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/*
* Xilinx FPGA Xilinx TSN timer module header.
*
* Copyright (c) 2017 Xilinx Pvt., Ltd
*
* Author: Syed S <syeds@xilinx.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _XILINX_TSN_H_
#define _XILINX_TSN_H_
#include <linux/platform_device.h>
#define XAE_RTC_OFFSET 0x12800
/* RTC Nanoseconds Field Offset Register */
#define XTIMER1588_RTC_OFFSET_NS 0x00000
/* RTC Seconds Field Offset Register - Low */
#define XTIMER1588_RTC_OFFSET_SEC_L 0x00008
/* RTC Seconds Field Offset Register - High */
#define XTIMER1588_RTC_OFFSET_SEC_H 0x0000C
/* RTC Increment */
#define XTIMER1588_RTC_INCREMENT 0x00010
/* Current TOD Nanoseconds - RO */
#define XTIMER1588_CURRENT_RTC_NS 0x00014
/* Current TOD Seconds -Low RO */
#define XTIMER1588_CURRENT_RTC_SEC_L 0x00018
/* Current TOD Seconds -High RO */
#define XTIMER1588_CURRENT_RTC_SEC_H 0x0001C
#define XTIMER1588_SYNTONIZED_NS 0x0002C
#define XTIMER1588_SYNTONIZED_SEC_L 0x00030
#define XTIMER1588_SYNTONIZED_SEC_H 0x00034
/* Write to Bit 0 to clear the interrupt */
#define XTIMER1588_INTERRUPT 0x00020
/* 8kHz Pulse Offset Register */
#define XTIMER1588_8KPULSE 0x00024
/* Correction Field - Low */
#define XTIMER1588_CF_L 0x0002C
/* Correction Field - Low */
#define XTIMER1588_CF_H 0x00030
#define XTIMER1588_RTC_MASK ((1 << 26) - 1)
#define XTIMER1588_INT_SHIFT 0
#define NANOSECOND_BITS 20
#define NANOSECOND_MASK ((1 << NANOSECOND_BITS) - 1)
#define SECOND_MASK ((1 << (32 - NANOSECOND_BITS)) - 1)
#define XTIMER1588_RTC_INCREMENT_SHIFT 20
#define PULSESIN1PPS 128
/* Read/Write access to the registers */
#ifndef out_be32
#if defined(CONFIG_ARCH_ZYNQ) || defined(CONFIG_ARCH_ZYNQMP)
#define in_be32(offset) __raw_readl(offset)
#define out_be32(offset, val) __raw_writel(val, offset)
#endif
#endif
/* The tsn ptp module will set this variable */
extern int axienet_phc_index;
void *axienet_ptp_timer_probe(void __iomem *base,
struct platform_device *pdev);
int axienet_ptp_timer_remove(void *priv);
int axienet_get_phc_index(void *priv);
#endif
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