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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/mm/init_32.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/mm/init_32.c')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/mm/init_32.c219
1 files changed, 0 insertions, 219 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/mm/init_32.c b/ANDROID_3.4.5/arch/powerpc/mm/init_32.c
deleted file mode 100644
index 01e2db97..00000000
--- a/ANDROID_3.4.5/arch/powerpc/mm/init_32.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * PowerPC version
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
- * and Cort Dougan (PReP) (cort@cs.nmt.edu)
- * Copyright (C) 1996 Paul Mackerras
- * PPC44x/36-bit changes by Matt Porter (mporter@mvista.com)
- *
- * Derived from "arch/i386/mm/init.c"
- * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * 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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/initrd.h>
-#include <linux/pagemap.h>
-#include <linux/memblock.h>
-#include <linux/gfp.h>
-#include <linux/slab.h>
-#include <linux/hugetlb.h>
-
-#include <asm/pgalloc.h>
-#include <asm/prom.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/mmu.h>
-#include <asm/smp.h>
-#include <asm/machdep.h>
-#include <asm/btext.h>
-#include <asm/tlb.h>
-#include <asm/sections.h>
-#include <asm/hugetlb.h>
-
-#include "mmu_decl.h"
-
-#if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
-/* The amount of lowmem must be within 0xF0000000 - KERNELBASE. */
-#if (CONFIG_LOWMEM_SIZE > (0xF0000000 - PAGE_OFFSET))
-#error "You must adjust CONFIG_LOWMEM_SIZE or CONFIG_START_KERNEL"
-#endif
-#endif
-#define MAX_LOW_MEM CONFIG_LOWMEM_SIZE
-
-phys_addr_t total_memory;
-phys_addr_t total_lowmem;
-
-phys_addr_t memstart_addr = (phys_addr_t)~0ull;
-EXPORT_SYMBOL(memstart_addr);
-phys_addr_t kernstart_addr;
-EXPORT_SYMBOL(kernstart_addr);
-
-#ifdef CONFIG_RELOCATABLE_PPC32
-/* Used in __va()/__pa() */
-long long virt_phys_offset;
-EXPORT_SYMBOL(virt_phys_offset);
-#endif
-
-phys_addr_t lowmem_end_addr;
-
-int boot_mapsize;
-#ifdef CONFIG_PPC_PMAC
-unsigned long agp_special_page;
-EXPORT_SYMBOL(agp_special_page);
-#endif
-
-void MMU_init(void);
-
-/* XXX should be in current.h -- paulus */
-extern struct task_struct *current_set[NR_CPUS];
-
-/*
- * this tells the system to map all of ram with the segregs
- * (i.e. page tables) instead of the bats.
- * -- Cort
- */
-int __map_without_bats;
-int __map_without_ltlbs;
-
-/*
- * This tells the system to allow ioremapping memory marked as reserved.
- */
-int __allow_ioremap_reserved;
-
-/* max amount of low RAM to map in */
-unsigned long __max_low_memory = MAX_LOW_MEM;
-
-/*
- * Check for command-line options that affect what MMU_init will do.
- */
-void MMU_setup(void)
-{
- /* Check for nobats option (used in mapin_ram). */
- if (strstr(cmd_line, "nobats")) {
- __map_without_bats = 1;
- }
-
- if (strstr(cmd_line, "noltlbs")) {
- __map_without_ltlbs = 1;
- }
-#ifdef CONFIG_DEBUG_PAGEALLOC
- __map_without_bats = 1;
- __map_without_ltlbs = 1;
-#endif
-}
-
-/*
- * MMU_init sets up the basic memory mappings for the kernel,
- * including both RAM and possibly some I/O regions,
- * and sets up the page tables and the MMU hardware ready to go.
- */
-void __init MMU_init(void)
-{
- if (ppc_md.progress)
- ppc_md.progress("MMU:enter", 0x111);
-
- /* parse args from command line */
- MMU_setup();
-
- /*
- * Reserve gigantic pages for hugetlb. This MUST occur before
- * lowmem_end_addr is initialized below.
- */
- reserve_hugetlb_gpages();
-
- if (memblock.memory.cnt > 1) {
-#ifndef CONFIG_WII
- memblock_enforce_memory_limit(memblock.memory.regions[0].size);
- printk(KERN_WARNING "Only using first contiguous memory region");
-#else
- wii_memory_fixups();
-#endif
- }
-
- total_lowmem = total_memory = memblock_end_of_DRAM() - memstart_addr;
- lowmem_end_addr = memstart_addr + total_lowmem;
-
-#ifdef CONFIG_FSL_BOOKE
- /* Freescale Book-E parts expect lowmem to be mapped by fixed TLB
- * entries, so we need to adjust lowmem to match the amount we can map
- * in the fixed entries */
- adjust_total_lowmem();
-#endif /* CONFIG_FSL_BOOKE */
-
- if (total_lowmem > __max_low_memory) {
- total_lowmem = __max_low_memory;
- lowmem_end_addr = memstart_addr + total_lowmem;
-#ifndef CONFIG_HIGHMEM
- total_memory = total_lowmem;
- memblock_enforce_memory_limit(total_lowmem);
-#endif /* CONFIG_HIGHMEM */
- }
-
- /* Initialize the MMU hardware */
- if (ppc_md.progress)
- ppc_md.progress("MMU:hw init", 0x300);
- MMU_init_hw();
-
- /* Map in all of RAM starting at KERNELBASE */
- if (ppc_md.progress)
- ppc_md.progress("MMU:mapin", 0x301);
- mapin_ram();
-
- /* Initialize early top-down ioremap allocator */
- ioremap_bot = IOREMAP_TOP;
-
- /* Map in I/O resources */
- if (ppc_md.progress)
- ppc_md.progress("MMU:setio", 0x302);
-
- if (ppc_md.progress)
- ppc_md.progress("MMU:exit", 0x211);
-
- /* From now on, btext is no longer BAT mapped if it was at all */
-#ifdef CONFIG_BOOTX_TEXT
- btext_unmap();
-#endif
-
- /* Shortly after that, the entire linear mapping will be available */
- memblock_set_current_limit(lowmem_end_addr);
-}
-
-/* This is only called until mem_init is done. */
-void __init *early_get_page(void)
-{
- if (init_bootmem_done)
- return alloc_bootmem_pages(PAGE_SIZE);
- else
- return __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
-}
-
-#ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */
-void setup_initial_memory_limit(phys_addr_t first_memblock_base,
- phys_addr_t first_memblock_size)
-{
- /* We don't currently support the first MEMBLOCK not mapping 0
- * physical on those processors
- */
- BUG_ON(first_memblock_base != 0);
-
- /* 8xx can only access 8MB at the moment */
- memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));
-}
-#endif /* CONFIG_8xx */