include/drivers/meson/meson_console.h

   1 /*
   2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #ifndef MESON_CONSOLE_H
   8 #define MESON_CONSOLE_H
   9
  10 #include <drivers/console.h>
  11
  12 #define CONSOLE_T_MESON_BASE    CONSOLE_T_DRVDATA
  13
  14 #ifndef __ASSEMBLY__
  15
  16 #include <stdint.h>
  17
  18 typedef struct {
  19         console_t console;
  20         uintptr_t base;
  21 } console_meson_t;
  22
  23 /*
  24  * Initialize a new meson console instance and register it with the console
  25  * framework. The |console| pointer must point to storage that will be valid
  26  * for the lifetime of the console, such as a global or static local variable.
  27  * Its contents will be reinitialized from scratch.
  28  *
  29  * NOTE: The clock is actually fixed to 24 MHz. The argument is only there in
  30  * order to make this function future-proof.
  31  */
  32 int console_meson_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
  33                            console_meson_t *console);
  34
  35 #endif /*__ASSEMBLY__*/
  36
  37 #endif /* MESON_CONSOLE_H */