Merge branch 'rmobile' of git://git.denx.de/u-boot-sh

[u-boot] / arch / arm / cpu / armv7 / rmobile / lowlevel_init_ca15.S

diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
index d47546a11d7ad61def4ec26e2ca27171698c71ad..a5dbbea9e1527d79f26348d939735408bd65e4ef 100644 (file)
--- a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
+++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
@@ -40,7 +40,7 @@ do_lowlevel_init:
        and     r1, r1, #0x7F00
        lsrs    r1, r1, #8
        cmp     r1, #0x4C               /* 0x4C is ID of r8a7794 */
-       beq     _exit_init_l2_a15
+       beq     _enable_actlr_smp
 
        /* surpress wfe if ca15 */
        tst r4, #4
@@ -64,6 +64,16 @@ do_lowlevel_init:
        orrne r0, r0, #0x20             /* L2CTLR[5] */
 #endif
        mcrne p15, 1, r0, c9, c0, 2
+
+       b       _exit_init_l2_a15
+
+_enable_actlr_smp: /* R8A7794 only (CA7) */
+#ifndef CONFIG_DCACHE_OFF
+       mrc    p15, 0, r0, c1, c0, 1
+       orr    r0, r0, #0x40
+       mcr    p15, 0, r0, c1, c0, 1
+#endif
+
 _exit_init_l2_a15:
        ldr     r3, =(CONFIG_SYS_INIT_SP_ADDR)
        sub     sp, r3, #4