diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx')
| -rw-r--r-- | arch/arm/plat-s3c24xx/include/plat/pll.h | 62 |
1 files changed, 0 insertions, 62 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 005729a1077..00000000000 --- a/arch/arm/plat-s3c24xx/include/plat/pll.h +++ /dev/null @@ -1,62 +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; -} - -#define S3C2416_PLL_M_SHIFT (14) -#define S3C2416_PLL_P_SHIFT (5) -#define S3C2416_PLL_S_MASK (7) -#define S3C2416_PLL_M_MASK ((1 << 10) - 1) -#define S3C2416_PLL_P_MASK (63) - -static inline unsigned int -s3c2416_get_pll(unsigned int pllval, unsigned int baseclk) -{ - unsigned int m, p, s; - uint64_t fvco; - - m = pllval >> S3C2416_PLL_M_SHIFT; - p = pllval >> S3C2416_PLL_P_SHIFT; - - s = pllval & S3C2416_PLL_S_MASK; - m &= S3C2416_PLL_M_MASK; - p &= S3C2416_PLL_P_MASK; - - fvco = (uint64_t)baseclk * m; - do_div(fvco, (p << s)); - - return (unsigned int)fvco; -} |