• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * OMAP2/3 Clock Management (CM) register definitions
3  *
4  * Copyright (C) 2007-2009 Texas Instruments, Inc.
5  * Copyright (C) 2007-2010 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 CM hardware modules on the OMAP2/3 are quite similar to each
13  * other.  The CM modules/instances on OMAP4 are quite different, so
14  * they are handled in a separate file.
15  */
16 #ifndef __ARCH_ASM_MACH_OMAP2_CM3XXX_H
17 #define __ARCH_ASM_MACH_OMAP2_CM3XXX_H
18 
19 #include "prcm-common.h"
20 #include "cm2xxx_3xxx.h"
21 
22 #define OMAP34XX_CM_REGADDR(module, reg)				\
23 			OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
24 
25 
26 /*
27  * OMAP3-specific global CM registers
28  * Use cm_{read,write}_reg() with these registers.
29  * These registers appear once per CM module.
30  */
31 
32 #define OMAP3430_CM_SYSCONFIG		0x0010
33 #define OMAP3430_CM_POLCTRL		0x009c
34 
35 #define OMAP3_CM_CLKOUT_CTRL_OFFSET	0x0070
36 #define OMAP3430_CM_CLKOUT_CTRL		OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
37 
38 /*
39  * Module specific CM register offsets from CM_BASE + domain offset
40  * Use cm_{read,write}_mod_reg() with these registers.
41  * These register offsets generally appear in more than one PRCM submodule.
42  */
43 
44 /* OMAP3-specific register offsets */
45 
46 #define OMAP3430_CM_CLKEN_PLL				0x0004
47 #define OMAP3430ES2_CM_CLKEN2				0x0004
48 #define OMAP3430ES2_CM_FCLKEN3				0x0008
49 #define OMAP3430_CM_IDLEST_PLL				CM_IDLEST2
50 #define OMAP3430_CM_AUTOIDLE_PLL			CM_AUTOIDLE2
51 #define OMAP3430ES2_CM_AUTOIDLE2_PLL			CM_AUTOIDLE2
52 #define OMAP3430_CM_CLKSEL1				CM_CLKSEL
53 #define OMAP3430_CM_CLKSEL1_PLL				CM_CLKSEL
54 #define OMAP3430_CM_CLKSEL2_PLL				CM_CLKSEL2
55 #define OMAP3430_CM_SLEEPDEP				CM_CLKSEL2
56 #define OMAP3430_CM_CLKSEL3				OMAP2_CM_CLKSTCTRL
57 #define OMAP3430_CM_CLKSTST				0x004c
58 #define OMAP3430ES2_CM_CLKSEL4				0x004c
59 #define OMAP3430ES2_CM_CLKSEL5				0x0050
60 #define OMAP3430_CM_CLKSEL2_EMU				0x0050
61 #define OMAP3430_CM_CLKSEL3_EMU				0x0054
62 
63 
64 /* CM_IDLEST bit field values to indicate deasserted IdleReq */
65 
66 #define OMAP34XX_CM_IDLEST_VAL				1
67 
68 
69 #ifndef __ASSEMBLER__
70 
71 extern void omap3_cm_save_context(void);
72 extern void omap3_cm_restore_context(void);
73 extern void omap3_cm_save_scratchpad_contents(u32 *ptr);
74 
75 int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);
76 
77 #endif
78 
79 #endif
80