powerpc/mpc85xx: Add workaround for DDR erratum A004934

[platform/kernel/u-boot.git] / arch / powerpc / cpu / mpc85xx / ddr-gen3.c

diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
index 8bed5fe..21840bf 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
+++ b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c
@@ -140,6 +140,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
                        out_be32(&ddr->debug[i], regs->debug[i]);
                }
        }
+#ifdef CONFIG_SYS_FSL_ERRATUM_A_004934
+       out_be32(&ddr->debug[28], 0x00003000);
+#endif
 
 #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003474
        out_be32(&ddr->debug[12], 0x00000015);