1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * OMAP2/3 Clock Management (CM) register definitions
4 *
5 * Copyright (C) 2007-2009 Texas Instruments, Inc.
6 * Copyright (C) 2007-2010 Nokia Corporation
7 * Paul Walmsley
8 *
9 * The CM hardware modules on the OMAP2/3 are quite similar to each
10 * other.  The CM modules/instances on OMAP4 are quite different, so
11 * they are handled in a separate file.
12 */
13#ifndef __ARCH_ASM_MACH_OMAP2_CM3XXX_H
14#define __ARCH_ASM_MACH_OMAP2_CM3XXX_H
15
16#include "prcm-common.h"
17#include "cm2xxx_3xxx.h"
18
19#define OMAP34XX_CM_REGADDR(module, reg)				\
20			OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
21
22
23/*
24 * OMAP3-specific global CM registers
25 * Use cm_{read,write}_reg() with these registers.
26 * These registers appear once per CM module.
27 */
28
29#define OMAP3430_CM_SYSCONFIG		0x0010
30#define OMAP3430_CM_POLCTRL		0x009c
31
32#define OMAP3_CM_CLKOUT_CTRL_OFFSET	0x0070
33#define OMAP3430_CM_CLKOUT_CTRL		OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
34
35/*
36 * Module specific CM register offsets from CM_BASE + domain offset
37 * Use cm_{read,write}_mod_reg() with these registers.
38 * These register offsets generally appear in more than one PRCM submodule.
39 */
40
41/* OMAP3-specific register offsets */
42
43#define OMAP3430_CM_CLKEN_PLL				0x0004
44#define OMAP3430ES2_CM_CLKEN2				0x0004
45#define OMAP3430ES2_CM_FCLKEN3				0x0008
46#define OMAP3430_CM_IDLEST_PLL				CM_IDLEST2
47#define OMAP3430_CM_AUTOIDLE_PLL			CM_AUTOIDLE2
48#define OMAP3430ES2_CM_AUTOIDLE2_PLL			CM_AUTOIDLE2
49#define OMAP3430_CM_CLKSEL1				CM_CLKSEL
50#define OMAP3430_CM_CLKSEL1_PLL				CM_CLKSEL
51#define OMAP3430_CM_CLKSEL2_PLL				CM_CLKSEL2
52#define OMAP3430_CM_SLEEPDEP				CM_CLKSEL2
53#define OMAP3430_CM_CLKSEL3				OMAP2_CM_CLKSTCTRL
54#define OMAP3430_CM_CLKSTST				0x004c
55#define OMAP3430ES2_CM_CLKSEL4				0x004c
56#define OMAP3430ES2_CM_CLKSEL5				0x0050
57#define OMAP3430_CM_CLKSEL2_EMU				0x0050
58#define OMAP3430_CM_CLKSEL3_EMU				0x0054
59
60
61/* CM_IDLEST bit field values to indicate deasserted IdleReq */
62
63#define OMAP34XX_CM_IDLEST_VAL				1
64
65
66#ifndef __ASSEMBLER__
67
68extern void omap3_cm_save_context(void);
69extern void omap3_cm_restore_context(void);
70extern void omap3_cm_save_scratchpad_contents(u32 *ptr);
71
72int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);
73
74#endif
75
76#endif
77