Atmosphere/exosphere/uart.h
2018-02-22 17:50:37 -08:00

24 lines
756 B
C

#ifndef EXOSPHERE_UART_H
#define EXOSPHERE_UART_H
#include <stdint.h>
#include "mmu.h"
/* Exosphere driver for the Tegra X1 UARTs. */
/* TODO: Should we bother with support UARTB-D? */
#define UARTA_BASE (mmio_get_device_address(MMIO_DEVID_UART_A))
#define UART_THR_DLAB_0_0 (*((volatile uint32_t *)(UARTA_BASE + 0x0)))
#define UART_IER_DLAB_0_0 (*((volatile uint32_t *)(UARTA_BASE + 0x4)))
#define UART_IIR_FCR_0 (*((volatile uint32_t *)(UARTA_BASE+ 0x8)))
#define UART_LCR_0 (*((volatile uint32_t *)(UARTA_BASE + 0xC)))
#define UART_LSR_0 (*((volatile uint32_t *)(UARTA_BASE + 0x14)))
void uart_initialize(uint16_t divider);
void uart_transmit_char(char ch);
void uart_transmit_str(const char *str);
void uart_transmit_hex(uint32_t value);
#endif