MTK_PPE_GLO_CFG
ppe_w32(ppe, MTK_PPE_GLO_CFG, val);
ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN);
ret = readl_poll_timeout(ppe->base + MTK_PPE_GLO_CFG, val,