diff options
| author | Amaury Pouly <amaury.pouly@gmail.com> | 2014-03-08 18:22:47 +0100 |
|---|---|---|
| committer | Amaury Pouly <amaury.pouly@gmail.com> | 2014-03-08 18:51:54 +0100 |
| commit | 3e2f3efd894e7cbe80d9f1877f4a8babba5ce052 (patch) | |
| tree | 1c24b62ee709207b10b4cadf6402553bfdd4ef37 | |
| parent | 9fe368792369fc5b81e752328ae80062bce56201 (diff) | |
imx233: prepare frequency scaling for stmp3700
Add entry for stmp3700 maximum frequency which is 320MHz.
Change-Id: I6db4aad4efa0a7c1347a1ceb262a0295f63057ae
| -rw-r--r-- | firmware/target/arm/imx233/system-imx233.c | 10 | ||||
| -rw-r--r-- | firmware/target/arm/imx233/system-target.h | 11 |
2 files changed, 13 insertions, 8 deletions
diff --git a/firmware/target/arm/imx233/system-imx233.c b/firmware/target/arm/imx233/system-imx233.c index 1b4cdb3c2d..ad88cba918 100644 --- a/firmware/target/arm/imx233/system-imx233.c +++ b/firmware/target/arm/imx233/system-imx233.c @@ -263,15 +263,17 @@ struct cpufreq_profile_t int arm_cache_timings; }; -#if IMX233_SUBTARGET >= 3780 +#if IMX233_SUBTARGET >= 3700 static struct cpufreq_profile_t cpu_profiles[] = { - /* clk_p@454.74 MHz, clk_h@130.91 MHz, clk_emi@130.91 MHz, VDDD@1.550 V */ + /* clk_p@454.74 MHz, clk_h@151.58 MHz, clk_emi@130.91 MHz, VDDD@1.550 V */ {IMX233_CPUFREQ_454_MHz, 1550, 1450, 3, 1, 19, IMX233_EMIFREQ_130_MHz, 0}, + /* clk_p@320.00 MHz, clk_h@106.66 MHz, clk_emi@130.91 MHz, VDDD@1.450 V */ + {IMX233_CPUFREQ_320_MHz, 1450, 1350, 3, 1, 27, IMX233_EMIFREQ_130_MHz, 0}, /* clk_p@261.82 MHz, clk_h@130.91 MHz, clk_emi@130.91 MHz, VDDD@1.275 V */ {IMX233_CPUFREQ_261_MHz, 1275, 1175, 2, 1, 33, IMX233_EMIFREQ_130_MHz, 0}, /* clk_p@64 MHz, clk_h@64 MHz, clk_emi@64 MHz, VDDD@1.050 V */ - {IMX233_CPUFREQ_64_MHz, 1050, 975, 1, 5, 27, IMX233_EMIFREQ_64_MHz, 0}, + {IMX233_CPUFREQ_64_MHz, 1050, 975, 1, 5, 27, IMX233_EMIFREQ_64_MHz, 3}, /* dummy */ {0, 0, 0, 0, 0, 0, 0, 0} }; @@ -281,7 +283,7 @@ static struct cpufreq_profile_t cpu_profiles[] = void imx233_set_cpu_frequency(long frequency) { -#if IMX233_SUBTARGET >= 3780 +#if IMX233_SUBTARGET >= 3700 /* don't change the frequency if it is useless (changes are expensive) */ if(cpu_frequency == frequency) return; diff --git a/firmware/target/arm/imx233/system-target.h b/firmware/target/arm/imx233/system-target.h index e77b5dc1b8..314ea9b773 100644 --- a/firmware/target/arm/imx233/system-target.h +++ b/firmware/target/arm/imx233/system-target.h @@ -32,19 +32,22 @@ #include "regs/regs-usbphy.h" /** - * Absolute maximum CPU speed: 454.74 MHz - * Intermediate CPU speeds: 392.73 MHz, 360MHz, 261.82 MHz, 64 MHz + * Absolute maximum CPU speed: 454.74 MHz (STMP3780), 320.00 MHz (STMP3700) + * Intermediate CPU speeds: 261.82 MHz, 64 MHz * Absolute minimum CPU speed: 24 MHz */ #define IMX233_CPUFREQ_454_MHz 454740 -#define IMX233_CPUFREQ_392_MHz 392730 -#define IMX233_CPUFREQ_360_MHz 360000 +#define IMX233_CPUFREQ_320_MHz 320000 #define IMX233_CPUFREQ_261_MHz 261820 #define IMX233_CPUFREQ_64_MHz 64000 #define IMX233_CPUFREQ_24_MHz 24000 #define CPUFREQ_DEFAULT IMX233_CPUFREQ_64_MHz #define CPUFREQ_NORMAL IMX233_CPUFREQ_64_MHz +#if IMX233_SUBTARGET >= 3780 #define CPUFREQ_MAX IMX233_CPUFREQ_454_MHz +#elif IMX233_SUBTARGET >= 3700 +#define CPUFREQ_MAX IMX233_CPUFREQ_320_MHz +#endif #define CPUFREQ_SLEEP IMX233_CPUFREQ_64_MHz void system_prepare_fw_start(void); |