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| author | Heiko Schocher <hs@pollux.denx.de> | 2007-08-28 17:40:33 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@pollux.denx.de> | 2007-08-28 17:40:33 +0200 |
| commit | a861558c65f65f1cf1302f3a35e9db7686b9e1a3 (patch) | |
| tree | 7ba0f0a461f1f4311e0bcfffa574ebc04a950d05 /cpu | |
| parent | f98984cb194bb34dbe1db9429d3b51133af30d07 (diff) | |
| download | u-boot-imx-a861558c65f65f1cf1302f3a35e9db7686b9e1a3.zip u-boot-imx-a861558c65f65f1cf1302f3a35e9db7686b9e1a3.tar.gz u-boot-imx-a861558c65f65f1cf1302f3a35e9db7686b9e1a3.tar.bz2 | |
[UC101] Fix: if no CF in the board, U-Boot resets sometimes.
Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc5xxx/ide.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpu/mpc5xxx/ide.c b/cpu/mpc5xxx/ide.c index 087ddac..344e6f2 100644 --- a/cpu/mpc5xxx/ide.c +++ b/cpu/mpc5xxx/ide.c @@ -54,11 +54,19 @@ int ide_preinit (void) /* All sample codes do that... */ *(vu_long *) MPC5XXX_ATA_SHARE_COUNT = 0; +#if defined(CONFIG_UC101) + /* Configure and reset host */ + *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = + MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR; + udelay (10); + *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = 0; +#else /* Configure and reset host */ *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY | MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR; udelay (10); *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY; +#endif /* Disable prefetch on Commbus */ psdma->PtdCntrl |= 1; |