2016-03-07 04:14:51 +00:00
|
|
|
/*
|
2018-08-16 16:52:57 +01:00
|
|
|
* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
|
2016-03-07 04:14:51 +00:00
|
|
|
*
|
2017-05-03 09:38:09 +01:00
|
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
2016-03-07 04:14:51 +00:00
|
|
|
*/
|
|
|
|
|
2018-11-08 10:20:19 +00:00
|
|
|
#ifndef CDNS_UART_H
|
|
|
|
#define CDNS_UART_H
|
2016-03-07 04:14:51 +00:00
|
|
|
|
2017-09-19 01:01:06 +01:00
|
|
|
#include <console.h>
|
|
|
|
|
2016-03-07 04:14:51 +00:00
|
|
|
/* 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
|
|
|
|
|
2017-09-19 01:01:06 +01:00
|
|
|
#define CONSOLE_T_CDNS_BASE CONSOLE_T_DRVDATA
|
|
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
|
2018-08-16 16:52:57 +01:00
|
|
|
#include <stdint.h>
|
2017-09-19 01:01:06 +01:00
|
|
|
|
|
|
|
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.
|
|
|
|
*/
|
2018-11-09 22:36:55 +00:00
|
|
|
int console_cdns_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
|
2017-09-19 01:01:06 +01:00
|
|
|
console_cdns_t *console);
|
|
|
|
|
|
|
|
#endif /*__ASSEMBLY__*/
|
|
|
|
|
2018-11-08 10:20:19 +00:00
|
|
|
#endif /* CDNS_UART_H */
|