diff options
Diffstat (limited to 'firmware/target/arm/as3525/system-as3525.c')
| -rw-r--r-- | firmware/target/arm/as3525/system-as3525.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/firmware/target/arm/as3525/system-as3525.c b/firmware/target/arm/as3525/system-as3525.c index d68f2c4f00..ba817b4ad3 100644 --- a/firmware/target/arm/as3525/system-as3525.c +++ b/firmware/target/arm/as3525/system-as3525.c @@ -335,14 +335,13 @@ void set_cpu_frequency(long frequency) { if(frequency == CPUFREQ_MAX) { -#ifdef HAVE_ADJUSTABLE_CPU_VOLTAGE /* Increasing frequency so boost voltage before change */ ascodec_write(AS3514_CVDD_DCDC3, (AS314_CP_DCDC3_SETTING | CVDD_1_20)); /* Wait for voltage to be at least 1.20v before making fclk > 200 MHz */ while(adc_read(ADC_CVDD) < 480) /* 480 * .0025 = 1.20V */ ; -#endif + asm volatile( "mrc p15, 0, r0, c1, c0 \n" @@ -365,10 +364,10 @@ void set_cpu_frequency(long frequency) "bic r0, r0, #3<<30 \n" /* fastbus clocking */ "mcr p15, 0, r0, c1, c0 \n" : : : "r0" ); -#ifdef HAVE_ADJUSTABLE_CPU_VOLTAGE + /* Decreasing frequency so reduce voltage after change */ ascodec_write(AS3514_CVDD_DCDC3, (AS314_CP_DCDC3_SETTING | CVDD_1_10)); -#endif + cpu_frequency = CPUFREQ_NORMAL; } } |