From: Wolfgang Denk <wd@denx.de>
Date: Sun, 26 Jul 2009 21:28:02 +0000 (+0200)
Subject: Revert "ppc: Unlock cache-as-ram in a consistent manner"
X-Git-Tag: v2009.08-rc1~14
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9c67352f727a5b5eff531c852f9cff59fcb17f7f;p=oweals%2Fu-boot.git

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>
---

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 */
 		/*