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| author | Solomon Peachy <pizza@shaftnet.org> | 2020-08-07 00:44:55 -0400 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2020-08-07 11:42:45 -0400 |
| commit | eb0e41c1ccb0dcf35efa7e1434bb0e35c9df1543 (patch) | |
| tree | 8989f4d1bfe2c24d67d72026f97ec8e0cc11f949 /firmware/export | |
| parent | 62146ed73513ec62b57163d229c6719b9349c640 (diff) | |
| download | rockbox-eb0e41c1ccb0dcf35efa7e1434bb0e35c9df1543.tar.gz rockbox-eb0e41c1ccb0dcf35efa7e1434bb0e35c9df1543.tar.bz2 rockbox-eb0e41c1ccb0dcf35efa7e1434bb0e35c9df1543.zip | |
jz4760: Support dynamic reclocking!
default/low speed is 192 MHz, Max is 576
Downclock PCLK/MCLK/etc to 96MHz to save a bit of juice
Honestly the high speed could be dialed down to, eg 384
as this thing is so bloody fast..
Change-Id: Ie65597c74290f1603e65f69dae8e75b59c8ba0b4
Diffstat (limited to 'firmware/export')
| -rw-r--r-- | firmware/export/config/xduoox3.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/firmware/export/config/xduoox3.h b/firmware/export/config/xduoox3.h index f510495bd9..999b6b9912 100644 --- a/firmware/export/config/xduoox3.h +++ b/firmware/export/config/xduoox3.h @@ -148,8 +148,18 @@ /* Define this if you have a Ingenic JZ4760B */ #define CONFIG_CPU JZ4760B -/* Define this to the CPU frequency */ -#define CPU_FREQ 480000000 /* CPU clock: 480 MHz -- Keep a multiple of 48MHz! */ +/* We have adjustable frequency */ +#define CPUFREQ_MAX 576000000 // datasheet sez 600MHz max. Must be multiple of 48! +#define CPUFREQ_MIN 192000000 +#define CPUFREQ_DEFAULT CPUFREQ_MIN + +#define HAVE_ADJUSTABLE_CPU_FREQ +#ifdef HAVE_ADJUSTABLE_CPU_FREQ +//#define HAVE_GUI_BOOST +#define CPUFREQ_NORMAL CPUFREQ_MIN +#else +#define CPU_FREQ CPUFREQ_MAX +#endif /* Define this if you want to use the JZ47XX i2c interface */ #define CONFIG_I2C I2C_JZ47XX |