From: Andy Fleming <afleming@freescale.com>
Date: Fri, 23 Feb 2007 23:12:25 +0000 (-0600)
Subject: Support 1G size on 8548
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=0d8c3a2096eaff8d7de89d45e9af4d4b0d4868fe;p=u-boot.git

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 16a697d40c..3777f49adc 100644
--- 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;
 	}