From 21955350b47ef2609eb2d58cc17144ea53bec7de Mon Sep 17 00:00:00 2001 From: Marcin Bukat Date: Thu, 16 Dec 2010 22:07:07 +0000 Subject: HD300 - hacky workaround which makes USB bridge work in rockbox git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28845 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/coldfire/mpio/ata-mpio.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/firmware/target/coldfire/mpio/ata-mpio.c b/firmware/target/coldfire/mpio/ata-mpio.c index f993dd9178..9ffa57a3f7 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); } -- cgit v1.2.3