User's Manual l MBa57xx UM 0100 l © 2020, TQ-Systems GmbH
Page 48
4.3.6
Boot-Mode configuration
With the MBa57xx all boot sources available for the TQMa57xx can be used:
•
eMMC
•
QSPI Nor Flash
•
SD card
Information about the boot configurations of the AM57xx can be found in the TQMa57xx User’s Manual.
A High level at BOOT_CFG_EN# decouples DIP switches S[1:2] from the GPMC bus.
A Low level at BOOT_CFG_EN# connects DIP switches S[1:2] to the GPMC bus. (Default)
Illustration 26:
Block diagram Boot Mode DIP switches S1, S2
The following tables describe the DIP switch settings for the different boot sources.
Further settings, such as transfer modes and CPU clock, can be found in the User’s Manual of the TQMa57xx (12).
Switch position 1 means ON, switch position 0 means OFF.
Table 54:
Boot-Mode configuration, DIP switches S1, S2
DIP
Switch
GPMC
SYSBOOT
eMMC
SD card
QSPI NOR
TQMa57xx
S1
1
GPMC_AD[15]
SYSBOOT_15
0
0
0
TQMa571x
1
1
1
TQMa572x / TQMa574x
2
GPMC_AD[14]
SYSBOOT_14
0
0
0
–
3
GPMC_AD[13]
SYSBOOT_13
0
0
0
–
4
GPMC_AD[12]
SYSBOOT_12
0
0
0
–
5
GPMC_AD[11]
SYSBOOT_11
0
0
0
–
6
GPMC_AD[10]
SYSBOOT_10
0
0
0
–
7
GPMC_AD[9]
SYSBOOT_9
0
0
0
–
8
GPMC_AD[8]
SYSBOOT_8
1
1
1
–
S2
1
GPMC_AD[7]
SYSBOOT_7
0
0
0
–
2
GPMC_AD[6]
SYSBOOT_6
0
0
0
–
3
GPMC_AD[5]
SYSBOOT_5
1
1
1
–
4
GPMC_AD[4]
SYSBOOT_4
0
1
1
–
5
GPMC_AD[3]
SYSBOOT_3
0
0
0
–
6
GPMC_AD[2]
SYSBOOT_2
0
0
1
–
7
GPMC_AD[1]
SYSBOOT_1
0
0
1
–
8
GPMC_AD[0]
SYSBOOT_0
0
0
0
–