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authorwdenk <wdenk>2004-09-28 20:34:50 +0000
committerwdenk <wdenk>2004-09-28 20:34:50 +0000
commit64f70bede37f833d2ed31311ff293c759c41a2a6 (patch)
treed4e41ef699babf7f6792d0894b478aae82b75f46 /common/cmd_ide.c
parentcce625e557416d06aeddaab0967b3119748cd21e (diff)
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Fix problems with CDROM drive as slave device on Lite5200 IDE bus.
Diffstat (limited to 'common/cmd_ide.c')
-rw-r--r--common/cmd_ide.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index 0c9927b..9e50599 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -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;
- }
-#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");
+ 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));
- udelay(100000);
- ide_outb (device, ATA_COMMAND, 0x08);
- udelay (100000); /* 100 ms */
retries++;
- } else {
- retries = 100;
+#else
+ return;
+#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);