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C/C++ Source or Header | 2008-12-24 | 6.5 KB | 198 lines

/* arch/arm/mach-s3c2410/include/mach/regs-clock.h * * Copyright (c) 2003,2004,2005,2006 Simtec Electronics <linux@simtec.co.uk> * http://armlinux.simtec.co.uk/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * S3C2410 clock register definitions */ #ifndef __ASM_ARM_REGS_CLOCK #define __ASM_ARM_REGS_CLOCK #define S3C2410_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR) #define S3C2410_PLLVAL(_m,_p,_s) ((_m) << 12 | ((_p) << 4) | ((_s))) #define S3C2410_LOCKTIME S3C2410_CLKREG(0x00) #define S3C2410_MPLLCON S3C2410_CLKREG(0x04) #define S3C2410_UPLLCON S3C2410_CLKREG(0x08) #define S3C2410_CLKCON S3C2410_CLKREG(0x0C) #define S3C2410_CLKSLOW S3C2410_CLKREG(0x10) #define S3C2410_CLKDIVN S3C2410_CLKREG(0x14) #define S3C2410_CLKCON_IDLE (1<<2) #define S3C2410_CLKCON_POWER (1<<3) #define S3C2410_CLKCON_NAND (1<<4) #define S3C2410_CLKCON_LCDC (1<<5) #define S3C2410_CLKCON_USBH (1<<6) #define S3C2410_CLKCON_USBD (1<<7) #define S3C2410_CLKCON_PWMT (1<<8) #define S3C2410_CLKCON_SDI (1<<9) #define S3C2410_CLKCON_UART0 (1<<10) #define S3C2410_CLKCON_UART1 (1<<11) #define S3C2410_CLKCON_UART2 (1<<12) #define S3C2410_CLKCON_GPIO (1<<13) #define S3C2410_CLKCON_RTC (1<<14) #define S3C2410_CLKCON_ADC (1<<15) #define S3C2410_CLKCON_IIC (1<<16) #define S3C2410_CLKCON_IIS (1<<17) #define S3C2410_CLKCON_SPI (1<<18) #define S3C2410_PLLCON_MDIVSHIFT 12 #define S3C2410_PLLCON_PDIVSHIFT 4 #define S3C2410_PLLCON_SDIVSHIFT 0 #define S3C2410_PLLCON_MDIVMASK ((1<<(1+(19-12)))-1) #define S3C2410_PLLCON_PDIVMASK ((1<<5)-1) #define S3C2410_PLLCON_SDIVMASK 3 /* DCLKCON register addresses in gpio.h */ #define S3C2410_DCLKCON_DCLK0EN (1<<0) #define S3C2410_DCLKCON_DCLK0_PCLK (0<<1) #define S3C2410_DCLKCON_DCLK0_UCLK (1<<1) #define S3C2410_DCLKCON_DCLK0_DIV(x) (((x) - 1 )<<4) #define S3C2410_DCLKCON_DCLK0_CMP(x) (((x) - 1 )<<8) #define S3C2410_DCLKCON_DCLK0_DIV_MASK ((0xf)<<4) #define S3C2410_DCLKCON_DCLK0_CMP_MASK ((0xf)<<8) #define S3C2410_DCLKCON_DCLK1EN (1<<16) #define S3C2410_DCLKCON_DCLK1_PCLK (0<<17) #define S3C2410_DCLKCON_DCLK1_UCLK (1<<17) #define S3C2410_DCLKCON_DCLK1_DIV(x) (((x) - 1) <<20) #define S3C2410_DCLKCON_DCLK1_CMP(x) (((x) - 1) <<24) #define S3C2410_DCLKCON_DCLK1_DIV_MASK ((0xf) <<20) #define S3C2410_DCLKCON_DCLK1_CMP_MASK ((0xf) <<24) #define S3C2410_CLKDIVN_PDIVN (1<<0) #define S3C2410_CLKDIVN_HDIVN (1<<1) #define S3C2410_CLKSLOW_UCLK_OFF (1<<7) #define S3C2410_CLKSLOW_MPLL_OFF (1<<5) #define S3C2410_CLKSLOW_SLOW (1<<4) #define S3C2410_CLKSLOW_SLOWVAL(x) (x) #define S3C2410_CLKSLOW_GET_SLOWVAL(x) ((x) & 7) #ifndef __ASSEMBLY__ #include <asm/div64.h> static inline unsigned int s3c2410_get_pll(unsigned int pllval, unsigned int baseclk) { unsigned int mdiv, pdiv, sdiv; uint64_t fvco; mdiv = pllval >> S3C2410_PLLCON_MDIVSHIFT; pdiv = pllval >> S3C2410_PLLCON_PDIVSHIFT; sdiv = pllval >> S3C2410_PLLCON_SDIVSHIFT; mdiv &= S3C2410_PLLCON_MDIVMASK; pdiv &= S3C2410_PLLCON_PDIVMASK; sdiv &= S3C2410_PLLCON_SDIVMASK; fvco = (uint64_t)baseclk * (mdiv + 8); do_div(fvco, (pdiv + 2) << sdiv); return (unsigned int)fvco; } #endif /* __ASSEMBLY__ */ #if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) /* extra registers */ #define S3C2440_CAMDIVN S3C2410_CLKREG(0x18) #define S3C2440_CLKCON_CAMERA (1<<19) #define S3C2440_CLKCON_AC97 (1<<20) #define S3C2440_CLKDIVN_PDIVN (1<<0) #define S3C2440_CLKDIVN_HDIVN_MASK (3<<1) #define S3C2440_CLKDIVN_HDIVN_1 (0<<1) #define S3C2440_CLKDIVN_HDIVN_2 (1<<1) #define S3C2440_CLKDIVN_HDIVN_4_8 (2<<1) #define S3C2440_CLKDIVN_HDIVN_3_6 (3<<1) #define S3C2440_CLKDIVN_UCLK (1<<3) #define S3C2440_CAMDIVN_CAMCLK_MASK (0xf<<0) #define S3C2440_CAMDIVN_CAMCLK_SEL (1<<4) #define S3C2440_CAMDIVN_HCLK3_HALF (1<<8) #define S3C2440_CAMDIVN_HCLK4_HALF (1<<9) #define S3C2440_CAMDIVN_DVSEN (1<<12) #define S3C2442_CAMDIVN_CAMCLK_DIV3 (1<<5) #endif /* CONFIG_CPU_S3C2440 or CONFIG_CPU_S3C2442 */ #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) #define S3C2412_OSCSET S3C2410_CLKREG(0x18) #define S3C2412_CLKSRC S3C2410_CLKREG(0x1C) #define S3C2412_PLLCON_OFF (1<<20) #define S3C2412_CLKDIVN_PDIVN (1<<2) #define S3C2412_CLKDIVN_HDIVN_MASK (3<<0) #define S3C2412_CLKDIVN_ARMDIVN (1<<3) #define S3C2412_CLKDIVN_DVSEN (1<<4) #define S3C2412_CLKDIVN_HALFHCLK (1<<5) #define S3C2412_CLKDIVN_USB48DIV (1<<6) #define S3C2412_CLKDIVN_UARTDIV_MASK (15<<8) #define S3C2412_CLKDIVN_UARTDIV_SHIFT (8) #define S3C2412_CLKDIVN_I2SDIV_MASK (15<<12) #define S3C2412_CLKDIVN_I2SDIV_SHIFT (12) #define S3C2412_CLKDIVN_CAMDIV_MASK (15<<16) #define S3C2412_CLKDIVN_CAMDIV_SHIFT (16) #define S3C2412_CLKCON_WDT (1<<28) #define S3C2412_CLKCON_SPI (1<<27) #define S3C2412_CLKCON_IIS (1<<26) #define S3C2412_CLKCON_IIC (1<<25) #define S3C2412_CLKCON_ADC (1<<24) #define S3C2412_CLKCON_RTC (1<<23) #define S3C2412_CLKCON_GPIO (1<<22) #define S3C2412_CLKCON_UART2 (1<<21) #define S3C2412_CLKCON_UART1 (1<<20) #define S3C2412_CLKCON_UART0 (1<<19) #define S3C2412_CLKCON_SDI (1<<18) #define S3C2412_CLKCON_PWMT (1<<17) #define S3C2412_CLKCON_USBD (1<<16) #define S3C2412_CLKCON_CAMCLK (1<<15) #define S3C2412_CLKCON_UARTCLK (1<<14) /* missing 13 */ #define S3C2412_CLKCON_USB_HOST48 (1<<12) #define S3C2412_CLKCON_USB_DEV48 (1<<11) #define S3C2412_CLKCON_HCLKdiv2 (1<<10) #define S3C2412_CLKCON_HCLKx2 (1<<9) #define S3C2412_CLKCON_SDRAM (1<<8) /* missing 7 */ #define S3C2412_CLKCON_USBH S3C2410_CLKCON_USBH #define S3C2412_CLKCON_LCDC S3C2410_CLKCON_LCDC #define S3C2412_CLKCON_NAND S3C2410_CLKCON_NAND #define S3C2412_CLKCON_DMA3 (1<<3) #define S3C2412_CLKCON_DMA2 (1<<2) #define S3C2412_CLKCON_DMA1 (1<<1) #define S3C2412_CLKCON_DMA0 (1<<0) /* clock sourec controls */ #define S3C2412_CLKSRC_EXTCLKDIV_MASK (7 << 0) #define S3C2412_CLKSRC_EXTCLKDIV_SHIFT (0) #define S3C2412_CLKSRC_MDIVCLK_EXTCLKDIV (1<<3) #define S3C2412_CLKSRC_MSYSCLK_MPLL (1<<4) #define S3C2412_CLKSRC_USYSCLK_UPLL (1<<5) #define S3C2412_CLKSRC_UARTCLK_MPLL (1<<8) #define S3C2412_CLKSRC_I2SCLK_MPLL (1<<9) #define S3C2412_CLKSRC_USBCLK_HCLK (1<<10) #define S3C2412_CLKSRC_CAMCLK_HCLK (1<<11) #define S3C2412_CLKSRC_UREFCLK_EXTCLK (1<<12) #define S3C2412_CLKSRC_EREFCLK_EXTCLK (1<<14) #endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */ #endif /* __ASM_ARM_REGS_CLOCK */