1 /* 2 * Copyright (C) 2010 3 * Reinhard Meyer, reinhard.meyer@emk-elektronik.de 4 * 5 * Enhanced Embedded Flash Controller 6 * Based on AT91SAM9XE datasheet 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef AT91_EEFC_H 12 #define AT91_EEFC_H 13 14 #ifndef __ASSEMBLY__ 15 16 typedef struct at91_eefc { 17 u32 fmr; /* Flash Mode Register RW */ 18 u32 fcr; /* Flash Command Register WO */ 19 u32 fsr; /* Flash Status Register RO */ 20 u32 frr; /* Flash Result Register RO */ 21 } at91_eefc_t; 22 23 #endif /* __ASSEMBLY__ */ 24 25 #define AT91_EEFC_FMR_FWS_MASK 0x00000f00 26 #define AT91_EEFC_FMR_FRDY_BIT 0x00000001 27 28 #define AT91_EEFC_FCR_KEY 0x5a000000 29 #define AT91_EEFC_FCR_FARG_MASK 0x00ffff00 30 #define AT91_EEFC_FCR_FARG_SHIFT 8 31 #define AT91_EEFC_FCR_FCMD_GETD 0x0 32 #define AT91_EEFC_FCR_FCMD_WP 0x1 33 #define AT91_EEFC_FCR_FCMD_WPL 0x2 34 #define AT91_EEFC_FCR_FCMD_EWP 0x3 35 #define AT91_EEFC_FCR_FCMD_EWPL 0x4 36 #define AT91_EEFC_FCR_FCMD_EA 0x5 37 #define AT91_EEFC_FCR_FCMD_SLB 0x8 38 #define AT91_EEFC_FCR_FCMD_CLB 0x9 39 #define AT91_EEFC_FCR_FCMD_GLB 0xA 40 #define AT91_EEFC_FCR_FCMD_SGPB 0xB 41 #define AT91_EEFC_FCR_FCMD_CGPB 0xC 42 #define AT91_EEFC_FCR_FCMD_GGPB 0xD 43 44 #define AT91_EEFC_FSR_FRDY 1 45 #define AT91_EEFC_FSR_FCMDE 2 46 #define AT91_EEFC_FSR_FLOCKE 4 47 48 #endif 49