xref: /openbmc/linux/arch/arm/mach-omap2/prm2xxx.h (revision 588b48ca)
1 /*
2  * OMAP2xxx Power/Reset Management (PRM) register definitions
3  *
4  * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
5  * Copyright (C) 2008-2010 Nokia Corporation
6  * Paul Walmsley
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * The PRM hardware modules on the OMAP2/3 are quite similar to each
13  * other.  The PRM on OMAP4 has a new register layout, and is handled
14  * in a separate file.
15  */
16 #ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
17 #define __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
18 
19 #include "prcm-common.h"
20 #include "prm.h"
21 #include "prm2xxx_3xxx.h"
22 
23 #define OMAP2420_PRM_REGADDR(module, reg)				\
24 		OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
25 #define OMAP2430_PRM_REGADDR(module, reg)				\
26 		OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
27 
28 /*
29  * OMAP2-specific global PRM registers
30  * Use {read,write}l_relaxed() with these registers.
31  *
32  * With a few exceptions, these are the register names beginning with
33  * PRCM_* on 24xx.  (The exceptions are the IRQSTATUS and IRQENABLE
34  * bits.)
35  *
36  */
37 
38 #define OMAP2_PRCM_REVISION_OFFSET	0x0000
39 #define OMAP2420_PRCM_REVISION		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0000)
40 #define OMAP2_PRCM_SYSCONFIG_OFFSET	0x0010
41 #define OMAP2420_PRCM_SYSCONFIG		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0010)
42 
43 #define OMAP2_PRCM_IRQSTATUS_MPU_OFFSET	0x0018
44 #define OMAP2420_PRCM_IRQSTATUS_MPU	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0018)
45 #define OMAP2_PRCM_IRQENABLE_MPU_OFFSET	0x001c
46 #define OMAP2420_PRCM_IRQENABLE_MPU	OMAP2420_PRM_REGADDR(OCP_MOD, 0x001c)
47 
48 #define OMAP2_PRCM_VOLTCTRL_OFFSET	0x0050
49 #define OMAP2420_PRCM_VOLTCTRL		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0050)
50 #define OMAP2_PRCM_VOLTST_OFFSET	0x0054
51 #define OMAP2420_PRCM_VOLTST		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0054)
52 #define OMAP2_PRCM_CLKSRC_CTRL_OFFSET	0x0060
53 #define OMAP2420_PRCM_CLKSRC_CTRL	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0060)
54 #define OMAP2_PRCM_CLKOUT_CTRL_OFFSET	0x0070
55 #define OMAP2420_PRCM_CLKOUT_CTRL	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0070)
56 #define OMAP2_PRCM_CLKEMUL_CTRL_OFFSET	0x0078
57 #define OMAP2420_PRCM_CLKEMUL_CTRL	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0078)
58 #define OMAP2_PRCM_CLKCFG_CTRL_OFFSET	0x0080
59 #define OMAP2420_PRCM_CLKCFG_CTRL	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0080)
60 #define OMAP2_PRCM_CLKCFG_STATUS_OFFSET	0x0084
61 #define OMAP2420_PRCM_CLKCFG_STATUS	OMAP2420_PRM_REGADDR(OCP_MOD, 0x0084)
62 #define OMAP2_PRCM_VOLTSETUP_OFFSET	0x0090
63 #define OMAP2420_PRCM_VOLTSETUP		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0090)
64 #define OMAP2_PRCM_CLKSSETUP_OFFSET	0x0094
65 #define OMAP2420_PRCM_CLKSSETUP		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0094)
66 #define OMAP2_PRCM_POLCTRL_OFFSET	0x0098
67 #define OMAP2420_PRCM_POLCTRL		OMAP2420_PRM_REGADDR(OCP_MOD, 0x0098)
68 
69 #define OMAP2430_PRCM_REVISION		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0000)
70 #define OMAP2430_PRCM_SYSCONFIG		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0010)
71 
72 #define OMAP2430_PRCM_IRQSTATUS_MPU	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0018)
73 #define OMAP2430_PRCM_IRQENABLE_MPU	OMAP2430_PRM_REGADDR(OCP_MOD, 0x001c)
74 
75 #define OMAP2430_PRCM_VOLTCTRL		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0050)
76 #define OMAP2430_PRCM_VOLTST		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0054)
77 #define OMAP2430_PRCM_CLKSRC_CTRL	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0060)
78 #define OMAP2430_PRCM_CLKOUT_CTRL	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0070)
79 #define OMAP2430_PRCM_CLKEMUL_CTRL	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0078)
80 #define OMAP2430_PRCM_CLKCFG_CTRL	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0080)
81 #define OMAP2430_PRCM_CLKCFG_STATUS	OMAP2430_PRM_REGADDR(OCP_MOD, 0x0084)
82 #define OMAP2430_PRCM_VOLTSETUP		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0090)
83 #define OMAP2430_PRCM_CLKSSETUP		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0094)
84 #define OMAP2430_PRCM_POLCTRL		OMAP2430_PRM_REGADDR(OCP_MOD, 0x0098)
85 
86 /*
87  * Module specific PRM register offsets from PRM_BASE + domain offset
88  *
89  * Use prm_{read,write}_mod_reg() with these registers.
90  *
91  * With a few exceptions, these are the register names beginning with
92  * {PM,RM}_* on both OMAP2/3 SoC families..  (The exceptions are the
93  * IRQSTATUS and IRQENABLE bits.)
94  */
95 
96 /* Register offsets appearing on both OMAP2 and OMAP3 */
97 
98 #define OMAP2_RM_RSTCTRL				0x0050
99 #define OMAP2_RM_RSTTIME				0x0054
100 #define OMAP2_RM_RSTST					0x0058
101 #define OMAP2_PM_PWSTCTRL				0x00e0
102 #define OMAP2_PM_PWSTST					0x00e4
103 
104 #define PM_WKEN						0x00a0
105 #define PM_WKEN1					PM_WKEN
106 #define PM_WKST						0x00b0
107 #define PM_WKST1					PM_WKST
108 #define PM_WKDEP					0x00c8
109 #define PM_EVGENCTRL					0x00d4
110 #define PM_EVGENONTIM					0x00d8
111 #define PM_EVGENOFFTIM					0x00dc
112 
113 /* OMAP2xxx specific register offsets */
114 #define OMAP24XX_PM_WKEN2				0x00a4
115 #define OMAP24XX_PM_WKST2				0x00b4
116 
117 #define OMAP24XX_PRCM_IRQSTATUS_DSP			0x00f0	/* IVA mod */
118 #define OMAP24XX_PRCM_IRQENABLE_DSP			0x00f4	/* IVA mod */
119 #define OMAP24XX_PRCM_IRQSTATUS_IVA			0x00f8
120 #define OMAP24XX_PRCM_IRQENABLE_IVA			0x00fc
121 
122 #ifndef __ASSEMBLER__
123 /* Function prototypes */
124 extern int omap2xxx_clkdm_sleep(struct clockdomain *clkdm);
125 extern int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm);
126 
127 extern void omap2xxx_prm_dpll_reset(void);
128 void omap2xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask);
129 
130 extern int __init omap2xxx_prm_init(void);
131 
132 #endif
133 
134 #endif
135