From: Wolfgang Denk <wd@pollux.denx.de>
Date: Tue, 4 Oct 2005 22:00:54 +0000 (+0200)
Subject: E500 update: repoint IVPR to RAM when code is relocated
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7d314992a82cea41bb5de596421100ddce9d9c17;p=project%2Fbcm63xx%2Fu-boot.git

E500 update: repoint IVPR to RAM when code is relocated
Patch by Kylo Ginsberg, 13 Apr 2005
---

diff --git a/CHANGELOG b/CHANGELOG
index 1aec75d953..2b446015de 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
 Changes for U-Boot 1.1.4:
 ======================================================================
 
+* E500 update: repoint IVPR to RAM when code is relocated
+  Patch by Kylo Ginsberg, 13 Apr 2005
+
 * Fix loop end test in lib_generic/string.c:strswab()
   Patch by Andrew Dyer, October 10, 2005
   Signed-off-by: Andrew Dyer <amdyer@gmail.com>
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 5f75bc1aff..2f2bd3ad52 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -995,6 +995,11 @@ relocate_code:
 7:	sync			/* Wait for all icbi to complete on bus */
 	isync
 
+	/*
+	 * Re-point the IVPR at RAM
+	 */
+	mtspr	IVPR,r10
+	
 /*
  * We are done. Do not return, instead branch to second part of board
  * initialization, now running from RAM.
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index d1e294f23b..b1c6ab0e4e 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -429,6 +429,10 @@ void board_init_f (ulong bootflag)
 	 */
 	addr -= len;
 	addr &= ~(4096 - 1);
+#ifdef CONFIG_E500
+	/* round down to next 64 kB limit so that IVPR stays aligned */
+	addr &= ~(65536 - 1);
+#endif
 
 	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);