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[UC101] Fix: if no CF in the board, U-Boot resets sometimes.

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Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2007-08-28 17:40:33 +02:00
parent f98984cb19
commit a861558c65
2 changed files with 8 additions and 1 deletions
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8
cpu/mpc5xxx/ide.c
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@ -54,11 +54,19 @@ int ide_preinit (void)
/* All sample codes do that... */ /* All sample codes do that... */
*(vu_long *) MPC5XXX_ATA_SHARE_COUNT = 0; *(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 */ /* Configure and reset host */
*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY | *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY |
MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR; MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR;
udelay (10); udelay (10);
*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY; *(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY;
#endif
/* Disable prefetch on Commbus */ /* Disable prefetch on Commbus */
psdma->PtdCntrl |= 1; psdma->PtdCntrl |= 1;

1
include/configs/uc101.h
View File

@ -332,7 +332,6 @@
#define CFG_IDE_MAXDEVICE 2 /* max. 2 drives per IDE bus */ #define CFG_IDE_MAXDEVICE 2 /* max. 2 drives per IDE bus */
#define CONFIG_IDE_PREINIT 1 #define CONFIG_IDE_PREINIT 1
/* #define CONFIG_IDE_RESET 1 beispile siehe tqm5200.c */
#define CFG_ATA_IDE0_OFFSET 0x0000 #define CFG_ATA_IDE0_OFFSET 0x0000