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[UC101] Fix: if no CF in the board, U-Boot resets sometimes.
[platform/kernel/u-boot.git]
/
cpu
/
mpc5xxx
/
ide.c
diff --git
a/cpu/mpc5xxx/ide.c
b/cpu/mpc5xxx/ide.c
index
087ddac
..
344e6f2
100644
(file)
--- 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;
/* 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;
/* 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;
/* Disable prefetch on Commbus */
psdma->PtdCntrl |= 1;