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