diff options
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock24xx.c | 46 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock24xx.h | 37 |
4 files changed, 49 insertions, 62 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index b76c9fc1b8e9..a5b9564ea78e 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -1,20 +1,13 @@ /* * linux/arch/arm/mach-omap2/clock.c * - * Copyright (C) 2005 Texas Instruments Inc. - * Richard Woodruff <r-woodruff2@ti.com> - * Created for OMAP2. - * - * Cleaned up and modified to use omap shared clock framework by - * Tony Lindgren <tony@atomide.com> + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2008 Nokia Corporation * - * Copyright (C) 2007 Texas Instruments, Inc. - * Copyright (C) 2007 Nokia Corporation + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> * Paul Walmsley * - * Based on omap1 clock.c, Copyright (C) 2004 - 2005 Nokia corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> - * * 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. diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index d9cc99c466da..d5980a9e09a4 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -1,16 +1,11 @@ /* * linux/arch/arm/mach-omap2/clock.h * - * Copyright (C) 2005 Texas Instruments Inc. - * Richard Woodruff <r-woodruff2@ti.com> - * Created for OMAP2. - * - * Copyright (C) 2004 Nokia corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> - * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2008 Nokia Corporation * - * Copyright (C) 2007 Texas Instruments, Inc. - * Copyright (C) 2007 Nokia Corporation + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> * Paul Walmsley * * This program is free software; you can redistribute it and/or modify diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index 615b511c68c9..ece32d8acba4 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -1,15 +1,15 @@ /* * linux/arch/arm/mach-omap2/clock.c * - * Copyright (C) 2005 Texas Instruments Inc. - * Richard Woodruff <r-woodruff2@ti.com> - * Created for OMAP2. + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2008 Nokia Corporation * - * Cleaned up and modified to use omap shared clock framework by - * Tony Lindgren <tony@atomide.com> + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> + * Paul Walmsley * - * Based on omap1 clock.c, Copyright (C) 2004 - 2005 Nokia corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> + * Based on earlier work by Tuukka Tikkanen, Tony Lindgren, + * Gordon McNutt and RidgeRun, Inc. * * 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 @@ -60,6 +60,21 @@ static struct clk *sclk; * Omap24xx specific clock functions *-------------------------------------------------------------------------*/ +/* This actually returns the rate of core_ck, not dpll_ck. */ +static u32 omap2_get_dpll_rate_24xx(struct clk *tclk) +{ + long long dpll_clk; + u8 amult; + + dpll_clk = omap2_get_dpll_rate(tclk); + + amult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); + amult &= OMAP24XX_CORE_CLK_SRC_MASK; + dpll_clk *= amult; + + return dpll_clk; +} + static int omap2_enable_osc_ck(struct clk *clk) { u32 pcc; @@ -94,21 +109,6 @@ static void omap2_sys_clk_recalc(struct clk * clk) } #endif /* OLD_CK */ -/* This actually returns the rate of core_ck, not dpll_ck. */ -static u32 omap2_get_dpll_rate_24xx(struct clk *tclk) -{ - long long dpll_clk; - u8 amult; - - dpll_clk = omap2_get_dpll_rate(tclk); - - amult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); - amult &= OMAP24XX_CORE_CLK_SRC_MASK; - dpll_clk *= amult; - - return dpll_clk; -} - /* Enable an APLL if off */ static int omap2_clk_fixed_enable(struct clk *clk) { @@ -333,7 +333,7 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate) if (!found_speed) { printk(KERN_INFO "Could not set MPU rate to %luMHz\n", - rate / 1000000); + rate / 1000000); return -EINVAL; } diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index ccf6a6ca5ce4..88081ed13f96 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -1,13 +1,12 @@ /* - * linux/arch/arm/mach-omap24xx/clock.h + * linux/arch/arm/mach-omap2/clock24xx.h * - * Copyright (C) 2005 Texas Instruments Inc. - * Richard Woodruff <r-woodruff2@ti.com> - * Created for OMAP2. + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2008 Nokia Corporation * - * Copyright (C) 2004 Nokia corporation - * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> - * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> + * Paul Walmsley * * 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 @@ -25,18 +24,18 @@ #include "cm-regbits-24xx.h" #include "sdrc.h" -static void omap2_table_mpu_recalc(struct clk * clk); -static int omap2_select_table_rate(struct clk * clk, unsigned long rate); -static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate); -static void omap2_sys_clk_recalc(struct clk * clk); -static void omap2_osc_clk_recalc(struct clk * clk); -static void omap2_sys_clk_recalc(struct clk * clk); -static void omap2_dpll_recalc(struct clk * clk); -static int omap2_clk_fixed_enable(struct clk * clk); -static void omap2_clk_fixed_disable(struct clk * clk); -static int omap2_enable_osc_ck(struct clk * clk); -static void omap2_disable_osc_ck(struct clk * clk); -static int omap2_reprogram_dpll(struct clk * clk, unsigned long rate); +static void omap2_table_mpu_recalc(struct clk *clk); +static int omap2_select_table_rate(struct clk *clk, unsigned long rate); +static long omap2_round_to_table_rate(struct clk *clk, unsigned long rate); +static void omap2_sys_clk_recalc(struct clk *clk); +static void omap2_osc_clk_recalc(struct clk *clk); +static void omap2_sys_clk_recalc(struct clk *clk); +static void omap2_dpll_recalc(struct clk *clk); +static int omap2_clk_fixed_enable(struct clk *clk); +static void omap2_clk_fixed_disable(struct clk *clk); +static int omap2_enable_osc_ck(struct clk *clk); +static void omap2_disable_osc_ck(struct clk *clk); +static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate); /* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated. * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,CM_CLKSEL_DSP |