RAC_CONFIG1_REG
[RAC_CONFIG1_REG] = 0x7c,
[RAC_CONFIG1_REG] = 0x0c,
pref_dist = cbc_readl(RAC_CONFIG1_REG);
cbc_writel(pref_dist, RAC_CONFIG1_REG);
[RAC_CONFIG1_REG] = -1,
[RAC_CONFIG1_REG] = 0x7c,