From 9c67352f727a5b5eff531c852f9cff59fcb17f7f Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@denx.de>
Date: Sun, 26 Jul 2009 23:28:02 +0200
Subject: [PATCH] Revert "ppc: Unlock cache-as-ram in a consistent manner"
This reverts commit 982adfc610669482a32127282fe489857a92cfe3.
This patch causes problems on MPC83xx boards - flash recognition stops
working.
Signed-off-by: Wolfgang Denk <wd@denx.de>
---
lib_ppc/board.c | 6 +++---
lib_ppc/bootm.c | 9 +++++++++
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 8def520556..6dd4d56ff3 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -68,7 +68,7 @@
#if defined(CONFIG_LOGBUFFER)
#include <logbuff.h>
#endif
-#if defined(CONFIG_SYS_INIT_RAM_LOCK)
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
#include <asm/cache.h>
#endif
#ifdef CONFIG_PS2KBD
@@ -754,8 +754,8 @@ void board_init_r (gd_t *id, ulong dest_addr)
icache_enable (); /* it's time to enable the instruction cache */
#endif
-#if defined(CONFIG_SYS_INIT_RAM_LOCK)
- unlock_ram_in_cache(); /* it's time to unlock D-cache */
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
+ unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
#endif
#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
index e7d2c98353..0d702bf251 100644
--- a/lib_ppc/bootm.c
+++ b/lib_ppc/bootm.c
@@ -38,6 +38,11 @@
#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
+
+#endif
+
+#ifdef CONFIG_SYS_INIT_RAM_LOCK
+#include <asm/cache.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -66,6 +71,10 @@ static void boot_jump_linux(bootm_headers_t *images)
show_boot_progress (15);
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500)
+ unlock_ram_in_cache();
+#endif
+
#if defined(CONFIG_OF_LIBFDT)
if (of_flat_tree) { /* device tree; boot new style */
/*
--
2.39.5