2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
156 lines
5.8 KiB
C
Executable file
156 lines
5.8 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xilflash_cfi.h
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*
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* This file contains methods used to extract and interpret Common Flash
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* Interface(CFI) from a flash memory part that supports the CFI query command.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a rmm 10/25/07 First release
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* 1.00a mta 10/25/07 Updated to flash library
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* 1.01a ksu 04/10/08 Added support for AMD CFI Interface
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* 2.00a ktn 12/04/09 Updated to use the HAL processor APIs/macros
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* </pre>
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*
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***************************************************************************/
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#ifndef XFLASH_CFI_H /* prevent circular inclusions */
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#define XFLASH_CFI_H /* by using protection macros */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************** Include Files *********************************/
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#include "xil_types.h"
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#include "xstatus.h"
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#include "xilflash.h"
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#include "xilflash_properties.h"
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#ifdef XPAR_XFL_DEVICE_FAMILY_INTEL
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#include "xilflash_intel.h"
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#endif /* XPAR_XFL_DEVICE_FAMILY_INTEL */
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#ifdef XPAR_XFL_DEVICE_FAMILY_AMD
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#include "xilflash_amd.h"
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#endif /* XPAR_XFL_DEVICE_FAMILY_AMD */
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/************************** Constant Definitions *****************************/
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/**
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* LAYOUT constants are used to parse the XFL_LAYOUT_X* constants.
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*/
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#define XFL_LAYOUT_NUM_PARTS_MASK 0x000000FF
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#define XFL_LAYOUT_PART_MODE_MASK 0x0000FF00
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#define XFL_LAYOUT_PART_WIDTH_MASK 0x00FF0000
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#define XFL_LAYOUT_CFI_INTERL_MASK 0xFF000000
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#define XFL_LAYOUT_NUM_PARTS_1 0x00000001
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#define XFL_LAYOUT_NUM_PARTS_2 0x00000002
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#define XFL_LAYOUT_NUM_PARTS_4 0x00000004
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#define XFL_LAYOUT_PART_MODE_8 0x00000100
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#define XFL_LAYOUT_PART_MODE_16 0x00000200
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#define XFL_LAYOUT_PART_WIDTH_8 0x00010000
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#define XFL_LAYOUT_PART_WIDTH_16 0x00020000
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#define XFL_LAYOUT_CFI_INTERL_1 0x01000000
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#define XFL_LAYOUT_CFI_INTERL_2 0x02000000
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#define XFL_LAYOUT_CFI_INTERL_4 0x04000000
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#define XFL_LAYOUT_CFI_INTERL_8 0x08000000
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/*****************************************************************************/
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/**
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*
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* Moves the CFI data pointer to a physical address that corresponds to a
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* specific CFI byte offset.
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*
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* @param Ptr is the pointer to modify. Can be of any type.
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* @param BaseAddr is the base address of flash part.
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* @param Interleave is the byte interleaving (based on part layout).
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* @param ByteAddr is the byte offset within CFI data to read.
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*
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* @return The Ptr argument is set to point at the CFI byte specified
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* by the ByteAddr parameter.
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*
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*****************************************************************************/
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#define XFL_CFI_POSITION_PTR(Ptr, BaseAddr, Interleave, ByteAddr) \
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( \
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Ptr = (void*)((u32)BaseAddr + ((u32)Interleave * \
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(u32)ByteAddr)) \
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)
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/*****************************************************************************/
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/**
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*
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* Advances the CFI pointer to the next byte.
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*
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* @param Ptr is the pointer to advance. Can be a pointer to any type.
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* @param Interleave is the byte interleaving (based on part layout).
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*
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* @return Adjusted Ptr.
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*
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*****************************************************************************/
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#define XFL_CFI_ADVANCE_PTR8(Ptr, Interleave) \
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(Ptr = (void*)((u32)Ptr + (Interleave)))
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/*****************************************************************************/
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/**
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*
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* Advances the CFI pointer to the next 16-bit quantity.
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*
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* @param Ptr is the pointer to advance. Can be a pointer to any type.
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* @param Interleave is the byte interleaving (based on part layout).
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*
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* @return Adjusted Ptr.
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*
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*****************************************************************************/
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#define XFL_CFI_ADVANCE_PTR16(Ptr, Interleave) \
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(Ptr = (void*)((u32)Ptr + ((Interleave) << 1)))
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/************************** Function Prototypes ******************************/
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int XFlashCFI_ReadCommon(XFlash *InstancePtr, u8 BusWidth);
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int XFlashCFI_Read8(u8 *Ptr, u8 Interleave, u8 Mode);
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int XFlashCFI_Read16(u8 *Ptr, u8 Interleave, u8 Mode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of protection macro */
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