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-rw-r--r--firmware/target/coldfire/mpio/ata-mpio.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/firmware/target/coldfire/mpio/ata-mpio.c b/firmware/target/coldfire/mpio/ata-mpio.c
index f993dd9..9ffa57a 100644
--- a/firmware/target/coldfire/mpio/ata-mpio.c
+++ b/firmware/target/coldfire/mpio/ata-mpio.c
@@ -39,12 +39,38 @@ void ata_reset(void)
void ata_enable(bool on)
{
+ static bool init = true;
+
+ /* Ide power toggling is a nasty hack to allow USB bridge operation
+ * in rockbox. For some reason GL811E bridge doesn't like the state
+ * in which rockbox leaves drive (and vice versa). The only way
+ * I found out to recover is to do disk power cycle (I tried toggling
+ * reset line of the disk but it doesn't work).
+ */
+
/* GPO36 /reset line of GL811E */
if (on)
+ {
and_l(~(1<<4), &GPIO1_OUT);
+#ifndef BOOTLADER
+ if ( !init )
+ {
+ ide_power_enable(false);
+ sleep(1);
+ ide_power_enable(true);
+ }
+#endif
+ init = false;
+ }
else
+ {
+#ifndef BOOTLOADER
+ ide_power_enable(false);
+ sleep(1);
+ ide_power_enable(true);
+#endif
or_l((1<<4), &GPIO1_OUT);
-
+ }
or_l((1<<4), &GPIO1_ENABLE);
or_l((1<<4), &GPIO1_FUNCTION);
}