kernel-ark/include/asm-parisc/serial.h

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/*
* include/asm-parisc/serial.h
*/
/*
* This assumes you have a 7.272727 MHz clock for your UART.
* The documentation implies a 40Mhz clock, and elsewhere a 7Mhz clock
* Clarified: 7.2727MHz on LASI. Not yet clarified for DINO
*/
#define LASI_BASE_BAUD ( 7272727 / 16 )
#define BASE_BAUD LASI_BASE_BAUD
/*
* We don't use the ISA probing code, so these entries are just to reserve
* space. Some example (maximal) configurations:
* - 712 w/ additional Lasi & RJ16 ports: 4
* - J5k w/ PCI serial cards: 2 + 4 * card ~= 34
* A500 w/ PCI serial cards: 5 + 4 * card ~= 17
*/
#define SERIAL_PORT_DFNS