xref: /openbmc/linux/arch/arm/mach-omap2/cm3xxx.h (revision e7253313)
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 
68 extern void omap3_cm_save_context(void);
69 extern void omap3_cm_restore_context(void);
70 extern void omap3_cm_save_scratchpad_contents(u32 *ptr);
71 
72 int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);
73 
74 #endif
75 
76 #endif
77