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
71extern void omap3_cm_save_context(void);
72extern void omap3_cm_restore_context(void);
73extern void omap3_cm_save_scratchpad_contents(u32 *ptr);
74
75int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);
76
77#endif
78
79#endif