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14 #ifndef _ASM_C6X_CLOCK_H
15 #define _ASM_C6X_CLOCK_H
16
17 #ifndef __ASSEMBLER__
18
19 #include <linux/list.h>
20
21
22 #define PLLCTL 0x100
23 #define PLLM 0x110
24 #define PLLPRE 0x114
25 #define PLLDIV1 0x118
26 #define PLLDIV2 0x11c
27 #define PLLDIV3 0x120
28 #define PLLPOST 0x128
29 #define PLLCMD 0x138
30 #define PLLSTAT 0x13c
31 #define PLLALNCTL 0x140
32 #define PLLDCHANGE 0x144
33 #define PLLCKEN 0x148
34 #define PLLCKSTAT 0x14c
35 #define PLLSYSTAT 0x150
36 #define PLLDIV4 0x160
37 #define PLLDIV5 0x164
38 #define PLLDIV6 0x168
39 #define PLLDIV7 0x16c
40 #define PLLDIV8 0x170
41 #define PLLDIV9 0x174
42 #define PLLDIV10 0x178
43 #define PLLDIV11 0x17c
44 #define PLLDIV12 0x180
45 #define PLLDIV13 0x184
46 #define PLLDIV14 0x188
47 #define PLLDIV15 0x18c
48 #define PLLDIV16 0x190
49
50
51 #define PLLM_PLLM_MASK 0xff
52 #define PLLM_VAL(x) ((x) - 1)
53
54
55 #define PLLPREDIV_EN BIT(15)
56 #define PLLPREDIV_VAL(x) ((x) - 1)
57
58
59 #define PLLCTL_PLLEN BIT(0)
60 #define PLLCTL_PLLPWRDN BIT(1)
61 #define PLLCTL_PLLRST BIT(3)
62 #define PLLCTL_PLLDIS BIT(4)
63 #define PLLCTL_PLLENSRC BIT(5)
64 #define PLLCTL_CLKMODE BIT(8)
65
66
67 #define PLLCMD_GOSTAT BIT(0)
68
69
70 #define PLLSTAT_GOSTAT BIT(0)
71
72
73 #define PLLDIV_EN BIT(15)
74 #define PLLDIV_RATIO_MASK 0x1f
75 #define PLLDIV_RATIO(x) ((x) - 1)
76
77 struct pll_data;
78
79 struct clk {
80 struct list_head node;
81 struct module *owner;
82 const char *name;
83 unsigned long rate;
84 int usecount;
85 u32 flags;
86 struct clk *parent;
87 struct list_head children;
88 struct list_head childnode;
89 struct pll_data *pll_data;
90 u32 div;
91 unsigned long (*recalc) (struct clk *);
92 int (*set_rate) (struct clk *clk, unsigned long rate);
93 int (*round_rate) (struct clk *clk, unsigned long rate);
94 };
95
96
97 #define ALWAYS_ENABLED BIT(1)
98 #define CLK_PLL BIT(2)
99 #define PRE_PLL BIT(3)
100 #define FIXED_DIV_PLL BIT(4)
101 #define FIXED_RATE_PLL BIT(5)
102
103 #define MAX_PLL_SYSCLKS 16
104
105 struct pll_data {
106 void __iomem *base;
107 u32 num;
108 u32 flags;
109 u32 input_rate;
110 u32 bypass_delay;
111 u32 reset_delay;
112 u32 lock_delay;
113 struct clk sysclks[MAX_PLL_SYSCLKS + 1];
114 };
115
116
117 #define PLL_HAS_PRE BIT(0)
118 #define PLL_HAS_MUL BIT(1)
119 #define PLL_HAS_POST BIT(2)
120
121 #define CLK(dev, con, ck) \
122 { \
123 .dev_id = dev, \
124 .con_id = con, \
125 .clk = ck, \
126 } \
127
128 extern void c6x_clks_init(struct clk_lookup *clocks);
129 extern int clk_register(struct clk *clk);
130 extern void clk_unregister(struct clk *clk);
131 extern void c64x_setup_clocks(void);
132
133 extern struct pll_data c6x_soc_pll1;
134
135 extern struct clk clkin1;
136 extern struct clk c6x_core_clk;
137 extern struct clk c6x_i2c_clk;
138 extern struct clk c6x_watchdog_clk;
139 extern struct clk c6x_mcbsp1_clk;
140 extern struct clk c6x_mcbsp2_clk;
141 extern struct clk c6x_mdio_clk;
142
143 #endif
144
145 #endif