3 * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
5 * Enhanced Embedded Flash Controller
6 * Based on AT91SAM9XE datasheet
8 * SPDX-License-Identifier: GPL-2.0+
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 */
23 #endif /* __ASSEMBLY__ */
25 #define AT91_EEFC_FMR_FWS_MASK 0x00000f00
26 #define AT91_EEFC_FMR_FRDY_BIT 0x00000001
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
44 #define AT91_EEFC_FSR_FRDY 1
45 #define AT91_EEFC_FSR_FCMDE 2
46 #define AT91_EEFC_FSR_FLOCKE 4