#include <asm/pgalloc.h>
#include <asm/prom.h>
#include <asm/io.h>
-#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/mmu.h>
#include <asm/smp.h>
#include <asm/btext.h>
#include <asm/tlb.h>
#include <asm/sections.h>
+#include <asm/system.h>
#include "mmu_decl.h"
#if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
/* The ammount of lowmem must be within 0xF0000000 - KERNELBASE. */
-#if (CONFIG_LOWMEM_SIZE > (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
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+phys_addr_t total_memory;
+phys_addr_t total_lowmem;
-unsigned long total_memory;
-unsigned long total_lowmem;
-
-phys_addr_t memstart_addr;
+phys_addr_t memstart_addr = (phys_addr_t)~0ull;
+EXPORT_SYMBOL(memstart_addr);
+phys_addr_t kernstart_addr;
+EXPORT_SYMBOL(kernstart_addr);
phys_addr_t lowmem_end_addr;
int boot_mapsize;
EXPORT_SYMBOL(agp_special_page);
#endif
-#ifdef CONFIG_HIGHMEM
-pte_t *kmap_pte;
-pgprot_t kmap_prot;
-
-EXPORT_SYMBOL(kmap_prot);
-EXPORT_SYMBOL(kmap_pte);
-#endif
-
void MMU_init(void);
/* XXX should be in current.h -- paulus */
extern struct task_struct *current_set[NR_CPUS];
-extern int init_bootmem_done;
-
/*
* this tells the system to map all of ram with the segregs
* (i.e. page tables) instead of the bats.
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;
/*
- * limit of what is accessible with initial MMU setup -
+ * address of the limit of what is accessible with initial MMU setup -
* 256MB usually, but only 16MB on 601.
*/
-unsigned long __initial_memory_limit = 0x10000000;
+phys_addr_t __initial_memory_limit_addr = (phys_addr_t)0x10000000;
/*
* Check for command-line options that affect what MMU_init will do.
/* 601 can only access 16MB at the moment */
if (PVR_VER(mfspr(SPRN_PVR)) == 1)
- __initial_memory_limit = 0x01000000;
+ __initial_memory_limit_addr = 0x01000000;
/* 8xx can only access 8MB at the moment */
if (PVR_VER(mfspr(SPRN_PVR)) == 0x50)
- __initial_memory_limit = 0x00800000;
+ __initial_memory_limit_addr = 0x00800000;
/* parse args from command line */
MMU_setup();
if (lmb.memory.cnt > 1) {
+#ifndef CONFIG_WII
lmb.memory.cnt = 1;
lmb_analyze();
printk(KERN_WARNING "Only using first contiguous memory region");
+#else
+ wii_memory_fixups();
+#endif
}
total_lowmem = total_memory = lmb_end_of_DRAM() - memstart_addr;
ppc_md.progress("MMU:mapin", 0x301);
mapin_ram();
-#ifdef CONFIG_HIGHMEM
- ioremap_base = PKMAP_BASE;
-#else
- ioremap_base = 0xfe000000UL; /* for now, could be 0xfffff000 */
-#endif /* CONFIG_HIGHMEM */
- ioremap_bot = ioremap_base;
+ /* 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.setup_io_mappings)
- ppc_md.setup_io_mappings();
-
- /* Initialize the context management stuff */
- mmu_context_init();
if (ppc_md.progress)
ppc_md.progress("MMU:exit", 0x211);
p = alloc_bootmem_pages(PAGE_SIZE);
} else {
p = __va(lmb_alloc_base(PAGE_SIZE, PAGE_SIZE,
- __initial_memory_limit));
+ __initial_memory_limit_addr));
}
return p;
}
}
#endif
-#ifdef CONFIG_PROC_KCORE
-static struct kcore_list kcore_vmem;
-
-static int __init setup_kcore(void)
-{
- int i;
-
- for (i = 0; i < lmb.memory.cnt; i++) {
- unsigned long base;
- unsigned long size;
- struct kcore_list *kcore_mem;
-
- base = lmb.memory.region[i].base;
- size = lmb.memory.region[i].size;
-
- kcore_mem = kmalloc(sizeof(struct kcore_list), GFP_ATOMIC);
- if (!kcore_mem)
- panic("%s: kmalloc failed\n", __func__);
-
- /* must stay under 32 bits */
- if ( 0xfffffffful - (unsigned long)__va(base) < size) {
- size = 0xfffffffful - (unsigned long)(__va(base));
- printk(KERN_DEBUG "setup_kcore: restrict size=%lx\n",
- size);
- }
-
- kclist_add(kcore_mem, __va(base), size);
- }
-
- kclist_add(&kcore_vmem, (void *)VMALLOC_START,
- VMALLOC_END-VMALLOC_START);
-
- return 0;
-}
-module_init(setup_kcore);
-#endif