diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx/include/plat/pll.h')
| -rw-r--r-- | arch/arm/plat-s3c24xx/include/plat/pll.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/arm/plat-s3c24xx/include/plat/pll.h b/arch/arm/plat-s3c24xx/include/plat/pll.h deleted file mode 100644 index 7ea8bffa7a9..00000000000 --- a/arch/arm/plat-s3c24xx/include/plat/pll.h +++ /dev/null @@ -1,37 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h - * - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C24xx - common pll registers and code - */ - -#define S3C24XX_PLLCON_MDIVSHIFT 12 -#define S3C24XX_PLLCON_PDIVSHIFT 4 -#define S3C24XX_PLLCON_SDIVSHIFT 0 -#define S3C24XX_PLLCON_MDIVMASK ((1<<(1+(19-12)))-1) -#define S3C24XX_PLLCON_PDIVMASK ((1<<5)-1) -#define S3C24XX_PLLCON_SDIVMASK 3 - -#include <asm/div64.h> - -static inline unsigned int -s3c24xx_get_pll(unsigned int pllval, unsigned int baseclk) -{ - unsigned int mdiv, pdiv, sdiv; - uint64_t fvco; - - mdiv = pllval >> S3C24XX_PLLCON_MDIVSHIFT; - pdiv = pllval >> S3C24XX_PLLCON_PDIVSHIFT; - sdiv = pllval >> S3C24XX_PLLCON_SDIVSHIFT; - - mdiv &= S3C24XX_PLLCON_MDIVMASK; - pdiv &= S3C24XX_PLLCON_PDIVMASK; - sdiv &= S3C24XX_PLLCON_SDIVMASK; - - fvco = (uint64_t)baseclk * (mdiv + 8); - do_div(fvco, (pdiv + 2) << sdiv); - - return (unsigned int)fvco; -} |