2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
164 lines
6.4 KiB
C
Executable file
164 lines
6.4 KiB
C
Executable file
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2008 - 2014 Xilinx, Inc. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* Use of the Software is limited solely to applications:
|
|
* (a) running on a Xilinx device, or
|
|
* (b) that interact with a Xilinx device through a bus or interconnect.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
|
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* Except as contained in this notice, the name of the Xilinx shall not be used
|
|
* in advertising or otherwise to promote the sale, use or other dealings in
|
|
* this Software without prior written authorization from Xilinx.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*****************************************************************************/
|
|
/**
|
|
*
|
|
* @file xavb_hw.c
|
|
*
|
|
* The xavb_hw driver. Functions in this file are the minimum required functions
|
|
* for this driver. See xavb_hw.h for a detailed description of the driver.
|
|
*
|
|
* <pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- ---- -------- -----------------------------------------------
|
|
* 1.00a mbr 09/19/08 First release
|
|
* 1.01a mbr 06/24/09 PTP frame format updates for IEEE802.1 AS draft 5-0
|
|
* 2_02a mbr 09/16/09 Updates for programmable PTP timers
|
|
* 2_04a kag 07/23/10 PTP frame format updates for IEEE802.1 AS draft 6-7
|
|
* 3_01a kag 08/29/11 Added new APIs to update the RX Filter Control Reg.
|
|
* Fix for CR:572539. Updated bit map for Rx Filter
|
|
* control reg.
|
|
*
|
|
* </pre>
|
|
*
|
|
******************************************************************************/
|
|
|
|
/***************************** Include Files *********************************/
|
|
|
|
#include "xil_types.h"
|
|
#include "xil_io.h"
|
|
#include "xavb_hw.h"
|
|
|
|
/************************** Constant Definitions *****************************/
|
|
|
|
/**************************** Type Definitions *******************************/
|
|
|
|
/***************** Macros (Inline Functions) Definitions *********************/
|
|
|
|
/************************** Variable Definitions *****************************/
|
|
|
|
/************************** Function Prototypes ******************************/
|
|
|
|
/*****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/**
|
|
*
|
|
* This function reads the given Ethernet Statistic Register
|
|
*
|
|
* @param BaseAddress is the base address of the device
|
|
* @param CounterID is the Statistic Counter to be read
|
|
* @param Value a pointer to the read value of the 64-bit value of the counter
|
|
* and it is updated by this function
|
|
*
|
|
* @return None.
|
|
*
|
|
* @note The CounterID's defined here are the same as the Statistic Counter
|
|
* Addresses as used with the TEMAC core. Since each counter is 8-bytes
|
|
* wide, we must multiply these Counter ID's by 8 (or a left shift of 3)
|
|
* when mapping this into the PLB memory map. The 64-bit counter value
|
|
* is read as two separate 32-bit accesses.
|
|
*
|
|
*****************************************************************************/
|
|
void XAvbMac_ReadStats(u32 BaseAddress,
|
|
u32 CounterId,
|
|
XAvb_Uint64* Value)
|
|
{
|
|
Value->Upper = Xil_In32(BaseAddress + ((CounterId & 0x00ff) << 3) + 0x4);
|
|
Value->Lower = Xil_In32(BaseAddress + ((CounterId & 0x00ff) << 3));
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/**
|
|
*
|
|
* This function reads the current Real Time Counter (RTC) value
|
|
*
|
|
* @param BaseAddress is the base address of the device
|
|
* @param RtcValue is a pointer to a struct in which to store the value read
|
|
* from the RTC (The RTC 48-bit seconds field and the 32-bit ns field
|
|
* of this struct are updated).
|
|
*
|
|
* @return None
|
|
*
|
|
* @note This is provided as a basic function since the ns field MUST be read
|
|
* before the seconds/epoch registers (reading the ns samples the entire
|
|
* RTC in hardware).
|
|
*
|
|
*****************************************************************************/
|
|
void XAvb_ReadRtc(u32 BaseAddress,
|
|
XAvb_RtcFormat* RtcValue)
|
|
{
|
|
RtcValue->NanoSeconds =
|
|
Xil_In32(BaseAddress + XAVB_RTC_NANOSEC_VALUE_OFFSET)
|
|
& XAVB_RTC_NS_MASK;
|
|
|
|
RtcValue->SecondsLower =
|
|
Xil_In32(BaseAddress + XAVB_RTC_SEC_LOWER_VALUE_OFFSET)
|
|
& XAVB_RTC_SEC_LOWER_MASK;
|
|
|
|
RtcValue->SecondsUpper =
|
|
Xil_In32(BaseAddress + XAVB_RTC_SEC_UPPER_VALUE_OFFSET)
|
|
& XAVB_RTC_SEC_UPPER_MASK;
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/**
|
|
*
|
|
* This function writes to the Real Time Counter (RTC) Offset Registers
|
|
*
|
|
* @param BaseAddress is the base address of the device
|
|
* @param RtcValue is the nanoseconds and seconds offset values that should
|
|
* be written to the RTC.
|
|
*
|
|
* @return None
|
|
*
|
|
* @note This is provided as a basic function since the ns field MUST be
|
|
* written after the seconds/epoch offset registers (writing to the ns
|
|
* offset registers samples the entire RTC offset in hardware).
|
|
*
|
|
*****************************************************************************/
|
|
void XAvb_WriteRtcOffset(u32 BaseAddress, XAvb_RtcFormat* RtcValue)
|
|
{
|
|
Xil_Out32((BaseAddress + XAVB_RTC_SEC_UPPER_OFFSET),
|
|
(RtcValue->SecondsUpper & XAVB_RTC_SEC_UPPER_MASK));
|
|
|
|
Xil_Out32((BaseAddress + XAVB_RTC_SEC_LOWER_OFFSET),
|
|
(RtcValue->SecondsLower & XAVB_RTC_SEC_LOWER_MASK));
|
|
|
|
Xil_Out32((BaseAddress + XAVB_RTC_NANOSEC_OFFSET),
|
|
(RtcValue->NanoSeconds & XAVB_RTC_NS_MASK));
|
|
}
|