| Pankaj Gupta | 6b36c1b | 2020-12-09 14:02:38 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef PLAT_CONSOLE_H |
| 9 | #define PLAT_CONSOLE_H |
| 10 | |
| 11 | #include <stdint.h> |
| 12 | #include <drivers/console.h> |
| 13 | |
| 14 | #if (NXP_CONSOLE == NS16550) |
| 15 | /* |
| 16 | * NXP specific UART - 16550 configuration |
| 17 | * |
| 18 | * Initialize a NXP 16550 console instance and register it with the console |
| 19 | * framework. The |console| pointer must point to storage that will be valid |
| 20 | * for the lifetime of the console, such as a global or static local variable. |
| 21 | * Its contents will be reinitialized from scratch. |
| 22 | * When |clock| has a value of 0, the UART will *not* be initialised. This |
| 23 | * means the UART should already be enabled and the baudrate and clock setup |
| 24 | * should have been done already, either by platform specific code or by |
| 25 | * previous firmware stages. The |baud| parameter will be ignored in this |
| 26 | * case as well. |
| 27 | */ |
| 28 | int nxp_console_16550_register(uintptr_t baseaddr, uint32_t clock, |
| 29 | uint32_t baud, console_t *console); |
| 30 | #endif |
| 31 | /* |
| 32 | * Function to initialize platform's console |
| 33 | * and register with console framework |
| 34 | */ |
| 35 | void plat_console_init(uintptr_t nxp_console_addr, uint32_t uart_clk_div, |
| 36 | uint32_t baud); |
| 37 | |
| 38 | #endif |