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authorMarek Vasut <marek.vasut+renesas@gmail.com>2018-04-04 23:32:44 +0200
committerMarek Vasut <marek.vasut+renesas@gmail.com>2018-04-11 23:11:54 +0200
commitc670607331dbdfdf74a52117b96426c50de9ecd0 (patch)
tree5d0a2146128dd7b35213d0f5a50f85dd1a6044c7
parentce19d4ca7dc43ff053d2a06f4bed9696cee97902 (diff)
ARM: rmobile: Do not init caches in TPL before DRAM
Skip the cache initialization, which can be done later on in U-Boot proper, since this interferes with early DRAM initialization in TPL. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
-rw-r--r--arch/arm/mach-rmobile/lowlevel_init_ca15.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-rmobile/lowlevel_init_ca15.S b/arch/arm/mach-rmobile/lowlevel_init_ca15.S
index a5dbbea9e1..ef2280bea4 100644
--- a/arch/arm/mach-rmobile/lowlevel_init_ca15.S
+++ b/arch/arm/mach-rmobile/lowlevel_init_ca15.S
@@ -11,6 +11,7 @@
#include <linux/linkage.h>
ENTRY(lowlevel_init)
+#ifndef CONFIG_TPL_BUILD
mrc p15, 0, r4, c0, c0, 5 /* mpidr */
orr r4, r4, r4, lsr #6
and r4, r4, #7 /* id 0-3 = ca15.0,1,2,3 */
@@ -83,6 +84,7 @@ _exit_init_l2_a15:
bl s_init
ldr lr, [sp]
+#endif
mov pc, lr
nop
ENDPROC(lowlevel_init)