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#ifndef _BITS_NS16550_H
#define _BITS_NS16550_H
/** @file
*
* 16550-compatible UART
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <ipxe/io.h>
/**
* Write to UART register
*
* @v ns16550 16550 UART
* @v address Register address
* @v data Data
*/
static inline __attribute__ (( always_inline )) void
ns16550_write ( struct ns16550_uart *ns16550, unsigned int address,
uint8_t data ) {
iowrite8 ( data, ( ns16550->base + ( address << ns16550->shift ) ) );
}
/**
* Read from UART register
*
* @v ns16550 16550 UART
* @v address Register address
* @ret data Data
*/
static inline __attribute__ (( always_inline )) uint8_t
ns16550_read ( struct ns16550_uart *ns16550, unsigned int address ) {
return ioread8 ( ns16550->base + ( address << ns16550->shift ) );
}
#endif /* _BITS_NS16550_H */
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