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[ARM] pxa: fix naming of memory/lcd/core clock functions

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Rename pxa25x and pxa27x memory/lcd/core clock functions, and
select the correct version at run time.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2007-08-20 10:07:44 +01:00 committed by Russell King
parent e259a3aecb
commit 15a4033354
4 changed files with 61 additions and 23 deletions
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38
arch/arm/mach-pxa/generic.c
View File

@ -42,6 +42,44 @@
#include "devices.h"
#include "generic.h"
/*
* Get the clock frequency as reflected by CCCR and the turbo flag.
* We assume these values have been applied via a fcs.
* If info is not 0 we also display the current settings.
*/
unsigned int get_clk_frequency_khz(int info)
{
if (cpu_is_pxa21x() || cpu_is_pxa25x())
return pxa25x_get_clk_frequency_khz(info);
else
return pxa27x_get_clk_frequency_khz(info);
}
EXPORT_SYMBOL(get_clk_frequency_khz);
/*
* Return the current memory clock frequency in units of 10kHz
*/
unsigned int get_memclk_frequency_10khz(void)
{
if (cpu_is_pxa21x() || cpu_is_pxa25x())
return pxa25x_get_memclk_frequency_10khz();
else
return pxa27x_get_memclk_frequency_10khz();
}
EXPORT_SYMBOL(get_memclk_frequency_10khz);
/*
* Return the current LCD clock frequency in units of 10kHz
*/
unsigned int get_lcdclk_frequency_10khz(void)
{
if (cpu_is_pxa21x() || cpu_is_pxa25x())
return pxa25x_get_memclk_frequency_10khz();
else
return pxa27x_get_lcdclk_frequency_10khz();
}
EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
/*
* Handy function to set GPIO alternate functions
*/

18
arch/arm/mach-pxa/generic.h
View File

@ -26,3 +26,21 @@ extern unsigned int get_clk_frequency_khz(int info);
mi->bank[__nr].size = (__size), \
mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
#ifdef CONFIG_PXA25x
extern unsigned pxa25x_get_clk_frequency_khz(int);
extern unsigned pxa25x_get_memclk_frequency_10khz(void);
#else
#define pxa25x_get_clk_frequency_khz(x) (0)
#define pxa25x_get_memclk_frequency_10khz() (0)
#endif
#ifdef CONFIG_PXA27x
extern unsigned pxa27x_get_clk_frequency_khz(int);
extern unsigned pxa27x_get_memclk_frequency_10khz(void);
extern unsigned pxa27x_get_lcdclk_frequency_10khz(void);
#else
#define pxa27x_get_clk_frequency_khz(x) (0)
#define pxa27x_get_memclk_frequency_10khz() (0)
#define pxa27x_get_lcdclk_frequency_10khz() (0)
#endif

18
arch/arm/mach-pxa/pxa25x.c
View File

@ -53,7 +53,7 @@ static unsigned char N2_clk_mult[8] = { 0, 0, 2, 3, 4, 0, 6, 0 };
* We assume these values have been applied via a fcs.
* If info is not 0 we also display the current settings.
*/
unsigned int get_clk_frequency_khz(int info)
unsigned int pxa25x_get_clk_frequency_khz(int info)
{
unsigned long cccr, turbo;
unsigned int l, L, m, M, n2, N;
@ -86,28 +86,14 @@ unsigned int get_clk_frequency_khz(int info)
return (turbo & 1) ? (N/1000) : (M/1000);
}
EXPORT_SYMBOL(get_clk_frequency_khz);
/*
* Return the current memory clock frequency in units of 10kHz
*/
unsigned int get_memclk_frequency_10khz(void)
unsigned int pxa25x_get_memclk_frequency_10khz(void)
{
return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000;
}
EXPORT_SYMBOL(get_memclk_frequency_10khz);
/*
* Return the current LCD clock frequency in units of 10kHz
*/
unsigned int get_lcdclk_frequency_10khz(void)
{
return get_memclk_frequency_10khz();
}
EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
#ifdef CONFIG_PM
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x

10
arch/arm/mach-pxa/pxa27x.c
View File

@ -36,7 +36,7 @@
* We assume these values have been applied via a fcs.
* If info is not 0 we also display the current settings.
*/
unsigned int get_clk_frequency_khz( int info)
unsigned int pxa27x_get_clk_frequency_khz(int info)
{
unsigned long ccsr, clkcfg;
unsigned int l, L, m, M, n2, N, S;
@ -79,7 +79,7 @@ unsigned int get_clk_frequency_khz( int info)
* Return the current mem clock frequency in units of 10kHz as
* reflected by CCCR[A], B, and L
*/
unsigned int get_memclk_frequency_10khz(void)
unsigned int pxa27x_get_memclk_frequency_10khz(void)
{
unsigned long ccsr, clkcfg;
unsigned int l, L, m, M;
@ -104,7 +104,7 @@ unsigned int get_memclk_frequency_10khz(void)
/*
* Return the current LCD clock frequency in units of 10kHz as
*/
unsigned int get_lcdclk_frequency_10khz(void)
unsigned int pxa27x_get_lcdclk_frequency_10khz(void)
{
unsigned long ccsr;
unsigned int l, L, k, K;
@ -120,10 +120,6 @@ unsigned int get_lcdclk_frequency_10khz(void)
return (K / 10000);
}
EXPORT_SYMBOL(get_clk_frequency_khz);
EXPORT_SYMBOL(get_memclk_frequency_10khz);
EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
#ifdef CONFIG_PM
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x