xref: /openbmc/linux/arch/arm/mach-omap2/prm.h (revision b04b4f78)
1 #ifndef __ARCH_ARM_MACH_OMAP2_PRM_H
2 #define __ARCH_ARM_MACH_OMAP2_PRM_H
3 
4 /*
5  * OMAP2/3 Power/Reset Management (PRM) register definitions
6  *
7  * Copyright (C) 2007 Texas Instruments, Inc.
8  * Copyright (C) 2007 Nokia Corporation
9  *
10  * Written by Paul Walmsley
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16 
17 #include "prcm-common.h"
18 
19 #ifndef __ASSEMBLER__
20 #define OMAP_PRM_REGADDR(module, reg)					\
21 			IO_ADDRESS(OMAP2_PRM_BASE + (module) + (reg))
22 #else
23 #define OMAP2420_PRM_REGADDR(module, reg)				\
24 			IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
25 #define OMAP2430_PRM_REGADDR(module, reg)				\
26 			IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
27 #define OMAP34XX_PRM_REGADDR(module, reg)				\
28 			IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
29 #endif
30 
31 /*
32  * Architecture-specific global PRM registers
33  * Use __raw_{read,write}l() with these registers.
34  *
35  * With a few exceptions, these are the register names beginning with
36  * PRCM_* on 24xx, and PRM_* on 34xx.  (The exceptions are the
37  * IRQSTATUS and IRQENABLE bits.)
38  *
39  */
40 
41 /* Global 24xx registers in GR_MOD (Same as OCP_MOD for 24xx) */
42 #define OMAP24XX_PRCM_VOLTCTRL_OFFSET		0x0050
43 #define OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET	0x0080
44 
45 /* 242x GR_MOD registers, use these only for assembly code */
46 #define OMAP242X_PRCM_VOLTCTRL		OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD,	\
47 						OMAP24XX_PRCM_VOLTCTRL_OFFSET)
48 #define OMAP242X_PRCM_CLKCFG_CTRL	OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD,	\
49 						OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET)
50 
51 /* 243x GR_MOD registers, use these only for assembly code */
52 #define OMAP243X_PRCM_VOLTCTRL		OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD,	\
53 						OMAP24XX_PRCM_VOLTCTRL_OFFSET)
54 #define OMAP243X_PRCM_CLKCFG_CTRL	OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD,	\
55 						OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET)
56 
57 /* These will disappear */
58 #define OMAP24XX_PRCM_REVISION		OMAP_PRM_REGADDR(OCP_MOD, 0x0000)
59 #define OMAP24XX_PRCM_SYSCONFIG		OMAP_PRM_REGADDR(OCP_MOD, 0x0010)
60 
61 #define OMAP24XX_PRCM_IRQSTATUS_MPU	OMAP_PRM_REGADDR(OCP_MOD, 0x0018)
62 #define OMAP24XX_PRCM_IRQENABLE_MPU	OMAP_PRM_REGADDR(OCP_MOD, 0x001c)
63 
64 #define OMAP24XX_PRCM_VOLTST		OMAP_PRM_REGADDR(OCP_MOD, 0x0054)
65 #define OMAP24XX_PRCM_CLKSRC_CTRL	OMAP_PRM_REGADDR(OCP_MOD, 0x0060)
66 #define OMAP24XX_PRCM_CLKOUT_CTRL	OMAP_PRM_REGADDR(OCP_MOD, 0x0070)
67 #define OMAP24XX_PRCM_CLKEMUL_CTRL	OMAP_PRM_REGADDR(OCP_MOD, 0x0078)
68 #define OMAP24XX_PRCM_CLKCFG_CTRL	OMAP_PRM_REGADDR(OCP_MOD, 0x0080)
69 #define OMAP24XX_PRCM_CLKCFG_STATUS	OMAP_PRM_REGADDR(OCP_MOD, 0x0084)
70 #define OMAP24XX_PRCM_VOLTSETUP		OMAP_PRM_REGADDR(OCP_MOD, 0x0090)
71 #define OMAP24XX_PRCM_CLKSSETUP		OMAP_PRM_REGADDR(OCP_MOD, 0x0094)
72 #define OMAP24XX_PRCM_POLCTRL		OMAP_PRM_REGADDR(OCP_MOD, 0x0098)
73 
74 #define OMAP3430_PRM_REVISION		OMAP_PRM_REGADDR(OCP_MOD, 0x0004)
75 #define OMAP3430_PRM_SYSCONFIG		OMAP_PRM_REGADDR(OCP_MOD, 0x0014)
76 
77 #define OMAP3430_PRM_IRQSTATUS_MPU	OMAP_PRM_REGADDR(OCP_MOD, 0x0018)
78 #define OMAP3430_PRM_IRQENABLE_MPU	OMAP_PRM_REGADDR(OCP_MOD, 0x001c)
79 
80 
81 #define OMAP3430_PRM_VC_SMPS_SA		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0020)
82 #define OMAP3430_PRM_VC_SMPS_VOL_RA	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0024)
83 #define OMAP3430_PRM_VC_SMPS_CMD_RA	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0028)
84 #define OMAP3430_PRM_VC_CMD_VAL_0	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x002c)
85 #define OMAP3430_PRM_VC_CMD_VAL_1	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0030)
86 #define OMAP3430_PRM_VC_CH_CONF		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0034)
87 #define OMAP3430_PRM_VC_I2C_CFG		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0038)
88 #define OMAP3430_PRM_VC_BYPASS_VAL	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x003c)
89 #define OMAP3430_PRM_RSTCTRL		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0050)
90 #define OMAP3430_PRM_RSTTIME		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0054)
91 #define OMAP3430_PRM_RSTST		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0058)
92 #define OMAP3430_PRM_VOLTCTRL		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0060)
93 #define OMAP3430_PRM_SRAM_PCHARGE	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0064)
94 #define OMAP3430_PRM_CLKSRC_CTRL	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0070)
95 #define OMAP3430_PRM_VOLTSETUP1		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0090)
96 #define OMAP3430_PRM_VOLTOFFSET		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0094)
97 #define OMAP3430_PRM_CLKSETUP		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0098)
98 #define OMAP3430_PRM_POLCTRL		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x009c)
99 #define OMAP3430_PRM_VOLTSETUP2		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00a0)
100 #define OMAP3430_PRM_VP1_CONFIG		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b0)
101 #define OMAP3430_PRM_VP1_VSTEPMIN	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b4)
102 #define OMAP3430_PRM_VP1_VSTEPMAX	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b8)
103 #define OMAP3430_PRM_VP1_VLIMITTO	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00bc)
104 #define OMAP3430_PRM_VP1_VOLTAGE	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c0)
105 #define OMAP3430_PRM_VP1_STATUS		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c4)
106 #define OMAP3430_PRM_VP2_CONFIG		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d0)
107 #define OMAP3430_PRM_VP2_VSTEPMIN	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d4)
108 #define OMAP3430_PRM_VP2_VSTEPMAX	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d8)
109 #define OMAP3430_PRM_VP2_VLIMITTO	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00dc)
110 #define OMAP3430_PRM_VP2_VOLTAGE	OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e0)
111 #define OMAP3430_PRM_VP2_STATUS		OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e4)
112 
113 #define OMAP3430_PRM_CLKSEL		OMAP_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0040)
114 #define OMAP3430_PRM_CLKOUT_CTRL	OMAP_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
115 
116 /*
117  * Module specific PRM registers from PRM_BASE + domain offset
118  *
119  * Use prm_{read,write}_mod_reg() with these registers.
120  *
121  * With a few exceptions, these are the register names beginning with
122  * {PM,RM}_* on both architectures.  (The exceptions are the IRQSTATUS
123  * and IRQENABLE bits.)
124  *
125  */
126 
127 /* Registers appearing on both 24xx and 34xx */
128 
129 #define RM_RSTCTRL					0x0050
130 #define RM_RSTTIME					0x0054
131 #define RM_RSTST					0x0058
132 
133 #define PM_WKEN						0x00a0
134 #define PM_WKEN1					PM_WKEN
135 #define PM_WKST						0x00b0
136 #define PM_WKST1					PM_WKST
137 #define PM_WKDEP					0x00c8
138 #define PM_EVGENCTRL					0x00d4
139 #define PM_EVGENONTIM					0x00d8
140 #define PM_EVGENOFFTIM					0x00dc
141 #define PM_PWSTCTRL					0x00e0
142 #define PM_PWSTST					0x00e4
143 
144 /* Omap2 specific registers */
145 #define OMAP24XX_PM_WKEN2				0x00a4
146 #define OMAP24XX_PM_WKST2				0x00b4
147 
148 #define OMAP24XX_PRCM_IRQSTATUS_DSP			0x00f0	/* IVA mod */
149 #define OMAP24XX_PRCM_IRQENABLE_DSP			0x00f4	/* IVA mod */
150 #define OMAP24XX_PRCM_IRQSTATUS_IVA			0x00f8
151 #define OMAP24XX_PRCM_IRQENABLE_IVA			0x00fc
152 
153 /* Omap3 specific registers */
154 #define OMAP3430ES2_PM_WKEN3				0x00f0
155 #define OMAP3430ES2_PM_WKST3				0x00b8
156 
157 #define OMAP3430_PM_MPUGRPSEL				0x00a4
158 #define OMAP3430_PM_MPUGRPSEL1				OMAP3430_PM_MPUGRPSEL
159 
160 #define OMAP3430_PM_IVAGRPSEL				0x00a8
161 #define OMAP3430_PM_IVAGRPSEL1				OMAP3430_PM_IVAGRPSEL
162 
163 #define OMAP3430_PM_PREPWSTST				0x00e8
164 
165 #define OMAP3430_PRM_IRQSTATUS_IVA2			0x00f8
166 #define OMAP3430_PRM_IRQENABLE_IVA2			0x00fc
167 
168 
169 #ifndef __ASSEMBLER__
170 
171 /* Power/reset management domain register get/set */
172 extern u32 prm_read_mod_reg(s16 module, u16 idx);
173 extern void prm_write_mod_reg(u32 val, s16 module, u16 idx);
174 extern u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
175 
176 /* Read-modify-write bits in a PRM register (by domain) */
177 static inline u32 prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
178 {
179 	return prm_rmw_mod_reg_bits(bits, bits, module, idx);
180 }
181 
182 static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
183 {
184 	return prm_rmw_mod_reg_bits(bits, 0x0, module, idx);
185 }
186 
187 #endif
188 
189 /*
190  * Bits common to specific registers
191  *
192  * The 3430 register and bit names are generally used,
193  * since they tend to make more sense
194  */
195 
196 /* PM_EVGENONTIM_MPU */
197 /* Named PM_EVEGENONTIM_MPU on the 24XX */
198 #define OMAP_ONTIMEVAL_SHIFT				0
199 #define OMAP_ONTIMEVAL_MASK				(0xffffffff << 0)
200 
201 /* PM_EVGENOFFTIM_MPU */
202 /* Named PM_EVEGENOFFTIM_MPU on the 24XX */
203 #define OMAP_OFFTIMEVAL_SHIFT				0
204 #define OMAP_OFFTIMEVAL_MASK				(0xffffffff << 0)
205 
206 /* PRM_CLKSETUP and PRCM_VOLTSETUP */
207 /* Named PRCM_CLKSSETUP on the 24XX */
208 #define OMAP_SETUP_TIME_SHIFT				0
209 #define OMAP_SETUP_TIME_MASK				(0xffff << 0)
210 
211 /* PRM_CLKSRC_CTRL */
212 /* Named PRCM_CLKSRC_CTRL on the 24XX */
213 #define OMAP_SYSCLKDIV_SHIFT				6
214 #define OMAP_SYSCLKDIV_MASK				(0x3 << 6)
215 #define OMAP_AUTOEXTCLKMODE_SHIFT			3
216 #define OMAP_AUTOEXTCLKMODE_MASK			(0x3 << 3)
217 #define OMAP_SYSCLKSEL_SHIFT				0
218 #define OMAP_SYSCLKSEL_MASK				(0x3 << 0)
219 
220 /* PM_EVGENCTRL_MPU */
221 #define OMAP_OFFLOADMODE_SHIFT				3
222 #define OMAP_OFFLOADMODE_MASK				(0x3 << 3)
223 #define OMAP_ONLOADMODE_SHIFT				1
224 #define OMAP_ONLOADMODE_MASK				(0x3 << 1)
225 #define OMAP_ENABLE					(1 << 0)
226 
227 /* PRM_RSTTIME */
228 /* Named RM_RSTTIME_WKUP on the 24xx */
229 #define OMAP_RSTTIME2_SHIFT				8
230 #define OMAP_RSTTIME2_MASK				(0x1f << 8)
231 #define OMAP_RSTTIME1_SHIFT				0
232 #define OMAP_RSTTIME1_MASK				(0xff << 0)
233 
234 /* PRM_RSTCTRL */
235 /* Named RM_RSTCTRL_WKUP on the 24xx */
236 /* 2420 calls RST_DPLL3 'RST_DPLL' */
237 #define OMAP_RST_DPLL3					(1 << 2)
238 #define OMAP_RST_GS					(1 << 1)
239 
240 
241 /*
242  * Bits common to module-shared registers
243  *
244  * Not all registers of a particular type support all of these bits -
245  * check TRM if you are unsure
246  */
247 
248 /*
249  * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP
250  *
251  * 2430: PM_PWSTST_MDM
252  *
253  * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX,
254  *	 PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU,
255  *	 PM_PWSTST_NEON
256  */
257 #define OMAP_INTRANSITION				(1 << 20)
258 
259 
260 /*
261  * 24XX: PM_PWSTST_GFX, PM_PWSTST_DSP
262  *
263  * 2430: PM_PWSTST_MDM
264  *
265  * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX,
266  *	 PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU,
267  *	 PM_PWSTST_NEON
268  */
269 #define OMAP_POWERSTATEST_SHIFT				0
270 #define OMAP_POWERSTATEST_MASK				(0x3 << 0)
271 
272 /*
273  * 24XX: RM_RSTST_MPU and RM_RSTST_DSP - on 24XX, 'COREDOMAINWKUP_RST' is
274  *	 called 'COREWKUP_RST'
275  *
276  * 3430: RM_RSTST_IVA2, RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSS,
277  *	 RM_RSTST_CAM, RM_RSTST_PER, RM_RSTST_NEON
278  */
279 #define OMAP_COREDOMAINWKUP_RST				(1 << 3)
280 
281 /*
282  * 24XX: RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSP
283  *
284  * 2430: RM_RSTST_MDM
285  *
286  * 3430: RM_RSTST_CORE, RM_RSTST_EMU
287  */
288 #define OMAP_DOMAINWKUP_RST				(1 << 2)
289 
290 /*
291  * 24XX: RM_RSTST_MPU, RM_RSTST_WKUP, RM_RSTST_DSP
292  *	 On 24XX, 'GLOBALWARM_RST' is called 'GLOBALWMPU_RST'.
293  *
294  * 2430: RM_RSTST_MDM
295  *
296  * 3430: RM_RSTST_CORE, RM_RSTST_EMU
297  */
298 #define OMAP_GLOBALWARM_RST				(1 << 1)
299 #define OMAP_GLOBALCOLD_RST				(1 << 0)
300 
301 /*
302  * 24XX: PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_CORE, PM_WKDEP_DSP
303  *	 2420 TRM sometimes uses "EN_WAKEUP" instead of "EN_WKUP"
304  *
305  * 2430: PM_WKDEP_MDM
306  *
307  * 3430: PM_WKDEP_IVA2, PM_WKDEP_GFX, PM_WKDEP_DSS, PM_WKDEP_CAM,
308  *	 PM_WKDEP_PER
309  */
310 #define OMAP_EN_WKUP_SHIFT				4
311 #define OMAP_EN_WKUP_MASK				(1 << 4)
312 
313 /*
314  * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
315  *	 PM_PWSTCTRL_DSP
316  *
317  * 2430: PM_PWSTCTRL_MDM
318  *
319  * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
320  *	 PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER,
321  *	 PM_PWSTCTRL_NEON
322  */
323 #define OMAP_LOGICRETSTATE				(1 << 2)
324 
325 /*
326  * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
327  *       PM_PWSTCTRL_DSP, PM_PWSTST_MPU
328  *
329  * 2430: PM_PWSTCTRL_MDM shared bits
330  *
331  * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE,
332  *	 PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER,
333  *	 PM_PWSTCTRL_NEON shared bits
334  */
335 #define OMAP_POWERSTATE_SHIFT				0
336 #define OMAP_POWERSTATE_MASK				(0x3 << 0)
337 
338 
339 #endif
340