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51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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* Copyright (C) 2010
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* Reinhard Meyer, reinhard.meyer@emk-elektronik.de
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*
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* Enhanced Embedded Flash Controller
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* Based on AT91SAM9XE datasheet
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_EEFC_H
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#define AT91_EEFC_H
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#ifndef __ASSEMBLY__
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typedef struct at91_eefc {
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u32 fmr; /* Flash Mode Register RW */
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u32 fcr; /* Flash Command Register WO */
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u32 fsr; /* Flash Status Register RO */
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u32 frr; /* Flash Result Register RO */
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} at91_eefc_t;
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#endif /* __ASSEMBLY__ */
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#define AT91_EEFC_FMR_FWS_MASK 0x00000f00
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#define AT91_EEFC_FMR_FRDY_BIT 0x00000001
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#define AT91_EEFC_FCR_KEY 0x5a000000
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#define AT91_EEFC_FCR_FARG_MASK 0x00ffff00
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#define AT91_EEFC_FCR_FARG_SHIFT 8
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#define AT91_EEFC_FCR_FCMD_GETD 0x0
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#define AT91_EEFC_FCR_FCMD_WP 0x1
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#define AT91_EEFC_FCR_FCMD_WPL 0x2
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#define AT91_EEFC_FCR_FCMD_EWP 0x3
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#define AT91_EEFC_FCR_FCMD_EWPL 0x4
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#define AT91_EEFC_FCR_FCMD_EA 0x5
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#define AT91_EEFC_FCR_FCMD_SLB 0x8
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#define AT91_EEFC_FCR_FCMD_CLB 0x9
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#define AT91_EEFC_FCR_FCMD_GLB 0xA
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#define AT91_EEFC_FCR_FCMD_SGPB 0xB
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#define AT91_EEFC_FCR_FCMD_CGPB 0xC
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#define AT91_EEFC_FCR_FCMD_GGPB 0xD
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#define AT91_EEFC_FSR_FRDY 1
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#define AT91_EEFC_FSR_FCMDE 2
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#define AT91_EEFC_FSR_FLOCKE 4
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#endif
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