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