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1 /*
2  * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_pmc.h]
3  *
4  * Copyright (C) 2005 Ivan Kokshaysky
5  * Copyright (C) SAN People
6  * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de)
7  *
8  * Power Management Controller (PMC) - System peripherals registers.
9  * Based on AT91RM9200 datasheet revision E.
10  *
11  * SPDX-License-Identifier:     GPL-2.0+
12  */
13
14 #ifndef AT91_PMC_H
15 #define AT91_PMC_H
16
17 #define AT91_ASM_PMC_MOR        (ATMEL_BASE_PMC + 0x20)
18 #define AT91_ASM_PMC_PLLAR      (ATMEL_BASE_PMC + 0x28)
19 #define AT91_ASM_PMC_PLLBR      (ATMEL_BASE_PMC + 0x2c)
20 #define AT91_ASM_PMC_MCKR       (ATMEL_BASE_PMC + 0x30)
21 #define AT91_ASM_PMC_SR         (ATMEL_BASE_PMC + 0x68)
22
23 #ifndef __ASSEMBLY__
24
25 #include <asm/types.h>
26
27 typedef struct at91_pmc {
28         u32     scer;           /* 0x00 System Clock Enable Register */
29         u32     scdr;           /* 0x04 System Clock Disable Register */
30         u32     scsr;           /* 0x08 System Clock Status Register */
31         u32     reserved0;
32         u32     pcer;           /* 0x10 Peripheral Clock Enable Register */
33         u32     pcdr;           /* 0x14 Peripheral Clock Disable Register */
34         u32     pcsr;           /* 0x18 Peripheral Clock Status Register */
35         u32     uckr;           /* 0x1C UTMI Clock Register */
36         u32     mor;            /* 0x20 Main Oscilator Register */
37         u32     mcfr;           /* 0x24 Main Clock Frequency Register */
38         u32     pllar;          /* 0x28 PLL A Register */
39         u32     pllbr;          /* 0x2C PLL B Register */
40         u32     mckr;           /* 0x30 Master Clock Register */
41         u32     reserved1;
42         u32     usb;            /* 0x38 USB Clock Register */
43         u32     reserved2;
44         u32     pck[4];         /* 0x40 Programmable Clock Register 0 - 3 */
45         u32     reserved3[4];
46         u32     ier;            /* 0x60 Interrupt Enable Register */
47         u32     idr;            /* 0x64 Interrupt Disable Register */
48         u32     sr;             /* 0x68 Status Register */
49         u32     imr;            /* 0x6C Interrupt Mask Register */
50         u32     reserved4[4];
51         u32     pllicpr;        /* 0x80 Change Pump Current Register (SAM9) */
52         u32     reserved5[21];
53         u32     wpmr;           /* 0xE4 Write Protect Mode Register (CAP0) */
54         u32     wpsr;           /* 0xE8 Write Protect Status Register (CAP0) */
55 #ifdef CONFIG_SAMA5D3
56         u32     reserved6[8];
57         u32     pcer1;          /* 0x100 Periperial Clock Enable Register 1 */
58         u32     pcdr1;          /* 0x104 Periperial Clock Disable Register 1 */
59         u32     pcsr1;          /* 0x108 Periperial Clock Status Register 1 */
60         u32     pcr;            /* 0x10c Periperial Control Register */
61         u32     ocr;            /* 0x110 Oscillator Calibration Register */
62 #else
63         u32     reserved8[5];
64 #endif
65 } at91_pmc_t;
66
67 #endif  /* end not assembly */
68
69 #define AT91_PMC_MOR_MOSCEN             0x01
70 #define AT91_PMC_MOR_OSCBYPASS          0x02
71 #define AT91_PMC_MOR_OSCOUNT(x)         ((x & 0xff) << 8)
72
73 #define AT91_PMC_PLLXR_DIV(x)           (x & 0xFF)
74 #define AT91_PMC_PLLXR_PLLCOUNT(x)      ((x & 0x3F) << 8)
75 #define AT91_PMC_PLLXR_OUT(x)           ((x & 0x03) << 14)
76 #define AT91_PMC_PLLXR_MUL(x)           ((x & 0x7FF) << 16)
77 #define AT91_PMC_PLLAR_29               0x20000000
78 #define AT91_PMC_PLLBR_USBDIV_1         0x00000000
79 #define AT91_PMC_PLLBR_USBDIV_2         0x10000000
80 #define AT91_PMC_PLLBR_USBDIV_4         0x20000000
81
82 #define AT91_PMC_MCFR_MAINRDY           0x00010000
83 #define AT91_PMC_MCFR_MAINF_MASK        0x0000FFFF
84
85 #define AT91_PMC_MCKR_CSS_SLOW          0x00000000
86 #define AT91_PMC_MCKR_CSS_MAIN          0x00000001
87 #define AT91_PMC_MCKR_CSS_PLLA          0x00000002
88 #define AT91_PMC_MCKR_CSS_PLLB          0x00000003
89 #define AT91_PMC_MCKR_CSS_MASK          0x00000003
90
91 #ifdef CONFIG_SAMA5D3
92 #define AT91_PMC_MCKR_PRES_1            0x00000000
93 #define AT91_PMC_MCKR_PRES_2            0x00000010
94 #define AT91_PMC_MCKR_PRES_4            0x00000020
95 #define AT91_PMC_MCKR_PRES_8            0x00000030
96 #define AT91_PMC_MCKR_PRES_16           0x00000040
97 #define AT91_PMC_MCKR_PRES_32           0x00000050
98 #define AT91_PMC_MCKR_PRES_64           0x00000060
99 #define AT91_PMC_MCKR_PRES_MASK         0x00000070
100 #else
101 #define AT91_PMC_MCKR_PRES_1            0x00000000
102 #define AT91_PMC_MCKR_PRES_2            0x00000004
103 #define AT91_PMC_MCKR_PRES_4            0x00000008
104 #define AT91_PMC_MCKR_PRES_8            0x0000000C
105 #define AT91_PMC_MCKR_PRES_16           0x00000010
106 #define AT91_PMC_MCKR_PRES_32           0x00000014
107 #define AT91_PMC_MCKR_PRES_64           0x00000018
108 #define AT91_PMC_MCKR_PRES_MASK         0x0000001C
109 #endif
110
111 #ifdef CONFIG_AT91RM9200
112 #define AT91_PMC_MCKR_MDIV_1            0x00000000
113 #define AT91_PMC_MCKR_MDIV_2            0x00000100
114 #define AT91_PMC_MCKR_MDIV_3            0x00000200
115 #define AT91_PMC_MCKR_MDIV_4            0x00000300
116 #define AT91_PMC_MCKR_MDIV_MASK         0x00000300
117 #else
118 #define AT91_PMC_MCKR_MDIV_1            0x00000000
119 #define AT91_PMC_MCKR_MDIV_2            0x00000100
120 #ifdef CONFIG_SAMA5D3
121 #define AT91_PMC_MCKR_MDIV_3            0x00000300
122 #endif
123 #define AT91_PMC_MCKR_MDIV_4            0x00000200
124 #define AT91_PMC_MCKR_MDIV_MASK         0x00000300
125 #endif
126
127 #define AT91_PMC_MCKR_PLLADIV_1         0x00001000
128 #define AT91_PMC_MCKR_PLLADIV_2         0x00002000
129
130 #define AT91_PMC_IXR_MOSCS              0x00000001
131 #define AT91_PMC_IXR_LOCKA              0x00000002
132 #define AT91_PMC_IXR_LOCKB              0x00000004
133 #define AT91_PMC_IXR_MCKRDY             0x00000008
134 #define AT91_PMC_IXR_LOCKU              0x00000040
135 #define AT91_PMC_IXR_PCKRDY0            0x00000100
136 #define AT91_PMC_IXR_PCKRDY1            0x00000200
137 #define AT91_PMC_IXR_PCKRDY2            0x00000400
138 #define AT91_PMC_IXR_PCKRDY3            0x00000800
139
140 #ifdef CONFIG_AT91_LEGACY
141 #define AT91_PMC_SCER           (AT91_PMC + 0x00)       /* System Clock Enable Register */
142 #define AT91_PMC_SCDR           (AT91_PMC + 0x04)       /* System Clock Disable Register */
143
144 #define AT91_PMC_SCSR           (AT91_PMC + 0x08)       /* System Clock Status Register */
145 #endif
146
147 #define         AT91_PMC_PCK            (1 <<  0)               /* Processor Clock */
148 #define         AT91RM9200_PMC_UDP      (1 <<  1)               /* USB Devcice Port Clock [AT91RM9200 only] */
149 #define         AT91RM9200_PMC_MCKUDP   (1 <<  2)               /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
150 #define         AT91CAP9_PMC_DDR        (1 <<  2)               /* DDR Clock [AT91CAP9 revC only] */
151 #define         AT91RM9200_PMC_UHP      (1 <<  4)               /* USB Host Port Clock [AT91RM9200 only] */
152 #define         AT91SAM926x_PMC_UHP     (1 <<  6)               /* USB Host Port Clock [AT91SAM926x only] */
153 #define         AT91CAP9_PMC_UHP        (1 <<  6)               /* USB Host Port Clock [AT91CAP9 only] */
154 #define         AT91SAM926x_PMC_UDP     (1 <<  7)               /* USB Devcice Port Clock [AT91SAM926x only] */
155 #define         AT91_PMC_PCK0           (1 <<  8)               /* Programmable Clock 0 */
156 #define         AT91_PMC_PCK1           (1 <<  9)               /* Programmable Clock 1 */
157 #define         AT91_PMC_PCK2           (1 << 10)               /* Programmable Clock 2 */
158 #define         AT91_PMC_PCK3           (1 << 11)               /* Programmable Clock 3 */
159 #define         AT91_PMC_HCK0           (1 << 16)               /* AHB Clock (USB host) [AT91SAM9261 only] */
160 #define         AT91_PMC_HCK1           (1 << 17)               /* AHB Clock (LCD) [AT91SAM9261 only] */
161
162 #ifdef CONFIG_AT91_LEGACY
163 #define AT91_PMC_PCER           (AT91_PMC + 0x10)       /* Peripheral Clock Enable Register */
164 #define AT91_PMC_PCDR           (AT91_PMC + 0x14)       /* Peripheral Clock Disable Register */
165 #define AT91_PMC_PCSR           (AT91_PMC + 0x18)       /* Peripheral Clock Status Register */
166
167 #define AT91_CKGR_UCKR          (AT91_PMC + 0x1C)       /* UTMI Clock Register [SAM9RL, CAP9] */
168 #endif
169
170 #define         AT91_PMC_UPLLEN         (1   << 16)             /* UTMI PLL Enable */
171 #define         AT91_PMC_UPLLCOUNT      (0xf << 20)             /* UTMI PLL Start-up Time */
172 #define         AT91_PMC_BIASEN         (1   << 24)             /* UTMI BIAS Enable */
173 #define         AT91_PMC_BIASCOUNT      (0xf << 28)             /* UTMI PLL Start-up Time */
174
175 #ifdef CONFIG_AT91_LEGACY
176 #define AT91_CKGR_MOR           (AT91_PMC + 0x20)       /* Main Oscillator Register [not on SAM9RL] */
177 #endif
178 #define         AT91_PMC_MOSCEN         (1    << 0)             /* Main Oscillator Enable */
179 #define         AT91_PMC_OSCBYPASS      (1    << 1)             /* Oscillator Bypass [SAM9x, CAP9] */
180 #define         AT91_PMC_OSCOUNT        (0xff << 8)             /* Main Oscillator Start-up Time */
181 #ifdef CONFIG_AT91_LEGACY
182 #define AT91_CKGR_MCFR          (AT91_PMC + 0x24)       /* Main Clock Frequency Register */
183 #endif
184 #define         AT91_PMC_MAINF          (0xffff <<  0)          /* Main Clock Frequency */
185 #define         AT91_PMC_MAINRDY        (1      << 16)          /* Main Clock Ready */
186 #ifdef CONFIG_AT91_LEGACY
187 #define AT91_CKGR_PLLAR         (AT91_PMC + 0x28)       /* PLL A Register */
188 #define AT91_CKGR_PLLBR         (AT91_PMC + 0x2c)       /* PLL B Register */
189 #endif
190 #define         AT91_PMC_DIV            (0xff  <<  0)           /* Divider */
191 #define         AT91_PMC_PLLCOUNT       (0x3f  <<  8)           /* PLL Counter */
192 #define         AT91_PMC_OUT            (3     << 14)           /* PLL Clock Frequency Range */
193 #define         AT91_PMC_MUL            (0x7ff << 16)           /* PLL Multiplier */
194 #define         AT91_PMC_USBDIV         (3     << 28)           /* USB Divisor (PLLB only) */
195 #define                 AT91_PMC_USBDIV_1               (0 << 28)
196 #define                 AT91_PMC_USBDIV_2               (1 << 28)
197 #define                 AT91_PMC_USBDIV_4               (2 << 28)
198 #define         AT91_PMC_USB96M         (1     << 28)           /* Divider by 2 Enable (PLLB only) */
199 #define         AT91_PMC_PLLA_WR_ERRATA (1     << 29)           /* Bit 29 must always be set to 1 when programming the CKGR_PLLAR register */
200
201 #ifdef CONFIG_AT91_LEGACY
202 #define AT91_PMC_MCKR           (AT91_PMC + 0x30)       /* Master Clock Register */
203 #endif
204 #define         AT91_PMC_CSS            (3 <<  0)               /* Master Clock Selection */
205 #define                 AT91_PMC_CSS_SLOW               (0 << 0)
206 #define                 AT91_PMC_CSS_MAIN               (1 << 0)
207 #define                 AT91_PMC_CSS_PLLA               (2 << 0)
208 #define                 AT91_PMC_CSS_PLLB               (3 << 0)
209 #define         AT91_PMC_PRES           (7 <<  2)               /* Master Clock Prescaler */
210 #define                 AT91_PMC_PRES_1                 (0 << 2)
211 #define                 AT91_PMC_PRES_2                 (1 << 2)
212 #define                 AT91_PMC_PRES_4                 (2 << 2)
213 #define                 AT91_PMC_PRES_8                 (3 << 2)
214 #define                 AT91_PMC_PRES_16                (4 << 2)
215 #define                 AT91_PMC_PRES_32                (5 << 2)
216 #define                 AT91_PMC_PRES_64                (6 << 2)
217 #define         AT91_PMC_MDIV           (3 <<  8)               /* Master Clock Division */
218 #define                 AT91RM9200_PMC_MDIV_1           (0 << 8)        /* [AT91RM9200 only] */
219 #define                 AT91RM9200_PMC_MDIV_2           (1 << 8)
220 #define                 AT91RM9200_PMC_MDIV_3           (2 << 8)
221 #define                 AT91RM9200_PMC_MDIV_4           (3 << 8)
222 #define                 AT91SAM9_PMC_MDIV_1             (0 << 8)        /* [SAM9,CAP9 only] */
223 #define                 AT91SAM9_PMC_MDIV_2             (1 << 8)
224 #define                 AT91SAM9_PMC_MDIV_4             (2 << 8)
225 #define                 AT91SAM9_PMC_MDIV_3             (3 << 8)        /* [some SAM9 only] */
226 #define                 AT91SAM9_PMC_MDIV_6             (3 << 8)
227 #define         AT91_PMC_PDIV           (1 << 12)               /* Processor Clock Division [some SAM9 only] */
228 #define                 AT91_PMC_PDIV_1                 (0 << 12)
229 #define                 AT91_PMC_PDIV_2                 (1 << 12)
230
231 #ifdef CONFIG_AT91_LEGACY
232 #define         AT91_PMC_USB                    (AT91_PMC + 0x38)       /* USB Clock Register */
233 #endif
234 #define         AT91_PMC_USBS_USB_PLLA          (0x0)           /* USB Clock Input is PLLA */
235 #define         AT91_PMC_USBS_USB_UPLL          (0x1)           /* USB Clock Input is UPLL */
236 #define         AT91_PMC_USBDIV_8               (0x7 <<  8)     /* USB Clock divided by 8 */
237 #define         AT91_PMC_USBDIV_10              (0x9 <<  8)     /* USB Clock divided by 10 */
238
239 #ifdef CONFIG_AT91_LEGACY
240 #define AT91_PMC_PCKR(n)        (AT91_PMC + 0x40 + ((n) * 4))   /* Programmable Clock 0-3 Registers */
241
242 #define AT91_PMC_IER            (AT91_PMC + 0x60)       /* Interrupt Enable Register */
243 #define AT91_PMC_IDR            (AT91_PMC + 0x64)       /* Interrupt Disable Register */
244 #define AT91_PMC_SR             (AT91_PMC + 0x68)       /* Status Register */
245 #endif
246 #define         AT91_PMC_MOSCS          (1 <<  0)               /* MOSCS Flag */
247 #define         AT91_PMC_LOCKA          (1 <<  1)               /* PLLA Lock */
248 #define         AT91_PMC_LOCKB          (1 <<  2)               /* PLLB Lock */
249 #define         AT91_PMC_MCKRDY         (1 <<  3)               /* Master Clock */
250 #define         AT91_PMC_LOCKU          (1 <<  6)               /* UPLL Lock [AT91CAP9 only] */
251 #define         AT91_PMC_OSCSEL         (1 <<  7)               /* Slow Clock Oscillator [AT91CAP9 revC only] */
252 #define         AT91_PMC_PCK0RDY        (1 <<  8)               /* Programmable Clock 0 */
253 #define         AT91_PMC_PCK1RDY        (1 <<  9)               /* Programmable Clock 1 */
254 #define         AT91_PMC_PCK2RDY        (1 << 10)               /* Programmable Clock 2 */
255 #define         AT91_PMC_PCK3RDY        (1 << 11)               /* Programmable Clock 3 */
256 #ifdef CONFIG_AT91_LEGACY
257 #define AT91_PMC_IMR            (AT91_PMC + 0x6c)       /* Interrupt Mask Register */
258
259 #define AT91_PMC_PROT           (AT91_PMC + 0xe4)       /* Protect Register [AT91CAP9 revC only] */
260 #endif
261 #define         AT91_PMC_PROTKEY        0x504d4301      /* Activation Code */
262 #ifdef CONFIG_AT91_LEGACY
263 #define AT91_PMC_VER            (AT91_PMC + 0xfc)       /* PMC Module Version [AT91CAP9 only] */
264 #endif /* CONFIG_AT91_LEGACY */
265 #endif