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-rw-r--r--arch/arm/plat-s5p/include/plat/pll.h203
1 files changed, 0 insertions, 203 deletions
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
deleted file mode 100644
index 3e21b9444cc5..000000000000
--- a/arch/arm/plat-s5p/include/plat/pll.h
+++ /dev/null
@@ -1,203 +0,0 @@
1/* arch/arm/plat-s5p/include/plat/pll.h
2 *
3 * Copyright (c) 2009 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P PLL code
7 *
8 * Based on arch/arm/plat-s3c64xx/include/plat/pll.h
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <asm/div64.h>
16
17#define PLL35XX_MDIV_MASK (0x3FF)
18#define PLL35XX_PDIV_MASK (0x3F)
19#define PLL35XX_SDIV_MASK (0x7)
20#define PLL35XX_MDIV_SHIFT (16)
21#define PLL35XX_PDIV_SHIFT (8)
22#define PLL35XX_SDIV_SHIFT (0)
23
24static inline unsigned long s5p_get_pll35xx(unsigned long baseclk, u32 pll_con)
25{
26 u32 mdiv, pdiv, sdiv;
27 u64 fvco = baseclk;
28
29 mdiv = (pll_con >> PLL35XX_MDIV_SHIFT) & PLL35XX_MDIV_MASK;
30 pdiv = (pll_con >> PLL35XX_PDIV_SHIFT) & PLL35XX_PDIV_MASK;
31 sdiv = (pll_con >> PLL35XX_SDIV_SHIFT) & PLL35XX_SDIV_MASK;
32
33 fvco *= mdiv;
34 do_div(fvco, (pdiv << sdiv));
35
36 return (unsigned long)fvco;
37}
38
39#define PLL36XX_KDIV_MASK (0xFFFF)
40#define PLL36XX_MDIV_MASK (0x1FF)
41#define PLL36XX_PDIV_MASK (0x3F)
42#define PLL36XX_SDIV_MASK (0x7)
43#define PLL36XX_MDIV_SHIFT (16)
44#define PLL36XX_PDIV_SHIFT (8)
45#define PLL36XX_SDIV_SHIFT (0)
46
47static inline unsigned long s5p_get_pll36xx(unsigned long baseclk,
48 u32 pll_con0, u32 pll_con1)
49{
50 unsigned long result;
51 u32 mdiv, pdiv, sdiv, kdiv;
52 u64 tmp;
53
54 mdiv = (pll_con0 >> PLL36XX_MDIV_SHIFT) & PLL36XX_MDIV_MASK;
55 pdiv = (pll_con0 >> PLL36XX_PDIV_SHIFT) & PLL36XX_PDIV_MASK;
56 sdiv = (pll_con0 >> PLL36XX_SDIV_SHIFT) & PLL36XX_SDIV_MASK;
57 kdiv = pll_con1 & PLL36XX_KDIV_MASK;
58
59 tmp = baseclk;
60
61 tmp *= (mdiv << 16) + kdiv;
62 do_div(tmp, (pdiv << sdiv));
63 result = tmp >> 16;
64
65 return result;
66}
67
68#define PLL45XX_MDIV_MASK (0x3FF)
69#define PLL45XX_PDIV_MASK (0x3F)
70#define PLL45XX_SDIV_MASK (0x7)
71#define PLL45XX_MDIV_SHIFT (16)
72#define PLL45XX_PDIV_SHIFT (8)
73#define PLL45XX_SDIV_SHIFT (0)
74
75enum pll45xx_type_t {
76 pll_4500,
77 pll_4502,
78 pll_4508
79};
80
81static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con,
82 enum pll45xx_type_t pll_type)
83{
84 u32 mdiv, pdiv, sdiv;
85 u64 fvco = baseclk;
86
87 mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK;
88 pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK;
89 sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK;
90
91 if (pll_type == pll_4508)
92 sdiv = sdiv - 1;
93
94 fvco *= mdiv;
95 do_div(fvco, (pdiv << sdiv));
96
97 return (unsigned long)fvco;
98}
99
100#define PLL46XX_KDIV_MASK (0xFFFF)
101#define PLL4650C_KDIV_MASK (0xFFF)
102#define PLL46XX_MDIV_MASK (0x1FF)
103#define PLL46XX_PDIV_MASK (0x3F)
104#define PLL46XX_SDIV_MASK (0x7)
105#define PLL46XX_MDIV_SHIFT (16)
106#define PLL46XX_PDIV_SHIFT (8)
107#define PLL46XX_SDIV_SHIFT (0)
108
109enum pll46xx_type_t {
110 pll_4600,
111 pll_4650,
112 pll_4650c,
113};
114
115static inline unsigned long s5p_get_pll46xx(unsigned long baseclk,
116 u32 pll_con0, u32 pll_con1,
117 enum pll46xx_type_t pll_type)
118{
119 unsigned long result;
120 u32 mdiv, pdiv, sdiv, kdiv;
121 u64 tmp;
122
123 mdiv = (pll_con0 >> PLL46XX_MDIV_SHIFT) & PLL46XX_MDIV_MASK;
124 pdiv = (pll_con0 >> PLL46XX_PDIV_SHIFT) & PLL46XX_PDIV_MASK;
125 sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK;
126
127 if (pll_type == pll_4650c)
128 kdiv = pll_con1 & PLL4650C_KDIV_MASK;
129 else
130 kdiv = pll_con1 & PLL46XX_KDIV_MASK;
131
132 tmp = baseclk;
133
134 if (pll_type == pll_4600) {
135 tmp *= (mdiv << 16) + kdiv;
136 do_div(tmp, (pdiv << sdiv));
137 result = tmp >> 16;
138 } else {
139 tmp *= (mdiv << 10) + kdiv;
140 do_div(tmp, (pdiv << sdiv));
141 result = tmp >> 10;
142 }
143
144 return result;
145}
146
147#define PLL90XX_MDIV_MASK (0xFF)
148#define PLL90XX_PDIV_MASK (0x3F)
149#define PLL90XX_SDIV_MASK (0x7)
150#define PLL90XX_KDIV_MASK (0xffff)
151#define PLL90XX_MDIV_SHIFT (16)
152#define PLL90XX_PDIV_SHIFT (8)
153#define PLL90XX_SDIV_SHIFT (0)
154#define PLL90XX_KDIV_SHIFT (0)
155
156static inline unsigned long s5p_get_pll90xx(unsigned long baseclk,
157 u32 pll_con, u32 pll_conk)
158{
159 unsigned long result;
160 u32 mdiv, pdiv, sdiv, kdiv;
161 u64 tmp;
162
163 mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK;
164 pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK;
165 sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK;
166 kdiv = pll_conk & PLL90XX_KDIV_MASK;
167
168 /* We need to multiple baseclk by mdiv (the integer part) and kdiv
169 * which is in 2^16ths, so shift mdiv up (does not overflow) and
170 * add kdiv before multiplying. The use of tmp is to avoid any
171 * overflows before shifting bac down into result when multipling
172 * by the mdiv and kdiv pair.
173 */
174
175 tmp = baseclk;
176 tmp *= (mdiv << 16) + kdiv;
177 do_div(tmp, (pdiv << sdiv));
178 result = tmp >> 16;
179
180 return result;
181}
182
183#define PLL65XX_MDIV_MASK (0x3FF)
184#define PLL65XX_PDIV_MASK (0x3F)
185#define PLL65XX_SDIV_MASK (0x7)
186#define PLL65XX_MDIV_SHIFT (16)
187#define PLL65XX_PDIV_SHIFT (8)
188#define PLL65XX_SDIV_SHIFT (0)
189
190static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con)
191{
192 u32 mdiv, pdiv, sdiv;
193 u64 fvco = baseclk;
194
195 mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK;
196 pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK;
197 sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK;
198
199 fvco *= mdiv;
200 do_div(fvco, (pdiv << sdiv));
201
202 return (unsigned long)fvco;
203}
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