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yaml
---
r: 184651
b: refs/heads/master
c: 87a1b26
h: refs/heads/master
i:
  184649: 90788ba
  184647: 2183e6b
v: v3
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Paul Walmsley committed Jan 29, 2010
1 parent 9728641 commit e63492c
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Showing 5 changed files with 67 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 49214640f52506fbba00eb998fc39f10653a840a
refs/heads/master: 87a1b26c2d31dce62758b78c077ff5a1b5a52ab8
2 changes: 1 addition & 1 deletion trunk/arch/arm/mach-omap2/Makefile
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Expand Up @@ -13,7 +13,7 @@ clock-common = clock.o clock_common_data.o \
clkt_clksel.o
clock-omap2xxx = clkt2xxx_dpllcore.o \
clkt2xxx_virt_prcm_set.o \
clkt2xxx_apll.o
clkt2xxx_apll.o clkt2xxx_osc.o

obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
$(clock-omap2xxx)
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62 changes: 62 additions & 0 deletions trunk/arch/arm/mach-omap2/clkt2xxx_osc.c
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@@ -0,0 +1,62 @@
/*
* OMAP2xxx osc_clk-specific clock code
*
* Copyright (C) 2005-2008 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
*
* 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
* published by the Free Software Foundation.
*/
#undef DEBUG

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <plat/clock.h>

#include "clock.h"
#include "clock2xxx.h"
#include "prm.h"
#include "prm-regbits-24xx.h"

static int omap2_enable_osc_ck(struct clk *clk)
{
u32 pcc;

pcc = __raw_readl(prcm_clksrc_ctrl);

__raw_writel(pcc & ~OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl);

return 0;
}

static void omap2_disable_osc_ck(struct clk *clk)
{
u32 pcc;

pcc = __raw_readl(prcm_clksrc_ctrl);

__raw_writel(pcc | OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl);
}

const struct clkops clkops_oscck = {
.enable = omap2_enable_osc_ck,
.disable = omap2_disable_osc_ck,
};

unsigned long omap2_osc_clk_recalc(struct clk *clk)
{
return omap2xxx_get_apll_clkin() * omap2xxx_get_sysclkdiv();
}

34 changes: 2 additions & 32 deletions trunk/arch/arm/mach-omap2/clock2xxx.c
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Expand Up @@ -79,31 +79,6 @@ const struct clkops clkops_omap2430_i2chs_wait = {
.find_companion = omap2_clk_dflt_find_companion,
};

static int omap2_enable_osc_ck(struct clk *clk)
{
u32 pcc;

pcc = __raw_readl(prcm_clksrc_ctrl);

__raw_writel(pcc & ~OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl);

return 0;
}

static void omap2_disable_osc_ck(struct clk *clk)
{
u32 pcc;

pcc = __raw_readl(prcm_clksrc_ctrl);

__raw_writel(pcc | OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl);
}

const struct clkops clkops_oscck = {
.enable = omap2_enable_osc_ck,
.disable = omap2_disable_osc_ck,
};

#ifdef OLD_CK
/* Recalculate SYST_CLK */
static void omap2_sys_clk_recalc(struct clk *clk)
Expand All @@ -116,7 +91,7 @@ static void omap2_sys_clk_recalc(struct clk *clk)
}
#endif /* OLD_CK */

static u32 omap2_get_sysclkdiv(void)
u32 omap2xxx_get_sysclkdiv(void)
{
u32 div;

Expand All @@ -127,14 +102,9 @@ static u32 omap2_get_sysclkdiv(void)
return div;
}

unsigned long omap2_osc_clk_recalc(struct clk *clk)
{
return omap2xxx_get_apll_clkin() * omap2_get_sysclkdiv();
}

unsigned long omap2_sys_clk_recalc(struct clk *clk)
{
return clk->parent->rate / omap2_get_sysclkdiv();
return clk->parent->rate / omap2xxx_get_sysclkdiv();
}

/*
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1 change: 1 addition & 0 deletions trunk/arch/arm/mach-omap2/clock2xxx.h
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Expand Up @@ -18,6 +18,7 @@ unsigned long omap2_dpllcore_recalc(struct clk *clk);
int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate);
unsigned long omap2xxx_clk_get_core_rate(struct clk *clk);
u32 omap2xxx_get_apll_clkin(void);
u32 omap2xxx_get_sysclkdiv(void);

/* REVISIT: These should be set dynamically for CONFIG_MULTI_OMAP2 */
#ifdef CONFIG_ARCH_OMAP2420
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