__EDRAM_BISTR_START
writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG));
writel(__EDRAM_BISTR_START, rb + CT2_MBIST_CTL_REG);
writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG));
writel(__EDRAM_BISTR_START, (rb + CT2_MBIST_CTL_REG));