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authorTony Lindgren <tony@atomide.com>2008-03-18 11:56:39 +0200
committerTony Lindgren <tony@atomide.com>2008-04-14 10:29:38 -0700
commita16e97037b518533569a778f0e997704e5c43796 (patch)
tree0ab385008123a46d2a396d8aa1bf690a2f506fea /arch/arm/mach-omap2
parent2150ef46f8b5b2a5e3e5c53c1b04c513276ad4f7 (diff)
ARM: OMAP2: Clean up 24xx clock code
Clean up 24xx clock code to sync it with linux-omap tree. Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/clock.c15
-rw-r--r--arch/arm/mach-omap2/clock.h13
-rw-r--r--arch/arm/mach-omap2/clock24xx.c46
-rw-r--r--arch/arm/mach-omap2/clock24xx.h37
4 files changed, 49 insertions, 62 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index b76c9fc1b8e..a5b9564ea78 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 d9cc99c466d..d5980a9e09a 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 615b511c68c..ece32d8acba 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 ccf6a6ca5ce..88081ed13f9 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