1 /* arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
2 *
3 * Copyright (c) 2007 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * S3C2443 clock register definitions
12 */
13
14 #ifndef __ASM_ARM_REGS_S3C2443_CLOCK
15 #define __ASM_ARM_REGS_S3C2443_CLOCK
16
17 #define S3C2443_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR)
18
19 #define S3C2443_PLLCON_MDIVSHIFT 16
20 #define S3C2443_PLLCON_PDIVSHIFT 8
21 #define S3C2443_PLLCON_SDIVSHIFT 0
22 #define S3C2443_PLLCON_MDIVMASK ((1<<(1+(23-16)))-1)
23 #define S3C2443_PLLCON_PDIVMASK ((1<<(1+(9-8)))-1)
24 #define S3C2443_PLLCON_SDIVMASK (3)
25
26 #define S3C2443_MPLLCON S3C2443_CLKREG(0x10)
27 #define S3C2443_EPLLCON S3C2443_CLKREG(0x18)
28 #define S3C2443_CLKSRC S3C2443_CLKREG(0x20)
29 #define S3C2443_CLKDIV0 S3C2443_CLKREG(0x24)
30 #define S3C2443_CLKDIV1 S3C2443_CLKREG(0x28)
31 #define S3C2443_HCLKCON S3C2443_CLKREG(0x30)
32 #define S3C2443_PCLKCON S3C2443_CLKREG(0x34)
33 #define S3C2443_SCLKCON S3C2443_CLKREG(0x38)
34 #define S3C2443_PWRMODE S3C2443_CLKREG(0x40)
35 #define S3C2443_SWRST S3C2443_CLKREG(0x44)
36 #define S3C2443_BUSPRI0 S3C2443_CLKREG(0x50)
37 #define S3C2443_SYSID S3C2443_CLKREG(0x5C)
38 #define S3C2443_PWRCFG S3C2443_CLKREG(0x60)
39 #define S3C2443_RSTCON S3C2443_CLKREG(0x64)
40 #define S3C2443_PHYCTRL S3C2443_CLKREG(0x80)
41 #define S3C2443_PHYPWR S3C2443_CLKREG(0x84)
42 #define S3C2443_URSTCON S3C2443_CLKREG(0x88)
43 #define S3C2443_UCLKCON S3C2443_CLKREG(0x8C)
44
45 #define S3C2443_PLLCON_OFF (1<<24)
46
47 #define S3C2443_CLKSRC_EPLLREF_XTAL (2<<7)
48 #define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<7)
49 #define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<7)
50 #define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7)
51 #define S3C2443_CLKSRC_EPLLREF_MASK (3<<7)
52
53 #define S3C2443_CLKSRC_EXTCLK_DIV (1<<3)
54
55 #define S3C2443_CLKDIV0_HALF_HCLK (1<<3)
56 #define S3C2443_CLKDIV0_HALF_PCLK (1<<2)
57
58 #define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0)
59
60 #define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6)
61 #define S3C2443_CLKDIV0_EXTDIV_SHIFT (6)
62
63 #define S3C2443_CLKDIV0_PREDIV_MASK (3<<4)
64 #define S3C2443_CLKDIV0_PREDIV_SHIFT (4)
65
66 #define S3C2416_CLKDIV0_ARMDIV_MASK (7 << 9)
67 #define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9)
68 #define S3C2443_CLKDIV0_ARMDIV_SHIFT (9)
69 #define S3C2443_CLKDIV0_ARMDIV_1 (0<<9)
70 #define S3C2443_CLKDIV0_ARMDIV_2 (8<<9)
71 #define S3C2443_CLKDIV0_ARMDIV_3 (2<<9)
72 #define S3C2443_CLKDIV0_ARMDIV_4 (9<<9)
73 #define S3C2443_CLKDIV0_ARMDIV_6 (10<<9)
74 #define S3C2443_CLKDIV0_ARMDIV_8 (11<<9)
75 #define S3C2443_CLKDIV0_ARMDIV_12 (13<<9)
76 #define S3C2443_CLKDIV0_ARMDIV_16 (15<<9)
77
78 /* S3C2443_CLKDIV1 removed, only used in clock.c code */
79
80 #define S3C2443_CLKCON_NAND
81
82 #define S3C2443_HCLKCON_DMA0 (1<<0)
83 #define S3C2443_HCLKCON_DMA1 (1<<1)
84 #define S3C2443_HCLKCON_DMA2 (1<<2)
85 #define S3C2443_HCLKCON_DMA3 (1<<3)
86 #define S3C2443_HCLKCON_DMA4 (1<<4)
87 #define S3C2443_HCLKCON_DMA5 (1<<5)
88 #define S3C2443_HCLKCON_CAMIF (1<<8)
89 #define S3C2443_HCLKCON_LCDC (1<<9)
90 #define S3C2443_HCLKCON_USBH (1<<11)
91 #define S3C2443_HCLKCON_USBD (1<<12)
92 #define S3C2416_HCLKCON_HSMMC0 (1<<15)
93 #define S3C2443_HCLKCON_HSMMC (1<<16)
94 #define S3C2443_HCLKCON_CFC (1<<17)
95 #define S3C2443_HCLKCON_SSMC (1<<18)
96 #define S3C2443_HCLKCON_DRAMC (1<<19)
97
98 #define S3C2443_PCLKCON_UART0 (1<<0)
99 #define S3C2443_PCLKCON_UART1 (1<<1)
100 #define S3C2443_PCLKCON_UART2 (1<<2)
101 #define S3C2443_PCLKCON_UART3 (1<<3)
102 #define S3C2443_PCLKCON_IIC (1<<4)
103 #define S3C2443_PCLKCON_SDI (1<<5)
104 #define S3C2443_PCLKCON_HSSPI (1<<6)
105 #define S3C2443_PCLKCON_ADC (1<<7)
106 #define S3C2443_PCLKCON_AC97 (1<<8)
107 #define S3C2443_PCLKCON_IIS (1<<9)
108 #define S3C2443_PCLKCON_PWMT (1<<10)
109 #define S3C2443_PCLKCON_WDT (1<<11)
110 #define S3C2443_PCLKCON_RTC (1<<12)
111 #define S3C2443_PCLKCON_GPIO (1<<13)
112 #define S3C2443_PCLKCON_SPI0 (1<<14)
113 #define S3C2443_PCLKCON_SPI1 (1<<15)
114
115 #define S3C2443_SCLKCON_DDRCLK (1<<16)
116 #define S3C2443_SCLKCON_SSMCCLK (1<<15)
117 #define S3C2443_SCLKCON_HSSPICLK (1<<14)
118 #define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13)
119 #define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12)
120 #define S3C2443_SCLKCON_CAMCLK (1<<11)
121 #define S3C2443_SCLKCON_DISPCLK (1<<10)
122 #define S3C2443_SCLKCON_I2SCLK (1<<9)
123 #define S3C2443_SCLKCON_UARTCLK (1<<8)
124 #define S3C2443_SCLKCON_USBHOST (1<<1)
125
126 #define S3C2443_PWRCFG_SLEEP (1<<15)
127
128 #define S3C2443_PWRCFG_USBPHY (1 << 4)
129
130 #define S3C2443_URSTCON_FUNCRST (1 << 2)
131 #define S3C2443_URSTCON_PHYRST (1 << 0)
132
133 #define S3C2443_PHYCTRL_CLKSEL (1 << 3)
134 #define S3C2443_PHYCTRL_EXTCLK (1 << 2)
135 #define S3C2443_PHYCTRL_PLLSEL (1 << 1)
136 #define S3C2443_PHYCTRL_DSPORT (1 << 0)
137
138 #define S3C2443_PHYPWR_COMMON_ON (1 << 31)
139 #define S3C2443_PHYPWR_ANALOG_PD (1 << 4)
140 #define S3C2443_PHYPWR_PLL_REFCLK (1 << 3)
141 #define S3C2443_PHYPWR_XO_ON (1 << 2)
142 #define S3C2443_PHYPWR_PLL_PWRDN (1 << 1)
143 #define S3C2443_PHYPWR_FSUSPEND (1 << 0)
144
145 #define S3C2443_UCLKCON_DETECT_VBUS (1 << 31)
146 #define S3C2443_UCLKCON_FUNC_CLKEN (1 << 2)
147 #define S3C2443_UCLKCON_TCLKEN (1 << 0)
148
149 #include <asm/div64.h>
150
151 static inline unsigned int
s3c2443_get_mpll(unsigned int pllval,unsigned int baseclk)152 s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk)
153 {
154 unsigned int mdiv, pdiv, sdiv;
155 uint64_t fvco;
156
157 mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
158 pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
159 sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
160
161 mdiv &= S3C2443_PLLCON_MDIVMASK;
162 pdiv &= S3C2443_PLLCON_PDIVMASK;
163 sdiv &= S3C2443_PLLCON_SDIVMASK;
164
165 fvco = (uint64_t)baseclk * (2 * (mdiv + 8));
166 do_div(fvco, pdiv << sdiv);
167
168 return (unsigned int)fvco;
169 }
170
171 static inline unsigned int
s3c2443_get_epll(unsigned int pllval,unsigned int baseclk)172 s3c2443_get_epll(unsigned int pllval, unsigned int baseclk)
173 {
174 unsigned int mdiv, pdiv, sdiv;
175 uint64_t fvco;
176
177 mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
178 pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
179 sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
180
181 mdiv &= S3C2443_PLLCON_MDIVMASK;
182 pdiv &= S3C2443_PLLCON_PDIVMASK;
183 sdiv &= S3C2443_PLLCON_SDIVMASK;
184
185 fvco = (uint64_t)baseclk * (mdiv + 8);
186 do_div(fvco, (pdiv + 2) << sdiv);
187
188 return (unsigned int)fvco;
189 }
190
191 #endif /* __ASM_ARM_REGS_S3C2443_CLOCK */
192
193