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

diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c
index 6c0da83..758e6d7 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/mp.c
+++ b/arch/powerpc/cpu/mpc85xx/mp.c
@@ -276,8 +276,13 @@ static void plat_mp_up(unsigned long bootpg)
 
        /* enable time base at the platform */
        out_be32(&rcpm->ctbenrl, 0);
+
+       /* readback to sync write */
+       in_be32(&rcpm->ctbenrl);
+
        mtspr(SPRN_TBWU, 0);
        mtspr(SPRN_TBWL, 0);
+
        out_be32(&rcpm->ctbenrl, (1 << nr_cpus) - 1);
 
 #ifdef CONFIG_MPC8xxx_DISABLE_BPTR
@@ -347,6 +352,10 @@ static void plat_mp_up(unsigned long bootpg)
        else
                devdisr |= MPC85xx_DEVDISR_TB0;
        out_be32(&gur->devdisr, devdisr);
+
+       /* readback to sync write */
+       in_be32(&gur->devdisr);
+
        mtspr(SPRN_TBWU, 0);
        mtspr(SPRN_TBWL, 0);