[U-Boot-Users] [PATCH v4 1/9] ata: merge the ata_piix driver
Dave Liu
r63238 at freescale.com
Wed Mar 26 15:47:06 CET 2008
move the cmd_sata.c from common/ to drivers/ata_piix.c,
the cmd_sata.c have some part of ata_piix controller drivers.
consolidate the driver to have better framework.
Signed-off-by: Dave Liu <daveliu at freescale.com>
---
common/Makefile | 1 -
common/cmd_sata.c | 712 -------------------------------------------
drivers/block/ata_piix.c | 672 ++++++++++++++++++++++++++++++++++++++++-
include/configs/sc520_cdp.h | 1 -
include/sata.h | 16 -
5 files changed, 671 insertions(+), 731 deletions(-)
delete mode 100644 common/cmd_sata.c
diff --git a/common/Makefile b/common/Makefile
index 56176ca..eda5113 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -86,7 +86,6 @@ COBJS-y += cmd_pcmcia.o
COBJS-$(CONFIG_CMD_PORTIO) += cmd_portio.o
COBJS-$(CONFIG_CMD_REGINFO) += cmd_reginfo.o
COBJS-$(CONFIG_CMD_REISER) += cmd_reiser.o
-COBJS-y += cmd_sata.o
COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
diff --git a/common/cmd_sata.c b/common/cmd_sata.c
deleted file mode 100644
index bd4c11f..0000000
--- a/common/cmd_sata.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/*
- * Copyright (C) Procsys. All rights reserved.
- * Author: Mushtaq Khan <mushtaq_k at procsys.com>
- * <mushtaqk_921 at 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/drivers/block/ata_piix.c b/drivers/block/ata_piix.c
index 42456d7..806ec1a 100644
--- a/drivers/block/ata_piix.c
+++ b/drivers/block/ata_piix.c
@@ -26,10 +26,12 @@
*/
#include <common.h>
+#include <asm/io.h>
#include <pci.h>
#include <command.h>
#include <config.h>
#include <asm/byteorder.h>
+#include <part.h>
#include <ide.h>
#include <ata.h>
@@ -37,9 +39,9 @@
#define DEBUG_SATA 0 /*For debug prints set DEBUG_SATA to 1 */
+#define SATA_DECL
#define DRV_DECL /*For file specific declarations */
#include <sata.h>
-#undef DRV_DECL
/*Macros realted to PCI*/
#define PCI_SATA_BUS 0x00
@@ -213,4 +215,672 @@ init_sata (void)
}
return 0;
}
+
+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/include/configs/sc520_cdp.h b/include/configs/sc520_cdp.h
index 8491d97..58d656c 100644
--- a/include/configs/sc520_cdp.h
+++ b/include/configs/sc520_cdp.h
@@ -192,7 +192,6 @@
/************************************************************
*SATA/Native Stuff
************************************************************/
-#define CFG_SATA_SUPPORTED 1
#define CFG_SATA_MAXBUS 2 /*Max Sata buses supported */
#define CFG_SATA_DEVS_PER_BUS 2 /*Max no. of devices per bus/port */
#define CFG_SATA_MAXDEVICES (CFG_SATA_MAXBUS* CFG_SATA_DEVS_PER_BUS)
diff --git a/include/sata.h b/include/sata.h
index 165b471..bb1acb3 100644
--- a/include/sata.h
+++ b/include/sata.h
@@ -77,32 +77,16 @@ u8 sata_chk_status (struct sata_ioports *ioaddr);
ulong sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buffer);
ulong sata_write (int device,ulong blknr, lbaint_t blkcnt, void * buffer);
void msleep (int count);
-#else
-extern int sata_bus_softreset (int num);
-extern void sata_identify (int num, int dev);
-extern void sata_port (struct sata_ioports *ioport);
-extern void set_Feature_cmd (int num, int dev);
-extern ulong sata_read (int device, ulong blknr,
- lbaint_t blkcnt, void * buffer);
-extern ulong sata_write (int device, ulong blknr,
- lbaint_t blkcnt, void * buffer);
-extern void msleep (int count);
#endif
/************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/
#ifdef DRV_DECL /*Driver specific declaration */
int init_sata (void);
-#else
-extern int init_sata (void);
#endif
#ifdef DRV_DECL /*Defines Driver Specific variables */
struct sata_port port[CFG_SATA_MAXBUS];
block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
int curr_dev = -1;
-#else
-extern struct sata_port port[CFG_SATA_MAXBUS];
-extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
-extern int curr_dev;
#endif
--
1.5.4.rc4
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