Freescale Semiconductor QorIQ T1023, User Manual

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2.25.2 Switches configuration options
The below table lists all configuration options of the switches (SW2-4) that are available
on the board.
Table 2-15. Switches configuration options
Switch Signal name Reset configuration
name
Function Default
SW1[1:8]
SW2[1]
IFC_AD[8:15]
IFC_CLE
cfg_rcw_src[0:8] See QorIQ T1024
Reference Manual Rev. A,
Table 4-21 RCW source
encodings
000101111
NOR Boot
SW2[2] IFC_TE cfg_ifc_te IFC extenal transceiver
enable polarity select. set
bit 0 to drive logic 1 for TE
assertion; set bit 1 to drive
logic 0 for TE assertion 1
SW2[3] IFC_A18 cfg_pll_config_sel_b This pin must be pull high
during power on reset 1
SW2[4] IFC_A19 cfg_por_ainit Unused 1
SW2[5] IFC_A16 cfg_svr0 1
SW2[6] IFC_A17 cfg_svr1 1
SW2[7] unused
SW2[8] IFC_AVD cfg_rsp_dis Unused, default set bit to 1 1
SW3[1] IFC_OE_N cfg_eng_use1 Set system clock input
type. Set 0 for differential
clock; set 1 for single clcok 1
SW3[2] IFC_WP_N cfg_eng_use2 Unused 1
SW3[3] GPIO1_14_eMMC_SEL
_n SD/eMMC selection 0 eMMC selected
SW3[4] NAND_BOOT_SEL Switch CS/RB between
NOR and NAND, if boot
source is changed.
NOR/NAND boot selection
0 NOR boot CS0/RB0
to NOR
SW3[5] IFC_A25_INVERT Set 1 to invert the IFC
address A25 0
SW3[6] IFC_A24_INVERT Set 1 to invert the IFC
address A24 0
SW3[7] IFC_A23_INVERT Set 1 to invert the IFC
address A23 0
SW3[8] TEST_SEL_N Set 0 enable single core;
set 1 enable dual core 1
NOTE
Switch ON: 0; Switch OFF: 1
Switch settings
QorIQ T1023 Reference Design Board User Guide, Rev. 0, 08/2015
32 Freescale Semiconductor, Inc.