From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- peripherals/eefc/eefc.h | 147 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 peripherals/eefc/eefc.h (limited to 'peripherals/eefc/eefc.h') diff --git a/peripherals/eefc/eefc.h b/peripherals/eefc/eefc.h new file mode 100644 index 0000000..a5ebd09 --- /dev/null +++ b/peripherals/eefc/eefc.h @@ -0,0 +1,147 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2009, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ +//------------------------------------------------------------------------------ +/// \unit +/// +/// !Purpose +/// +/// Interface for configuration the Enhanced Embedded Flash Controller (EEFC) +/// peripheral. +/// +/// !Usage +/// +/// -# Enable/disable %flash ready interrupt sources using EFC_EnableFrdyIt() +/// and EFC_DisableFrdyIt(). +/// -# Translates the given address into which EEFC, page and offset values +/// for difference density %flash memory using EFC_TranslateAddress(). +/// -# Computes the address of a %flash access given the EFC, page and offset +/// for difference density %flash memory using EFC_ComputeAddress(). +/// -# Start the executing command with EFC_StartCommand() +/// -# Retrieve the current status of the EFC using EFC_GetStatus(). +/// -# Retrieve the result of the last executed command with EFC_GetResult(). +//------------------------------------------------------------------------------ +#ifndef EEFC_H +#define EEFC_H + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include + +#if !defined (CHIP_FLASH_EEFC) +#error eefc not supported +#endif + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +// Needed when EEFC is integrated in MC. +#if !defined(AT91C_BASE_EFC) && defined(AT91C_BASE_MC) +typedef struct _AT91S_EFC { + AT91_REG EFC_FMR; // EFC Flash Mode Register + AT91_REG EFC_FCR; // EFC Flash Command Register + AT91_REG EFC_FSR; // EFC Flash Status Register + AT91_REG EFC_FRR; // EFC Flash Result Register + AT91_REG EFC_FVR; // EFC Flash Version Register +} AT91S_EFC, *AT91PS_EFC; + +#define AT91C_EFC_FRDY AT91C_MC_FRDY +#define AT91C_EFC_FWS AT91C_MC_FWS +#define AT91C_EFC_FWS_0WS AT91C_MC_FWS_0WS +#define AT91C_EFC_FWS_1WS AT91C_MC_FWS_1WS +#define AT91C_EFC_FWS_2WS AT91C_MC_FWS_2WS +#define AT91C_EFC_FWS_3WS AT91C_MC_FWS_3WS +#define AT91C_EFC_FCMD AT91C_MC_FCMD +#define AT91C_EFC_FCMD_GETD AT91C_MC_FCMD_GETD +#define AT91C_EFC_FCMD_WP AT91C_MC_FCMD_WP +#define AT91C_EFC_FCMD_WPL AT91C_MC_FCMD_WPL +#define AT91C_EFC_FCMD_EWP AT91C_MC_FCMD_EWP +#define AT91C_EFC_FCMD_EWPL AT91C_MC_FCMD_EWPL +#define AT91C_EFC_FCMD_EA AT91C_MC_FCMD_EA +#define AT91C_EFC_FCMD_EPL AT91C_MC_FCMD_EPL +#define AT91C_EFC_FCMD_EPA AT91C_MC_FCMD_EPA +#define AT91C_EFC_FCMD_SLB AT91C_MC_FCMD_SLB +#define AT91C_EFC_FCMD_CLB AT91C_MC_FCMD_CLB +#define AT91C_EFC_FCMD_GLB AT91C_MC_FCMD_GLB +#define AT91C_EFC_FCMD_SFB AT91C_MC_FCMD_SFB +#define AT91C_EFC_FCMD_CFB AT91C_MC_FCMD_CFB +#define AT91C_EFC_FCMD_GFB AT91C_MC_FCMD_GFB +#define AT91C_EFC_FARG AT91C_MC_FARG +#define AT91C_EFC_FKEY AT91C_MC_FKEY +#define AT91C_EFC_FRDY_S AT91C_MC_FRDY_S +#define AT91C_EFC_FCMDE AT91C_MC_FCMDE +#define AT91C_EFC_LOCKE AT91C_MC_LOCKE +#define AT91C_EFC_FVALUE AT91C_MC_FVALUE + +#define AT91C_BASE_EFC (AT91_CAST(AT91PS_EFC) 0xFFFFFF60) + +#endif //#if !defined(AT91C_BASE_EFC) && defined(AT91C_BASE_MC) + +//------------------------------------------------------------------------------ +// Functions +//------------------------------------------------------------------------------ + +extern void EFC_EnableFrdyIt(AT91S_EFC *pEfc); + +extern void EFC_DisableFrdyIt(AT91S_EFC *pEfc); + +extern void EFC_TranslateAddress( + AT91S_EFC **ppEfc, + unsigned int address, + unsigned short *pPage, + unsigned short *pOffset); + +extern void EFC_ComputeAddress( + AT91S_EFC *pEfc, + unsigned short page, + unsigned short offset, + unsigned int *pAddress); + +extern void EFC_StartCommand( + AT91S_EFC *pEfc, + unsigned char command, + unsigned short argument); + +extern unsigned char EFC_PerformCommand( + AT91S_EFC *pEfc, + unsigned char command, + unsigned short argument); + +extern unsigned int EFC_GetStatus(AT91S_EFC *pEfc); + +extern unsigned int EFC_GetResult(AT91S_EFC *pEfc); + +#endif //#ifndef EEFC_H + -- cgit v1.2.3