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Diffstat (limited to 'board/xilinx/xilinx_enet/xemac_options.c')
| -rw-r--r-- | board/xilinx/xilinx_enet/xemac_options.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/board/xilinx/xilinx_enet/xemac_options.c b/board/xilinx/xilinx_enet/xemac_options.c deleted file mode 100644 index 1f225f8f5..000000000 --- a/board/xilinx/xilinx_enet/xemac_options.c +++ /dev/null @@ -1,318 +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 xemac_options.c -* -* Functions in this file handle configuration of the XEmac driver. -* -* <pre> -* MODIFICATION HISTORY: -* -* Ver Who Date Changes -* ----- ---- -------- ----------------------------------------------- -* 1.00a rpm 07/31/01 First release -* 1.00b rpm 02/20/02 Repartitioned files and functions -* 1.00c rpm 12/05/02 New version includes support for simple DMA -* </pre> -* -******************************************************************************/ - -/***************************** Include Files *********************************/ - -#include "xbasic_types.h" -#include "xemac_i.h" -#include "xio.h" - -/************************** Constant Definitions *****************************/ - -#define XEM_MAX_IFG 32 /* Maximum Interframe gap value */ - -/**************************** Type Definitions *******************************/ - -/***************** Macros (Inline Functions) Definitions *********************/ - -/************************** Function Prototypes ******************************/ - -/************************** Variable Definitions *****************************/ - -/* - * A table of options and masks. This table maps the user-visible options with - * the control register masks. It is used in Set/GetOptions as an alternative - * to a series of if/else pairs. Note that the polled options does not have a - * corresponding entry in the control register, so it does not exist in the - * table. - */ -typedef struct { - u32 Option; - u32 Mask; -} OptionMap; - -static OptionMap OptionsTable[] = { - {XEM_UNICAST_OPTION, XEM_ECR_UNICAST_ENABLE_MASK}, - {XEM_BROADCAST_OPTION, XEM_ECR_BROAD_ENABLE_MASK}, - {XEM_PROMISC_OPTION, XEM_ECR_PROMISC_ENABLE_MASK}, - {XEM_FDUPLEX_OPTION, XEM_ECR_FULL_DUPLEX_MASK}, - {XEM_LOOPBACK_OPTION, XEM_ECR_LOOPBACK_MASK}, - {XEM_MULTICAST_OPTION, XEM_ECR_MULTI_ENABLE_MASK}, - {XEM_FLOW_CONTROL_OPTION, XEM_ECR_PAUSE_FRAME_MASK}, - {XEM_INSERT_PAD_OPTION, XEM_ECR_XMIT_PAD_ENABLE_MASK}, - {XEM_INSERT_FCS_OPTION, XEM_ECR_XMIT_FCS_ENABLE_MASK}, - {XEM_INSERT_ADDR_OPTION, XEM_ECR_XMIT_ADDR_INSERT_MASK}, - {XEM_OVWRT_ADDR_OPTION, XEM_ECR_XMIT_ADDR_OVWRT_MASK}, - {XEM_STRIP_PAD_FCS_OPTION, XEM_ECR_RECV_STRIP_ENABLE_MASK} -}; - -#define XEM_NUM_OPTIONS (sizeof(OptionsTable) / sizeof(OptionMap)) - -/*****************************************************************************/ -/** -* -* Set Ethernet driver/device options. The device must be stopped before -* calling this function. The options are contained within a bit-mask with each -* bit representing an option (i.e., you can OR the options together). A one (1) -* in the bit-mask turns an option on, and a zero (0) turns the option off. -* -* @param InstancePtr is a pointer to the XEmac instance to be worked on. -* @param OptionsFlag is a bit-mask representing the Ethernet options to turn on -* or off. See xemac.h for a description of the available options. -* -* @return -* -* - XST_SUCCESS if the options were set successfully -* - XST_DEVICE_IS_STARTED if the device has not yet been stopped -* -* @note -* -* This function is not thread-safe and makes use of internal resources that are -* shared between the Start, Stop, and SetOptions functions, so if one task -* might be setting device options while another is trying to start the device, -* protection of this shared data (typically using a semaphore) is required. -* -******************************************************************************/ -XStatus -XEmac_SetOptions(XEmac * InstancePtr, u32 OptionsFlag) -{ - u32 ControlReg; - int Index; - - XASSERT_NONVOID(InstancePtr != NULL); - XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY); - - if (InstancePtr->IsStarted == XCOMPONENT_IS_STARTED) { - return XST_DEVICE_IS_STARTED; - } - - ControlReg = XIo_In32(InstancePtr->BaseAddress + XEM_ECR_OFFSET); - - /* - * Loop through the options table, turning the option on or off - * depending on whether the bit is set in the incoming options flag. - */ - for (Index = 0; Index < XEM_NUM_OPTIONS; Index++) { - if (OptionsFlag & OptionsTable[Index].Option) { - ControlReg |= OptionsTable[Index].Mask; /* turn it on */ - } else { - ControlReg &= ~OptionsTable[Index].Mask; /* turn it off */ - } - } - - /* - * TODO: need to validate addr-overwrite only if addr-insert? - */ - - /* - * Now write the control register. Leave it to the upper layers - * to restart the device. - */ - XIo_Out32(InstancePtr->BaseAddress + XEM_ECR_OFFSET, ControlReg); - - /* - * Check the polled option - */ - if (OptionsFlag & XEM_POLLED_OPTION) { - InstancePtr->IsPolled = TRUE; - } else { - InstancePtr->IsPolled = FALSE; - } - - return XST_SUCCESS; -} - -/*****************************************************************************/ -/** -* -* Get Ethernet driver/device options. The 32-bit value returned is a bit-mask -* representing the options. A one (1) in the bit-mask means the option is on, -* and a zero (0) means the option is off. -* -* @param InstancePtr is a pointer to the XEmac instance to be worked on. -* -* @return -* -* The 32-bit value of the Ethernet options. The value is a bit-mask -* representing all options that are currently enabled. See xemac.h for a -* description of the available options. -* -* @note -* -* None. -* -******************************************************************************/ -u32 -XEmac_GetOptions(XEmac * InstancePtr) -{ - u32 OptionsFlag = 0; - u32 ControlReg; - int Index; - - XASSERT_NONVOID(InstancePtr != NULL); - XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY); - - /* - * Get the control register to determine which options are currently set. - */ - ControlReg = XIo_In32(InstancePtr->BaseAddress + XEM_ECR_OFFSET); - - /* - * Loop through the options table to determine which options are set - */ - for (Index = 0; Index < XEM_NUM_OPTIONS; Index++) { - if (ControlReg & OptionsTable[Index].Mask) { - OptionsFlag |= OptionsTable[Index].Option; - } - } - - if (InstancePtr->IsPolled) { - OptionsFlag |= XEM_POLLED_OPTION; - } - - return OptionsFlag; -} - -/*****************************************************************************/ -/** -* -* Set the Interframe Gap (IFG), which is the time the MAC delays between -* transmitting frames. There are two parts required. The total interframe gap -* is the total of the two parts. The values provided for the Part1 and Part2 -* parameters are multiplied by 4 to obtain the bit-time interval. The first -* part should be the first 2/3 of the total interframe gap. The MAC will reset -* the interframe gap timer if carrier sense becomes true during the period -* defined by interframe gap Part1. Part1 may be shorter than 2/3 the total and -* can be as small as zero. The second part should be the last 1/3 of the total -* interframe gap, but can be as large as the total interframe gap. The MAC -* will not reset the interframe gap timer if carrier sense becomes true during -* the period defined by interframe gap Part2. -* -* The device must be stopped before setting the interframe gap. -* -* @param InstancePtr is a pointer to the XEmac instance to be worked on. -* @param Part1 is the interframe gap part 1 (which will be multiplied by 4 to -* get the bit-time interval). -* @param Part2 is the interframe gap part 2 (which will be multiplied by 4 to -* get the bit-time interval). -* -* @return -* -* - XST_SUCCESS if the interframe gap was set successfully -* - XST_DEVICE_IS_STARTED if the device has not been stopped -* -* @note -* -* None. -* -******************************************************************************/ -XStatus -XEmac_SetInterframeGap(XEmac * InstancePtr, u8 Part1, u8 Part2) -{ - u32 Ifg; - - XASSERT_NONVOID(InstancePtr != NULL); - XASSERT_NONVOID(Part1 < XEM_MAX_IFG); - XASSERT_NONVOID(Part2 < XEM_MAX_IFG); - XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY); - - /* - * Be sure device has been stopped - */ - if (InstancePtr->IsStarted == XCOMPONENT_IS_STARTED) { - return XST_DEVICE_IS_STARTED; - } - - Ifg = Part1 << XEM_IFGP_PART1_SHIFT; - Ifg |= (Part2 << XEM_IFGP_PART2_SHIFT); - XIo_Out32(InstancePtr->BaseAddress + XEM_IFGP_OFFSET, Ifg); - - return XST_SUCCESS; -} - -/*****************************************************************************/ -/** -* -* Get the interframe gap, parts 1 and 2. See the description of interframe gap -* above in XEmac_SetInterframeGap(). -* -* @param InstancePtr is a pointer to the XEmac instance to be worked on. -* @param Part1Ptr is a pointer to an 8-bit buffer into which the interframe gap -* part 1 value will be copied. -* @param Part2Ptr is a pointer to an 8-bit buffer into which the interframe gap -* part 2 value will be copied. -* -* @return -* -* None. The values of the interframe gap parts are copied into the -* output parameters. -* -******************************************************************************/ -void -XEmac_GetInterframeGap(XEmac * InstancePtr, u8 * Part1Ptr, u8 * Part2Ptr) -{ - u32 Ifg; - - XASSERT_VOID(InstancePtr != NULL); - XASSERT_VOID(Part1Ptr != NULL); - XASSERT_VOID(Part2Ptr != NULL); - XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY); - - Ifg = XIo_In32(InstancePtr->BaseAddress + XEM_IFGP_OFFSET); - *Part1Ptr = (Ifg & XEM_IFGP_PART1_MASK) >> XEM_IFGP_PART1_SHIFT; - *Part2Ptr = (Ifg & XEM_IFGP_PART2_MASK) >> XEM_IFGP_PART2_SHIFT; -} |