35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
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* emsk-uart-setup.c -- provide _setup_low_level() to initialize UART.
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*
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* Copyright (c) 2024 Synopsys Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*
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*/
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#include "arc-specific.h"
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#include "uart-8250.h"
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/* Setup UART parameters. */
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int
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_setup_low_level (void)
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{
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const uint32_t aux_dmp_per = 0x20a;
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void * const uart_base = (char *)read_aux_reg(aux_dmp_per) + 0x00009000;
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const int uart_aux_mapped = 0;
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const uint32_t uart_clock = 50000000;
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const uint32_t uart_baud = 115200;
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_uart_8250_setup (uart_base, uart_aux_mapped, uart_clock, uart_baud);
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return 0;
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}
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