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|
element14 WaRP7
===============
This CPU card is based on an NXP i.MX7S SoC.
Supported hardware
==================
- NXP PMIC PFUZE3000
- Kingston 08EMCP04-EL3AV100 eMCP (eMMC and LPDDR3 memory in one package)
- 8 GiB eMMC Triple-Level cell NAND flash, eMMC standard 5.0 (HS400)
- 512 MiB LPDDR3 SDRAM starting at address 0x80000000
Bootstrapping barebox
=====================
The device boots in internal boot mode from eMMC and is shipped with a
vendor modified u-boot imximage.
Barebox can be used as a drop-in replacement for the shipped bootloader.
The WaRP7 IO Board has a double DIP switch where switch number two defines the
boot source of the i.MX7 SoC:
+-----+
| |
| | O | <--- on = high level
| | | |
| O | | <--- off = low level
| |
| 1 2 |
+-----+
Bootsource is the internal eMMC:
+-----+
| |
| O | |
| | | |
| | O | <---- eMMC
| |
| 1 2 |
+-----+
Bootsource is the USB:
+-----+
| |
| O O | <---- USB
| | | |
| | | |
| |
| 1 2 |
+-----+
|
