si_code has been set above */
-		info.si_addr = (void __user *) address;
-		force_sig_info(SIGSEGV, &info, tsk);
-		return;
-	}
-
-no_context:
-	/* Are we prepared to handle this kernel fault? */
-	if (fixup_exception(regs)) {
-		current->thread.cp0_baduaddr = address;
-		return;
-	}
-
-	/*
-	* Oops. The kernel tried to access some bad page. We'll have to
-	* terminate things with extreme prejudice.
-	*/
-	bust_spinlocks(1);
-
-	printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at "
-			"virtual address %0*lx, epc == %0*lx, ra == %0*lx\n",
-			0, field, address, field, regs->cp0_epc,
-			field, regs->regs[3]);
-	die("Oops", regs);
-
-	/*
-	* We ran out of memory, or some other thing happened to us that made
-	* us unable to handle the page fault gracefully.
-	*/
-out_of_memory:
-	up_read(&mm->mmap_sem);
-	if (!user_mode(regs))
-		goto no_context;
-	pagefault_out_of_memory();
-	return;
-
-do_sigbus:
-	up_read(&mm->mmap_sem);
-	/* Kernel mode? Handle exceptions or die */
-	if (!user_mode(regs))
-		goto no_context;
-	else
-	/*
-	* Send a sigbus, regardless of whether we were in kernel
-	* or user mode.
-	*/
-	tsk->thread.cp0_badvaddr = address;
-	info.si_signo = SIGBUS;
-	info.si_errno = 0;
-	info.si_code = BUS_ADRERR;
-	info.si_addr = (void __user *) address;
-	force_sig_info(SIGBUS, &info, tsk);
-	return;
-vmalloc_fault:
-	{
-		/*
-		* Synchronize this task's top level page-table
-		* with the 'reference' page table.
-		*
-		* Do _not_ use "tsk" here. We might be inside
-		* an interrupt in the middle of a task switch..
-		*/
-		int offset = __pgd_offset(address);
-		pgd_t *pgd, *pgd_k;
-		pud_t *pud, *pud_k;
-		pmd_t *pmd, *pmd_k;
-		pte_t *pte_k;
-
-		pgd = (pgd_t *) pgd_current + offset;
-		pgd_k = init_mm.pgd + offset;
-
-		if (!pgd_present(*pgd_k))
-			goto no_context;
-		set_pgd(pgd, *pgd_k);
-
-		pud = pud_offset(pgd, address);
-		pud_k = pud_offset(pgd_k, address);
-		if (!pud_present(*pud_k))
-			goto no_context;
-
-		pmd = pmd_offset(pud, address);
-		pmd_k = pmd_offset(pud_k, address);
-		if (!pmd_present(*pmd_k))
-			goto no_context;
-		set_pmd(pmd, *pmd_k);
-
-		pte_k = pte_offset_kernel(pmd_k, address);
-		if (!pte_present(*pte_k))
-			goto no_context;
-		return;
-	}
-}
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
deleted file mode 100644
index 444c26c0f750..000000000000
--- a/arch/score/mm/init.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * arch/score/mm/init.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/errno.h>
-#include <linux/bootmem.h>
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/pagemap.h>
-#include <linux/kcore.h>
-#include <linux/sched.h>
-#include <linux/initrd.h>
-
-#include <asm/sections.h>
-#include <asm/tlb.h>
-
-unsigned long empty_zero_page;
-EXPORT_SYMBOL_GPL(empty_zero_page);
-
-static void setup_zero_page(void)
-{
-	struct page *page;
-
-	empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, 0);
-	if (!empty_zero_page)
-		panic("Oh boy, that early out of memory?");
-
-	page = virt_to_page((void *) empty_zero_page);
-	mark_page_reserved(page);
-}
-
-#ifndef CONFIG_NEED_MULTIPLE_NODES
-int page_is_ram(unsigned long pagenr)
-{
-	if (pagenr >= min_low_pfn && pagenr < max_low_pfn)
-		return 1;
-	else
-		return 0;
-}
-
-void __init paging_init(void)
-{
-	unsigned long max_zone_pfns[MAX_NR_ZONES];
-	unsigned long lastpfn;
-
-	pagetable_init();
-	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-	lastpfn = max_low_pfn;
-	free_area_init_nodes(max_zone_pfns);
-}
-
-void __init mem_init(void)
-{
-	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
-	free_all_bootmem();
-	setup_zero_page();	/* Setup zeroed pages. */
-
-	mem_init_print_info(NULL);
-}
-#endif /* !CONFIG_NEED_MULTIPLE_NODES */
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,
-			   "initrd");
-}
-#endif
-
-void __ref free_initmem(void)
-{
-	free_initmem_default(POISON_FREE_INITMEM);
-}
-
-unsigned long pgd_current;
-
-#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order)))
-
-/*
- * gcc 3.3 and older have trouble determining that PTRS_PER_PGD and PGD_ORDER
- * are constants.  So we use the variants from asm-offset.h until that gcc
- * will officially be retired.
- */
-pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PTE_ORDER);
-pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
diff --git a/arch/score/mm/pgtable.c b/arch/score/mm/pgtable.c
deleted file mode 100644
index 6408bb73d3cc..000000000000
--- a/arch/score/mm/pgtable.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * arch/score/mm/pgtable-32.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/bootmem.h>
-#include <linux/init.h>
-#include <linux/pfn.h>
-#include <linux/mm.h>
-
-void pgd_init(unsigned long page)
-{
-	unsigned long *p = (unsigned long *) page;
-	int i;
-
-	for (i = 0; i < USER_PTRS_PER_PGD; i += 8) {
-		p[i + 0] = (unsigned long) invalid_pte_table;
-		p[i + 1] = (unsigned long) invalid_pte_table;
-		p[i + 2] = (unsigned long) invalid_pte_table;
-		p[i + 3] = (unsigned long) invalid_pte_table;
-		p[i + 4] = (unsigned long) invalid_pte_table;
-		p[i + 5] = (unsigned long) invalid_pte_table;
-		p[i + 6] = (unsigned long) invalid_pte_table;
-		p[i + 7] = (unsigned long) invalid_pte_table;
-	}
-}
-
-void __init pagetable_init(void)
-{
-	/* Initialize the entire pgd. */
-	pgd_init((unsigned long)swapper_pg_dir);
-}
diff --git a/arch/score/mm/tlb-miss.S b/arch/score/mm/tlb-miss.S
deleted file mode 100644
index f27651914e8d..000000000000
--- a/arch/score/mm/tlb-miss.S
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * arch/score/mm/tlbex.S
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <asm/asmmacro.h>
-#include <asm/pgtable-bits.h>
-#include <asm/scoreregs.h>
-
-/*
-* After this macro runs, the pte faulted on is
-* in register PTE, a ptr into the table in which
-* the pte belongs is in PTR.
-*/
-	.macro	load_pte, pte, ptr
-	la	\ptr, pgd_current
-	lw	\ptr, [\ptr, 0]
-	mfcr	\pte, cr6
-	srli	\pte, \pte, 22
-	slli	\pte, \pte, 2
-	add	\ptr, \ptr, \pte
-	lw	\ptr, [\ptr, 0]
-	mfcr	\pte, cr6
-	srli	\pte, \pte, 10
-	andi	\pte, 0xffc
-	add	\ptr, \ptr, \pte
-	lw	\pte, [\ptr, 0]
-	.endm
-
-	.macro	pte_reload, ptr
-	lw	\ptr, [\ptr, 0]
-	mtcr	\ptr, cr12
-	nop
-	nop
-	nop
-	nop
-	nop
-	.endm
-
-	.macro do_fault, write
-	SAVE_ALL
-	mfcr	r6, cr6
-	mv	r4, r0
-	ldi	r5, \write
-	la	r8, do_page_fault
-	brl	r8
-	j	ret_from_exception
-	.endm
-
-	.macro	pte_writable, pte, ptr, label
-	andi	\pte, 0x280
-	cmpi.c	\pte, 0x280
-	bne	\label
-	lw	\pte, [\ptr, 0]		/*reload PTE*/
-	.endm
-
-/*
- * Make PTE writable, update software status bits as well,
- * then store at PTR.
- */
-	.macro	pte_makewrite, pte, ptr
-	ori	\pte, 0x426
-	sw	\pte, [\ptr, 0]
-	.endm
-
-	.text
-ENTRY(score7_FTLB_refill_Handler)
-	la	r31, pgd_current	/* get pgd pointer */
-	lw	r31, [r31, 0]		/* get the address of PGD */
-	mfcr	r30, cr6
-	srli	r30, r30, 22		/* PGDIR_SHIFT = 22*/
-	slli	r30, r30, 2
-	add	r31, r31, r30
-	lw	r31, [r31, 0]		/* get the address of the start address of PTE table */
-
-	mfcr	r30, cr9
-	andi	r30, 0xfff 		/* equivalent to get PET index and right shift 2 bits */
-	add	r31, r31, r30
-	lw	r30, [r31, 0]		/* load pte entry */
-	mtcr	r30, cr12
-	nop
-	nop
-	nop
-	nop
-	nop
-	mtrtlb
-	nop
-	nop
-	nop
-	nop
-	nop
-	rte				/* 6 cycles to make sure tlb entry works */
-
-ENTRY(score7_KSEG_refill_Handler)
-	la	r31, pgd_current	/* get pgd pointer */
-	lw	r31, [r31, 0]		/* get the address of PGD */
-	mfcr	r30, cr6
-	srli	r30, r30, 22		/* PGDIR_SHIFT = 22 */
-	slli	r30, r30, 2
-	add	r31, r31, r30
-	lw	r31, [r31, 0]		/* get the address of the start address of PTE table */
-
-	mfcr	r30, cr6		/* get Bad VPN */
-	srli	r30, r30, 10
-	andi	r30, 0xffc		/* PTE VPN mask (bit 11~2) */
-
-	add	r31, r31, r30
-	lw	r30, [r31, 0]		/* load pte entry */
-	mtcr	r30, cr12
-	nop
-	nop
-	nop
-	nop
-	nop
-	mtrtlb
-	nop
-	nop
-	nop
-	nop
-	nop
-	rte				/* 6 cycles to make sure tlb entry works */
-
-nopage_tlbl:
-	do_fault	0		/* Read */
-
-ENTRY(handle_tlb_refill)
-	load_pte	r30, r31
-	pte_writable	r30, r31, handle_tlb_refill_nopage
-	pte_makewrite	r30, r31	/* Access|Modify|Dirty|Valid */
-	pte_reload	r31
-	mtrtlb
-	nop
-	nop
-	nop
-	nop
-	nop
-	rte
-handle_tlb_refill_nopage:
-	do_fault	0		/* Read */
-
-ENTRY(handle_tlb_invaild)
-	load_pte	r30, r31
-	stlb				/* find faulting entry */
-	pte_writable	r30, r31, handle_tlb_invaild_nopage
-	pte_makewrite	r30, r31	/* Access|Modify|Dirty|Valid */
-	pte_reload	r31
-	mtptlb
-	nop
-	nop
-	nop
-	nop
-	nop
-	rte
-handle_tlb_invaild_nopage:
-	do_fault	0		/* Read */
-
-ENTRY(handle_mod)
-	load_pte	r30, r31
-	stlb				/* find faulting entry */
-	andi	r30, _PAGE_WRITE	/* Writable? */
-	cmpz.c	r30
-	beq	nowrite_mod
-	lw	r30, [r31, 0]		/* reload into r30 */
-
-	/* Present and writable bits set, set accessed and dirty bits. */
-	pte_makewrite	r30, r31
-
-	/* Now reload the entry into the tlb. */
-	pte_reload	r31
-	mtptlb
-	nop
-	nop
-	nop
-	nop
-	nop
-	rte
-
-nowrite_mod:
-	do_fault	1	/* Write */
diff --git a/arch/score/mm/tlb-score.c b/arch/score/mm/tlb-score.c
deleted file mode 100644
index 004073717de0..000000000000
--- a/arch/score/mm/tlb-score.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * arch/score/mm/tlb-score.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- *  Lennox Wu <lennox.wu@sunplusct.com>
- *  Chen Liqin <liqin.chen@sunplusct.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/highmem.h>
-#include <linux/module.h>
-
-#include <asm/irq.h>
-#include <asm/mmu_context.h>
-#include <asm/tlb.h>
-
-#define TLBSIZE 32
-
-unsigned long asid_cache = ASID_FIRST_VERSION;
-EXPORT_SYMBOL(asid_cache);
-
-void local_flush_tlb_all(void)
-{
-	unsigned long flags;
-	unsigned long old_ASID;
-	int entry;
-
-	local_irq_save(flags);
-	old_ASID = pevn_get() & ASID_MASK;
-	pectx_set(0);			/* invalid */
-	entry = tlblock_get();		/* skip locked entries*/
-
-	for (; entry < TLBSIZE; entry++) {
-		tlbpt_set(entry);
-		pevn_set(KSEG1);
-		barrier();
-		tlb_write_indexed();
-	}
-	pevn_set(old_ASID);
-	local_irq_restore(flags);
-}
-
-/*
- * If mm is currently active_mm, we can't really drop it. Instead,
- * we will get a new one for it.
- */
-static inline void
-drop_mmu_context(struct mm_struct *mm)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	get_new_mmu_context(mm);
-	pevn_set(mm->context & ASID_MASK);
-	local_irq_restore(flags);
-}
-
-void local_flush_tlb_mm(struct mm_struct *mm)
-{
-	if (mm->context != 0)
-		drop_mmu_context(mm);
-}
-
-void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
-	unsigned long end)
-{
-	struct mm_struct *mm = vma->vm_mm;
-	unsigned long vma_mm_context = mm->context;
-	if (mm->context != 0) {
-		unsigned long flags;
-		int size;
-
-		local_irq_save(flags);
-		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-		if (size <= TLBSIZE) {
-			int oldpid = pevn_get() & ASID_MASK;
-			int newpid = vma_mm_context & ASID_MASK;
-
-			start &= PAGE_MASK;
-			end += (PAGE_SIZE - 1);
-			end &= PAGE_MASK;
-			while (start < end) {
-				int idx;
-
-				pevn_set(start | newpid);
-				start += PAGE_SIZE;
-				barrier();
-				tlb_probe();
-				idx = tlbpt_get();
-				pectx_set(0);
-				pevn_set(KSEG1);
-				if (idx < 0)
-					continue;
-				tlb_write_indexed();
-			}
-			pevn_set(oldpid);
-		} else {
-			/* Bigger than TLBSIZE, get new ASID directly */
-			get_new_mmu_context(mm);
-			if (mm == current->active_mm)
-				pevn_set(vma_mm_context & ASID_MASK);
-		}
-		local_irq_restore(flags);
-	}
-}
-
-void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
-{
-	unsigned long flags;
-	int size;
-
-	local_irq_save(flags);
-	size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-	if (size <= TLBSIZE) {
-		int pid = pevn_get();
-
-		start &= PAGE_MASK;
-		end += PAGE_SIZE - 1;
-		end &= PAGE_MASK;
-
-		while (start < end) {
-			long idx;
-
-			pevn_set(start);
-			start += PAGE_SIZE;
-			tlb_probe();
-			idx = tlbpt_get();
-			if (idx < 0)
-				continue;
-			pectx_set(0);
-			pevn_set(KSEG1);
-			barrier();
-			tlb_write_indexed();
-		}
-		pevn_set(pid);
-	} else {
-		local_flush_tlb_all();
-	}
-
-	local_irq_restore(flags);
-}
-
-void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
-{
-	if (vma && vma->vm_mm->context != 0) {
-		unsigned long flags;
-		int oldpid, newpid, idx;
-		unsigned long vma_ASID = vma->vm_mm->context;
-
-		newpid = vma_ASID & ASID_MASK;
-		page &= PAGE_MASK;
-		local_irq_save(flags);
-		oldpid = pevn_get() & ASID_MASK;
-		pevn_set(page | newpid);
-		barrier();
-		tlb_probe();
-		idx = tlbpt_get();
-		pectx_set(0);
-		pevn_set(KSEG1);
-		if (idx < 0)		/* p_bit(31) - 1: miss, 0: hit*/
-			goto finish;
-		barrier();
-		tlb_write_indexed();
-finish:
-		pevn_set(oldpid);
-		local_irq_restore(flags);
-	}
-}
-
-/*
- * This one is only used for pages with the global bit set so we don't care
- * much about the ASID.
- */
-void local_flush_tlb_one(unsigned long page)
-{
-	unsigned long flags;
-	int oldpid, idx;
-
-	local_irq_save(flags);
-	oldpid = pevn_get();
-	page &= (PAGE_MASK << 1);
-	pevn_set(page);
-	barrier();
-	tlb_probe();
-	idx = tlbpt_get();
-	pectx_set(0);
-	if (idx >= 0) {
-		/* Make sure all entries differ. */
-		pevn_set(KSEG1);
-		barrier();
-		tlb_write_indexed();
-	}
-	pevn_set(oldpid);
-	local_irq_restore(flags);
-}
-
-void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
-{
-	unsigned long flags;
-	int idx, pid;
-
-	/*
-	 * Handle debugger faulting in for debugee.
-	 */
-	if (current->active_mm != vma->vm_mm)
-		return;
-
-	pid = pevn_get() & ASID_MASK;
-
-	local_irq_save(flags);
-	address &= PAGE_MASK;
-	pevn_set(address | pid);
-	barrier();
-	tlb_probe();
-	idx = tlbpt_get();
-	pectx_set(pte_val(pte));
-	pevn_set(address | pid);
-	if (idx < 0)
-		tlb_write_random();
-	else
-		tlb_write_indexed();
-
-	pevn_set(pid);
-	local_irq_restore(flags);
-}
-
-void tlb_init(void)
-{
-	tlblock_set(0);
-	local_flush_tlb_all();
-	memcpy((void *)(EXCEPTION_VECTOR_BASE_ADDR + 0x100),
-			&score7_FTLB_refill_Handler, 0xFC);
-	flush_icache_range(EXCEPTION_VECTOR_BASE_ADDR + 0x100,
-			EXCEPTION_VECTOR_BASE_ADDR + 0x1FC);
-}