blob: 490be108e532de4fb4a472162c23b47e08e86409 [file] [log] [blame]
/*
* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CDNS_UART_H
#define CDNS_UART_H
#include <console.h>
/* This is very minimalistic and will only work in QEMU. */
/* CADENCE Registers */
#define R_UART_CR 0
#define R_UART_CR_RXRST (1 << 0) /* RX logic reset */
#define R_UART_CR_TXRST (1 << 1) /* TX logic reset */
#define R_UART_CR_RX_EN (1 << 2) /* RX enabled */
#define R_UART_CR_TX_EN (1 << 4) /* TX enabled */
#define R_UART_SR 0x2C
#define UART_SR_INTR_REMPTY_BIT 1
#define UART_SR_INTR_TFUL_BIT 4
#define R_UART_TX 0x30
#define R_UART_RX 0x30
#define CONSOLE_T_CDNS_BASE CONSOLE_T_DRVDATA
#ifndef __ASSEMBLY__
#include <stdint.h>
typedef struct {
console_t console;
uintptr_t base;
} console_cdns_t;
/*
* Initialize a new Cadence console instance and register it with the console
* framework. The |console| pointer must point to storage that will be valid
* for the lifetime of the console, such as a global or static local variable.
* Its contents will be reinitialized from scratch.
*/
int console_cdns_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
console_cdns_t *console);
#endif /*__ASSEMBLY__*/
#endif /* CDNS_UART_H */