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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-08-20 10:07:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-10-12 21:14:52 +0100
commit15a4033354c68eb75e417ab60771f36212610820 (patch)
treef8e98b1a781f385e814a49ee528395866f1256e5
parente259a3aecbfb61981175ddc7fc02dd180da7d73e (diff)
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[ARM] pxa: fix naming of memory/lcd/core clock functions
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>
-rw-r--r--arch/arm/mach-pxa/generic.c38
-rw-r--r--arch/arm/mach-pxa/generic.h18
-rw-r--r--arch/arm/mach-pxa/pxa25x.c18
-rw-r--r--arch/arm/mach-pxa/pxa27x.c10
4 files changed, 61 insertions, 23 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 98df638..ac2b1fc 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -43,6 +43,44 @@
#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
*/
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index 91ab2ad..0a8a6f8 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -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
+
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 6dfcca7..bcf3f0a 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -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
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 203371a..b3bbf3f 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -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