Support 1G size on 8548

e500v2 and newer cores support 1G page sizes.

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c
index 16a697d..3777f49 100644 (file)
--- a/cpu/mpc85xx/spd_sdram.c
+++ b/cpu/mpc85xx/spd_sdram.c
@@ -995,17 +995,24 @@ setup_laws_and_tlbs(unsigned int memsize)
                break;
        case 256:
        case 512:
+               tlb_size = BOOKE_PAGESZ_256M;
+               break;
        case 1024:
        case 2048:
-               tlb_size = BOOKE_PAGESZ_256M;
+               if (PVR_VER(get_pvr()) > PVR_VER(PVR_85xx))
+                       tlb_size = BOOKE_PAGESZ_1G;
+               else
+                       tlb_size = BOOKE_PAGESZ_256M;
                break;
        default:
                puts("DDR: only 16M,32M,64M,128M,256M,512M,1G and 2G are supported.\n");
 
                /*
                 * The memory was not able to be mapped.
+                * Default to a small size.
                 */
-               return 0;
+               tlb_size = BOOKE_PAGESZ_64M;
+               memsize=64;
                break;
        }