powerpc/fsl_booke: introduce map_mem_in_cams_addr

Introduce this function so we can set both the physical and virtual
address for the map in cams. This will be used by the relocation code.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 1d54f6d35e71..ca956c83e3a2 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -171,11 +171,10 @@ unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
         return 1UL << camsize;
 }
 
-unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
+static unsigned long map_mem_in_cams_addr(phys_addr_t phys, unsigned long virt,
+                                        unsigned long ram, int max_cam_idx)
 {
         int i;
-        unsigned long virt = PAGE_OFFSET;
-        phys_addr_t phys = memstart_addr;
         unsigned long amount_mapped = 0;
 
         /* Calculate CAM values */
@@ -195,6 +194,14 @@ unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
         return amount_mapped;
 }
 
+unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
+{
+        unsigned long virt = PAGE_OFFSET;
+        phys_addr_t phys = memstart_addr;
+
+        return map_mem_in_cams_addr(phys, virt, ram, max_cam_idx);
+}
+
 #ifdef CONFIG_PPC32
 
 #if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)