Microchip XEC has been using the standard NS16550 driver. Using the standard NS16550 driver requires extra HW programming for XEC UART in board level and did not support XEC GIRQ interrupt programming. We add an XEC specific driver and remove UART specific register programming from the board level and implement interrupt support. Also, by implementing a SoC specific driver we can add driver PM in the future. Signed-off-by: Scott Worley <scott.worley@microchip.com> |
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