#ifndef EXOSPHERE_UART_H #define EXOSPHERE_UART_H #include #include "memory_map.h" /* Exosphere driver for the Tegra X1 UARTs. */ /* TODO: Should we bother with support UARTB-D? */ static inline uintptr_t get_uarta_base(void) { return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_UART_A); } #define UARTA_BASE (get_uarta_base()) #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