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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h')
-rw-r--r--include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h194
1 files changed, 194 insertions, 0 deletions
diff --git a/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h b/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h
new file mode 100644
index 000000000000..ff0536d2de42
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/regs-s3c2443-clock.h
@@ -0,0 +1,194 @@
1/* linux/include/asm-arm/arch-s3c2410/regs-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
41#define S3C2443_SWRST_RESET (0x533c2443)
42
43#define S3C2443_PLLCON_OFF (1<<24)
44
45#define S3C2443_CLKSRC_I2S_EXT (1<<14)
46#define S3C2443_CLKSRC_I2S_EPLLDIV (0<<14)
47#define S3C2443_CLKSRC_I2S_EPLLREF (2<<14)
48#define S3C2443_CLKSRC_I2S_EPLLREF3 (3<<14)
49#define S3C2443_CLKSRC_I2S_MASK (3<<14)
50
51#define S3C2443_CLKSRC_EPLLREF_XTAL (2<<8)
52#define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<8)
53#define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<8)
54#define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<8)
55#define S3C2443_CLKSRC_EPLLREF_MASK (3<<8)
56
57#define S3C2443_CLKSRC_ESYSCLK_EPLL (1<<6)
58#define S3C2443_CLKSRC_MSYSCLK_MPLL (1<<4)
59#define S3C2443_CLKSRC_EXTCLK_DIV (1<<3)
60
61#define S3C2443_CLKDIV0_DVS (1<<13)
62#define S3C2443_CLKDIV0_HALF_HCLK (1<<3)
63#define S3C2443_CLKDIV0_HALF_PCLK (1<<2)
64
65#define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0)
66
67#define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6)
68#define S3C2443_CLKDIV0_EXTDIV_SHIFT (6)
69
70#define S3C2443_CLKDIV0_PREDIV_MASK (3<<4)
71#define S3C2443_CLKDIV0_PREDIV_SHIFT (4)
72
73#define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9)
74#define S3C2443_CLKDIV0_ARMDIV_SHIFT (9)
75#define S3C2443_CLKDIV0_ARMDIV_1 (0<<9)
76#define S3C2443_CLKDIV0_ARMDIV_2 (8<<9)
77#define S3C2443_CLKDIV0_ARMDIV_3 (2<<9)
78#define S3C2443_CLKDIV0_ARMDIV_4 (9<<9)
79#define S3C2443_CLKDIV0_ARMDIV_6 (10<<9)
80#define S3C2443_CLKDIV0_ARMDIV_8 (11<<9)
81#define S3C2443_CLKDIV0_ARMDIV_12 (13<<9)
82#define S3C2443_CLKDIV0_ARMDIV_16 (15<<9)
83
84/* S3C2443_CLKDIV1 */
85
86#define S3C2443_CLKDIV1_CAMDIV_MASK (15<<26)
87#define S3C2443_CLKDIV1_CAMDIV_SHIFT (26)
88
89#define S3C2443_CLKDIV1_HSSPIDIV_MASK (3<<24)
90#define S3C2443_CLKDIV1_HSSPIDIV_SHIFT (24)
91
92#define S3C2443_CLKDIV1_DISPDIV_MASK (0xff<<16)
93#define S3C2443_CLKDIV1_DISPDIV_SHIFT (16)
94
95#define S3C2443_CLKDIV1_I2SDIV_MASK (15<<12)
96#define S3C2443_CLKDIV1_I2SDIV_SHIFT (12)
97
98#define S3C2443_CLKDIV1_UARTDIV_MASK (15<<8)
99#define S3C2443_CLKDIV1_UARTDIV_SHIFT (8)
100
101#define S3C2443_CLKDIV1_HSMMCDIV_MASK (3<<6)
102#define S3C2443_CLKDIV1_HSMMCDIV_SHIFT (6)
103
104#define S3C2443_CLKDIV1_USBHOSTDIV_MASK (3<<4)
105#define S3C2443_CLKDIV1_USBHOSTDIV_SHIFT (4)
106
107#define S3C2443_CLKCON_NAND
108
109#define S3C2443_HCLKCON_DMA0 (1<<0)
110#define S3C2443_HCLKCON_DMA1 (1<<1)
111#define S3C2443_HCLKCON_DMA2 (1<<2)
112#define S3C2443_HCLKCON_DMA3 (1<<3)
113#define S3C2443_HCLKCON_DMA4 (1<<4)
114#define S3C2443_HCLKCON_DMA5 (1<<5)
115#define S3C2443_HCLKCON_CAMIF (1<<8)
116#define S3C2443_HCLKCON_DISP (1<<9)
117#define S3C2443_HCLKCON_LCDC (1<<10)
118#define S3C2443_HCLKCON_USBH (1<<11)
119#define S3C2443_HCLKCON_USBD (1<<12)
120#define S3C2443_HCLKCON_HSMMC (1<<16)
121#define S3C2443_HCLKCON_CFC (1<<17)
122#define S3C2443_HCLKCON_SSMC (1<<18)
123#define S3C2443_HCLKCON_DRAMC (1<<19)
124
125#define S3C2443_PCLKCON_UART0 (1<<0)
126#define S3C2443_PCLKCON_UART1 (1<<1)
127#define S3C2443_PCLKCON_UART2 (1<<2)
128#define S3C2443_PCLKCON_UART3 (1<<3)
129#define S3C2443_PCLKCON_IIC (1<<4)
130#define S3C2443_PCLKCON_SDI (1<<5)
131#define S3C2443_PCLKCON_ADC (1<<7)
132#define S3C2443_PCLKCON_IIS (1<<9)
133#define S3C2443_PCLKCON_PWMT (1<<10)
134#define S3C2443_PCLKCON_WDT (1<<11)
135#define S3C2443_PCLKCON_RTC (1<<12)
136#define S3C2443_PCLKCON_GPIO (1<<13)
137#define S3C2443_PCLKCON_SPI0 (1<<14)
138#define S3C2443_PCLKCON_SPI1 (1<<15)
139
140#define S3C2443_SCLKCON_DDRCLK (1<<16)
141#define S3C2443_SCLKCON_SSMCCLK (1<<15)
142#define S3C2443_SCLKCON_HSSPICLK (1<<14)
143#define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13)
144#define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12)
145#define S3C2443_SCLKCON_CAMCLK (1<<11)
146#define S3C2443_SCLKCON_DISPCLK (1<<10)
147#define S3C2443_SCLKCON_I2SCLK (1<<9)
148#define S3C2443_SCLKCON_UARTCLK (1<<8)
149#define S3C2443_SCLKCON_USBHOST (1<<1)
150
151#include <asm/div64.h>
152
153static inline unsigned int
154s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk)
155{
156 unsigned int mdiv, pdiv, sdiv;
157 uint64_t fvco;
158
159 mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
160 pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
161 sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
162
163 mdiv &= S3C2443_PLLCON_MDIVMASK;
164 pdiv &= S3C2443_PLLCON_PDIVMASK;
165 sdiv &= S3C2443_PLLCON_SDIVMASK;
166
167 fvco = (uint64_t)baseclk * (2 * (mdiv + 8));
168 do_div(fvco, pdiv << sdiv);
169
170 return (unsigned int)fvco;
171}
172
173static inline unsigned int
174s3c2443_get_epll(unsigned int pllval, unsigned int baseclk)
175{
176 unsigned int mdiv, pdiv, sdiv;
177 uint64_t fvco;
178
179 mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT;
180 pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT;
181 sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT;
182
183 mdiv &= S3C2443_PLLCON_MDIVMASK;
184 pdiv &= S3C2443_PLLCON_PDIVMASK;
185 sdiv &= S3C2443_PLLCON_SDIVMASK;
186
187 fvco = (uint64_t)baseclk * (mdiv + 8);
188 do_div(fvco, (pdiv + 2) << sdiv);
189
190 return (unsigned int)fvco;
191}
192
193#endif /* __ASM_ARM_REGS_S3C2443_CLOCK */
194