dm: ide: Remove the forward declarations

Reorder the code to avoid needing forward declarations. Fix up code style
as needed.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 682 insertions, 714 deletions

diff --git a/cmd/ide.c b/cmd/ide.c
index a46d0acfd6..db26f4320d 100644
--- a/cmd/ide.c
+++ b/cmd/ide.c
@@ -57,34 +57,686 @@ static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
 struct blk_desc ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
 /* ------------------------------------------------------------------------- */
 
+#define IDE_TIME_OUT	2000	/* 2 sec timeout */
+
+#define ATAPI_TIME_OUT	7000	/* 7 sec timeout (5 sec seems to work...) */
+
+#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
+
+#ifndef CONFIG_SYS_ATA_PORT_ADDR
+#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
+#endif
+
+#ifndef CONFIG_IDE_LED	/* define LED macros, they are not used anyways */
+# define DEVICE_LED(x) 0
+# define LED_IDE1 1
+# define LED_IDE2 2
+#endif
+
 #ifdef CONFIG_IDE_RESET
-static void  ide_reset(void);
+extern void ide_set_reset(int idereset);
+
+static void ide_reset(void)
+{
+	int i;
+
+	curr_device = -1;
+	for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i)
+		ide_bus_ok[i] = 0;
+	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i)
+		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
+
+	ide_set_reset(1);	/* assert reset */
+
+	/* the reset signal shall be asserted for et least 25 us */
+	udelay(25);
+
+	WATCHDOG_RESET();
+
+	/* de-assert RESET signal */
+	ide_set_reset(0);
+
+	/* wait 250 ms */
+	for (i = 0; i < 250; ++i)
+		udelay(1000);
+}
 #else
 #define ide_reset()	/* dummy */
+#endif /* CONFIG_IDE_RESET */
+
+/*
+ * Wait until Busy bit is off, or timeout (in ms)
+ * Return last status
+ */
+static uchar ide_wait(int dev, ulong t)
+{
+	ulong delay = 10 * t;	/* poll every 100 us */
+	uchar c;
+
+	while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
+		udelay(100);
+		if (delay-- == 0)
+			break;
+	}
+	return c;
+}
+
+/*
+ * copy src to dest, skipping leading and trailing blanks and null
+ * terminate the string
+ * "len" is the size of available memory including the terminating '\0'
+ */
+static void ident_cpy(unsigned char *dst, unsigned char *src,
+		      unsigned int len)
+{
+	unsigned char *end, *last;
+
+	last = dst;
+	end = src + len - 1;
+
+	/* reserve space for '\0' */
+	if (len < 2)
+		goto OUT;
+
+	/* skip leading white space */
+	while ((*src) && (src < end) && (*src == ' '))
+		++src;
+
+	/* copy string, omitting trailing white space */
+	while ((*src) && (src < end)) {
+		*dst++ = *src;
+		if (*src++ != ' ')
+			last = dst;
+	}
+OUT:
+	*last = '\0';
+}
+
+#ifdef CONFIG_ATAPI
+/****************************************************************************
+ * ATAPI Support
+ */
+
+#if defined(CONFIG_IDE_SWAP_IO)
+/* since ATAPI may use commands with not 4 bytes alligned length
+ * we have our own transfer functions, 2 bytes alligned */
+__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
+{
+	ushort *dbuf;
+	volatile ushort *pbuf;
+
+	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
+	dbuf = (ushort *)sect_buf;
+
+	debug("in output data shorts base for read is %lx\n",
+	      (unsigned long) pbuf);
+
+	while (shorts--) {
+		EIEIO;
+		*pbuf = *dbuf++;
+	}
+}
+
+__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
+{
+	ushort *dbuf;
+	volatile ushort *pbuf;
+
+	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
+	dbuf = (ushort *)sect_buf;
+
+	debug("in input data shorts base for read is %lx\n",
+	      (unsigned long) pbuf);
+
+	while (shorts--) {
+		EIEIO;
+		*dbuf++ = *pbuf;
+	}
+}
+
+#else  /* ! CONFIG_IDE_SWAP_IO */
+__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
+{
+	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
+}
+
+__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
+{
+	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
+}
+
+#endif /* CONFIG_IDE_SWAP_IO */
+
+/*
+ * Wait until (Status & mask) == res, or timeout (in ms)
+ * Return last status
+ * This is used since some ATAPI CD ROMs clears their Busy Bit first
+ * and then they set their DRQ Bit
+ */
+static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res)
+{
+	ulong delay = 10 * t;	/* poll every 100 us */
+	uchar c;
+
+	/* prevents to read the status before valid */
+	c = ide_inb(dev, ATA_DEV_CTL);
+
+	while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
+		/* break if error occurs (doesn't make sense to wait more) */
+		if ((c & ATA_STAT_ERR) == ATA_STAT_ERR)
+			break;
+		udelay(100);
+		if (delay-- == 0)
+			break;
+	}
+	return c;
+}
+
+/*
+ * issue an atapi command
+ */
+unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen,
+			  unsigned char *buffer, int buflen)
+{
+	unsigned char c, err, mask, res;
+	int n;
+
+	ide_led(DEVICE_LED(device), 1);	/* LED on       */
+
+	/* Select device
+	 */
+	mask = ATA_STAT_BUSY | ATA_STAT_DRQ;
+	res = 0;
+	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
+	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
+	if ((c & mask) != res) {
+		printf("ATAPI_ISSUE: device %d not ready status %X\n", device,
+		       c);
+		err = 0xFF;
+		goto AI_OUT;
+	}
+	/* write taskfile */
+	ide_outb(device, ATA_ERROR_REG, 0);	/* no DMA, no overlaped */
+	ide_outb(device, ATA_SECT_CNT, 0);
+	ide_outb(device, ATA_SECT_NUM, 0);
+	ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF));
+	ide_outb(device, ATA_CYL_HIGH,
+		 (unsigned char) ((buflen >> 8) & 0xFF));
+	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
+
+	ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET);
+	udelay(50);
+
+	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
+	res = ATA_STAT_DRQ;
+	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
+
+	if ((c & mask) != res) {	/* DRQ must be 1, BSY 0 */
+		printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",
+		       device, c);
+		err = 0xFF;
+		goto AI_OUT;
+	}
+
+	/* write command block */
+	ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2);
+
+	/* ATAPI Command written wait for completition */
+	udelay(5000);		/* device must set bsy */
+
+	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
+	/*
+	 * if no data wait for DRQ = 0 BSY = 0
+	 * if data wait for DRQ = 1 BSY = 0
+	 */
+	res = 0;
+	if (buflen)
+		res = ATA_STAT_DRQ;
+	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
+	if ((c & mask) != res) {
+		if (c & ATA_STAT_ERR) {
+			err = (ide_inb(device, ATA_ERROR_REG)) >> 4;
+			debug("atapi_issue 1 returned sense key %X status %02X\n",
+			      err, c);
+		} else {
+			printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x)  status 0x%02x\n",
+			       ccb[0], c);
+			err = 0xFF;
+		}
+		goto AI_OUT;
+	}
+	n = ide_inb(device, ATA_CYL_HIGH);
+	n <<= 8;
+	n += ide_inb(device, ATA_CYL_LOW);
+	if (n > buflen) {
+		printf("ERROR, transfer bytes %d requested only %d\n", n,
+		       buflen);
+		err = 0xff;
+		goto AI_OUT;
+	}
+	if ((n == 0) && (buflen < 0)) {
+		printf("ERROR, transfer bytes %d requested %d\n", n, buflen);
+		err = 0xff;
+		goto AI_OUT;
+	}
+	if (n != buflen) {
+		debug("WARNING, transfer bytes %d not equal with requested %d\n",
+		      n, buflen);
+	}
+	if (n != 0) {		/* data transfer */
+		debug("ATAPI_ISSUE: %d Bytes to transfer\n", n);
+		/* we transfer shorts */
+		n >>= 1;
+		/* ok now decide if it is an in or output */
+		if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) {
+			debug("Write to device\n");
+			ide_output_data_shorts(device, (unsigned short *)buffer,
+					       n);
+		} else {
+			debug("Read from device @ %p shorts %d\n", buffer, n);
+			ide_input_data_shorts(device, (unsigned short *)buffer,
+					      n);
+		}
+	}
+	udelay(5000);		/* seems that some CD ROMs need this... */
+	mask = ATA_STAT_BUSY | ATA_STAT_ERR;
+	res = 0;
+	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
+	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
+		err = (ide_inb(device, ATA_ERROR_REG) >> 4);
+		debug("atapi_issue 2 returned sense key %X status %X\n", err,
+		      c);
+	} else {
+		err = 0;
+	}
+AI_OUT:
+	ide_led(DEVICE_LED(device), 0);	/* LED off      */
+	return err;
+}
+
+/*
+ * sending the command to atapi_issue. If an status other than good
+ * returns, an request_sense will be issued
+ */
+
+#define ATAPI_DRIVE_NOT_READY	100
+#define ATAPI_UNIT_ATTN		10
+
+unsigned char atapi_issue_autoreq(int device,
+				  unsigned char *ccb,
+				  int ccblen,
+				  unsigned char *buffer, int buflen)
+{
+	unsigned char sense_data[18], sense_ccb[12];
+	unsigned char res, key, asc, ascq;
+	int notready, unitattn;
+
+	unitattn = ATAPI_UNIT_ATTN;
+	notready = ATAPI_DRIVE_NOT_READY;
+
+retry:
+	res = atapi_issue(device, ccb, ccblen, buffer, buflen);
+	if (res == 0)
+		return 0;	/* Ok */
+
+	if (res == 0xFF)
+		return 0xFF;	/* error */
+
+	debug("(auto_req)atapi_issue returned sense key %X\n", res);
+
+	memset(sense_ccb, 0, sizeof(sense_ccb));
+	memset(sense_data, 0, sizeof(sense_data));
+	sense_ccb[0] = ATAPI_CMD_REQ_SENSE;
+	sense_ccb[4] = 18;	/* allocation Length */
+
+	res = atapi_issue(device, sense_ccb, 12, sense_data, 18);
+	key = (sense_data[2] & 0xF);
+	asc = (sense_data[12]);
+	ascq = (sense_data[13]);
+
+	debug("ATAPI_CMD_REQ_SENSE returned %x\n", res);
+	debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
+	      sense_data[0], key, asc, ascq);
+
+	if ((key == 0))
+		return 0;	/* ok device ready */
+
+	if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */
+		if (unitattn-- > 0) {
+			udelay(200 * 1000);
+			goto retry;
+		}
+		printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN);
+		goto error;
+	}
+	if ((asc == 0x4) && (ascq == 0x1)) {
+		/* not ready, but will be ready soon */
+		if (notready-- > 0) {
+			udelay(200 * 1000);
+			goto retry;
+		}
+		printf("Drive not ready, tried %d times\n",
+		       ATAPI_DRIVE_NOT_READY);
+		goto error;
+	}
+	if (asc == 0x3a) {
+		debug("Media not present\n");
+		goto error;
+	}
+
+	printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc,
+	       ascq);
+error:
+	debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq);
+	return 0xFF;
+}
+
+/*
+ * atapi_read:
+ * we transfer only one block per command, since the multiple DRQ per
+ * command is not yet implemented
+ */
+#define ATAPI_READ_MAX_BYTES	2048	/* we read max 2kbytes */
+#define ATAPI_READ_BLOCK_SIZE	2048	/* assuming CD part */
+#define ATAPI_READ_MAX_BLOCK	(ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE)
+
+ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
+		 void *buffer)
+{
+	int device = block_dev->devnum;
+	ulong n = 0;
+	unsigned char ccb[12];	/* Command descriptor block */
+	ulong cnt;
+
+	debug("atapi_read dev %d start " LBAF " blocks " LBAF
+	      " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);
+
+	do {
+		if (blkcnt > ATAPI_READ_MAX_BLOCK)
+			cnt = ATAPI_READ_MAX_BLOCK;
+		else
+			cnt = blkcnt;
+
+		ccb[0] = ATAPI_CMD_READ_12;
+		ccb[1] = 0;	/* reserved */
+		ccb[2] = (unsigned char) (blknr >> 24) & 0xFF;	/* MSB Block */
+		ccb[3] = (unsigned char) (blknr >> 16) & 0xFF;	/*  */
+		ccb[4] = (unsigned char) (blknr >> 8) & 0xFF;
+		ccb[5] = (unsigned char) blknr & 0xFF;	/* LSB Block */
+		ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */
+		ccb[7] = (unsigned char) (cnt >> 16) & 0xFF;
+		ccb[8] = (unsigned char) (cnt >> 8) & 0xFF;
+		ccb[9] = (unsigned char) cnt & 0xFF;	/* LSB Block */
+		ccb[10] = 0;	/* reserved */
+		ccb[11] = 0;	/* reserved */
+
+		if (atapi_issue_autoreq(device, ccb, 12,
+					(unsigned char *)buffer,
+					cnt * ATAPI_READ_BLOCK_SIZE)
+		    == 0xFF) {
+			return n;
+		}
+		n += cnt;
+		blkcnt -= cnt;
+		blknr += cnt;
+		buffer += (cnt * ATAPI_READ_BLOCK_SIZE);
+	} while (blkcnt > 0);
+	return n;
+}
+
+static void atapi_inquiry(struct blk_desc *dev_desc)
+{
+	unsigned char ccb[12];	/* Command descriptor block */
+	unsigned char iobuf[64];	/* temp buf */
+	unsigned char c;
+	int device;
+
+	device = dev_desc->devnum;
+	dev_desc->type = DEV_TYPE_UNKNOWN;	/* not yet valid */
+	dev_desc->block_read = atapi_read;
+
+	memset(ccb, 0, sizeof(ccb));
+	memset(iobuf, 0, sizeof(iobuf));
+
+	ccb[0] = ATAPI_CMD_INQUIRY;
+	ccb[4] = 40;		/* allocation Legnth */
+	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 40);
+
+	debug("ATAPI_CMD_INQUIRY returned %x\n", c);
+	if (c != 0)
+		return;
+
+	/* copy device ident strings */
+	ident_cpy((unsigned char *)dev_desc->vendor, &iobuf[8], 8);
+	ident_cpy((unsigned char *)dev_desc->product, &iobuf[16], 16);
+	ident_cpy((unsigned char *)dev_desc->revision, &iobuf[32], 5);
+
+	dev_desc->lun = 0;
+	dev_desc->lba = 0;
+	dev_desc->blksz = 0;
+	dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz));
+	dev_desc->type = iobuf[0] & 0x1f;
+
+	if ((iobuf[1] & 0x80) == 0x80)
+		dev_desc->removable = 1;
+	else
+		dev_desc->removable = 0;
+
+	memset(ccb, 0, sizeof(ccb));
+	memset(iobuf, 0, sizeof(iobuf));
+	ccb[0] = ATAPI_CMD_START_STOP;
+	ccb[4] = 0x03;		/* start */
+
+	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
+
+	debug("ATAPI_CMD_START_STOP returned %x\n", c);
+	if (c != 0)
+		return;
+
+	memset(ccb, 0, sizeof(ccb));
+	memset(iobuf, 0, sizeof(iobuf));
+	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
+
+	debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c);
+	if (c != 0)
+		return;
+
+	memset(ccb, 0, sizeof(ccb));
+	memset(iobuf, 0, sizeof(iobuf));
+	ccb[0] = ATAPI_CMD_READ_CAP;
+	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 8);
+	debug("ATAPI_CMD_READ_CAP returned %x\n", c);
+	if (c != 0)
+		return;
+
+	debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
+	      iobuf[0], iobuf[1], iobuf[2], iobuf[3],
+	      iobuf[4], iobuf[5], iobuf[6], iobuf[7]);
+
+	dev_desc->lba = ((unsigned long) iobuf[0] << 24) +
+		((unsigned long) iobuf[1] << 16) +
+		((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]);
+	dev_desc->blksz = ((unsigned long) iobuf[4] << 24) +
+		((unsigned long) iobuf[5] << 16) +
+		((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]);
+	dev_desc->log2blksz = LOG2(dev_desc->blksz);
+#ifdef CONFIG_LBA48
+	/* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
+	dev_desc->lba48 = 0;
 #endif
+	return;
+}
 
-static void ide_ident(struct blk_desc *dev_desc);
-static uchar ide_wait(int dev, ulong t);
+#endif /* CONFIG_ATAPI */
 
-#define IDE_TIME_OUT	2000	/* 2 sec timeout */
+static void ide_ident(struct blk_desc *dev_desc)
+{
+	unsigned char c;
+	hd_driveid_t iop;
 
-#define ATAPI_TIME_OUT	7000	/* 7 sec timeout (5 sec seems to work...) */
+#ifdef CONFIG_ATAPI
+	int retries = 0;
+#endif
+	int device;
 
-#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
+	device = dev_desc->devnum;
+	printf("  Device %d: ", device);
 
-static void ident_cpy(unsigned char *dest, unsigned char *src,
-		      unsigned int len);
+	ide_led(DEVICE_LED(device), 1);	/* LED on       */
+	/* Select device
+	 */
+	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
+	dev_desc->if_type = IF_TYPE_IDE;
+#ifdef CONFIG_ATAPI
 
-#ifndef CONFIG_SYS_ATA_PORT_ADDR
-#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
+	retries = 0;
+
+	/* Warning: This will be tricky to read */
+	while (retries <= 1) {
+		/* check signature */
+		if ((ide_inb(device, ATA_SECT_CNT) == 0x01) &&
+		    (ide_inb(device, ATA_SECT_NUM) == 0x01) &&
+		    (ide_inb(device, ATA_CYL_LOW) == 0x14) &&
+		    (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) {
+			/* ATAPI Signature found */
+			dev_desc->if_type = IF_TYPE_ATAPI;
+			/*
+			 * Start Ident Command
+			 */
+			ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT);
+			/*
+			 * Wait for completion - ATAPI devices need more time
+			 * to become ready
+			 */
+			c = ide_wait(device, ATAPI_TIME_OUT);
+		} else
 #endif
+		{
+			/*
+			 * Start Ident Command
+			 */
+			ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT);
 
+			/*
+			 * Wait for completion
+			 */
+			c = ide_wait(device, IDE_TIME_OUT);
+		}
+		ide_led(DEVICE_LED(device), 0);	/* LED off      */
+
+		if (((c & ATA_STAT_DRQ) == 0) ||
+		    ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) {
 #ifdef CONFIG_ATAPI
-static void atapi_inquiry(struct blk_desc *dev_desc);
-static ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr,
-			lbaint_t blkcnt, void *buffer);
+			{
+				/*
+				 * Need to soft reset the device
+				 * in case it's an ATAPI...
+				 */
+				debug("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
+		}
+#ifdef CONFIG_ATAPI
+		else
+			break;
+	}			/* see above - ugly to read */
+
+	if (retries == 2)	/* Not found */
+		return;
+#endif
+
+	ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS);
+
+	ident_cpy((unsigned char *)dev_desc->revision, iop.fw_rev,
+		  sizeof(dev_desc->revision));
+	ident_cpy((unsigned char *)dev_desc->vendor, iop.model,
+		  sizeof(dev_desc->vendor));
+	ident_cpy((unsigned char *)dev_desc->product, iop.serial_no,
+		  sizeof(dev_desc->product));
+#ifdef __LITTLE_ENDIAN
+	/*
+	 * firmware revision, model, and serial number have Big Endian Byte
+	 * order in Word. Convert all three to little endian.
+	 *
+	 * See CF+ and CompactFlash Specification Revision 2.0:
+	 * 6.2.1.6: Identify Drive, Table 39 for more details
+	 */
+
+	strswab(dev_desc->revision);
+	strswab(dev_desc->vendor);
+	strswab(dev_desc->product);
+#endif /* __LITTLE_ENDIAN */
+
+	if ((iop.config & 0x0080) == 0x0080)
+		dev_desc->removable = 1;
+	else
+		dev_desc->removable = 0;
+
+#ifdef CONFIG_ATAPI
+	if (dev_desc->if_type == IF_TYPE_ATAPI) {
+		atapi_inquiry(dev_desc);
+		return;
+	}
+#endif /* CONFIG_ATAPI */
+
+#ifdef __BIG_ENDIAN
+	/* swap shorts */
+	dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16);
+#else  /* ! __BIG_ENDIAN */
+	/*
+	 * do not swap shorts on little endian
+	 *
+	 * See CF+ and CompactFlash Specification Revision 2.0:
+	 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
+	 */
+	dev_desc->lba = iop.lba_capacity;
+#endif /* __BIG_ENDIAN */
 
+#ifdef CONFIG_LBA48
+	if (iop.command_set_2 & 0x0400) {	/* LBA 48 support */
+		dev_desc->lba48 = 1;
+		dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] |
+			((unsigned long long) iop.lba48_capacity[1] << 16) |
+			((unsigned long long) iop.lba48_capacity[2] << 32) |
+			((unsigned long long) iop.lba48_capacity[3] << 48);
+	} else {
+		dev_desc->lba48 = 0;
+	}
+#endif /* CONFIG_LBA48 */
+	/* assuming HD */
+	dev_desc->type = DEV_TYPE_HARDDISK;
+	dev_desc->blksz = ATA_BLOCKSIZE;
+	dev_desc->log2blksz = LOG2(dev_desc->blksz);
+	dev_desc->lun = 0;	/* just to fill something in... */
+
+#if 0				/* only used to test the powersaving mode,
+				 * if enabled, the drive goes after 5 sec
+				 * in standby mode */
+	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
+	c = ide_wait(device, IDE_TIME_OUT);
+	ide_outb(device, ATA_SECT_CNT, 1);
+	ide_outb(device, ATA_LBA_LOW, 0);
+	ide_outb(device, ATA_LBA_MID, 0);
+	ide_outb(device, ATA_LBA_HIGH, 0);
+	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
+	ide_outb(device, ATA_COMMAND, 0xe3);
+	udelay(50);
+	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */
+#endif
+}
 
 /* ------------------------------------------------------------------------- */
 
@@ -120,8 +772,8 @@ int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 			return 0;
 
 		} else if (strncmp(argv[1], "dev", 3) == 0) {
-			if ((curr_device < 0)
-			    || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
+			if (curr_device < 0 ||
+			    curr_device >= CONFIG_SYS_IDE_MAXDEVICE) {
 				puts("\nno IDE devices available\n");
 				return 1;
 			}
@@ -235,8 +887,8 @@ int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 			n = ide_write(&ide_dev_desc[curr_device], blk, cnt,
 				      (ulong *)addr);
 
-			printf("%ld blocks written: %s\n",
-				n, (n == cnt) ? "OK" : "ERROR");
+			printf("%ld blocks written: %s\n", n,
+			       n == cnt ? "OK" : "ERROR");
 			if (n == cnt)
 				return 0;
 			else
@@ -272,12 +924,6 @@ __weak void ide_led(uchar led, uchar status)
 #endif
 }
 
-#ifndef CONFIG_IDE_LED	/* define LED macros, they are not used anyways */
-# define DEVICE_LED(x) 0
-# define LED_IDE1 1
-# define LED_IDE2 2
-#endif
-
 /* ------------------------------------------------------------------------- */
 
 __weak void ide_outb(int dev, int port, unsigned char val)
@@ -465,16 +1111,16 @@ __weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
 __weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
 {
 	volatile ushort *pbuf =
-		(ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
-	ushort *dbuf = (ushort *) sect_buf;
+		(ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
+	ushort *dbuf = (ushort *)sect_buf;
 
 	debug("in input swap data base for read is %lx\n",
 	      (unsigned long) pbuf);
 
 	while (words--) {
 #ifdef __MIPS__
-		*dbuf++ = swab16p((u16 *) pbuf);
-		*dbuf++ = swab16p((u16 *) pbuf);
+		*dbuf++ = swab16p((u16 *)pbuf);
+		*dbuf++ = swab16p((u16 *)pbuf);
 #else
 		*dbuf++ = ld_le16(pbuf);
 		*dbuf++ = ld_le16(pbuf);
@@ -490,8 +1136,8 @@ __weak void ide_output_data(int dev, const ulong *sect_buf, int words)
 	ushort *dbuf;
 	volatile ushort *pbuf;
 
-	pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
-	dbuf = (ushort *) sect_buf;
+	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
+	dbuf = (ushort *)sect_buf;
 	while (words--) {
 		EIEIO;
 		*pbuf = *dbuf++;
@@ -516,8 +1162,8 @@ __weak void ide_input_data(int dev, ulong *sect_buf, int words)
 	ushort *dbuf;
 	volatile ushort *pbuf;
 
-	pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
-	dbuf = (ushort *) sect_buf;
+	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
+	dbuf = (ushort *)sect_buf;
 
 	debug("in input data base for read is %lx\n", (unsigned long) pbuf);
 
@@ -540,178 +1186,6 @@ __weak void ide_input_data(int dev, ulong *sect_buf, int words)
 
 #endif /* CONFIG_IDE_SWAP_IO */
 
-/* -------------------------------------------------------------------------
- */
-static void ide_ident(struct blk_desc *dev_desc)
-{
-	unsigned char c;
-	hd_driveid_t iop;
-
-#ifdef CONFIG_ATAPI
-	int retries = 0;
-#endif
-	int device;
-
-	device = dev_desc->devnum;
-	printf("  Device %d: ", device);
-
-	ide_led(DEVICE_LED(device), 1);	/* LED on       */
-	/* Select device
-	 */
-	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
-	dev_desc->if_type = IF_TYPE_IDE;
-#ifdef CONFIG_ATAPI
-
-	retries = 0;
-
-	/* Warning: This will be tricky to read */
-	while (retries <= 1) {
-		/* check signature */
-		if ((ide_inb(device, ATA_SECT_CNT) == 0x01) &&
-		    (ide_inb(device, ATA_SECT_NUM) == 0x01) &&
-		    (ide_inb(device, ATA_CYL_LOW) == 0x14) &&
-		    (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) {
-			/* ATAPI Signature found */
-			dev_desc->if_type = IF_TYPE_ATAPI;
-			/*
-			 * Start Ident Command
-			 */
-			ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT);
-			/*
-			 * Wait for completion - ATAPI devices need more time
-			 * to become ready
-			 */
-			c = ide_wait(device, ATAPI_TIME_OUT);
-		} else
-#endif
-		{
-			/*
-			 * Start Ident Command
-			 */
-			ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT);
-
-			/*
-			 * Wait for completion
-			 */
-			c = ide_wait(device, IDE_TIME_OUT);
-		}
-		ide_led(DEVICE_LED(device), 0);	/* LED off      */
-
-		if (((c & ATA_STAT_DRQ) == 0) ||
-		    ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) {
-#ifdef CONFIG_ATAPI
-			{
-				/*
-				 * Need to soft reset the device
-				 * in case it's an ATAPI...
-				 */
-				debug("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
-		}
-#ifdef CONFIG_ATAPI
-		else
-			break;
-	}			/* see above - ugly to read */
-
-	if (retries == 2)	/* Not found */
-		return;
-#endif
-
-	ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS);
-
-	ident_cpy((unsigned char *) dev_desc->revision, iop.fw_rev,
-		  sizeof(dev_desc->revision));
-	ident_cpy((unsigned char *) dev_desc->vendor, iop.model,
-		  sizeof(dev_desc->vendor));
-	ident_cpy((unsigned char *) dev_desc->product, iop.serial_no,
-		  sizeof(dev_desc->product));
-#ifdef __LITTLE_ENDIAN
-	/*
-	 * firmware revision, model, and serial number have Big Endian Byte
-	 * order in Word. Convert all three to little endian.
-	 *
-	 * See CF+ and CompactFlash Specification Revision 2.0:
-	 * 6.2.1.6: Identify Drive, Table 39 for more details
-	 */
-
-	strswab(dev_desc->revision);
-	strswab(dev_desc->vendor);
-	strswab(dev_desc->product);
-#endif /* __LITTLE_ENDIAN */
-
-	if ((iop.config & 0x0080) == 0x0080)
-		dev_desc->removable = 1;
-	else
-		dev_desc->removable = 0;
-
-#ifdef CONFIG_ATAPI
-	if (dev_desc->if_type == IF_TYPE_ATAPI) {
-		atapi_inquiry(dev_desc);
-		return;
-	}
-#endif /* CONFIG_ATAPI */
-
-#ifdef __BIG_ENDIAN
-	/* swap shorts */
-	dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16);
-#else  /* ! __BIG_ENDIAN */
-	/*
-	 * do not swap shorts on little endian
-	 *
-	 * See CF+ and CompactFlash Specification Revision 2.0:
-	 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
-	 */
-	dev_desc->lba = iop.lba_capacity;
-#endif /* __BIG_ENDIAN */
-
-#ifdef CONFIG_LBA48
-	if (iop.command_set_2 & 0x0400) {	/* LBA 48 support */
-		dev_desc->lba48 = 1;
-		dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] |
-			((unsigned long long) iop.lba48_capacity[1] << 16) |
-			((unsigned long long) iop.lba48_capacity[2] << 32) |
-			((unsigned long long) iop.lba48_capacity[3] << 48);
-	} else {
-		dev_desc->lba48 = 0;
-	}
-#endif /* CONFIG_LBA48 */
-	/* assuming HD */
-	dev_desc->type = DEV_TYPE_HARDDISK;
-	dev_desc->blksz = ATA_BLOCKSIZE;
-	dev_desc->log2blksz = LOG2(dev_desc->blksz);
-	dev_desc->lun = 0;	/* just to fill something in... */
-
-#if 0				/* only used to test the powersaving mode,
-				 * if enabled, the drive goes after 5 sec
-				 * in standby mode */
-	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
-	c = ide_wait(device, IDE_TIME_OUT);
-	ide_outb(device, ATA_SECT_CNT, 1);
-	ide_outb(device, ATA_LBA_LOW, 0);
-	ide_outb(device, ATA_LBA_MID, 0);
-	ide_outb(device, ATA_LBA_HIGH, 0);
-	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
-	ide_outb(device, ATA_COMMAND, 0xe3);
-	udelay(50);
-	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */
-#endif
-}
-
-
 /* ------------------------------------------------------------------------- */
 
 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
@@ -820,8 +1294,8 @@ ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
 
 		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
 		    ATA_STAT_DRQ) {
-			printf("Error (no IRQ) dev %d blk " LBAF ": status "
-			       "%#02x\n", device, blknr, c);
+			printf("Error (no IRQ) dev %d blk " LBAF
+			       ": status %#02x\n", device, blknr, c);
 			break;
 		}
 
@@ -863,7 +1337,6 @@ ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
 
 	while (blkcnt-- > 0) {
-
 		c = ide_wait(device, IDE_TIME_OUT);
 
 		if (c & ATA_STAT_BUSY) {
@@ -910,8 +1383,8 @@ ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
 
 		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
 		    ATA_STAT_DRQ) {
-			printf("Error (no IRQ) dev %d blk " LBAF ": status "
-				"%#02x\n", device, blknr, c);
+			printf("Error (no IRQ) dev %d blk " LBAF
+			       ": status %#02x\n", device, blknr, c);
 			goto WR_OUT;
 		}
 
@@ -928,521 +1401,16 @@ WR_OUT:
 
 /* ------------------------------------------------------------------------- */
 
-/*
- * copy src to dest, skipping leading and trailing blanks and null
- * terminate the string
- * "len" is the size of available memory including the terminating '\0'
- */
-static void ident_cpy(unsigned char *dst, unsigned char *src,
-		      unsigned int len)
-{
-	unsigned char *end, *last;
-
-	last = dst;
-	end = src + len - 1;
-
-	/* reserve space for '\0' */
-	if (len < 2)
-		goto OUT;
-
-	/* skip leading white space */
-	while ((*src) && (src < end) && (*src == ' '))
-		++src;
-
-	/* copy string, omitting trailing white space */
-	while ((*src) && (src < end)) {
-		*dst++ = *src;
-		if (*src++ != ' ')
-			last = dst;
-	}
-OUT:
-	*last = '\0';
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Wait until Busy bit is off, or timeout (in ms)
- * Return last status
- */
-static uchar ide_wait(int dev, ulong t)
-{
-	ulong delay = 10 * t;	/* poll every 100 us */
-	uchar c;
-
-	while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
-		udelay(100);
-		if (delay-- == 0)
-			break;
-	}
-	return c;
-}
-
-/* ------------------------------------------------------------------------- */
-
-#ifdef CONFIG_IDE_RESET
-extern void ide_set_reset(int idereset);
-
-static void ide_reset(void)
-{
-	int i;
-
-	curr_device = -1;
-	for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i)
-		ide_bus_ok[i] = 0;
-	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i)
-		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
-
-	ide_set_reset(1);	/* assert reset */
-
-	/* the reset signal shall be asserted for et least 25 us */
-	udelay(25);
-
-	WATCHDOG_RESET();
-
-	/* de-assert RESET signal */
-	ide_set_reset(0);
-
-	/* wait 250 ms */
-	for (i = 0; i < 250; ++i)
-		udelay(1000);
-}
-
-#endif /* CONFIG_IDE_RESET */
-
-/* ------------------------------------------------------------------------- */
-
 #if defined(CONFIG_OF_IDE_FIXUP)
 int ide_device_present(int dev)
 {
 	if (dev >= CONFIG_SYS_IDE_MAXBUS)
 		return 0;
-	return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1);
-}
-#endif
-/* ------------------------------------------------------------------------- */
-
-#ifdef CONFIG_ATAPI
-/****************************************************************************
- * ATAPI Support
- */
-
-#if defined(CONFIG_IDE_SWAP_IO)
-/* since ATAPI may use commands with not 4 bytes alligned length
- * we have our own transfer functions, 2 bytes alligned */
-__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
-{
-	ushort *dbuf;
-	volatile ushort *pbuf;
-
-	pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
-	dbuf = (ushort *) sect_buf;
-
-	debug("in output data shorts base for read is %lx\n",
-	      (unsigned long) pbuf);
-
-	while (shorts--) {
-		EIEIO;
-		*pbuf = *dbuf++;
-	}
-}
-
-__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
-{
-	ushort *dbuf;
-	volatile ushort *pbuf;
-
-	pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
-	dbuf = (ushort *) sect_buf;
-
-	debug("in input data shorts base for read is %lx\n",
-	      (unsigned long) pbuf);
-
-	while (shorts--) {
-		EIEIO;
-		*dbuf++ = *pbuf;
-	}
-}
-
-#else  /* ! CONFIG_IDE_SWAP_IO */
-__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
-{
-	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
-}
-
-__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
-{
-	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
-}
-
-#endif /* CONFIG_IDE_SWAP_IO */
-
-/*
- * Wait until (Status & mask) == res, or timeout (in ms)
- * Return last status
- * This is used since some ATAPI CD ROMs clears their Busy Bit first
- * and then they set their DRQ Bit
- */
-static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res)
-{
-	ulong delay = 10 * t;	/* poll every 100 us */
-	uchar c;
-
-	/* prevents to read the status before valid */
-	c = ide_inb(dev, ATA_DEV_CTL);
-
-	while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
-		/* break if error occurs (doesn't make sense to wait more) */
-		if ((c & ATA_STAT_ERR) == ATA_STAT_ERR)
-			break;
-		udelay(100);
-		if (delay-- == 0)
-			break;
-	}
-	return c;
-}
-
-/*
- * issue an atapi command
- */
-unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen,
-			  unsigned char *buffer, int buflen)
-{
-	unsigned char c, err, mask, res;
-	int n;
-
-	ide_led(DEVICE_LED(device), 1);	/* LED on       */
-
-	/* Select device
-	 */
-	mask = ATA_STAT_BUSY | ATA_STAT_DRQ;
-	res = 0;
-	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
-	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
-	if ((c & mask) != res) {
-		printf("ATAPI_ISSUE: device %d not ready status %X\n", device,
-		       c);
-		err = 0xFF;
-		goto AI_OUT;
-	}
-	/* write taskfile */
-	ide_outb(device, ATA_ERROR_REG, 0);	/* no DMA, no overlaped */
-	ide_outb(device, ATA_SECT_CNT, 0);
-	ide_outb(device, ATA_SECT_NUM, 0);
-	ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF));
-	ide_outb(device, ATA_CYL_HIGH,
-		 (unsigned char) ((buflen >> 8) & 0xFF));
-	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
-
-	ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET);
-	udelay(50);
-
-	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
-	res = ATA_STAT_DRQ;
-	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
-
-	if ((c & mask) != res) {	/* DRQ must be 1, BSY 0 */
-		printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",
-		       device, c);
-		err = 0xFF;
-		goto AI_OUT;
-	}
-
-	/* write command block */
-	ide_output_data_shorts(device, (unsigned short *) ccb, ccblen / 2);
-
-	/* ATAPI Command written wait for completition */
-	udelay(5000);		/* device must set bsy */
-
-	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
-	/*
-	 * if no data wait for DRQ = 0 BSY = 0
-	 * if data wait for DRQ = 1 BSY = 0
-	 */
-	res = 0;
-	if (buflen)
-		res = ATA_STAT_DRQ;
-	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
-	if ((c & mask) != res) {
-		if (c & ATA_STAT_ERR) {
-			err = (ide_inb(device, ATA_ERROR_REG)) >> 4;
-			debug("atapi_issue 1 returned sense key %X status %02X\n",
-			      err, c);
-		} else {
-			printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x)  status 0x%02x\n",
-			       ccb[0], c);
-			err = 0xFF;
-		}
-		goto AI_OUT;
-	}
-	n = ide_inb(device, ATA_CYL_HIGH);
-	n <<= 8;
-	n += ide_inb(device, ATA_CYL_LOW);
-	if (n > buflen) {
-		printf("ERROR, transfer bytes %d requested only %d\n", n,
-		       buflen);
-		err = 0xff;
-		goto AI_OUT;
-	}
-	if ((n == 0) && (buflen < 0)) {
-		printf("ERROR, transfer bytes %d requested %d\n", n, buflen);
-		err = 0xff;
-		goto AI_OUT;
-	}
-	if (n != buflen) {
-		debug("WARNING, transfer bytes %d not equal with requested %d\n",
-		      n, buflen);
-	}
-	if (n != 0) {		/* data transfer */
-		debug("ATAPI_ISSUE: %d Bytes to transfer\n", n);
-		/* we transfer shorts */
-		n >>= 1;
-		/* ok now decide if it is an in or output */
-		if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) {
-			debug("Write to device\n");
-			ide_output_data_shorts(device,
-				(unsigned short *) buffer, n);
-		} else {
-			debug("Read from device @ %p shorts %d\n", buffer, n);
-			ide_input_data_shorts(device,
-				(unsigned short *) buffer, n);
-		}
-	}
-	udelay(5000);		/* seems that some CD ROMs need this... */
-	mask = ATA_STAT_BUSY | ATA_STAT_ERR;
-	res = 0;
-	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
-	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
-		err = (ide_inb(device, ATA_ERROR_REG) >> 4);
-		debug("atapi_issue 2 returned sense key %X status %X\n", err,
-		      c);
-	} else {
-		err = 0;
-	}
-AI_OUT:
-	ide_led(DEVICE_LED(device), 0);	/* LED off      */
-	return err;
-}
-
-/*
- * sending the command to atapi_issue. If an status other than good
- * returns, an request_sense will be issued
- */
-
-#define ATAPI_DRIVE_NOT_READY	100
-#define ATAPI_UNIT_ATTN		10
-
-unsigned char atapi_issue_autoreq(int device,
-				  unsigned char *ccb,
-				  int ccblen,
-				  unsigned char *buffer, int buflen)
-{
-	unsigned char sense_data[18], sense_ccb[12];
-	unsigned char res, key, asc, ascq;
-	int notready, unitattn;
-
-	unitattn = ATAPI_UNIT_ATTN;
-	notready = ATAPI_DRIVE_NOT_READY;
-
-retry:
-	res = atapi_issue(device, ccb, ccblen, buffer, buflen);
-	if (res == 0)
-		return 0;	/* Ok */
-
-	if (res == 0xFF)
-		return 0xFF;	/* error */
-
-	debug("(auto_req)atapi_issue returned sense key %X\n", res);
-
-	memset(sense_ccb, 0, sizeof(sense_ccb));
-	memset(sense_data, 0, sizeof(sense_data));
-	sense_ccb[0] = ATAPI_CMD_REQ_SENSE;
-	sense_ccb[4] = 18;	/* allocation Length */
-
-	res = atapi_issue(device, sense_ccb, 12, sense_data, 18);
-	key = (sense_data[2] & 0xF);
-	asc = (sense_data[12]);
-	ascq = (sense_data[13]);
-
-	debug("ATAPI_CMD_REQ_SENSE returned %x\n", res);
-	debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
-	      sense_data[0], key, asc, ascq);
-
-	if ((key == 0))
-		return 0;	/* ok device ready */
-
-	if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */
-		if (unitattn-- > 0) {
-			udelay(200 * 1000);
-			goto retry;
-		}
-		printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN);
-		goto error;
-	}
-	if ((asc == 0x4) && (ascq == 0x1)) {
-		/* not ready, but will be ready soon */
-		if (notready-- > 0) {
-			udelay(200 * 1000);
-			goto retry;
-		}
-		printf("Drive not ready, tried %d times\n",
-		       ATAPI_DRIVE_NOT_READY);
-		goto error;
-	}
-	if (asc == 0x3a) {
-		debug("Media not present\n");
-		goto error;
-	}
-
-	printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc,
-	       ascq);
-error:
-	debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq);
-	return 0xFF;
+	return ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1;
 }
-
-
-static void atapi_inquiry(struct blk_desc *dev_desc)
-{
-	unsigned char ccb[12];	/* Command descriptor block */
-	unsigned char iobuf[64];	/* temp buf */
-	unsigned char c;
-	int device;
-
-	device = dev_desc->devnum;
-	dev_desc->type = DEV_TYPE_UNKNOWN;	/* not yet valid */
-	dev_desc->block_read = atapi_read;
-
-	memset(ccb, 0, sizeof(ccb));
-	memset(iobuf, 0, sizeof(iobuf));
-
-	ccb[0] = ATAPI_CMD_INQUIRY;
-	ccb[4] = 40;		/* allocation Legnth */
-	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 40);
-
-	debug("ATAPI_CMD_INQUIRY returned %x\n", c);
-	if (c != 0)
-		return;
-
-	/* copy device ident strings */
-	ident_cpy((unsigned char *) dev_desc->vendor, &iobuf[8], 8);
-	ident_cpy((unsigned char *) dev_desc->product, &iobuf[16], 16);
-	ident_cpy((unsigned char *) dev_desc->revision, &iobuf[32], 5);
-
-	dev_desc->lun = 0;
-	dev_desc->lba = 0;
-	dev_desc->blksz = 0;
-	dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz));
-	dev_desc->type = iobuf[0] & 0x1f;
-
-	if ((iobuf[1] & 0x80) == 0x80)
-		dev_desc->removable = 1;
-	else
-		dev_desc->removable = 0;
-
-	memset(ccb, 0, sizeof(ccb));
-	memset(iobuf, 0, sizeof(iobuf));
-	ccb[0] = ATAPI_CMD_START_STOP;
-	ccb[4] = 0x03;		/* start */
-
-	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0);
-
-	debug("ATAPI_CMD_START_STOP returned %x\n", c);
-	if (c != 0)
-		return;
-
-	memset(ccb, 0, sizeof(ccb));
-	memset(iobuf, 0, sizeof(iobuf));
-	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0);
-
-	debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c);
-	if (c != 0)
-		return;
-
-	memset(ccb, 0, sizeof(ccb));
-	memset(iobuf, 0, sizeof(iobuf));
-	ccb[0] = ATAPI_CMD_READ_CAP;
-	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 8);
-	debug("ATAPI_CMD_READ_CAP returned %x\n", c);
-	if (c != 0)
-		return;
-
-	debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
-	      iobuf[0], iobuf[1], iobuf[2], iobuf[3],
-	      iobuf[4], iobuf[5], iobuf[6], iobuf[7]);
-
-	dev_desc->lba = ((unsigned long) iobuf[0] << 24) +
-		((unsigned long) iobuf[1] << 16) +
-		((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]);
-	dev_desc->blksz = ((unsigned long) iobuf[4] << 24) +
-		((unsigned long) iobuf[5] << 16) +
-		((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]);
-	dev_desc->log2blksz = LOG2(dev_desc->blksz);
-#ifdef CONFIG_LBA48
-	/* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
-	dev_desc->lba48 = 0;
 #endif
-	return;
-}
-
-
-/*
- * atapi_read:
- * we transfer only one block per command, since the multiple DRQ per
- * command is not yet implemented
- */
-#define ATAPI_READ_MAX_BYTES	2048	/* we read max 2kbytes */
-#define ATAPI_READ_BLOCK_SIZE	2048	/* assuming CD part */
-#define ATAPI_READ_MAX_BLOCK	(ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE)
-
-ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
-		 void *buffer)
-{
-	int device = block_dev->devnum;
-	ulong n = 0;
-	unsigned char ccb[12];	/* Command descriptor block */
-	ulong cnt;
-
-	debug("atapi_read dev %d start " LBAF " blocks " LBAF
-	      " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);
-
-	do {
-		if (blkcnt > ATAPI_READ_MAX_BLOCK)
-			cnt = ATAPI_READ_MAX_BLOCK;
-		else
-			cnt = blkcnt;
-
-		ccb[0] = ATAPI_CMD_READ_12;
-		ccb[1] = 0;	/* reserved */
-		ccb[2] = (unsigned char) (blknr >> 24) & 0xFF;	/* MSB Block */
-		ccb[3] = (unsigned char) (blknr >> 16) & 0xFF;	/*  */
-		ccb[4] = (unsigned char) (blknr >> 8) & 0xFF;
-		ccb[5] = (unsigned char) blknr & 0xFF;	/* LSB Block */
-		ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */
-		ccb[7] = (unsigned char) (cnt >> 16) & 0xFF;
-		ccb[8] = (unsigned char) (cnt >> 8) & 0xFF;
-		ccb[9] = (unsigned char) cnt & 0xFF;	/* LSB Block */
-		ccb[10] = 0;	/* reserved */
-		ccb[11] = 0;	/* reserved */
-
-		if (atapi_issue_autoreq(device, ccb, 12,
-					(unsigned char *) buffer,
-					cnt * ATAPI_READ_BLOCK_SIZE)
-		    == 0xFF) {
-			return n;
-		}
-		n += cnt;
-		blkcnt -= cnt;
-		blknr += cnt;
-		buffer += (cnt * ATAPI_READ_BLOCK_SIZE);
-	} while (blkcnt > 0);
-	return n;
-}
-
 /* ------------------------------------------------------------------------- */
 
-#endif /* CONFIG_ATAPI */
-
 U_BOOT_CMD(ide, 5, 1, do_ide,
 	   "IDE sub-system",
 	   "reset - reset IDE controller\n"