minix/kernel/arch/earm/omap_serial.h
Kees Jongenburger c40df92bf2 arm:add AM335X serial
Change-Id: I728622ddd4f59529d15e8ac2499c41fa815eee3b
2013-05-24 11:17:52 +02:00

27 lines
811 B
C

#ifndef _OMAP_SERIAL_H
#define _OMAP_SERIAL_H
/* UART register map */
#define OMAP3_DM37XX_DEBUG_UART_BASE 0x49020000 /* UART3 physical address */
#define OMAP3_AM335X_DEBUG_UART_BASE 0x44E09000 /* UART0? physical address */
/* UART registers */
#define OMAP3_THR 0x000 /* Transmit holding register */
#define OMAP3_LSR 0x014 /* Line status register */
#define OMAP3_SSR 0x044 /* Supplementary status register */
/* Line status register fields */
#define OMAP3_LSR_TEMT 0x40 /* Transmitter empty */
#define OMAP3_LSR_THRE 0x20 /* Transmit-hold-register empty */
/* Supplementary status register fields */
#define OMAP3_SSR_TX_FIFO_FULL (1 << 0) /* Transmit FIFO full */
#ifndef __ASSEMBLY__
void omap3_ser_init();
void omap3_ser_putc(char c);
#endif /* __ASSEMBLY__ */
#endif /* _OMAP_SERIAL_H */