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C/C++ Source or Header | 2008-12-24 | 5.9 KB | 196 lines

/* arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h * * Copyright (c) 2007 Simtec Electronics * Ben Dooks <ben@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. * * S3C2443 clock register definitions */ #ifndef __ASM_ARM_REGS_S3C2443_CLOCK #define __ASM_ARM_REGS_S3C2443_CLOCK #define S3C2443_CLKREG(x) ((x) + S3C24XX_VA_CLKPWR) #define S3C2443_PLLCON_MDIVSHIFT 16 #define S3C2443_PLLCON_PDIVSHIFT 8 #define S3C2443_PLLCON_SDIVSHIFT 0 #define S3C2443_PLLCON_MDIVMASK ((1<<(1+(23-16)))-1) #define S3C2443_PLLCON_PDIVMASK ((1<<(1+(9-8)))-1) #define S3C2443_PLLCON_SDIVMASK (3) #define S3C2443_MPLLCON S3C2443_CLKREG(0x10) #define S3C2443_EPLLCON S3C2443_CLKREG(0x18) #define S3C2443_CLKSRC S3C2443_CLKREG(0x20) #define S3C2443_CLKDIV0 S3C2443_CLKREG(0x24) #define S3C2443_CLKDIV1 S3C2443_CLKREG(0x28) #define S3C2443_HCLKCON S3C2443_CLKREG(0x30) #define S3C2443_PCLKCON S3C2443_CLKREG(0x34) #define S3C2443_SCLKCON S3C2443_CLKREG(0x38) #define S3C2443_PWRMODE S3C2443_CLKREG(0x40) #define S3C2443_SWRST S3C2443_CLKREG(0x44) #define S3C2443_BUSPRI0 S3C2443_CLKREG(0x50) #define S3C2443_SYSID S3C2443_CLKREG(0x5C) #define S3C2443_PWRCFG S3C2443_CLKREG(0x60) #define S3C2443_RSTCON S3C2443_CLKREG(0x64) #define S3C2443_SWRST_RESET (0x533c2443) #define S3C2443_PLLCON_OFF (1<<24) #define S3C2443_CLKSRC_I2S_EXT (1<<14) #define S3C2443_CLKSRC_I2S_EPLLDIV (0<<14) #define S3C2443_CLKSRC_I2S_EPLLREF (2<<14) #define S3C2443_CLKSRC_I2S_EPLLREF3 (3<<14) #define S3C2443_CLKSRC_I2S_MASK (3<<14) #define S3C2443_CLKSRC_EPLLREF_XTAL (2<<7) #define S3C2443_CLKSRC_EPLLREF_EXTCLK (3<<7) #define S3C2443_CLKSRC_EPLLREF_MPLLREF (0<<7) #define S3C2443_CLKSRC_EPLLREF_MPLLREF2 (1<<7) #define S3C2443_CLKSRC_EPLLREF_MASK (3<<7) #define S3C2443_CLKSRC_ESYSCLK_EPLL (1<<6) #define S3C2443_CLKSRC_MSYSCLK_MPLL (1<<4) #define S3C2443_CLKSRC_EXTCLK_DIV (1<<3) #define S3C2443_CLKDIV0_DVS (1<<13) #define S3C2443_CLKDIV0_HALF_HCLK (1<<3) #define S3C2443_CLKDIV0_HALF_PCLK (1<<2) #define S3C2443_CLKDIV0_HCLKDIV_MASK (3<<0) #define S3C2443_CLKDIV0_EXTDIV_MASK (3<<6) #define S3C2443_CLKDIV0_EXTDIV_SHIFT (6) #define S3C2443_CLKDIV0_PREDIV_MASK (3<<4) #define S3C2443_CLKDIV0_PREDIV_SHIFT (4) #define S3C2443_CLKDIV0_ARMDIV_MASK (15<<9) #define S3C2443_CLKDIV0_ARMDIV_SHIFT (9) #define S3C2443_CLKDIV0_ARMDIV_1 (0<<9) #define S3C2443_CLKDIV0_ARMDIV_2 (8<<9) #define S3C2443_CLKDIV0_ARMDIV_3 (2<<9) #define S3C2443_CLKDIV0_ARMDIV_4 (9<<9) #define S3C2443_CLKDIV0_ARMDIV_6 (10<<9) #define S3C2443_CLKDIV0_ARMDIV_8 (11<<9) #define S3C2443_CLKDIV0_ARMDIV_12 (13<<9) #define S3C2443_CLKDIV0_ARMDIV_16 (15<<9) /* S3C2443_CLKDIV1 */ #define S3C2443_CLKDIV1_CAMDIV_MASK (15<<26) #define S3C2443_CLKDIV1_CAMDIV_SHIFT (26) #define S3C2443_CLKDIV1_HSSPIDIV_MASK (3<<24) #define S3C2443_CLKDIV1_HSSPIDIV_SHIFT (24) #define S3C2443_CLKDIV1_DISPDIV_MASK (0xff<<16) #define S3C2443_CLKDIV1_DISPDIV_SHIFT (16) #define S3C2443_CLKDIV1_I2SDIV_MASK (15<<12) #define S3C2443_CLKDIV1_I2SDIV_SHIFT (12) #define S3C2443_CLKDIV1_UARTDIV_MASK (15<<8) #define S3C2443_CLKDIV1_UARTDIV_SHIFT (8) #define S3C2443_CLKDIV1_HSMMCDIV_MASK (3<<6) #define S3C2443_CLKDIV1_HSMMCDIV_SHIFT (6) #define S3C2443_CLKDIV1_USBHOSTDIV_MASK (3<<4) #define S3C2443_CLKDIV1_USBHOSTDIV_SHIFT (4) #define S3C2443_CLKCON_NAND #define S3C2443_HCLKCON_DMA0 (1<<0) #define S3C2443_HCLKCON_DMA1 (1<<1) #define S3C2443_HCLKCON_DMA2 (1<<2) #define S3C2443_HCLKCON_DMA3 (1<<3) #define S3C2443_HCLKCON_DMA4 (1<<4) #define S3C2443_HCLKCON_DMA5 (1<<5) #define S3C2443_HCLKCON_CAMIF (1<<8) #define S3C2443_HCLKCON_DISP (1<<9) #define S3C2443_HCLKCON_LCDC (1<<10) #define S3C2443_HCLKCON_USBH (1<<11) #define S3C2443_HCLKCON_USBD (1<<12) #define S3C2443_HCLKCON_HSMMC (1<<16) #define S3C2443_HCLKCON_CFC (1<<17) #define S3C2443_HCLKCON_SSMC (1<<18) #define S3C2443_HCLKCON_DRAMC (1<<19) #define S3C2443_PCLKCON_UART0 (1<<0) #define S3C2443_PCLKCON_UART1 (1<<1) #define S3C2443_PCLKCON_UART2 (1<<2) #define S3C2443_PCLKCON_UART3 (1<<3) #define S3C2443_PCLKCON_IIC (1<<4) #define S3C2443_PCLKCON_SDI (1<<5) #define S3C2443_PCLKCON_ADC (1<<7) #define S3C2443_PCLKCON_AC97 (1<<8) #define S3C2443_PCLKCON_IIS (1<<9) #define S3C2443_PCLKCON_PWMT (1<<10) #define S3C2443_PCLKCON_WDT (1<<11) #define S3C2443_PCLKCON_RTC (1<<12) #define S3C2443_PCLKCON_GPIO (1<<13) #define S3C2443_PCLKCON_SPI0 (1<<14) #define S3C2443_PCLKCON_SPI1 (1<<15) #define S3C2443_SCLKCON_DDRCLK (1<<16) #define S3C2443_SCLKCON_SSMCCLK (1<<15) #define S3C2443_SCLKCON_HSSPICLK (1<<14) #define S3C2443_SCLKCON_HSMMCCLK_EXT (1<<13) #define S3C2443_SCLKCON_HSMMCCLK_EPLL (1<<12) #define S3C2443_SCLKCON_CAMCLK (1<<11) #define S3C2443_SCLKCON_DISPCLK (1<<10) #define S3C2443_SCLKCON_I2SCLK (1<<9) #define S3C2443_SCLKCON_UARTCLK (1<<8) #define S3C2443_SCLKCON_USBHOST (1<<1) #include <asm/div64.h> static inline unsigned int s3c2443_get_mpll(unsigned int pllval, unsigned int baseclk) { unsigned int mdiv, pdiv, sdiv; uint64_t fvco; mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; mdiv &= S3C2443_PLLCON_MDIVMASK; pdiv &= S3C2443_PLLCON_PDIVMASK; sdiv &= S3C2443_PLLCON_SDIVMASK; fvco = (uint64_t)baseclk * (2 * (mdiv + 8)); do_div(fvco, pdiv << sdiv); return (unsigned int)fvco; } static inline unsigned int s3c2443_get_epll(unsigned int pllval, unsigned int baseclk) { unsigned int mdiv, pdiv, sdiv; uint64_t fvco; mdiv = pllval >> S3C2443_PLLCON_MDIVSHIFT; pdiv = pllval >> S3C2443_PLLCON_PDIVSHIFT; sdiv = pllval >> S3C2443_PLLCON_SDIVSHIFT; mdiv &= S3C2443_PLLCON_MDIVMASK; pdiv &= S3C2443_PLLCON_PDIVMASK; sdiv &= S3C2443_PLLCON_SDIVMASK; fvco = (uint64_t)baseclk * (mdiv + 8); do_div(fvco, (pdiv + 2) << sdiv); return (unsigned int)fvco; } #endif /* __ASM_ARM_REGS_S3C2443_CLOCK */