diff options
author | Solomon Peachy <pizza@shaftnet.org> | 2020-08-29 10:54:45 -0400 |
---|---|---|
committer | Solomon Peachy <pizza@shaftnet.org> | 2020-08-29 14:59:46 -0400 |
commit | 3dc4f817def3f106abab05db8e8395ff77c3d087 (patch) | |
tree | b80f1c6f3fd46cfe81b0f02296b507c376a2fed5 /firmware | |
parent | 3867f0b95958a6219ed5b459c22b246fb827efe2 (diff) |
jz4760: Disable dynamic clocking entirely.
Back off to 480MHz [max] clock, bus/mem clock of 120MHz.
576 is unstable on at least one unit, and 528 still glitches.
Change-Id: I020e48532524e739f3bfa42bed570381ccd34959
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/export/config/xduoox3.h | 6 | ||||
-rw-r--r-- | firmware/target/mips/ingenic_jz47xx/system-jz4760.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/firmware/export/config/xduoox3.h b/firmware/export/config/xduoox3.h index fa86caf511..7de8fa1510 100644 --- a/firmware/export/config/xduoox3.h +++ b/firmware/export/config/xduoox3.h @@ -160,13 +160,13 @@ #define CONFIG_CPU JZ4760B /* If we have adjustable frequency */ -#define CPUFREQ_MAX 576000000 // datasheet sez 600MHz max. Must be multiple of 48! +#define CPUFREQ_MAX 480000000 // datasheet sez 600MHz max. Must be multiple of 48! #define CPUFREQ_MIN 192000000 #define CPUFREQ_NORMAL CPUFREQ_MIN #ifndef BOOTLOADER -#define HAVE_ADJUSTABLE_CPU_FREQ -#define HAVE_GUI_BOOST +//#define HAVE_ADJUSTABLE_CPU_FREQ +//#define HAVE_GUI_BOOST #endif #ifdef HAVE_ADJUSTABLE_CPU_FREQ diff --git a/firmware/target/mips/ingenic_jz47xx/system-jz4760.c b/firmware/target/mips/ingenic_jz47xx/system-jz4760.c index eab3ef64e6..73bd31c72c 100644 --- a/firmware/target/mips/ingenic_jz47xx/system-jz4760.c +++ b/firmware/target/mips/ingenic_jz47xx/system-jz4760.c @@ -451,7 +451,7 @@ static void pll0_init(unsigned int freq) * DIV should be one of [1, 2, 3, 4, 6, 8] */ const int div[2][6] = { { 1, 2, 2, 2, 2, 2 }, - { 1, 6, 6, 6, 6, 6 } }; + { 1, 4, 4, 4, 4, 4 } }; const int n2FR[9] = { 0, 0, 1, 2, 3, 0, 4, 0, 5 }; |