[SPARC64]: Kill all external references to sp_banks[]
Thus, we can mark sp_banks[] static in arch/sparc64/mm/init.c Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -757,26 +757,12 @@ void __init cheetah_ecache_flush_init(void)
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ecache_flush_size = (2 * largest_size);
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ecache_flush_linesize = smallest_linesize;
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/* Discover a physically contiguous chunk of physical
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* memory in 'sp_banks' of size ecache_flush_size calculated
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* above. Store the physical base of this area at
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* ecache_flush_physbase.
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*/
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for (node = 0; ; node++) {
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if (sp_banks[node].num_bytes == 0)
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break;
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if (sp_banks[node].num_bytes >= ecache_flush_size) {
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ecache_flush_physbase = sp_banks[node].base_addr;
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break;
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}
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}
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ecache_flush_physbase = find_ecache_flush_span(ecache_flush_size);
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/* Note: Zero would be a valid value of ecache_flush_physbase so
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* don't use that as the success test. :-)
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*/
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if (sp_banks[node].num_bytes == 0) {
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if (ecache_flush_physbase == ~0UL) {
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prom_printf("cheetah_ecache_flush_init: Cannot find %d byte "
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"contiguous physical memory.\n", ecache_flush_size);
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"contiguous physical memory.\n",
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ecache_flush_size);
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prom_halt();
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}
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@ -1345,16 +1331,9 @@ static int cheetah_fix_ce(unsigned long physaddr)
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/* Return non-zero if PADDR is a valid physical memory address. */
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static int cheetah_check_main_memory(unsigned long paddr)
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{
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int i;
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unsigned long vaddr = PAGE_OFFSET + paddr;
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for (i = 0; ; i++) {
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if (sp_banks[i].num_bytes == 0)
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break;
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if (paddr >= sp_banks[i].base_addr &&
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paddr < (sp_banks[i].base_addr + sp_banks[i].num_bytes))
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return 1;
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}
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return 0;
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return kern_addr_valid(vaddr);
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}
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void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar)
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@ -32,8 +32,6 @@
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#define ELEMENTS(arr) (sizeof (arr)/sizeof (arr[0]))
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extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
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/*
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* To debug kernel to catch accesses to certain virtual/physical addresses.
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* Mode = 0 selects physical watchpoints, mode = 1 selects virtual watchpoints.
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@ -41,7 +41,14 @@
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extern void device_scan(void);
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struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
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struct sparc_phys_banks {
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unsigned long base_addr;
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unsigned long num_bytes;
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};
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#define SPARC_PHYS_BANKS 32
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static struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
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unsigned long *sparc64_valid_addr_bitmap __read_mostly;
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@ -1425,6 +1432,20 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
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}
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#endif
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unsigned long __init find_ecache_flush_span(unsigned long size)
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{
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unsigned long i;
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for (i = 0; ; i++) {
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if (sp_banks[i].num_bytes == 0)
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break;
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if (sp_banks[i].num_bytes >= size)
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return sp_banks[i].base_addr;
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}
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return ~0UL;
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}
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static void __init prom_probe_memory(void)
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{
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struct linux_mlist_p1275 *mlist;
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@ -140,23 +140,6 @@ extern unsigned long page_to_pfn(struct page *);
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#define virt_to_phys __pa
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#define phys_to_virt __va
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/* The following structure is used to hold the physical
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* memory configuration of the machine. This is filled in
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* probe_memory() and is later used by mem_init() to set up
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* mem_map[]. We statically allocate SPARC_PHYS_BANKS of
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* these structs, this is arbitrary. The entry after the
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* last valid one has num_bytes==0.
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*/
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struct sparc_phys_banks {
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unsigned long base_addr;
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unsigned long num_bytes;
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};
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#define SPARC_PHYS_BANKS 32
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extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
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#endif /* !(__ASSEMBLY__) */
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#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
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@ -342,6 +342,7 @@ extern pgd_t swapper_pg_dir[2048];
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extern pmd_t swapper_low_pmd_dir[2048];
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extern void paging_init(void);
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extern unsigned long find_ecache_flush_span(unsigned long size);
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/* These do nothing with the way I have things setup. */
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#define mmu_lockarea(vaddr, len) (vaddr)
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