debug-uart-sld8.c 453 B

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  1. /*
  2. * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. */
  6. #include <config.h>
  7. #include <linux/kernel.h>
  8. #include "../sg-regs.h"
  9. #include "debug-uart.h"
  10. #define UNIPHIER_SLD8_UART_CLK 80000000
  11. unsigned int uniphier_sld8_debug_uart_init(void)
  12. {
  13. sg_set_iectrl(0);
  14. sg_set_pinsel(70, 3, 8, 4); /* HSDOUT6 -> TXD0 */
  15. return DIV_ROUND_CLOSEST(UNIPHIER_SLD8_UART_CLK, 16 * CONFIG_BAUDRATE);
  16. }