src/soc/intel/common/block/include/intelblocks/uart.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef SOC_INTEL_COMMON_BLOCK_UART_H
   4 #define SOC_INTEL_COMMON_BLOCK_UART_H
   5
   6 #include <console/uart.h>
   7 #include <device/device.h>
   8 #include <stdint.h>
   9
  10 /*
  11  * While using this common UART block for any SOC following is expected from soc
  12  * 1. SOC will define proper UART_BASE which is base address for UART console.
  13  * 2. SOC will return correct device pointer based on console index
  14  * 3. SOC will allow common code to set UART into legacy mode if supported.
  15  */
  16
  17 bool uart_is_controller_initialized(void);
  18
  19 /*
  20  * Check if dev corresponds to UART debug port controller.
  21  */
  22 bool uart_is_debug_controller(struct device *dev);
  23
  24 /*
  25  * BootBlock pre initialization of UART console
  26  */
  27 void uart_bootblock_init(void);
  28
  29 /*
  30  * Get UART debug controller device structure
  31  *
  32  * Returns:
  33  * Pointer to device structure = If device has a UART debug controller.
  34  * NULL = otherwise
  35  */
  36 const struct device *uart_get_device(void);
  37
  38 #endif  /* SOC_INTEL_COMMON_BLOCK_UART_H */