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Diffstat (limited to 'board/xilinx/common/xpacket_fifo_v1_00_b.h')
| -rw-r--r-- | board/xilinx/common/xpacket_fifo_v1_00_b.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/board/xilinx/common/xpacket_fifo_v1_00_b.h b/board/xilinx/common/xpacket_fifo_v1_00_b.h deleted file mode 100644 index 1cda0e8cc4..0000000000 --- a/board/xilinx/common/xpacket_fifo_v1_00_b.h +++ /dev/null @@ -1,306 +0,0 @@ -/****************************************************************************** -* -* Author: Xilinx, Inc. -* -* -* This program is free software; you can redistribute it and/or modify it -* under the terms of the GNU General Public License as published by the -* Free Software Foundation; either version 2 of the License, or (at your -* option) any later version. -* -* -* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A -* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS -* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD, -* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE -* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING -* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. -* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO -* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY -* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM -* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND -* FITNESS FOR A PARTICULAR PURPOSE. -* -* -* Xilinx hardware products are not intended for use in life support -* appliances, devices, or systems. Use in such applications is -* expressly prohibited. -* -* -* (c) Copyright 2002-2004 Xilinx Inc. -* All rights reserved. -* -* -* You should have received a copy of the GNU General Public License along -* with this program; if not, write to the Free Software Foundation, Inc., -* 675 Mass Ave, Cambridge, MA 02139, USA. -* -******************************************************************************/ -/*****************************************************************************/ -/* -* -* @file xpacket_fifo_v1_00_b.h -* -* This component is a common component because it's primary purpose is to -* prevent code duplication in drivers. A driver which must handle a packet -* FIFO uses this component rather than directly manipulating a packet FIFO. -* -* A FIFO is a device which has dual port memory such that one user may be -* inserting data into the FIFO while another is consuming data from the FIFO. -* A packet FIFO is designed for use with packet protocols such as Ethernet and -* ATM. It is typically only used with devices when DMA and/or Scatter Gather -* is used. It differs from a nonpacket FIFO in that it does not provide any -* interrupts for thresholds of the FIFO such that it is less useful without -* DMA. -* -* @note -* -* This component has the capability to generate an interrupt when an error -* condition occurs. It is the user's responsibility to provide the interrupt -* processing to handle the interrupt. This component provides the ability to -* determine if that interrupt is active, a deadlock condition, and the ability -* to reset the FIFO to clear the condition. In this condition, the device which -* is using the FIFO should also be reset to prevent other problems. This error -* condition could occur as a normal part of operation if the size of the FIFO -* is not setup correctly. See the hardware IP specification for more details. -* -* <pre> -* MODIFICATION HISTORY: -* -* Ver Who Date Changes -* ----- ---- -------- ----------------------------------------------- -* 1.00b rpm 03/26/02 First release -* </pre> -* -*****************************************************************************/ -#ifndef XPACKET_FIFO_H /* prevent circular inclusions */ -#define XPACKET_FIFO_H /* by using protection macros */ - -/***************************** Include Files *********************************/ - -#include "xbasic_types.h" -#include "xstatus.h" - -/************************** Constant Definitions *****************************/ - -/* - * These constants specify the FIFO type and are mutually exclusive - */ -#define XPF_READ_FIFO_TYPE 0 /* a read FIFO */ -#define XPF_WRITE_FIFO_TYPE 1 /* a write FIFO */ - -/* - * These constants define the offsets to each of the registers from the - * register base address, each of the constants are a number of bytes - */ -#define XPF_RESET_REG_OFFSET 0UL -#define XPF_MODULE_INFO_REG_OFFSET 0UL -#define XPF_COUNT_STATUS_REG_OFFSET 4UL - -/* - * This constant is used with the Reset Register - */ -#define XPF_RESET_FIFO_MASK 0x0000000A - -/* - * These constants are used with the Occupancy/Vacancy Count Register. This - * register also contains FIFO status - */ -#define XPF_COUNT_MASK 0x0000FFFF -#define XPF_DEADLOCK_MASK 0x20000000 -#define XPF_ALMOST_EMPTY_FULL_MASK 0x40000000 -#define XPF_EMPTY_FULL_MASK 0x80000000 - -/**************************** Type Definitions *******************************/ - -/* - * The XPacketFifo driver instance data. The driver is required to allocate a - * variable of this type for every packet FIFO in the device. - */ -typedef struct { - u32 RegBaseAddress; /* Base address of registers */ - u32 IsReady; /* Device is initialized and ready */ - u32 DataBaseAddress; /* Base address of data for FIFOs */ -} XPacketFifoV100b; - -/***************** Macros (Inline Functions) Definitions *********************/ - -/*****************************************************************************/ -/* -* -* Reset the specified packet FIFO. Resetting a FIFO will cause any data -* contained in the FIFO to be lost. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* None. -* -* @note -* -* Signature: void XPF_V100B_RESET(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_RESET(InstancePtr) \ - XIo_Out32((InstancePtr)->RegBaseAddress + XPF_RESET_REG_OFFSET, XPF_RESET_FIFO_MASK); - -/*****************************************************************************/ -/* -* -* Get the occupancy count for a read packet FIFO and the vacancy count for a -* write packet FIFO. These counts indicate the number of 32-bit words -* contained (occupancy) in the FIFO or the number of 32-bit words available -* to write (vacancy) in the FIFO. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* The occupancy or vacancy count for the specified packet FIFO. -* -* @note -* -* Signature: u32 XPF_V100B_GET_COUNT(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_GET_COUNT(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_COUNT_MASK) - -/*****************************************************************************/ -/* -* -* Determine if the specified packet FIFO is almost empty. Almost empty is -* defined for a read FIFO when there is only one data word in the FIFO. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* TRUE if the packet FIFO is almost empty, FALSE otherwise. -* -* @note -* -* Signature: u32 XPF_V100B_IS_ALMOST_EMPTY(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_IS_ALMOST_EMPTY(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_ALMOST_EMPTY_FULL_MASK) - -/*****************************************************************************/ -/* -* -* Determine if the specified packet FIFO is almost full. Almost full is -* defined for a write FIFO when there is only one available data word in the -* FIFO. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* TRUE if the packet FIFO is almost full, FALSE otherwise. -* -* @note -* -* Signature: u32 XPF_V100B_IS_ALMOST_FULL(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_IS_ALMOST_FULL(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_ALMOST_EMPTY_FULL_MASK) - -/*****************************************************************************/ -/* -* -* Determine if the specified packet FIFO is empty. This applies only to a -* read FIFO. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* TRUE if the packet FIFO is empty, FALSE otherwise. -* -* @note -* -* Signature: u32 XPF_V100B_IS_EMPTY(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_IS_EMPTY(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_EMPTY_FULL_MASK) - -/*****************************************************************************/ -/* -* -* Determine if the specified packet FIFO is full. This applies only to a -* write FIFO. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* TRUE if the packet FIFO is full, FALSE otherwise. -* -* @note -* -* Signature: u32 XPF_V100B_IS_FULL(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_IS_FULL(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_EMPTY_FULL_MASK) - -/*****************************************************************************/ -/* -* -* Determine if the specified packet FIFO is deadlocked. This condition occurs -* when the FIFO is full and empty at the same time and is caused by a packet -* being written to the FIFO which exceeds the total data capacity of the FIFO. -* It occurs because of the mark/restore features of the packet FIFO which allow -* retransmission of a packet. The software should reset the FIFO and any devices -* using the FIFO when this condition occurs. -* -* @param InstancePtr contains a pointer to the FIFO to operate on. -* -* @return -* -* TRUE if the packet FIFO is deadlocked, FALSE otherwise. -* -* @note -* -* This component has the capability to generate an interrupt when an error -* condition occurs. It is the user's responsibility to provide the interrupt -* processing to handle the interrupt. This function provides the ability to -* determine if a deadlock condition, and the ability to reset the FIFO to -* clear the condition. -* -* In this condition, the device which is using the FIFO should also be reset -* to prevent other problems. This error condition could occur as a normal part -* of operation if the size of the FIFO is not setup correctly. -* -* Signature: u32 XPF_V100B_IS_DEADLOCKED(XPacketFifoV100b *InstancePtr) -* -******************************************************************************/ -#define XPF_V100B_IS_DEADLOCKED(InstancePtr) \ - (XIo_In32((InstancePtr)->RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) & \ - XPF_DEADLOCK_MASK) - -/************************** Function Prototypes ******************************/ - -/* Standard functions */ - -XStatus XPacketFifoV100b_Initialize(XPacketFifoV100b * InstancePtr, - u32 RegBaseAddress, u32 DataBaseAddress); -XStatus XPacketFifoV100b_SelfTest(XPacketFifoV100b * InstancePtr, u32 FifoType); - -/* Data functions */ - -XStatus XPacketFifoV100b_Read(XPacketFifoV100b * InstancePtr, - u8 * ReadBufferPtr, u32 ByteCount); -XStatus XPacketFifoV100b_Write(XPacketFifoV100b * InstancePtr, - u8 * WriteBufferPtr, u32 ByteCount); - -#endif /* end of protection macro */ |
