diff options
author | wdenk <wdenk> | 2004-09-28 20:34:50 +0000 |
---|---|---|
committer | wdenk <wdenk> | 2004-09-28 20:34:50 +0000 |
commit | 64f70bede37f833d2ed31311ff293c759c41a2a6 (patch) | |
tree | d4e41ef699babf7f6792d0894b478aae82b75f46 /common/cmd_ide.c | |
parent | cce625e557416d06aeddaab0967b3119748cd21e (diff) | |
download | u-boot-imx-64f70bede37f833d2ed31311ff293c759c41a2a6.zip u-boot-imx-64f70bede37f833d2ed31311ff293c759c41a2a6.tar.gz u-boot-imx-64f70bede37f833d2ed31311ff293c759c41a2a6.tar.bz2 |
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.c | 52 |
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); |