sys_pll1_ref_sel                  1        1        0    24000000          0     0  50000
       sys_pll1                       1        1        0   800000000          0     0  50000
          sys_pll1_bypass             1        1        0   800000000          0     0  50000
             sys_pll1_out             1        1        0   800000000          0     0  50000
                sys_pll1_800m         1        1        0   800000000          0     0  50000
                   dram_apb           1        1        0   160000000          0     0  50000
                   dram_alt           0        0        0   800000000          0     0  50000
                      dram_alt_root       0        0        0   200000000          0     0  50000
                sys_pll1_400m         0        0        0   400000000          0     0  50000
                sys_pll1_266m         0        0        0   266666666          0     0  50000
                sys_pll1_200m         0        0        0   200000000          0     0  50000
                sys_pll1_160m         0        0        0   160000000          0     0  50000
                sys_pll1_133m         0        0        0   133333333          0     0  50000
                sys_pll1_100m         0        0        0   100000000          0     0  50000
                sys_pll1_80m          0        0        0    80000000          0     0  50000
                sys_pll1_40m          0        0        0    40000000          0     0  50000