JH-7110 DevKit provides 4 methods to
determine the boot mode before it is powered up. The following are the available boot
modes and details. You can select the boot mode by using dip switch.
eMMC boot
SD Card boot
QSPI Flash boot
UART boot
The following tables show all the supported boot modes.
Table 1. Boot Mode
Boot Mode
Value
Boot Selection
RGPIO_1
RGPIO_0
eMMC boot
0×0
1 (H)
0 (L)
SD Card boot
0×1
0 (L)
1 (H)
QSPI Flash boot
0×2
0 (L)
0 (L)
UART boot
0×3
1 (H)
1 (H)
Note: StarFive does not recommend that you boot from SD
Card directly. It is recommend that JH-7110 DevKit use the following
boot mode:
QSPI Flash + SD Card
QSPI Flash + eMMC
The following figure shows the dip switch locations for all the supported boot modes (⑥)
in Top View.Figure 1. Boot Mode Dip Switch LocationFigure 2. Boot Mode Settings