diff options
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 2 | ||||
| -rw-r--r-- | include/addr_map.h | 2 | ||||
| -rw-r--r-- | lib/addr_map.c | 19 |
3 files changed, 13 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 56ac9fe6c..6b52a94ff 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -295,7 +295,7 @@ static inline void * map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) { #ifdef CONFIG_ADDR_MAP - return (void *)(addrmap_phys_to_virt(paddr)); + return addrmap_phys_to_virt(paddr); #else return (void *)((unsigned long)paddr); #endif diff --git a/include/addr_map.h b/include/addr_map.h index d55f5f64e..dda4d6e71 100644 --- a/include/addr_map.h +++ b/include/addr_map.h @@ -22,7 +22,7 @@ #include <asm/types.h> extern phys_addr_t addrmap_virt_to_phys(void *vaddr); -extern unsigned long addrmap_phys_to_virt(phys_addr_t paddr); +extern void *addrmap_phys_to_virt(phys_addr_t paddr); extern void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr, phys_size_t size, int idx); diff --git a/lib/addr_map.c b/lib/addr_map.c index ff8532cf1..31384d139 100644 --- a/lib/addr_map.c +++ b/lib/addr_map.c @@ -47,26 +47,29 @@ phys_addr_t addrmap_virt_to_phys(void * vaddr) return (phys_addr_t)(~0); } -unsigned long addrmap_phys_to_virt(phys_addr_t paddr) +void *addrmap_phys_to_virt(phys_addr_t paddr) { int i; for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) { - u64 base, upper, addr; + phys_addr_t base, upper; if (address_map[i].size == 0) continue; - addr = (u64)paddr; - base = (u64)(address_map[i].paddr); - upper = (u64)(address_map[i].size) + base - 1; + base = address_map[i].paddr; + upper = address_map[i].size + base - 1; - if (addr >= base && addr <= upper) { - return paddr - address_map[i].paddr + address_map[i].vaddr; + if (paddr >= base && paddr <= upper) { + phys_addr_t offset; + + offset = address_map[i].paddr - address_map[i].vaddr; + + return (void *)(unsigned long)(paddr - offset); } } - return (unsigned long)(~0); + return (void *)(~0); } void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr, |