diff options
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 38 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/generic.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 10 |
4 files changed, 61 insertions, 23 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 98df63898d1..ac2b1fc5bda 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 91ab2ad8b34..0a8a6f8a4f9 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 6dfcca72e90..bcf3f0a7846 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 203371ab19d..b3bbf3feef7 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 |