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-rw-r--r--arch/powerpc/cpu/mpc8xxx/law.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c
index a401083..55ee125 100644
--- a/arch/powerpc/cpu/mpc8xxx/law.c
+++ b/arch/powerpc/cpu/mpc8xxx/law.c
@@ -233,6 +233,16 @@ void init_laws(void)
#error FSL_HW_NUM_LAWS can not be greater than 32 w/o code changes
#endif
+#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500) && \
+ !defined(CONFIG_E500MC)
+ /* ISBC (Boot ROM) creates a LAW 0 entry for non PBL platforms,
+ * which is not disabled before transferring the control to uboot.
+ * Disable the LAW 0 entry here.
+ */
+ disable_law(0);
+#endif
+
+
/*
* Any LAWs that were set up before we booted assume they are meant to
* be around and mark them used.