Fix or at least significantly improve FS#11830. With introduction of ATA DMA for PP502x a special treatment of the IDE0_CFG register for the iPod nano (see FS#7510) was lost.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29106 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/firmware/target/arm/ata-pp5020.c b/firmware/target/arm/ata-pp5020.c
index 44297a5a7e..0eb64351f2 100644
--- a/firmware/target/arm/ata-pp5020.c
+++ b/firmware/target/arm/ata-pp5020.c
@@ -106,7 +106,9 @@ void ata_dma_set_mode(unsigned char mode) {
     int modeidx;
 
     (*(volatile unsigned long *)(0x600060C4)) = 0xC0000000; /* 80 Mhz */
+#if !defined(IPOD_NANO)
     IDE0_CFG &= ~0x10000000;
+#endif
 
     modeidx = mode & 7;
     mode &= 0xF8;
@@ -121,7 +123,9 @@ void ata_dma_set_mode(unsigned char mode) {
     } else if (mode == 0x20 && modeidx <= ATA_MAX_MWDMA)
         IDE0_PRI_TIMING1 = tm_mwdma[modeidx];
 
+#if !defined(IPOD_NANO)
     IDE0_CFG |= 0x20000000; /* >= 50 Mhz */
+#endif
 } 
 
 #define IDE_CFG_INTRQ           8