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Diffstat (limited to 'libgloss/arc/emsdp-uart-setup.c')
-rw-r--r-- | libgloss/arc/emsdp-uart-setup.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libgloss/arc/emsdp-uart-setup.c b/libgloss/arc/emsdp-uart-setup.c new file mode 100644 index 0000000..eacf980 --- /dev/null +++ b/libgloss/arc/emsdp-uart-setup.c @@ -0,0 +1,32 @@ +/* + * emsdp-setup.c -- provide _setup_low_level() to initialize UART. + * + * Copyright (c) 2024 Synopsys Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + * + */ + +#include "uart-8250.h" + +/* Setup UART parameters. */ +int +_setup_low_level (void) +{ + void * const uart_base = (void *) 0xf0004000; + const int uart_aux_mapped = 0; + const uint32_t uart_clock = 100000000; + const uint32_t uart_baud = 115200; + + _uart_8250_setup (uart_base, uart_aux_mapped, uart_clock, uart_baud); + + return 0; +} |