TS-TPC-7990 FPGA Changelog

Check the FPGA rev with:

echo $(($(tshwctl --peek --addr 51)>>4))

Rev	Changes
1	Initial Release
2	Added TOUCH_RESET gpio
3	Changed FPGA_IRQ_2 into FPGA_RESET
4	tristate DC_SPI_CS# ttyMAX uarts use IRQ 0 Fixed WIFI clock Fixed default crossbar so all uarts work without regisiter write fixes Fixed DIO_1
5	Changed onboard pullup to fix production process.
6	Added support for REV B boards.
7	Added support for reprogramming Silabs in the field
8	Routes DC_SPI_MISO to FPGA_SPI_MISO when the chip select is not asserted. Used to detect silo board automatically.
9	Added XBEE_TXD to crossbar at address fpga register 62

You can reload the FPGA during startup for custom FPGAs. If /boot/ts7990-fpga.vme is present during startup you will see u-boot reload this file:

Bytes transferred = 56341 (dc15 hex)
VME file checked: starting downloading to FPGA
Diamond Deployment Tool 3.5
CREATION DATE: Wed Oct 07 11:38:24 2015


Downloading FPGA 53248/56341 completed
FPGA downloaded successfully