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Fix problems with CDROM drive as slave device on Lite5200 IDE bus.

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This commit is contained in:
wdenk 2004-09-28 20:34:50 +00:00
parent cce625e557
commit 64f70bede3
4 changed files with 37 additions and 26 deletions
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2
CHANGELOG
View File

@ -2,6 +2,8 @@
Changes since U-Boot 1.1.1:
======================================================================
* Fix problems with CDROM drive as slave device on Lite5200 IDE bus.
* Patch by Stephen Williams, 15 July 2004
Set the PCI class code for JSE board as part of PCI interface setup

4
board/icecube/icecube.c
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@ -288,6 +288,8 @@ void init_ide_reset (void)
/* Configure PSC1_4 as GPIO output for ATA reset */
*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
/* Deassert reset */
*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
}
void ide_set_reset (int idereset)
@ -296,6 +298,8 @@ void ide_set_reset (int idereset)
if (idereset) {
*(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
/* Make a delay. MPC5200 spec says 25 usec min */
udelay(500000);
} else {
*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
}

52
common/cmd_ide.c
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@ -1009,8 +1009,10 @@ static void ide_ident (block_dev_desc_t *dev_desc)
#ifdef CONFIG_AMIGAONEG3SE
int max_bus_scan;
int retries = 0;
char *s;
#endif
#ifdef CONFIG_ATAPI
int retries = 0;
int do_retry = 0;
#endif
@ -1041,14 +1043,11 @@ static void ide_ident (block_dev_desc_t *dev_desc)
dev_desc->if_type=IF_TYPE_IDE;
#ifdef CONFIG_ATAPI
#ifdef CONFIG_AMIGAONEG3SE
do_retry = 0;
retries = 0;
/* Warning: This will be tricky to read */
while (retries <= 1) {
#endif /* CONFIG_AMIGAONEG3SE */
/* check signature */
if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
(ide_inb(device,ATA_SECT_NUM) == 0x01) &&
@ -1079,32 +1078,35 @@ static void ide_ident (block_dev_desc_t *dev_desc)
if (((c & ATA_STAT_DRQ) == 0) ||
((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
#ifdef CONFIG_ATAPI
#ifdef CONFIG_AMIGAONEG3SE
if (retries == 0) {
do_retry = 1;
} else {
return;
}
s = getenv("ide_doreset");
if (s && strcmp(s, "on") == 0)
#endif
{
/* Need to soft reset the device in case it's an ATAPI... */
PRINTF("Retrying...\n");
ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
udelay(100000);
ide_outb (device, ATA_COMMAND, 0x08);
udelay (500000); /* 500 ms */
}
/* Select device
*/
ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
retries++;
#else
return;
#endif /* CONFIG_AMIGAONEG3SE */
}
#ifdef CONFIG_AMIGAONEG3SE
s = getenv("ide_doreset");
if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
/* Need to soft reset the device in case it's an ATAPI... */
PRINTF("Retrying...\n");
ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
udelay(100000);
ide_outb (device, ATA_COMMAND, 0x08);
udelay (100000); /* 100 ms */
retries++;
} else {
retries = 100;
#endif
}
#ifdef CONFIG_ATAPI
else
break;
} /* see above - ugly to read */
#endif /* CONFIG_AMIGAONEG3SE */
if (retries == 2) /* Not found */
return;
#endif
input_swap_data (device, iobuf, ATA_SECTORWORDS);

5
include/configs/IceCube.h
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@ -84,6 +84,7 @@
/* Partitions */
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
#define CONFIG_ISO_PARTITION
/* USB */
#if 1
@ -324,7 +325,7 @@
#define CONFIG_IDE_PREINIT
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
#define CFG_IDE_MAXDEVICE 2 /* max. 1 drive per IDE bus */
#define CFG_ATA_IDE0_OFFSET 0x0000
@ -342,4 +343,6 @@
/* Interval between registers */
#define CFG_ATA_STRIDE 4
#define CONFIG_ATAPI 1
#endif /* __CONFIG_H */