xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-at91/include/mach/at91_eefc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2010
3*4882a593Smuzhiyun  * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Enhanced Embedded Flash Controller
6*4882a593Smuzhiyun  * Based on AT91SAM9XE datasheet
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef AT91_EEFC_H
12*4882a593Smuzhiyun #define AT91_EEFC_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #ifndef __ASSEMBLY__
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun typedef struct at91_eefc {
17*4882a593Smuzhiyun 	u32	fmr;	/* Flash Mode Register RW */
18*4882a593Smuzhiyun 	u32	fcr;	/* Flash Command Register WO */
19*4882a593Smuzhiyun 	u32	fsr;	/* Flash Status Register RO */
20*4882a593Smuzhiyun 	u32	frr;	/* Flash Result Register RO */
21*4882a593Smuzhiyun } at91_eefc_t;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define AT91_EEFC_FMR_FWS_MASK	0x00000f00
26*4882a593Smuzhiyun #define AT91_EEFC_FMR_FRDY_BIT	0x00000001
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #define AT91_EEFC_FCR_KEY		0x5a000000
29*4882a593Smuzhiyun #define AT91_EEFC_FCR_FARG_MASK	0x00ffff00
30*4882a593Smuzhiyun #define AT91_EEFC_FCR_FARG_SHIFT	8
31*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_GETD	0x0
32*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_WP		0x1
33*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_WPL		0x2
34*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_EWP		0x3
35*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_EWPL	0x4
36*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_EA		0x5
37*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_SLB		0x8
38*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_CLB		0x9
39*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_GLB		0xA
40*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_SGPB	0xB
41*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_CGPB	0xC
42*4882a593Smuzhiyun #define AT91_EEFC_FCR_FCMD_GGPB	0xD
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #define AT91_EEFC_FSR_FRDY	1
45*4882a593Smuzhiyun #define AT91_EEFC_FSR_FCMDE	2
46*4882a593Smuzhiyun #define AT91_EEFC_FSR_FLOCKE	4
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun #endif
49