1 #ifndef __ARCH_ASM_MACH_OMAP2_CM_H
2 #define __ARCH_ASM_MACH_OMAP2_CM_H
5 * OMAP2/3 Clock Management (CM) register definitions
7 * Copyright (C) 2007-2008 Texas Instruments, Inc.
8 * Copyright (C) 2007-2008 Nokia Corporation
10 * Written by Paul Walmsley
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
19 #include "prcm-common.h"
22 #define OMAP_CM_REGADDR(module, reg) \
23 (void __iomem *)IO_ADDRESS(OMAP2_CM_BASE + (module) + (reg))
25 #define OMAP2420_CM_REGADDR(module, reg) \
26 IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
27 #define OMAP2430_CM_REGADDR(module, reg) \
28 IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
29 #define OMAP34XX_CM_REGADDR(module, reg) \
30 IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
34 * Architecture-specific global CM registers
35 * Use cm_{read,write}_reg() with these registers.
36 * These registers appear once per CM module.
39 #define OMAP3430_CM_REVISION OMAP_CM_REGADDR(OCP_MOD, 0x0000)
40 #define OMAP3430_CM_SYSCONFIG OMAP_CM_REGADDR(OCP_MOD, 0x0010)
41 #define OMAP3430_CM_POLCTRL OMAP_CM_REGADDR(OCP_MOD, 0x009c)
43 #define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
47 /* Read-modify-write bits in a CM register */
48 static __inline__ u32 __attribute__((unused)) cm_rmw_reg_bits(u32 mask,
49 u32 bits, void __iomem *va)
64 * Module specific CM registers from CM_BASE + domain offset
65 * Use cm_{read,write}_mod_reg() with these registers.
66 * These register offsets generally appear in more than one PRCM submodule.
69 /* Common between 24xx and 34xx */
71 #define CM_FCLKEN 0x0000
72 #define CM_FCLKEN1 CM_FCLKEN
73 #define CM_CLKEN CM_FCLKEN
74 #define CM_ICLKEN 0x0010
75 #define CM_ICLKEN1 CM_ICLKEN
76 #define CM_ICLKEN2 0x0014
77 #define CM_ICLKEN3 0x0018
78 #define CM_IDLEST 0x0020
79 #define CM_IDLEST1 CM_IDLEST
80 #define CM_IDLEST2 0x0024
81 #define CM_AUTOIDLE 0x0030
82 #define CM_AUTOIDLE1 CM_AUTOIDLE
83 #define CM_AUTOIDLE2 0x0034
84 #define CM_AUTOIDLE3 0x0038
85 #define CM_CLKSEL 0x0040
86 #define CM_CLKSEL1 CM_CLKSEL
87 #define CM_CLKSEL2 0x0044
88 #define CM_CLKSTCTRL 0x0048
90 /* Architecture-specific registers */
92 #define OMAP24XX_CM_FCLKEN2 0x0004
93 #define OMAP24XX_CM_ICLKEN4 0x001c
94 #define OMAP24XX_CM_AUTOIDLE4 0x003c
96 #define OMAP2430_CM_IDLEST3 0x0028
98 #define OMAP3430_CM_CLKEN_PLL 0x0004
99 #define OMAP3430ES2_CM_CLKEN2 0x0004
100 #define OMAP3430ES2_CM_FCLKEN3 0x0008
101 #define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
102 #define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
103 #define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
104 #define OMAP3430_CM_CLKSEL1 CM_CLKSEL
105 #define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
106 #define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
107 #define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
108 #define OMAP3430_CM_CLKSEL3 CM_CLKSTCTRL
109 #define OMAP3430_CM_CLKSTST 0x004c
110 #define OMAP3430ES2_CM_CLKSEL4 0x004c
111 #define OMAP3430ES2_CM_CLKSEL5 0x0050
112 #define OMAP3430_CM_CLKSEL2_EMU 0x0050
113 #define OMAP3430_CM_CLKSEL3_EMU 0x0054
116 /* Clock management domain register get/set */
118 #ifndef __ASSEMBLER__
119 static __inline__ void __attribute__((unused)) cm_write_mod_reg(u32 val,
122 __raw_writel(val, OMAP_CM_REGADDR(module, idx));
125 static __inline__ u32 __attribute__((unused)) cm_read_mod_reg(s16 module,
128 return __raw_readl(OMAP_CM_REGADDR(module, idx));
131 /* Read-modify-write bits in a CM register (by domain) */
132 static __inline__ u32 __attribute__((unused)) cm_rmw_mod_reg_bits(u32 mask,
133 u32 bits, s16 module, s16 idx)
135 return cm_rmw_reg_bits(mask, bits, OMAP_CM_REGADDR(module, idx));
138 static __inline__ u32 __attribute__((unused)) cm_set_mod_reg_bits(u32 bits,
141 return cm_rmw_mod_reg_bits(bits, bits, module, idx);
144 static __inline__ u32 __attribute__((unused)) cm_clear_mod_reg_bits(u32 bits,
147 return cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
152 /* CM register bits shared between 24XX and 3430 */
155 #define OMAP_CLKSEL_GFX_SHIFT 0
156 #define OMAP_CLKSEL_GFX_MASK (0x7 << 0)
159 #define OMAP_EN_GFX_SHIFT 0
160 #define OMAP_EN_GFX (1 << 0)
163 #define OMAP_ST_GFX (1 << 0)