Change DDR tlb start entry to CONFIG param for 85xx

So that we can locate the DDR tlb start entry to the value other than 8. By
default, it is still 8.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>

diff --git a/cpu/mpc85xx/tlb.c b/cpu/mpc85xx/tlb.c
index 5b5f7914f2ce0d4f788e5b4329717f443a7a765a..25fa9ee8f8e65cc93e8f0ad0e87a1c69aac3af49 100644 (file)
--- a/cpu/mpc85xx/tlb.c
+++ b/cpu/mpc85xx/tlb.c
@@ -125,6 +125,10 @@ void init_addr_map(void)
 }
 #endif
 
+#ifndef CONFIG_SYS_DDR_TLB_START
+#define CONFIG_SYS_DDR_TLB_START 8
+#endif
+
 unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
 {
        unsigned int tlb_size;
@@ -171,7 +175,7 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
         * Configure DDR TLB1 entries.
         * Starting at TLB1 8, use no more than 8 TLB1 entries.
         */
-       ram_tlb_index = 8;
+       ram_tlb_index = CONFIG_SYS_DDR_TLB_START;
        ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
        while (ram_tlb_address < (memsize_in_meg * 1024 * 1024)
              && ram_tlb_index < 16) {