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Help:
=> help sunxi_nand_test

 sunxi_nand_test - sunxi_nand_test sub systerm

Usage:
sunxi_nand_test
<obtain nand chip inof>: [parm1:nand_info]
  For example:
want to obtain nand chip info,
usage:sunxi_nand_test nand_info
<dump continuous phy pages>: [parm1:dump_phy_pages] [parm2:chip] [parm3:block] 
[parm4:start_page] [parm5:end_page] [parm6:pmem] [parm7:printf_flag]
  For example:
want to dump chip 0 block 1 's page 2 to page 5 data to 0x45000000 and don't display in terminal,
usage:sunxi_nand_test dump_phy_pages 0 1 2 5 0x45000000 no
<dump continuous blocks>: [parm1:dump_phy_blocks] [parm2:chip num] [parm3:start block num]
 [parm4:end block num] [parm5:pmem] [parm6:printf_flag]
  For example:
want to dump chip 0 block 1 to block 5 data to 0x45000000 and don't display in terminal 
usage:sunxi_nand_test dump_phy_blocks 0 1 5 0x45000000 no
<dump logic data>: [parm1:dump_logic_data] [parm2:start_sector] [parm3:end_sector] 
[parm4:pmem] [parm5:printf_flag]
  For example:
want to dump sector 2 to 4 data to 0x45000000 and don't display in terminal,
usage:sunxi_nand_test dump_logic_data 2 4 0x45000000 no
<dump history data>: [parm1:dump_history_data] [parm2:start_sector] [parm3:end_sector]
  For example:want to dump sector 200' history data,
usage:sunxi_nand_test dump_history_data 200 300
<dump read retry table>: [parm1:dump_read_retry_table]
  For example:
want to dump read retry table,
usage:sunxi_nand_test dump_read_retry_table
<dump page table>: [parm1:dump_page_table]
  For example:
want to dump page table,
usage:sunxi_nand_test dump_page_table
<dump bad table>: [parm1:dump_bad_table]
  For example:
want to dump bad block table,usage:sunxi_nand_test dump_bad_table
<dump boot0>: [parm1:dump_boot0]
  For example:
want to dump boot0 to 0x45000000 and don't display in terminal,
usage:sunxi_nand_test dump_boot0 0x45000000 no
<read write performance>: [parm1:performance]
  For example:
want to test performance,
usage:sunxi_nand_test performance
<check read-write function>: [parm1:check read-write]
  For example:want to check read-write function is normal,
usage:sunxi_nand_test read-write 
 =>

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Дополнение

Для ТВ-бокса:

=> sunxi_nand_test nand_info
------------------------- nand info--------
------------------------- physic layer ----
-  id                            : 0 0 0 0 0 0 0 0   -
- total chips                   :    0
- total dies                    :    0
- total blocks                  :    0
- pages_per_block               :    0
- sectors_per_page              :    0
- support_multi_program         : no
------------------------- logical layer ----
- super_chip_cnt                :    0
- support two plane             : no
- support v interleave          : no
- support dual channel          : no
- blk_cnt_per_super_chip        :    0
- sector_cnt_per_super_page     :    0
- page_cnt_per_super_blk        :    0
- page_offset_for_next_super_blk:    0
- spare_bytes                   :    0
- multi plane block address offset:    0

Команда проверки nand-памяти приводит к перезагрузке !

 => sunxi_nand_test performance
performance start ...nand_secure_storage_first_build gs.blockA:0
nand_secure_storage_first_build gs.blockB:0
nand_secure_storage_first_build gs.blockA_init:0
nand_secure_storage_first_build gs.blockB_init:0
[3580.790]NAND_Malloc size=0!
[3580.792]malloc main buffer fail in nand secure storage write init
data abort
pc : [<9fed58fe>]          lr : [<9ff01691>]
reloc pc : [<4a0108fe>]    lr : [<4a03c691>]
sp : 9be7de50  ip : 9be7dea8     fp : 00000000
r10: 00000000  r9 : 9bea4e60     r8 : 9be7de68
r7 : 00000000  r6 : 00000000     r5 : 00000000  r4 : ffffffff
r3 : 00000800  r2 : 00000000     r1 : 00000000  r0 : ffffffff
Flags: NzCv  IRQs on  FIQs off  Mode SVC_32
Resetting CPU ...

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