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Alexander Potashev authored
The `board/freescale/twr-k70f120m/board.c` file was copied from `board/freescale/twr-k60n512/board.c` without code changes, because the Ethernet pin configuration is compatible on these two boards. `cpu/arm_cortexm3/kinetis/clock.c` was updated to support the MCG (Multipurpose Clock Generator) internal structure on K70 @ 120 MHz which is different from the MCG on K60 @ 100 MHz. The U-Boot configuration file (include/configs/twr-k70f120m.h) was copied from the corresponding file for the TWR-K60N512 board and customized for the TWR-K70F120M board: 1. UART pins are different 2. There is external RAM on the TWR-K70F120M board 3. The in-MCU flash is 1 MB in size 4. The clock configuration was updated (120 MHz core clock) 5. The K70 MCU has 6 GPIO ports (instead of 5 ports on K60)
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