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20 lines
684 B
C
20 lines
684 B
C
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#ifndef EXOSPHERE_UART_H
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#define EXOSPHERE_UART_H
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#include <stdint.h>
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/* Exosphere driver for the Tegra X1 UARTs. */
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void set_uart_address(void *uart_base);
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void *get_uart_address(void); /* This is inlined in uart.c */
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#define UART_THR_DLAB_0_0 (*((volatile uint32_t *)(get_uart_address() + 0x0)))
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#define UART_IER_DLAB_0_0 (*((volatile uint32_t *)(get_uart_address() + 0x4)))
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#define UART_IIR_FCR_0 (*((volatile uint32_t *)(get_uart_address() + 0x8)))
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#define UART_LCR_0 (*((volatile uint32_t *)(get_uart_address() + 0xC)))
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#define UART_LSR_0 (*((volatile uint32_t *)(get_uart_address() + 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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#endif
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