6/ Installation; Boot Mode; Table 8: Boot Options On The Carrier Board - Kontron SMARC-sAMX8 User Manual

6/ Installation

6.1. Boot Mode

The following table shows the possible boot sources on the carrier board defined in SMARC 2.0 spec:

Table 8: Boot Options on the carrier board

Carrier Connection
BOOT_SEL2#
0 GND
1 GND
2 GND
3 GND
4 Float
5 Float
6 Float
7 Float
U-Boot only supports booting from QSPI NOR flash because "boot from fuses" is defined per default.
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BOOT_SEL1 BOOT_SEL0#
#
GND GND
GND Float
Float GND
Float Float
GND GND
GND Float
Float GND
Float Float
Kontron SMARC-sAMX8 - Rev. 1.2
Boot Source Supported on
sAMX8
Carrier SATA No
Carrier SD From U-Boot
Card
Carrier eSPI No
(CS0#)
Carrier SPI No
(CS0#)
Module device No
(NAND, NOR)
Remote boot From U-Boot
(GBE, serial)
Module eMMC From U-Boot
Module SPI From U-Boot
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