Merge with git://www.denx.de/git/u-boot.git

4 files changed, 793 insertions, 55 deletions

diff --git a/common/Makefile b/common/Makefile
index bc1f714..ef7d097 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -38,8 +38,8 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \
 	  cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \
 	  cmd_nand.o cmd_net.o cmd_nvedit.o \
 	  cmd_pci.o cmd_pcmcia.o cmd_portio.o \
-	  cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o \
-	  cmd_usb.o cmd_vfd.o \
+	  cmd_reginfo.o cmd_reiser.o cmd_sata.o cmd_scsi.o cmd_spi.o \
+	  cmd_universe.o cmd_usb.o cmd_vfd.o \
 	  command.o console.o cyclon2.o devices.o dlmalloc.o docecc.o \
 	  environment.o env_common.o \
 	  env_nand.o env_dataflash.o env_flash.o env_eeprom.o \
diff --git a/common/cmd_log.c b/common/cmd_log.c
index 042a403..fba8bd8 100644
--- a/common/cmd_log.c
+++ b/common/cmd_log.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2002
+ * (C) Copyright 2002-2007
  * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
  *
  * Code used from linux/kernel/printk.c
@@ -60,45 +60,40 @@ static char buf[1024];
 /* This combination will not print messages with the default loglevel */
 static unsigned console_loglevel = 3;
 static unsigned default_message_loglevel = 4;
-static unsigned char *log_buf = NULL;
-static unsigned long *ext_log_size;
-static unsigned long *ext_log_start;
-static unsigned long *ext_logged_chars;
-#define log_size (*ext_log_size)
-#define log_start (*ext_log_start)
-#define logged_chars (*ext_logged_chars)
+static unsigned log_version = 1;
+static logbuff_t *log;
 
-/* Forced by code, eh! */
-#define LOGBUFF_MAGIC 0xc0de4ced
-
-/* The mapping used here has to be the same as in setup_ext_logbuff ()
-   in linux/kernel/printk */
 void logbuff_init_ptrs (void)
 {
-	unsigned long *ext_tag;
-	unsigned long post_word;
+	unsigned long tag, post_word;
 	char *s;
 
-	log_buf = (unsigned char *)(gd->bd->bi_memsize-LOGBUFF_LEN);
-	ext_tag = (unsigned long *)(log_buf)-4;
- 	ext_log_start = (unsigned long *)(log_buf)-3;
-	ext_log_size = (unsigned long *)(log_buf)-2;
-	ext_logged_chars = (unsigned long *)(log_buf)-1;
+	log = (logbuff_t *)(gd->bd->bi_memsize-LOGBUFF_LEN) - 1;
+
+	/* Set up log version */
+	if ((s = getenv ("logversion")) != NULL)
+		log_version = (int)simple_strtoul (s, NULL, 10);
+
+	if (log_version == 2)
+		tag = log->v2.tag;
+	else
+		tag = log->v1.tag;
 	post_word = post_word_load();
 #ifdef CONFIG_POST
 	/* The post routines have setup the word so we can simply test it */
- 	if (post_word_load () & POST_COLDBOOT) {
- 		logged_chars = log_size = log_start = 0;
-		*ext_tag = LOGBUFF_MAGIC;
- 	}
+	if (tag != LOGBUFF_MAGIC || (post_word & POST_COLDBOOT)) {
+		logbuff_reset ();
+	}
 #else
 	/* No post routines, so we do our own checking                    */
- 	if (post_word != LOGBUFF_MAGIC) {
- 		logged_chars = log_size = log_start = 0;
+	if (tag != LOGBUFF_MAGIC || post_word != LOGBUFF_MAGIC) {
+		logbuff_reset ();
 		post_word_store (LOGBUFF_MAGIC);
-		*ext_tag = LOGBUFF_MAGIC;
- 	}
+	}
 #endif
+	if (log_version == 2 && (long)log->v2.start > (long)log->v2.con)
+		log->v2.start = log->v2.con;
+
 	/* Initialize default loglevel if present */
 	if ((s = getenv ("loglevel")) != NULL)
 		console_loglevel = (int)simple_strtoul (s, NULL, 10);
@@ -106,6 +101,15 @@ void logbuff_init_ptrs (void)
 	gd->post_log_word |= LOGBUFF_INITIALIZED;
 }
 
+void logbuff_reset (void)
+{
+	memset (log, 0, sizeof (logbuff_t));
+	if (log_version == 2)
+		log->v2.tag = LOGBUFF_MAGIC;
+	else
+		log->v1.tag = LOGBUFF_MAGIC;
+}
+
 int drv_logbuff_init (void)
 {
 	device_t logdev;
@@ -162,7 +166,7 @@ void logbuff_log(char *msg)
 int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
 	char *s;
-	unsigned long i;
+	unsigned long i, start, size;
 
 	if (strcmp(argv[1],"append") == 0) {
 		/* Log concatenation of all arguments separated by spaces */
@@ -177,21 +181,34 @@ int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	case 2:
 		if (strcmp(argv[1],"show") == 0) {
-			for (i=0; i < (log_size&LOGBUFF_MASK); i++) {
-				s = (char *)log_buf+((log_start+i)&LOGBUFF_MASK);
+			if (log_version == 2) {
+				start = log->v2.start;
+				size = log->v2.end - log->v2.start;
+			}
+			else {
+				start = log->v1.start;
+				size = log->v1.size;
+			}
+			for (i=0; i < (size&LOGBUFF_MASK); i++) {
+				s = (char *)log->buf+((start+i)&LOGBUFF_MASK);
 				putc (*s);
 			}
 			return 0;
 		} else if (strcmp(argv[1],"reset") == 0) {
-			log_start    = 0;
-			log_size     = 0;
-			logged_chars = 0;
+			logbuff_reset ();
 			return 0;
 		} else if (strcmp(argv[1],"info") == 0) {
-			printf ("Logbuffer   at  %08lx\n", (unsigned long)log_buf);
-			printf ("log_start    =  %08lx\n", log_start);
-			printf ("log_size     =  %08lx\n", log_size);
-			printf ("logged_chars =  %08lx\n", logged_chars);
+			printf ("Logbuffer   at  %08lx\n", (unsigned long)log->buf);
+			if (log_version == 2) {
+				printf ("log_start    =  %08lx\n", log->v2.start);
+				printf ("log_end      =  %08lx\n", log->v2.end);
+				printf ("logged_chars =  %08lx\n", log->v2.chars);
+			}
+			else {
+				printf ("log_start    =  %08lx\n", log->v1.start);
+				printf ("log_size     =  %08lx\n", log->v1.size);
+				printf ("logged_chars =  %08lx\n", log->v1.chars);
+			}
 			return 0;
 		}
 		printf ("Usage:\n%s\n", cmdtp->usage);
@@ -202,7 +219,7 @@ int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 }
-#if defined(CONFIG_LOGBUFFER)
+
 U_BOOT_CMD(
 	log,     255,	1,	do_log,
 	"log     - manipulate logbuffer\n",
@@ -211,7 +228,7 @@ U_BOOT_CMD(
 	"log show   - show contents\n"
 	"log append <msg> - append <msg> to the logbuffer\n"
 );
-#endif	/* CONFIG_LOGBUFFER */
+
 static int logbuff_printk(const char *line)
 {
 	int i;
@@ -241,13 +258,22 @@ static int logbuff_printk(const char *line)
 		}
 		line_feed = 0;
 		for (; p < buf_end; p++) {
-			log_buf[(log_start+log_size) & LOGBUFF_MASK] = *p;
-			if (log_size < LOGBUFF_LEN)
-				log_size++;
-			else
-				log_start++;
-
-			logged_chars++;
+			if (log_version == 2) {
+				log->buf[log->v2.end & LOGBUFF_MASK] = *p;
+				log->v2.end++;
+				if (log->v2.end - log->v2.start > LOGBUFF_LEN)
+					log->v2.start++;
+				log->v2.chars++;
+			}
+			else {
+				log->buf[(log->v1.start + log->v1.size) &
+					 LOGBUFF_MASK] = *p;
+				if (log->v1.size < LOGBUFF_LEN)
+					log->v1.size++;
+				else
+					log->v1.start++;
+				log->v1.chars++;
+			}
 			if (*p == '\n') {
 				line_feed = 1;
 				break;
diff --git a/common/cmd_sata.c b/common/cmd_sata.c
new file mode 100644
index 0000000..bd4c11f
--- /dev/null
+++ b/common/cmd_sata.c
@@ -0,0 +1,712 @@
+/*
+ * Copyright (C) Procsys. All rights reserved.
+ * Author: Mushtaq Khan <mushtaq_k@procsys.com>
+ *			<mushtaqk_921@yahoo.co.in>
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * with the reference to libata in kernel 2.4.32
+ *
+ */
+
+/*
+ * File contains SATA read-write and other utility functions.
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <pci.h>
+#include <command.h>
+#include <config.h>
+#include <ide.h>
+#include <ata.h>
+
+#ifdef CFG_SATA_SUPPORTED
+/*For debug prints set macro DEBUG_SATA to 1 */
+#define DEBUG_SATA 0
+/*Macro for SATA library specific declarations */
+#define SATA_DECL
+#include <sata.h>
+#undef SATA_DECL
+
+static u8 __inline__
+sata_inb (unsigned long ioaddr)
+{
+	return inb (ioaddr);
+}
+
+static void __inline__
+sata_outb (unsigned char val, unsigned long ioaddr)
+{
+	outb (val, ioaddr);
+}
+
+static void
+output_data (struct sata_ioports *ioaddr, ulong * sect_buf, int words)
+{
+	outsw (ioaddr->data_addr, sect_buf, words << 1);
+}
+
+static int
+input_data (struct sata_ioports *ioaddr, ulong * sect_buf, int words)
+{
+	insw (ioaddr->data_addr, sect_buf, words << 1);
+	return 0;
+}
+
+static void
+sata_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';
+}
+
+int
+sata_bus_softreset (int num)
+{
+	u8 dev = 0, status = 0, i;
+
+	port[num].dev_mask = 0;
+
+	for (i = 0; i < CFG_SATA_DEVS_PER_BUS; i++) {
+		if (!(sata_devchk (&port[num].ioaddr, i))) {
+			PRINTF ("dev_chk failed for dev#%d\n", i);
+		} else {
+			port[num].dev_mask |= (1 << i);
+			PRINTF ("dev_chk passed for dev#%d\n", i);
+		}
+	}
+
+	if (!(port[num].dev_mask)) {
+		printf ("no devices on port%d\n", num);
+		return 1;
+	}
+
+	dev_select (&port[num].ioaddr, dev);
+
+	port[num].ctl_reg = 0x08;	/*Default value of control reg */
+	sata_outb (port[num].ctl_reg, port[num].ioaddr.ctl_addr);
+	udelay (10);
+	sata_outb (port[num].ctl_reg | ATA_SRST, port[num].ioaddr.ctl_addr);
+	udelay (10);
+	sata_outb (port[num].ctl_reg, port[num].ioaddr.ctl_addr);
+
+	/* spec mandates ">= 2ms" before checking status.
+	 * We wait 150ms, because that was the magic delay used for
+	 * ATAPI devices in Hale Landis's ATADRVR, for the period of time
+	 * between when the ATA command register is written, and then
+	 * status is checked.  Because waiting for "a while" before
+	 * checking status is fine, post SRST, we perform this magic
+	 * delay here as well.
+	 */
+	msleep (150);
+	status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 300);
+	while ((status & ATA_BUSY)) {
+		msleep (100);
+		status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 3);
+	}
+
+	if (status & ATA_BUSY)
+		printf ("ata%u is slow to respond,plz be patient\n", port);
+
+	while ((status & ATA_BUSY)) {
+		msleep (100);
+		status = sata_chk_status (&port[num].ioaddr);
+	}
+
+	if (status & ATA_BUSY) {
+		printf ("ata%u failed to respond : ", port);
+		printf ("bus reset failed\n");
+		return 1;
+	}
+	return 0;
+}
+
+void
+sata_identify (int num, int dev)
+{
+	u8 cmd = 0, status = 0, devno = num * CFG_SATA_DEVS_PER_BUS + dev;
+	u16 iobuf[ATA_SECT_SIZE];
+	u64 n_sectors = 0;
+	u8 mask = 0;
+
+	memset (iobuf, 0, sizeof (iobuf));
+	hd_driveid_t *iop = (hd_driveid_t *) iobuf;
+
+	if (dev == 0)
+		mask = 0x01;
+	else
+		mask = 0x02;
+
+	if (!(port[num].dev_mask & mask)) {
+		printf ("dev%d is not present on port#%d\n", dev, num);
+		return;
+	}
+
+	printf ("port=%d dev=%d\n", num, dev);
+
+	dev_select (&port[num].ioaddr, dev);
+
+	status = 0;
+	cmd = ATA_CMD_IDENT;	/*Device Identify Command */
+	sata_outb (cmd, port[num].ioaddr.command_addr);
+	sata_inb (port[num].ioaddr.altstatus_addr);
+	udelay (10);
+
+	status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 1000);
+	if (status & ATA_ERR) {
+		printf ("\ndevice not responding\n");
+		port[num].dev_mask &= ~mask;
+		return;
+	}
+
+	input_data (&port[num].ioaddr, (ulong *) iobuf, ATA_SECTORWORDS);
+
+	PRINTF ("\nata%u: dev %u cfg 49:%04x 82:%04x 83:%04x 84:%04x85:%04x"
+		"86:%04x" "87:%04x 88:%04x\n", num, dev, iobuf[49],
+		iobuf[82], iobuf[83], iobuf[84], iobuf[85], iobuf[86],
+		iobuf[87], iobuf[88]);
+
+	/* we require LBA and DMA support (bits 8 & 9 of word 49) */
+	if (!ata_id_has_dma (iobuf) || !ata_id_has_lba (iobuf)) {
+		PRINTF ("ata%u: no dma/lba\n", num);
+	}
+	ata_dump_id (iobuf);
+
+	if (ata_id_has_lba48 (iobuf)) {
+		n_sectors = ata_id_u64 (iobuf, 100);
+	} else {
+		n_sectors = ata_id_u32 (iobuf, 60);
+	}
+	PRINTF ("no. of sectors %u\n", ata_id_u64 (iobuf, 100));
+	PRINTF ("no. of sectors %u\n", ata_id_u32 (iobuf, 60));
+
+	if (n_sectors == 0) {
+		port[num].dev_mask &= ~mask;
+		return;
+	}
+
+	sata_cpy (sata_dev_desc[devno].revision, iop->fw_rev,
+		  sizeof (sata_dev_desc[devno].revision));
+	sata_cpy (sata_dev_desc[devno].vendor, iop->model,
+		  sizeof (sata_dev_desc[devno].vendor));
+	sata_cpy (sata_dev_desc[devno].product, iop->serial_no,
+		  sizeof (sata_dev_desc[devno].product));
+	strswab (sata_dev_desc[devno].revision);
+	strswab (sata_dev_desc[devno].vendor);
+
+	if ((iop->config & 0x0080) == 0x0080) {
+		sata_dev_desc[devno].removable = 1;
+	} else {
+		sata_dev_desc[devno].removable = 0;
+	}
+
+	sata_dev_desc[devno].lba = iop->lba_capacity;
+	PRINTF ("lba=0x%x", sata_dev_desc[devno].lba);
+
+#ifdef CONFIG_LBA48
+	if (iop->command_set_2 & 0x0400) {
+		sata_dev_desc[devno].lba48 = 1;
+		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 {
+		sata_dev_desc[devno].lba48 = 0;
+	}
+#endif
+
+	/* assuming HD */
+	sata_dev_desc[devno].type = DEV_TYPE_HARDDISK;
+	sata_dev_desc[devno].blksz = ATA_BLOCKSIZE;
+	sata_dev_desc[devno].lun = 0;	/* just to fill something in... */
+}
+
+void
+set_Feature_cmd (int num, int dev)
+{
+	u8 mask = 0x00, status = 0;
+
+	if (dev == 0)
+		mask = 0x01;
+	else
+		mask = 0x02;
+
+	if (!(port[num].dev_mask & mask)) {
+		PRINTF ("dev%d is not present on port#%d\n", dev, num);
+		return;
+	}
+
+	dev_select (&port[num].ioaddr, dev);
+
+	sata_outb (SETFEATURES_XFER, port[num].ioaddr.feature_addr);
+	sata_outb (XFER_PIO_4, port[num].ioaddr.nsect_addr);
+	sata_outb (0, port[num].ioaddr.lbal_addr);
+	sata_outb (0, port[num].ioaddr.lbam_addr);
+	sata_outb (0, port[num].ioaddr.lbah_addr);
+
+	sata_outb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
+	sata_outb (ATA_CMD_SETF, port[num].ioaddr.command_addr);
+
+	udelay (50);
+	msleep (150);
+
+	status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 5000);
+	if ((status & (ATA_STAT_BUSY | ATA_STAT_ERR))) {
+		printf ("Error  : status 0x%02x\n", status);
+		port[num].dev_mask &= ~mask;
+	}
+}
+
+void
+sata_port (struct sata_ioports *ioport)
+{
+	ioport->data_addr = ioport->cmd_addr + ATA_REG_DATA;
+	ioport->error_addr = ioport->cmd_addr + ATA_REG_ERR;
+	ioport->feature_addr = ioport->cmd_addr + ATA_REG_FEATURE;
+	ioport->nsect_addr = ioport->cmd_addr + ATA_REG_NSECT;
+	ioport->lbal_addr = ioport->cmd_addr + ATA_REG_LBAL;
+	ioport->lbam_addr = ioport->cmd_addr + ATA_REG_LBAM;
+	ioport->lbah_addr = ioport->cmd_addr + ATA_REG_LBAH;
+	ioport->device_addr = ioport->cmd_addr + ATA_REG_DEVICE;
+	ioport->status_addr = ioport->cmd_addr + ATA_REG_STATUS;
+	ioport->command_addr = ioport->cmd_addr + ATA_REG_CMD;
+}
+
+int
+sata_devchk (struct sata_ioports *ioaddr, int dev)
+{
+	u8 nsect, lbal;
+
+	dev_select (ioaddr, dev);
+
+	sata_outb (0x55, ioaddr->nsect_addr);
+	sata_outb (0xaa, ioaddr->lbal_addr);
+
+	sata_outb (0xaa, ioaddr->nsect_addr);
+	sata_outb (0x55, ioaddr->lbal_addr);
+
+	sata_outb (0x55, ioaddr->nsect_addr);
+	sata_outb (0xaa, ioaddr->lbal_addr);
+
+	nsect = sata_inb (ioaddr->nsect_addr);
+	lbal = sata_inb (ioaddr->lbal_addr);
+
+	if ((nsect == 0x55) && (lbal == 0xaa))
+		return 1;	/* we found a device */
+	else
+		return 0;	/* nothing found */
+}
+
+void
+dev_select (struct sata_ioports *ioaddr, int dev)
+{
+	u8 tmp = 0;
+
+	if (dev == 0)
+		tmp = ATA_DEVICE_OBS;
+	else
+		tmp = ATA_DEVICE_OBS | ATA_DEV1;
+
+	sata_outb (tmp, ioaddr->device_addr);
+	sata_inb (ioaddr->altstatus_addr);
+	udelay (5);
+}
+
+u8
+sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max)
+{
+	u8 status;
+
+	do {
+		udelay (1000);
+		status = sata_chk_status (ioaddr);
+		max--;
+	} while ((status & bits) && (max > 0));
+
+	return status;
+}
+
+u8
+sata_chk_status (struct sata_ioports * ioaddr)
+{
+	return sata_inb (ioaddr->status_addr);
+}
+
+void
+msleep (int count)
+{
+	int i;
+
+	for (i = 0; i < count; i++)
+		udelay (1000);
+}
+
+ulong
+sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buff)
+{
+	ulong n = 0, *buffer = (ulong *)buff;
+	u8 dev = 0, num = 0, mask = 0, status = 0;
+
+#ifdef CONFIG_LBA48
+	unsigned char lba48 = 0;
+
+	if (blknr & 0x0000fffff0000000) {
+		if (!sata_dev_desc[devno].lba48) {
+			printf ("Drive doesn't support 48-bit addressing\n");
+			return 0;
+		}
+		/* more than 28 bits used, use 48bit mode */
+		lba48 = 1;
+	}
+#endif
+	/*Port Number */
+	num = device / CFG_SATA_DEVS_PER_BUS;
+	/*dev on the port */
+	if (device >= CFG_SATA_DEVS_PER_BUS)
+		dev = device - CFG_SATA_DEVS_PER_BUS;
+	else
+		dev = device;
+
+	if (dev == 0)
+		mask = 0x01;
+	else
+		mask = 0x02;
+
+	if (!(port[num].dev_mask & mask)) {
+		printf ("dev%d is not present on port#%d\n", dev, num);
+		return 0;
+	}
+
+	/* Select device */
+	dev_select (&port[num].ioaddr, dev);
+
+	status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
+	if (status & ATA_BUSY) {
+		printf ("ata%u failed to respond\n", port[num].port_no);
+		return n;
+	}
+	while (blkcnt-- > 0) {
+		status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
+		if (status & ATA_BUSY) {
+			printf ("ata%u failed to respond\n", 0);
+			return n;
+		}
+#ifdef CONFIG_LBA48
+		if (lba48) {
+			/* write high bits */
+			sata_outb (0, port[num].ioaddr.nsect_addr);
+			sata_outb ((blknr >> 24) & 0xFF,
+				   port[num].ioaddr.lbal_addr);
+			sata_outb ((blknr >> 32) & 0xFF,
+				   port[num].ioaddr.lbam_addr);
+			sata_outb ((blknr >> 40) & 0xFF,
+				   port[num].ioaddr.lbah_addr);
+		}
+#endif
+		sata_outb (1, port[num].ioaddr.nsect_addr);
+		sata_outb (((blknr) >> 0) & 0xFF,
+			   port[num].ioaddr.lbal_addr);
+		sata_outb ((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
+		sata_outb ((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
+
+#ifdef CONFIG_LBA48
+		if (lba48) {
+			sata_outb (ATA_LBA, port[num].ioaddr.device_addr);
+			sata_outb (ATA_CMD_READ_EXT,
+				   port[num].ioaddr.command_addr);
+		} else
+#endif
+		{
+			sata_outb (ATA_LBA | ((blknr >> 24) & 0xF),
+				   port[num].ioaddr.device_addr);
+			sata_outb (ATA_CMD_READ,
+				   port[num].ioaddr.command_addr);
+		}
+
+		msleep (50);
+		/*may take up to 4 sec */
+		status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 4000);
+
+		if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
+		    != ATA_STAT_DRQ) {
+			u8 err = 0;
+
+			printf ("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
+				device, (ulong) blknr, status);
+			err = sata_inb (port[num].ioaddr.error_addr);
+			printf ("Error reg = 0x%x\n", err);
+			return (n);
+		}
+		input_data (&port[num].ioaddr, buffer, ATA_SECTORWORDS);
+		sata_inb (port[num].ioaddr.altstatus_addr);
+		udelay (50);
+
+		++n;
+		++blknr;
+		buffer += ATA_SECTORWORDS;
+	}
+	return n;
+}
+
+ulong
+sata_write (int device, ulong blknr,lbaint_t blkcnt, void * buff)
+{
+	ulong n = 0, *buffer = (ulong *)buff;
+	unsigned char status = 0, num = 0, dev = 0, mask = 0;
+
+#ifdef CONFIG_LBA48
+	unsigned char lba48 = 0;
+
+	if (blknr & 0x0000fffff0000000) {
+		if (!sata_dev_desc[devno].lba48) {
+			printf ("Drive doesn't support 48-bit addressing\n");
+			return 0;
+		}
+		/* more than 28 bits used, use 48bit mode */
+		lba48 = 1;
+	}
+#endif
+	/*Port Number */
+	num = device / CFG_SATA_DEVS_PER_BUS;
+	/*dev on the Port */
+	if (device >= CFG_SATA_DEVS_PER_BUS)
+		dev = device - CFG_SATA_DEVS_PER_BUS;
+	else
+		dev = device;
+
+	if (dev == 0)
+		mask = 0x01;
+	else
+		mask = 0x02;
+
+	/* Select device */
+	dev_select (&port[num].ioaddr, dev);
+
+	status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
+	if (status & ATA_BUSY) {
+		printf ("ata%u failed to respond\n", port[num].port_no);
+		return n;
+	}
+
+	while (blkcnt-- > 0) {
+		status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
+		if (status & ATA_BUSY) {
+			printf ("ata%u failed to respond\n",
+				port[num].port_no);
+			return n;
+		}
+#ifdef CONFIG_LBA48
+		if (lba48) {
+			/* write high bits */
+			sata_outb (0, port[num].ioaddr.nsect_addr);
+			sata_outb ((blknr >> 24) & 0xFF,
+				   port[num].ioaddr.lbal_addr);
+			sata_outb ((blknr >> 32) & 0xFF,
+				   port[num].ioaddr.lbam_addr);
+			sata_outb ((blknr >> 40) & 0xFF,
+				   port[num].ioaddr.lbah_addr);
+		}
+#endif
+		sata_outb (1, port[num].ioaddr.nsect_addr);
+		sata_outb ((blknr >> 0) & 0xFF, port[num].ioaddr.lbal_addr);
+		sata_outb ((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
+		sata_outb ((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
+#ifdef CONFIG_LBA48
+		if (lba48) {
+			sata_outb (ATA_LBA, port[num].ioaddr.device_addr);
+			sata_outb (ATA_CMD_WRITE_EXT,
+				   port[num].ioaddr.command_addr);
+		} else
+#endif
+		{
+			sata_outb (ATA_LBA | ((blknr >> 24) & 0xF),
+				   port[num].ioaddr.device_addr);
+			sata_outb (ATA_CMD_WRITE,
+				   port[num].ioaddr.command_addr);
+		}
+
+		msleep (50);
+		/*may take up to 4 sec */
+		status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 4000);
+		if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
+		    != ATA_STAT_DRQ) {
+			printf ("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
+				device, (ulong) blknr, status);
+			return (n);
+		}
+
+		output_data (&port[num].ioaddr, buffer, ATA_SECTORWORDS);
+		sata_inb (port[num].ioaddr.altstatus_addr);
+		udelay (50);
+
+		++n;
+		++blknr;
+		buffer += ATA_SECTORWORDS;
+	}
+	return n;
+}
+
+block_dev_desc_t *sata_get_dev (int dev);
+
+block_dev_desc_t *
+sata_get_dev (int dev)
+{
+	return ((block_dev_desc_t *) & sata_dev_desc[dev]);
+}
+
+int
+do_sata (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+
+	switch (argc) {
+	case 0:
+	case 1:
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	case 2:
+		if (strncmp (argv[1], "init", 4) == 0) {
+			int rcode = 0;
+
+			rcode = init_sata ();
+			if (rcode)
+				printf ("Sata initialization Failed\n");
+			return rcode;
+		} else if (strncmp (argv[1], "inf", 3) == 0) {
+			int i;
+
+			putc ('\n');
+			for (i = 0; i < CFG_SATA_MAXDEVICES; ++i) {
+				/*List only known devices */
+				if (sata_dev_desc[i].type ==
+				    DEV_TYPE_UNKNOWN)
+					continue;
+				printf ("sata dev %d: ", i);
+				dev_print (&sata_dev_desc[i]);
+			}
+			return 0;
+		}
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	case 3:
+		if (strcmp (argv[1], "dev") == 0) {
+			int dev = (int) simple_strtoul (argv[2], NULL, 10);
+
+			if (dev >= CFG_SATA_MAXDEVICES) {
+				printf ("\nSata dev %d not available\n",
+					dev);
+				return 1;
+			}
+			printf ("\nSATA dev %d: ", dev);
+			dev_print (&sata_dev_desc[dev]);
+			if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
+				return 1;
+			curr_dev = dev;
+			return 0;
+		} else if (strcmp (argv[1], "part") == 0) {
+			int dev = (int) simple_strtoul (argv[2], NULL, 10);
+
+			if (dev >= CFG_SATA_MAXDEVICES) {
+				printf ("\nSata dev %d not available\n",
+					dev);
+				return 1;
+			}
+			PRINTF ("\nSATA dev %d: ", dev);
+			if (sata_dev_desc[dev].part_type !=
+			    PART_TYPE_UNKNOWN) {
+				print_part (&sata_dev_desc[dev]);
+			} else {
+				printf ("\nSata dev %d partition type "
+					"unknown\n", dev);
+				return 1;
+			}
+			return 0;
+		}
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	default:
+		if (argc < 5) {
+			printf ("Usage:\n%s\n", cmdtp->usage);
+			return 1;
+		}
+		if (strcmp (argv[1], "read") == 0) {
+			ulong addr = simple_strtoul (argv[2], NULL, 16);
+			ulong cnt = simple_strtoul (argv[4], NULL, 16);
+			ulong n;
+			lbaint_t blk = simple_strtoul (argv[3], NULL, 16);
+
+			memset ((int *) addr, 0, cnt * 512);
+			printf ("\nSATA read: dev %d blk # %ld,"
+				"count %ld ... ", curr_dev, blk, cnt);
+			n = sata_read (curr_dev, blk, cnt, (ulong *) addr);
+			/* flush cache after read */
+			flush_cache (addr, cnt * 512);
+			printf ("%ld blocks read: %s\n", n,
+				(n == cnt) ? "OK" : "ERR");
+			if (n == cnt)
+				return 1;
+			else
+				return 0;
+		} else if (strcmp (argv[1], "write") == 0) {
+			ulong addr = simple_strtoul (argv[2], NULL, 16);
+			ulong cnt = simple_strtoul (argv[4], NULL, 16);
+			ulong n;
+			lbaint_t blk = simple_strtoul (argv[3], NULL, 16);
+
+			printf ("\nSata write: dev %d blk # %ld,"
+				"count %ld ... ", curr_dev, blk, cnt);
+			n = sata_write (curr_dev, blk, cnt, (ulong *) addr);
+			printf ("%ld blocks written: %s\n", n,
+				(n == cnt) ? "OK" : "ERR");
+			if (n == cnt)
+				return 1;
+			else
+				return 0;
+		} else {
+			printf ("Usage:\n%s\n", cmdtp->usage);
+			return 1;
+		}
+	}			/*End OF SWITCH */
+}
+
+U_BOOT_CMD (sata, 5, 1, do_sata,
+	    "sata init\n"
+	    "sata info\n"
+	    "sata part device\n"
+	    "sata dev device\n"
+	    "sata read  addr blk# cnt\n"
+	    "sata write  addr blk# cnt\n", "cmd for init,rw and dev-info\n");
+
+#endif
diff --git a/common/main.c b/common/main.c
index 553ac35..a00ebc1 100644
--- a/common/main.c
+++ b/common/main.c
@@ -113,7 +113,7 @@ static __inline__ int abortboot(int bootdelay)
 	u_int i;
 
 #  ifdef CONFIG_AUTOBOOT_PROMPT
-	printf (CONFIG_AUTOBOOT_PROMPT, bootdelay);
+	printf(CONFIG_AUTOBOOT_PROMPT, bootdelay);
 #  endif
 
 #  ifdef CONFIG_AUTOBOOT_DELAY_STR
@@ -187,7 +187,7 @@ static __inline__ int abortboot(int bootdelay)
 	}
 #  if DEBUG_BOOTKEYS
 	if (!abort)
-		puts ("key timeout\n");
+		puts("key timeout\n");
 #  endif
 
 #ifdef CONFIG_SILENT_CONSOLE
@@ -244,13 +244,13 @@ static __inline__ int abortboot(int bootdelay)
 # endif
 				break;
 			}
-			udelay (10000);
+			udelay(10000);
 		}
 
-		printf ("\b\b\b%2d ", bootdelay);
+		printf("\b\b\b%2d ", bootdelay);
 	}
 
-	putc ('\n');
+	putc('\n');
 
 #ifdef CONFIG_SILENT_CONSOLE
 	if (abort)
@@ -962,7 +962,7 @@ int readline (const char *const prompt)
 			n = 0;
 			continue;
 
-		case 0x17:				/* ^W - erase word 	*/
+		case 0x17:				/* ^W - erase word	*/
 			p=delete_char(console_buffer, p, &col, &n, plen);
 			while ((n > 0) && (*p != ' ')) {
 				p=delete_char(console_buffer, p, &col, &n, plen);