Removed - arch/arm/plat-s3c24xx/include/plat/pll.h - arch/arm/mach-s3c64xx/include/mach/pll.h - arch/arm/plat-s5p/include/plat/pll.h - arch/arm/plat-samsung/include/plat/pll6553x.h And created - arch/arm/plat-samsung/include/plat/pll.h Cc: Ben Dooks <ben-linux@xxxxxxxxx> Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx> --- arch/arm/mach-s3c2410/mach-h1940.c | 6 +- arch/arm/mach-s3c2416/clock.c | 1 - arch/arm/mach-s3c64xx/clock.c | 5 +- arch/arm/mach-s3c64xx/include/mach/pll.h | 45 ----- arch/arm/plat-s3c24xx/include/plat/pll.h | 62 ------ arch/arm/plat-s5p/include/plat/pll.h | 153 -------------- arch/arm/plat-samsung/include/plat/pll.h | 262 +++++++++++++++++++++++++ arch/arm/plat-samsung/include/plat/pll6553x.h | 51 ----- 8 files changed, 268 insertions(+), 317 deletions(-) delete mode 100644 arch/arm/mach-s3c64xx/include/mach/pll.h delete mode 100644 arch/arm/plat-s3c24xx/include/plat/pll.h delete mode 100644 arch/arm/plat-s5p/include/plat/pll.h create mode 100644 arch/arm/plat-samsung/include/plat/pll.h delete mode 100644 arch/arm/plat-samsung/include/plat/pll6553x.h diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 2a2fa06..a9201ea 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -696,9 +696,9 @@ static void __init h1940_init(void) S3C2410_MISCCR_USBSUSPND0 | S3C2410_MISCCR_USBSUSPND1, 0x0); - tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT) - | (0x02 << S3C24XX_PLLCON_PDIVSHIFT) - | (0x03 << S3C24XX_PLLCON_SDIVSHIFT); + tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT) + | (0x02 << S3C24XX_PLL_PDIV_SHIFT) + | (0x03 << S3C24XX_PLL_SDIV_SHIFT); writel(tmp, S3C2410_UPLLCON); gpio_request(S3C2410_GPC(0), "LCD power"); diff --git a/arch/arm/mach-s3c2416/clock.c b/arch/arm/mach-s3c2416/clock.c index 21a5e81..c7b91d0 100644 --- a/arch/arm/mach-s3c2416/clock.c +++ b/arch/arm/mach-s3c2416/clock.c @@ -21,7 +21,6 @@ #include <plat/cpu.h> #include <plat/cpu-freq.h> -#include <plat/pll6553x.h> #include <plat/pll.h> #include <asm/mach/map.h> diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 8cf39e3..4adc51c 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -25,13 +25,13 @@ #include <mach/regs-sys.h> #include <mach/regs-clock.h> -#include <mach/pll.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/cpu-freq.h> #include <plat/clock.h> #include <plat/clock-clksrc.h> +#include <plat/pll.h> /* fin_apll, fin_mpll and fin_epll are all the same clock, which we call * ext_xtal_mux for want of an actual name from the manual. @@ -735,7 +735,8 @@ void __init_or_cpufreq s3c6400_setup_clocks(void) /* For now assume the mux always selects the crystal */ clk_ext_xtal_mux.parent = xtal_clk; - epll = s3c6400_get_epll(xtal); + epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0), + __raw_readl(S3C_EPLL_CON1)); mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); diff --git a/arch/arm/mach-s3c64xx/include/mach/pll.h b/arch/arm/mach-s3c64xx/include/mach/pll.h deleted file mode 100644 index 5ef0bb6..0000000 --- a/arch/arm/mach-s3c64xx/include/mach/pll.h +++ /dev/null @@ -1,45 +0,0 @@ -/* arch/arm/plat-s3c64xx/include/plat/pll.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@xxxxxxxxxxxx> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX PLL code - * - * 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. -*/ - -#define S3C6400_PLL_MDIV_MASK ((1 << (25-16+1)) - 1) -#define S3C6400_PLL_PDIV_MASK ((1 << (13-8+1)) - 1) -#define S3C6400_PLL_SDIV_MASK ((1 << (2-0+1)) - 1) -#define S3C6400_PLL_MDIV_SHIFT (16) -#define S3C6400_PLL_PDIV_SHIFT (8) -#define S3C6400_PLL_SDIV_SHIFT (0) - -#include <asm/div64.h> -#include <plat/pll6553x.h> - -static inline unsigned long s3c6400_get_pll(unsigned long baseclk, - u32 pllcon) -{ - u32 mdiv, pdiv, sdiv; - u64 fvco = baseclk; - - mdiv = (pllcon >> S3C6400_PLL_MDIV_SHIFT) & S3C6400_PLL_MDIV_MASK; - pdiv = (pllcon >> S3C6400_PLL_PDIV_SHIFT) & S3C6400_PLL_PDIV_MASK; - sdiv = (pllcon >> S3C6400_PLL_SDIV_SHIFT) & S3C6400_PLL_SDIV_MASK; - - fvco *= mdiv; - do_div(fvco, (pdiv << sdiv)); - - return (unsigned long)fvco; -} - -static inline unsigned long s3c6400_get_epll(unsigned long baseclk) -{ - return s3c_get_pll6553x(baseclk, __raw_readl(S3C_EPLL_CON0), - __raw_readl(S3C_EPLL_CON1)); -} 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 005729a..0000000 --- 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@xxxxxxxxxxxx> - * 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; -} diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h deleted file mode 100644 index bf28fad..0000000 --- a/arch/arm/plat-s5p/include/plat/pll.h +++ /dev/null @@ -1,153 +0,0 @@ -/* arch/arm/plat-s5p/include/plat/pll.h - * - * Copyright (c) 2009 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * S5P PLL code - * - * Based on arch/arm/plat-s3c64xx/include/plat/pll.h - * - * 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. -*/ - -#define PLL45XX_MDIV_MASK (0x3FF) -#define PLL45XX_PDIV_MASK (0x3F) -#define PLL45XX_SDIV_MASK (0x7) -#define PLL45XX_MDIV_SHIFT (16) -#define PLL45XX_PDIV_SHIFT (8) -#define PLL45XX_SDIV_SHIFT (0) - -#include <asm/div64.h> - -enum pll45xx_type_t { - pll_4500, - pll_4502, - pll_4508 -}; - -static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con, - enum pll45xx_type_t pll_type) -{ - u32 mdiv, pdiv, sdiv; - u64 fvco = baseclk; - - mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK; - pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK; - sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK; - - if (pll_type == pll_4508) - sdiv = sdiv - 1; - - fvco *= mdiv; - do_div(fvco, (pdiv << sdiv)); - - return (unsigned long)fvco; -} - -#define PLL46XX_KDIV_MASK (0xFFFF) -#define PLL4650C_KDIV_MASK (0xFFF) -#define PLL46XX_MDIV_MASK (0x1FF) -#define PLL46XX_PDIV_MASK (0x3F) -#define PLL46XX_SDIV_MASK (0x7) -#define PLL46XX_MDIV_SHIFT (16) -#define PLL46XX_PDIV_SHIFT (8) -#define PLL46XX_SDIV_SHIFT (0) - -enum pll46xx_type_t { - pll_4600, - pll_4650, - pll_4650c, -}; - -static inline unsigned long s5p_get_pll46xx(unsigned long baseclk, - u32 pll_con0, u32 pll_con1, - enum pll46xx_type_t pll_type) -{ - unsigned long result; - u32 mdiv, pdiv, sdiv, kdiv; - u64 tmp; - - mdiv = (pll_con0 >> PLL46XX_MDIV_SHIFT) & PLL46XX_MDIV_MASK; - pdiv = (pll_con0 >> PLL46XX_PDIV_SHIFT) & PLL46XX_PDIV_MASK; - sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK; - kdiv = pll_con1 & PLL46XX_KDIV_MASK; - - if (pll_type == pll_4650c) - kdiv = pll_con1 & PLL4650C_KDIV_MASK; - else - kdiv = pll_con1 & PLL46XX_KDIV_MASK; - - tmp = baseclk; - - if (pll_type == pll_4600) { - tmp *= (mdiv << 16) + kdiv; - do_div(tmp, (pdiv << sdiv)); - result = tmp >> 16; - } else { - tmp *= (mdiv << 10) + kdiv; - do_div(tmp, (pdiv << sdiv)); - result = tmp >> 10; - } - - return result; -} - -#define PLL90XX_MDIV_MASK (0xFF) -#define PLL90XX_PDIV_MASK (0x3F) -#define PLL90XX_SDIV_MASK (0x7) -#define PLL90XX_KDIV_MASK (0xffff) -#define PLL90XX_MDIV_SHIFT (16) -#define PLL90XX_PDIV_SHIFT (8) -#define PLL90XX_SDIV_SHIFT (0) -#define PLL90XX_KDIV_SHIFT (0) - -static inline unsigned long s5p_get_pll90xx(unsigned long baseclk, - u32 pll_con, u32 pll_conk) -{ - unsigned long result; - u32 mdiv, pdiv, sdiv, kdiv; - u64 tmp; - - mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK; - pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK; - sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK; - kdiv = pll_conk & PLL90XX_KDIV_MASK; - - /* We need to multiple baseclk by mdiv (the integer part) and kdiv - * which is in 2^16ths, so shift mdiv up (does not overflow) and - * add kdiv before multiplying. The use of tmp is to avoid any - * overflows before shifting bac down into result when multipling - * by the mdiv and kdiv pair. - */ - - tmp = baseclk; - tmp *= (mdiv << 16) + kdiv; - do_div(tmp, (pdiv << sdiv)); - result = tmp >> 16; - - return result; -} - -#define PLL65XX_MDIV_MASK (0x3FF) -#define PLL65XX_PDIV_MASK (0x3F) -#define PLL65XX_SDIV_MASK (0x7) -#define PLL65XX_MDIV_SHIFT (16) -#define PLL65XX_PDIV_SHIFT (8) -#define PLL65XX_SDIV_SHIFT (0) - -static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con) -{ - u32 mdiv, pdiv, sdiv; - u64 fvco = baseclk; - - mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK; - pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK; - sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK; - - fvco *= mdiv; - do_div(fvco, (pdiv << sdiv)); - - return (unsigned long)fvco; -} diff --git a/arch/arm/plat-samsung/include/plat/pll.h b/arch/arm/plat-samsung/include/plat/pll.h new file mode 100644 index 0000000..98dd15e --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/pll.h @@ -0,0 +1,262 @@ +/* linux/arch/arm/plat-samsung/include/plat/pll.h + * + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@xxxxxxxxxxxx> + * http://armlinux.simtec.co.uk/ + * + * Samsung PLL codes + * + * 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. +*/ + +#include <asm/div64.h> + +#define S3C24XX_PLL_MDIV_MASK (0xFF) +#define S3C24XX_PLL_PDIV_MASK (0x1F) +#define S3C24XX_PLL_SDIV_MASK (0x3) +#define S3C24XX_PLL_MDIV_SHIFT (12) +#define S3C24XX_PLL_PDIV_SHIFT (4) +#define S3C24XX_PLL_SDIV_SHIFT (0) + +static inline unsigned int s3c24xx_get_pll(unsigned int pllval, + unsigned int baseclk) +{ + unsigned int mdiv, pdiv, sdiv; + uint64_t fvco; + + mdiv = (pllval >> S3C24XX_PLL_MDIV_SHIFT) & S3C24XX_PLL_MDIV_MASK; + pdiv = (pllval >> S3C24XX_PLL_PDIV_SHIFT) & S3C24XX_PLL_PDIV_MASK; + sdiv = (pllval >> S3C24XX_PLL_SDIV_SHIFT) & S3C24XX_PLL_SDIV_MASK; + + fvco = (uint64_t)baseclk * (mdiv + 8); + do_div(fvco, (pdiv + 2) << sdiv); + + return (unsigned int)fvco; +} + +#define S3C2416_PLL_MDIV_MASK (0x3FF) +#define S3C2416_PLL_PDIV_MASK (0x3F) +#define S3C2416_PLL_SDIV_MASK (0x7) +#define S3C2416_PLL_MDIV_SHIFT (14) +#define S3C2416_PLL_PDIV_SHIFT (5) +#define S3C2416_PLL_SDIV_SHIFT (0) + +static inline unsigned int s3c2416_get_pll(unsigned int pllval, + unsigned int baseclk) +{ + unsigned int mdiv, pdiv, sdiv; + uint64_t fvco; + + mdiv = (pllval >> S3C2416_PLL_MDIV_SHIFT) & S3C2416_PLL_MDIV_MASK; + pdiv = (pllval >> S3C2416_PLL_PDIV_SHIFT) & S3C2416_PLL_PDIV_MASK; + sdiv = (pllval >> S3C2416_PLL_SDIV_SHIFT) & S3C2416_PLL_SDIV_MASK; + + fvco = (uint64_t)baseclk * mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned int)fvco; +} + +#define S3C6400_PLL_MDIV_MASK (0x3FF) +#define S3C6400_PLL_PDIV_MASK (0x3F) +#define S3C6400_PLL_SDIV_MASK (0x7) +#define S3C6400_PLL_MDIV_SHIFT (16) +#define S3C6400_PLL_PDIV_SHIFT (8) +#define S3C6400_PLL_SDIV_SHIFT (0) + +static inline unsigned long s3c6400_get_pll(unsigned long baseclk, + u32 pllcon) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pllcon >> S3C6400_PLL_MDIV_SHIFT) & S3C6400_PLL_MDIV_MASK; + pdiv = (pllcon >> S3C6400_PLL_PDIV_SHIFT) & S3C6400_PLL_PDIV_MASK; + sdiv = (pllcon >> S3C6400_PLL_SDIV_SHIFT) & S3C6400_PLL_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} + +#define PLL6553X_MDIV_MASK (0x7F) +#define PLL6553X_PDIV_MASK (0x1F) +#define PLL6553X_SDIV_MASK (0x3) +#define PLL6553X_KDIV_MASK (0xFFFF) +#define PLL6553X_MDIV_SHIFT (16) +#define PLL6553X_PDIV_SHIFT (8) +#define PLL6553X_SDIV_SHIFT (0) + +static inline unsigned long s3c_get_pll6553x(unsigned long baseclk, + u32 pll_con0, u32 pll_con1) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll_con0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK; + pdiv = (pll_con0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK; + sdiv = (pll_con0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK; + kdiv = pll_con1 & PLL6553X_KDIV_MASK; + + /* + * We need to multiple baseclk by mdiv (the integer part) and kdiv + * which is in 2^16ths, so shift mdiv up (does not overflow) and + * add kdiv before multiplying. The use of tmp is to avoid any + * overflows before shifting bac down into result when multipling + * by the mdiv and kdiv pair. + */ + + tmp = baseclk; + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} + +#define PLL45XX_MDIV_MASK (0x3FF) +#define PLL45XX_PDIV_MASK (0x3F) +#define PLL45XX_SDIV_MASK (0x7) +#define PLL45XX_MDIV_SHIFT (16) +#define PLL45XX_PDIV_SHIFT (8) +#define PLL45XX_SDIV_SHIFT (0) + +enum pll45xx_type_t { + pll_4500, + pll_4502, + pll_4508 +}; + +static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con, + enum pll45xx_type_t pll_type) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK; + pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK; + sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK; + + if (pll_type == pll_4508) + sdiv = sdiv - 1; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} + +#define PLL46XX_KDIV_MASK (0xFFFF) +#define PLL4650C_KDIV_MASK (0xFFF) +#define PLL46XX_MDIV_MASK (0x1FF) +#define PLL46XX_PDIV_MASK (0x3F) +#define PLL46XX_SDIV_MASK (0x7) +#define PLL46XX_MDIV_SHIFT (16) +#define PLL46XX_PDIV_SHIFT (8) +#define PLL46XX_SDIV_SHIFT (0) + +enum pll46xx_type_t { + pll_4600, + pll_4650, + pll_4650c, +}; + +static inline unsigned long s5p_get_pll46xx(unsigned long baseclk, + u32 pll_con0, u32 pll_con1, + enum pll46xx_type_t pll_type) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll_con0 >> PLL46XX_MDIV_SHIFT) & PLL46XX_MDIV_MASK; + pdiv = (pll_con0 >> PLL46XX_PDIV_SHIFT) & PLL46XX_PDIV_MASK; + sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK; + kdiv = pll_con1 & PLL46XX_KDIV_MASK; + + if (pll_type == pll_4650c) + kdiv = pll_con1 & PLL4650C_KDIV_MASK; + else + kdiv = pll_con1 & PLL46XX_KDIV_MASK; + + tmp = baseclk; + + if (pll_type == pll_4600) { + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + } else { + tmp *= (mdiv << 10) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 10; + } + + return result; +} + +#define PLL90XX_MDIV_MASK (0xFF) +#define PLL90XX_PDIV_MASK (0x3F) +#define PLL90XX_SDIV_MASK (0x7) +#define PLL90XX_KDIV_MASK (0xffff) +#define PLL90XX_MDIV_SHIFT (16) +#define PLL90XX_PDIV_SHIFT (8) +#define PLL90XX_SDIV_SHIFT (0) +#define PLL90XX_KDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll90xx(unsigned long baseclk, + u32 pll_con, u32 pll_conk) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK; + pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK; + sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK; + kdiv = pll_conk & PLL90XX_KDIV_MASK; + + /* + * We need to multiple baseclk by mdiv (the integer part) and kdiv + * which is in 2^16ths, so shift mdiv up (does not overflow) and + * add kdiv before multiplying. The use of tmp is to avoid any + * overflows before shifting bac down into result when multipling + * by the mdiv and kdiv pair. + */ + + tmp = baseclk; + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} + +#define PLL65XX_MDIV_MASK (0x3FF) +#define PLL65XX_PDIV_MASK (0x3F) +#define PLL65XX_SDIV_MASK (0x7) +#define PLL65XX_MDIV_SHIFT (16) +#define PLL65XX_PDIV_SHIFT (8) +#define PLL65XX_SDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK; + pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK; + sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} diff --git a/arch/arm/plat-samsung/include/plat/pll6553x.h b/arch/arm/plat-samsung/include/plat/pll6553x.h deleted file mode 100644 index b8b7e1d..0000000 --- a/arch/arm/plat-samsung/include/plat/pll6553x.h +++ /dev/null @@ -1,51 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/pll6553x.h - * partially from arch/arm/mach-s3c64xx/include/mach/pll.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@xxxxxxxxxxxx> - * http://armlinux.simtec.co.uk/ - * - * Samsung PLL6553x PLL code - * - * 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. -*/ - -/* S3C6400 and compatible (S3C2416, etc.) EPLL code */ - -#define PLL6553X_MDIV_MASK ((1 << (23-16)) - 1) -#define PLL6553X_PDIV_MASK ((1 << (13-8)) - 1) -#define PLL6553X_SDIV_MASK ((1 << (2-0)) - 1) -#define PLL6553X_MDIV_SHIFT (16) -#define PLL6553X_PDIV_SHIFT (8) -#define PLL6553X_SDIV_SHIFT (0) -#define PLL6553X_KDIV_MASK (0xffff) - -static inline unsigned long s3c_get_pll6553x(unsigned long baseclk, - u32 pll0, u32 pll1) -{ - unsigned long result; - u32 mdiv, pdiv, sdiv, kdiv; - u64 tmp; - - mdiv = (pll0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK; - pdiv = (pll0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK; - sdiv = (pll0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK; - kdiv = pll1 & PLL6553X_KDIV_MASK; - - /* We need to multiple baseclk by mdiv (the integer part) and kdiv - * which is in 2^16ths, so shift mdiv up (does not overflow) and - * add kdiv before multiplying. The use of tmp is to avoid any - * overflows before shifting bac down into result when multipling - * by the mdiv and kdiv pair. - */ - - tmp = baseclk; - tmp *= (mdiv << 16) + kdiv; - do_div(tmp, (pdiv << sdiv)); - result = tmp >> 16; - - return result; -} -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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