sparc32: srmmu_probe now knows about leon too

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>

diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 995c4e0..ba46083 100644 (file)
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -197,7 +197,7 @@ static inline int sparc_leon3_cpuid(void)
 #ifndef __ASSEMBLY__
 struct vm_area_struct;
 
-extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr);
+extern unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr);
 extern void leon_flush_icache_all(void);
 extern void leon_flush_dcache_all(void);
 extern void leon_flush_cache_all(void);

diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
index 72f7121..79da178 100644 (file)
--- a/arch/sparc/include/asm/pgtsrmmu.h
+++ b/arch/sparc/include/asm/pgtsrmmu.h
@@ -166,23 +166,6 @@ static inline void srmmu_flush_whole_tlb(void)
 
 }
 
-/* These flush types are not available on all chips... */
-#ifndef CONFIG_SPARC_LEON
-static inline unsigned long srmmu_hwprobe(unsigned long vaddr)
-{
-       unsigned long retval;
-
-       vaddr &= PAGE_MASK;
-       __asm__ __volatile__("lda [%1] %2, %0\n\t" :
-                            "=r" (retval) :
-                            "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE));
-
-       return retval;
-}
-#else
-#define srmmu_hwprobe(addr) srmmu_swprobe(addr, 0)
-#endif
-
 static inline int
 srmmu_get_pte (unsigned long addr)
 {

diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c
index 4c67ae6..5bed085 100644 (file)
--- a/arch/sparc/mm/leon_mm.c
+++ b/arch/sparc/mm/leon_mm.c
@@ -32,7 +32,7 @@ static inline unsigned long leon_get_ctable_ptr(void)
 }
 
 
-unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr)
+unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr)
 {
 
        unsigned int ctxtbl;

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 256db6b..62e3f57 100644 (file)
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -646,6 +646,23 @@ static void __init srmmu_allocate_ptable_skeleton(unsigned long start,
        }
 }
 
+/* These flush types are not available on all chips... */
+static inline unsigned long srmmu_probe(unsigned long vaddr)
+{
+       unsigned long retval;
+
+       if (sparc_cpu_model != sparc_leon) {
+
+               vaddr &= PAGE_MASK;
+               __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                                    "=r" (retval) :
+                                    "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE));
+       } else {
+               retval = leon_swprobe(vaddr, 0);
+       }
+       return retval;
+}
+
 /*
  * This is much cleaner than poking around physical address space
  * looking at the prom's page table directly which is what most
@@ -665,7 +682,7 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start,
                        break; /* probably wrap around */
                if(start == 0xfef00000)
                        start = KADB_DEBUGGER_BEGVM;
-               if(!(prompte = srmmu_hwprobe(start))) {
+               if(!(prompte = srmmu_probe(start))) {
                        start += PAGE_SIZE;
                        continue;
                }
@@ -674,12 +691,12 @@ static void __init srmmu_inherit_prom_mappings(unsigned long start,
                what = 0;
     
                if(!(start & ~(SRMMU_REAL_PMD_MASK))) {
-                       if(srmmu_hwprobe((start-PAGE_SIZE) + SRMMU_REAL_PMD_SIZE) == prompte)
+                       if(srmmu_probe((start-PAGE_SIZE) + SRMMU_REAL_PMD_SIZE) == prompte)
                                what = 1;
                }
     
                if(!(start & ~(SRMMU_PGDIR_MASK))) {
-                       if(srmmu_hwprobe((start-PAGE_SIZE) + SRMMU_PGDIR_SIZE) ==
+                       if(srmmu_probe((start-PAGE_SIZE) + SRMMU_PGDIR_SIZE) ==
                           prompte)
                                what = 2;
                }
@@ -1156,7 +1173,7 @@ static void turbosparc_flush_page_to_ram(unsigned long page)
 #ifdef TURBOSPARC_WRITEBACK
        volatile unsigned long clear;
 
-       if (srmmu_hwprobe(page))
+       if (srmmu_probe(page))
                turbosparc_flush_page_cache(page);
        clear = srmmu_get_fstatus();
 #endif