diff options
| author | Jens Arnold <amiconn@rockbox.org> | 2007-07-07 05:58:29 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2007-07-07 05:58:29 +0000 |
| commit | c6437185b7a5331d7d36a440ad67d3c7cd3502f4 (patch) | |
| tree | cf1158b698802ca66432819b5dda9d88a893669f | |
| parent | 68f975be8524e89fe582b20f3231f161b6f85e26 (diff) | |
Stop the crashes on some PP5022C targets (iPod Video, perhaps also Nano) introduced by the recent clock setup changes. Looks like some revisions of the chip don't reset the PLL_locked bit immediately after PLL setup.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13810 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/system-pp502x.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/firmware/target/arm/system-pp502x.c b/firmware/target/arm/system-pp502x.c index 4542913d53..4fca84600b 100644 --- a/firmware/target/arm/system-pp502x.c +++ b/firmware/target/arm/system-pp502x.c @@ -175,7 +175,7 @@ void set_cpu_frequency(long frequency) outl((inl(0x60006020) & 0x0ffffff0) | 0x10000002, 0x60006020); outl(unknown2 & 0x3fffffff, 0x600060a0); - + unknown1 = (138 * postmult + 255) >> 8; if (unknown1 > 15) unknown1 = 15; @@ -189,9 +189,10 @@ void set_cpu_frequency(long frequency) outl(pll_control, 0x60006034); udelay(500); /* wait for relock */ # else /* PP5022, PP5024 */ + udelay(250); while (!(inl(0x6000603c) & 0x80000000)); /* wait for relock */ # endif - + /* Select PLL as clock source? */ outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020); |