How to reset SATA Devices(with AHCI architecture) by UEFI shell mm command?

How to get Bar5 address first?

fs0:\test〉 pci

   Seg  Bus  Dev  Func

   ---  ---  ---  ----

    00   04   00    00 ==〉 Mass Storage Controller - UNDEFINED

             Vendor 1B4B Device 9230 Prog Interface 1

fs0:\test〉 pci 4 0 0

pci 4 0 0

  PCI Segment 00 Bus 04 Device 00 Func 00 [EFI 0004000000]

  00000000: 4B 1B 30 92 07 00 10 00-11 01 06 01 08 00 00 00  *K.0.............*

  00000010: 01 EC 00 00 81 E8 00 00-01 E8 00 00 81 E4 00 00  *................*

  00000020: 01 E4 00 00 00 F8 BF FE-00 00 00 00 4B 1B 30 92  *............K.0.*

  00000030: 00 00 BE FE 40 00 00 00-00 00 00 00 0B 01 00 00  *....@...........*

  00000040: 01 50 03 40 00 00 00 00-00 00 00 00 00 00 00 00  *.P.@............*

  00000050: 05 70 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *.p..............*

  00000060: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

  00000070: 10 E0 12 00 02 87 28 00-10 20 09 00 22 3C 03 00  *......(.. .."<..*

  00000080: 40 00 21 10 00 00 00 00-00 00 00 00 00 00 00 00  *@.!.............*

  00000090: 00 00 00 00 10 00 00 00-00 00 00 00 00 00 00 00  *................*

  000000A0: 02 00 01 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

  000000B0: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

  000000C0: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

  000000D0: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

  000000E0: 12 00 00 00 48 00 00 00-00 00 00 00 00 00 00 00  *....H...........*

  000000F0: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00  *................*

Bar5=〉0xFEBFF800

[Reset SATA HDDs by shell mm commands]

edit file as below:
#####################################################################

mm febff800 4 ;MMIO -n

mm febff804 4 ;MMIO :0x80000000 -n # ==〉 Enable AHCI

mm febff804 4 ;MMIO -n

#pause

mm febff92c 4 ;MMIO :0x21 -n # ==〉 Reset Port0

stall 100000

mm febff92c 4 ;MMIO :0x20 -n

mm febff92c 4 ;MMIO -n

#pause

mm febff9ac 4 ;MMIO :0x21 -n # ==〉 Reset Port1

stall 100000

mm febff9ac 4 ;MMIO :0x20 -n

mm febff9ac 4 ;MMIO -n

#pause

mm febffa2c 4 ;MMIO :0x21 -n # ==〉 Reset Port2

stall 100000

mm febffa2c 4 ;MMIO :0x20 -n

mm febffa2c 4 ;MMIO -n

#pause

mm febffaac 4 ;MMIO :0x21 -n # ==〉 Reset Port3

stall 100000

mm febffaac 4 ;MMIO :0x20 -n

mm febffaac 4 ;MMIO -n

#pause

#####################################################################

fs0:\〉 test.nsh