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Make A2560U's 16750 UART work

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This commit is contained in:
Vincent Barrilliot 2022-06-06 20:51:40 +02:00
parent f0f9a4b62e
commit 81bf51f78d
1 changed files with 7 additions and 0 deletions
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7
src/dev/uart.c
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@ -85,8 +85,15 @@ void uart_init(short uart) {
/* Set: no parity, 1 stop bit, 8 data bits */ /* Set: no parity, 1 stop bit, 8 data bits */
uart_setlcr(uart, LCR_PARITY_NONE | LCR_STOPBIT_1 | LCR_DATABITS_8); uart_setlcr(uart, LCR_PARITY_NONE | LCR_STOPBIT_1 | LCR_DATABITS_8);
#if MODEL == MODEL_FOENIX_A2560U || MODEL == MODEL_FOENIX_A2560U_PLUS
/* The A2560U has a 16750 rather than 16550
uart_base[UART_FCR] = 39;
uart_base[UART_IER] = 0;
uart_base[UART_MCR] = 3;
#else
/* Enable FIFO, set for 56 byte trigger level */ /* Enable FIFO, set for 56 byte trigger level */
uart_base[UART_FCR] = 0xC1; uart_base[UART_FCR] = 0xC1;
#endif
} }
} }