1 /*
2  * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de)
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef AT91_MATRIX_H
8 #define AT91_MATRIX_H
9 
10 #ifdef __ASSEMBLY__
11 
12 #if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20)
13 #define AT91_ASM_MATRIX_CSA0	(ATMEL_BASE_MATRIX + 0x11C)
14 #elif defined(CONFIG_AT91SAM9261)
15 #define AT91_ASM_MATRIX_CSA0	(ATMEL_BASE_MATRIX + 0x30)
16 #elif defined(CONFIG_AT91SAM9263)
17 #define AT91_ASM_MATRIX_CSA0	(ATMEL_BASE_MATRIX + 0x120)
18 #elif defined(CONFIG_AT91SAM9G45)
19 #define AT91_ASM_MATRIX_CSA0	(ATMEL_BASE_MATRIX + 0x128)
20 #else
21 #error AT91_ASM_MATRIX_CSA0 is not definied for current CPU
22 #endif
23 
24 #define AT91_ASM_MATRIX_MCFG	ATMEL_BASE_MATRIX
25 
26 #else
27 #if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20)
28 #define AT91_MATRIX_MASTERS	6
29 #define AT91_MATRIX_SLAVES	5
30 #elif defined(CONFIG_AT91SAM9261)
31 #define AT91_MATRIX_MASTERS	1
32 #define AT91_MATRIX_SLAVES	5
33 #elif defined(CONFIG_AT91SAM9263)
34 #define AT91_MATRIX_MASTERS	9
35 #define AT91_MATRIX_SLAVES	7
36 #elif defined(CONFIG_AT91SAM9G45)
37 #define AT91_MATRIX_MASTERS	11
38 #define AT91_MATRIX_SLAVES	8
39 #else
40 #error CPU not supported. Please update at91_matrix.h
41 #endif
42 
43 typedef struct at91_priority {
44 	u32	a;
45 	u32	b;
46 } at91_priority_t;
47 
48 typedef struct at91_matrix {
49 	u32		mcfg[AT91_MATRIX_MASTERS];
50 #if defined(CONFIG_AT91SAM9261)
51 	u32		scfg[AT91_MATRIX_SLAVES];
52 	u32		res61_1[3];
53 	u32		tcr;
54 	u32		res61_2[2];
55 	u32		csa;
56 	u32		pucr;
57 	u32		res61_3[114];
58 #else
59 	u32		reserve1[16 - AT91_MATRIX_MASTERS];
60 	u32		scfg[AT91_MATRIX_SLAVES];
61 	u32		reserve2[16 - AT91_MATRIX_SLAVES];
62 	at91_priority_t	pr[AT91_MATRIX_SLAVES];
63 	u32		reserve3[32 - (2 * AT91_MATRIX_SLAVES)];
64 	u32		mrcr;		/* 0x100 Master Remap Control */
65 	u32		reserve4[3];
66 #if	defined(CONFIG_AT91SAM9G45)
67 	u32		ccr[52];	/* 0x110 - 0x1E0 Chip Configuration */
68 	u32		womr;		/* 0x1E4 Write Protect Mode  */
69 	u32		wpsr;		/* 0x1E8 Write Protect Status */
70 	u32		resg45_1[10];
71 #elif defined(CONFIG_AT91SAM9260)  || defined(CONFIG_AT91SAM9G20)
72 	u32		res60_1[3];
73 	u32		csa;
74 	u32		res60_2[56];
75 #elif defined(CONFIG_AT91SAM9263)
76 	u32		res63_1;
77 	u32		tcmr;
78 	u32		res63_2[2];
79 	u32		csa[2];
80 	u32		res63_3[54];
81 #else
82 	u32		reserve5[60];
83 #endif
84 #endif
85 } at91_matrix_t;
86 
87 #endif /* __ASSEMBLY__ */
88 
89 #define AT91_MATRIX_CSA_DBPUC		0x00000100
90 #define AT91_MATRIX_CSA_VDDIOMSEL_1_8V	0x00000000
91 #define AT91_MATRIX_CSA_VDDIOMSEL_3_3V	0x00010000
92 
93 #define AT91_MATRIX_CSA_EBI_CS1A	0x00000002
94 #define AT91_MATRIX_CSA_EBI_CS3A	0x00000008
95 #define AT91_MATRIX_CSA_EBI_CS4A	0x00000010
96 #define AT91_MATRIX_CSA_EBI_CS5A	0x00000020
97 
98 #define AT91_MATRIX_CSA_EBI1_CS2A	0x00000008
99 
100 #if defined CONFIG_AT91SAM9261
101 /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
102 #define	AT91_MATRIX_MCFG_RCB0	(1 << 0)
103 /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
104 #define	AT91_MATRIX_MCFG_RCB1	(1 << 1)
105 #endif
106 
107 /* Undefined Length Burst Type */
108 #if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9263) || \
109 	defined(CONFIG_AT91SAM9G45)
110 #define AT91_MATRIX_MCFG_ULBT_INFINITE	0x00000000
111 #define AT91_MATRIX_MCFG_ULBT_SINGLE	0x00000001
112 #define AT91_MATRIX_MCFG_ULBT_FOUR	0x00000002
113 #define AT91_MATRIX_MCFG_ULBT_EIGHT	0x00000003
114 #define AT91_MATRIX_MCFG_ULBT_SIXTEEN	0x00000004
115 #endif
116 #if defined(CONFIG_AT91SAM9G45)
117 #define AT91_MATRIX_MCFG_ULBT_THIRTYTWO	0x00000005
118 #define AT91_MATRIX_MCFG_ULBT_SIXTYFOUR	0x00000006
119 #define AT91_MATRIX_MCFG_ULBT_128	0x00000007
120 #endif
121 
122 /* Default Master Type */
123 #define AT91_MATRIX_SCFG_DEFMSTR_TYPE_NONE	0x00000000
124 #define AT91_MATRIX_SCFG_DEFMSTR_TYPE_LAST	0x00010000
125 #define AT91_MATRIX_SCFG_DEFMSTR_TYPE_FIXED	0x00020000
126 
127 /* Fixed Index of Default Master */
128 #if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9263)
129 #define	AT91_MATRIX_SCFG_FIXED_DEFMSTR(x)	((x & 0xf) << 18)
130 #elif defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9260)
131 #define	AT91_MATRIX_SCFG_FIXED_DEFMSTR(x)	((x & 7) << 18)
132 #endif
133 
134 /* Maximum Number of Allowed Cycles for a Burst */
135 #if defined(CONFIG_AT91SAM9G45)
136 #define	AT91_MATRIX_SCFG_SLOT_CYCLE(x)	((x & 0x1ff) << 0)
137 #elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \
138 	defined(CONFIG_AT91SAM9263)
139 #define	AT91_MATRIX_SCFG_SLOT_CYCLE(x)	((x & 0xff) << 0)
140 #endif
141 
142 /* Arbitration Type */
143 #if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9263)
144 #define	AT91_MATRIX_SCFG_ARBT_ROUND_ROBIN	0x00000000
145 #define	AT91_MATRIX_SCFG_ARBT_FIXED_PRIORITY	0x01000000
146 #endif
147 
148 /* Master Remap Control Register */
149 #if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9263) || \
150 	defined(CONFIG_AT91SAM9G45)
151 /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
152 #define	AT91_MATRIX_MRCR_RCB0	(1 << 0)
153 /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
154 #define	AT91_MATRIX_MRCR_RCB1	(1 << 1)
155 #endif
156 #if defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G45)
157 #define	AT91_MATRIX_MRCR_RCB2	0x00000004
158 #define	AT91_MATRIX_MRCR_RCB3	0x00000008
159 #define	AT91_MATRIX_MRCR_RCB4	0x00000010
160 #define	AT91_MATRIX_MRCR_RCB5	0x00000020
161 #define	AT91_MATRIX_MRCR_RCB6	0x00000040
162 #define	AT91_MATRIX_MRCR_RCB7	0x00000080
163 #define	AT91_MATRIX_MRCR_RCB8	0x00000100
164 #endif
165 #if defined(CONFIG_AT91SAM9G45)
166 #define	AT91_MATRIX_MRCR_RCB9	0x00000200
167 #define	AT91_MATRIX_MRCR_RCB10	0x00000400
168 #define	AT91_MATRIX_MRCR_RCB11	0x00000800
169 #endif
170 
171 /* TCM Configuration Register */
172 #if defined(CONFIG_AT91SAM9G45)
173 /* Size of ITCM enabled memory block */
174 #define	AT91_MATRIX_TCMR_ITCM_0		0x00000000
175 #define	AT91_MATRIX_TCMR_ITCM_32	0x00000040
176 /* Size of DTCM enabled memory block */
177 #define	AT91_MATRIX_TCMR_DTCM_0		0x00000000
178 #define	AT91_MATRIX_TCMR_DTCM_32	0x00000060
179 #define	AT91_MATRIX_TCMR_DTCM_64	0x00000070
180 /* Wait state TCM register */
181 #define	AT91_MATRIX_TCMR_TCM_NO_WS	0x00000000
182 #define	AT91_MATRIX_TCMR_TCM_ONE_WS	0x00000800
183 #endif
184 #if defined(CONFIG_AT91SAM9263)
185 /* Size of ITCM enabled memory block */
186 #define	AT91_MATRIX_TCMR_ITCM_0		0x00000000
187 #define	AT91_MATRIX_TCMR_ITCM_16	0x00000005
188 #define	AT91_MATRIX_TCMR_ITCM_32	0x00000006
189 /* Size of DTCM enabled memory block */
190 #define	AT91_MATRIX_TCMR_DTCM_0		0x00000000
191 #define	AT91_MATRIX_TCMR_DTCM_16	0x00000050
192 #define	AT91_MATRIX_TCMR_DTCM_32	0x00000060
193 #endif
194 #if defined(CONFIG_AT91SAM9261)
195 /* Size of ITCM enabled memory block */
196 #define	AT91_MATRIX_TCMR_ITCM_0		0x00000000
197 #define	AT91_MATRIX_TCMR_ITCM_16	0x00000005
198 #define	AT91_MATRIX_TCMR_ITCM_32	0x00000006
199 #define	AT91_MATRIX_TCMR_ITCM_64	0x00000007
200 /* Size of DTCM enabled memory block */
201 #define	AT91_MATRIX_TCMR_DTCM_0		0x00000000
202 #define	AT91_MATRIX_TCMR_DTCM_16	0x00000050
203 #define	AT91_MATRIX_TCMR_DTCM_32	0x00000060
204 #define	AT91_MATRIX_TCMR_DTCM_64	0x00000070
205 #endif
206 
207 #if defined(CONFIG_AT91SAM9G45)
208 /* Video Mode Configuration Register */
209 #define	AT91C_MATRIX_VDEC_SEL_OFF	0x00000000
210 #define	AT91C_MATRIX_VDEC_SEL_ON	0x00000001
211 /* Write Protect Mode Register */
212 #define	AT91_MATRIX_WPMR_WP_WPDIS	0x00000000
213 #define	AT91_MATRIX_WPMR_WP_WPEN	0x00000001
214 #define	AT91_MATRIX_WPMR_WPKEY		0xFFFFFF00	/* Write Protect KEY */
215 /* Write Protect Status Register */
216 #define	AT91_MATRIX_WPSR_NO_WPV		0x00000000
217 #define	AT91_MATRIX_WPSR_WPV		0x00000001
218 #define	AT91_MATRIX_WPSR_WPVSRC		0x00FFFF00	/* Write Protect Violation Source */
219 #endif
220 
221 /* USB Pad Pull-Up Control Register */
222 #if defined(CONFIG_AT91SAM9261)
223 #define	AT91_MATRIX_USBPUCR_PUON	0x40000000
224 #endif
225 
226 #define AT91_MATRIX_PRA_M0(x)	((x & 3) << 0)	/* Master 0 Priority Reg. A*/
227 #define AT91_MATRIX_PRA_M1(x)	((x & 3) << 4)	/* Master 1 Priority Reg. A*/
228 #define AT91_MATRIX_PRA_M2(x)	((x & 3) << 8)	/* Master 2 Priority Reg. A*/
229 #define AT91_MATRIX_PRA_M3(x)	((x & 3) << 12)	/* Master 3 Priority Reg. A*/
230 #define AT91_MATRIX_PRA_M4(x)	((x & 3) << 16)	/* Master 4 Priority Reg. A*/
231 #define AT91_MATRIX_PRA_M5(x)	((x & 3) << 20)	/* Master 5 Priority Reg. A*/
232 #define AT91_MATRIX_PRA_M6(x)	((x & 3) << 24)	/* Master 6 Priority Reg. A*/
233 #define AT91_MATRIX_PRA_M7(x)	((x & 3) << 28)	/* Master 7 Priority Reg. A*/
234 #define AT91_MATRIX_PRB_M8(x)	((x & 3) << 0)	/* Master 8 Priority Reg. B) */
235 #define AT91_MATRIX_PRB_M9(x)	((x & 3) << 4)	/* Master 9 Priority Reg. B) */
236 #define AT91_MATRIX_PRB_M10(x)	((x & 3) << 8)	/* Master 10 Priority Reg. B) */
237 
238 #endif
239