mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 10:58:52 +09:00
![Grant Likely](/assets/img/avatar_default.png)
Block device read/write is anonymous data; there is no need to use a typed pointer. void * is fine. Also add a hook for block_read functions Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
1253 lines
36 KiB
C
1253 lines
36 KiB
C
/*
|
|
* Most of this source has been derived from the Linux USB
|
|
* project:
|
|
* (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
|
|
* (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org)
|
|
* (c) 1999 Michael Gee (michael@linuxspecific.com)
|
|
* (c) 2000 Yggdrasil Computing, Inc.
|
|
*
|
|
*
|
|
* Adapted for U-Boot:
|
|
* (C) Copyright 2001 Denis Peter, MPL AG Switzerland
|
|
*
|
|
* For BBB support (C) Copyright 2003
|
|
* Gary Jennejohn, DENX Software Engineering <gj@denx.de>
|
|
*
|
|
* BBB support based on /sys/dev/usb/umass.c from
|
|
* FreeBSD.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
|
|
/* Note:
|
|
* Currently only the CBI transport protocoll has been implemented, and it
|
|
* is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB
|
|
* transport protocoll may work as well.
|
|
*/
|
|
/*
|
|
* New Note:
|
|
* Support for USB Mass Storage Devices (BBB) has been added. It has
|
|
* only been tested with USB memory sticks.
|
|
* Nota bene: if you are using the BBB support with a little-endian
|
|
* CPU then you MUST define LITTLEENDIAN in the configuration file!
|
|
*/
|
|
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/processor.h>
|
|
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_USB)
|
|
#include <part.h>
|
|
#include <usb.h>
|
|
|
|
#ifdef CONFIG_USB_STORAGE
|
|
|
|
#undef USB_STOR_DEBUG
|
|
#undef BBB_COMDAT_TRACE
|
|
#undef BBB_XPORT_TRACE
|
|
|
|
#ifdef USB_STOR_DEBUG
|
|
#define USB_STOR_PRINTF(fmt,args...) printf (fmt ,##args)
|
|
#else
|
|
#define USB_STOR_PRINTF(fmt,args...)
|
|
#endif
|
|
|
|
#include <scsi.h>
|
|
/* direction table -- this indicates the direction of the data
|
|
* transfer for each command code -- a 1 indicates input
|
|
*/
|
|
unsigned char us_direction[256/8] = {
|
|
0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
|
|
0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
};
|
|
#define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
|
|
|
|
static unsigned char usb_stor_buf[512];
|
|
static ccb usb_ccb;
|
|
|
|
/*
|
|
* CBI style
|
|
*/
|
|
|
|
#define US_CBI_ADSC 0
|
|
|
|
/*
|
|
* BULK only
|
|
*/
|
|
#define US_BBB_RESET 0xff
|
|
#define US_BBB_GET_MAX_LUN 0xfe
|
|
|
|
/* Command Block Wrapper */
|
|
typedef struct {
|
|
__u32 dCBWSignature;
|
|
# define CBWSIGNATURE 0x43425355
|
|
__u32 dCBWTag;
|
|
__u32 dCBWDataTransferLength;
|
|
__u8 bCBWFlags;
|
|
# define CBWFLAGS_OUT 0x00
|
|
# define CBWFLAGS_IN 0x80
|
|
__u8 bCBWLUN;
|
|
__u8 bCDBLength;
|
|
# define CBWCDBLENGTH 16
|
|
__u8 CBWCDB[CBWCDBLENGTH];
|
|
} umass_bbb_cbw_t;
|
|
#define UMASS_BBB_CBW_SIZE 31
|
|
static __u32 CBWTag = 0;
|
|
|
|
/* Command Status Wrapper */
|
|
typedef struct {
|
|
__u32 dCSWSignature;
|
|
# define CSWSIGNATURE 0x53425355
|
|
__u32 dCSWTag;
|
|
__u32 dCSWDataResidue;
|
|
__u8 bCSWStatus;
|
|
# define CSWSTATUS_GOOD 0x0
|
|
# define CSWSTATUS_FAILED 0x1
|
|
# define CSWSTATUS_PHASE 0x2
|
|
} umass_bbb_csw_t;
|
|
#define UMASS_BBB_CSW_SIZE 13
|
|
|
|
#define USB_MAX_STOR_DEV 5
|
|
static int usb_max_devs = 0; /* number of highest available usb device */
|
|
|
|
static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV];
|
|
|
|
struct us_data;
|
|
typedef int (*trans_cmnd)(ccb*, struct us_data*);
|
|
typedef int (*trans_reset)(struct us_data*);
|
|
|
|
struct us_data {
|
|
struct usb_device *pusb_dev; /* this usb_device */
|
|
unsigned int flags; /* from filter initially */
|
|
unsigned char ifnum; /* interface number */
|
|
unsigned char ep_in; /* in endpoint */
|
|
unsigned char ep_out; /* out ....... */
|
|
unsigned char ep_int; /* interrupt . */
|
|
unsigned char subclass; /* as in overview */
|
|
unsigned char protocol; /* .............. */
|
|
unsigned char attention_done; /* force attn on first cmd */
|
|
unsigned short ip_data; /* interrupt data */
|
|
int action; /* what to do */
|
|
int ip_wanted; /* needed */
|
|
int *irq_handle; /* for USB int requests */
|
|
unsigned int irqpipe; /* pipe for release_irq */
|
|
unsigned char irqmaxp; /* max packed for irq Pipe */
|
|
unsigned char irqinterval; /* Intervall for IRQ Pipe */
|
|
ccb *srb; /* current srb */
|
|
trans_reset transport_reset; /* reset routine */
|
|
trans_cmnd transport; /* transport routine */
|
|
};
|
|
|
|
static struct us_data usb_stor[USB_MAX_STOR_DEV];
|
|
|
|
|
|
#define USB_STOR_TRANSPORT_GOOD 0
|
|
#define USB_STOR_TRANSPORT_FAILED -1
|
|
#define USB_STOR_TRANSPORT_ERROR -2
|
|
|
|
|
|
int usb_stor_get_info(struct usb_device *dev, struct us_data *us, block_dev_desc_t *dev_desc);
|
|
int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss);
|
|
unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer);
|
|
struct usb_device * usb_get_dev_index(int index);
|
|
void uhci_show_temp_int_td(void);
|
|
|
|
block_dev_desc_t *usb_stor_get_dev(int index)
|
|
{
|
|
return (index < USB_MAX_STOR_DEV) ? &usb_dev_desc[index] : NULL;
|
|
}
|
|
|
|
|
|
void usb_show_progress(void)
|
|
{
|
|
printf(".");
|
|
}
|
|
|
|
/*********************************************************************************
|
|
* show info on storage devices; 'usb start/init' must be invoked earlier
|
|
* as we only retrieve structures populated during devices initialization
|
|
*/
|
|
void usb_stor_info(void)
|
|
{
|
|
int i;
|
|
|
|
if (usb_max_devs > 0)
|
|
for (i = 0; i < usb_max_devs; i++) {
|
|
printf (" Device %d: ", i);
|
|
dev_print(&usb_dev_desc[i]);
|
|
}
|
|
else
|
|
printf("No storage devices, perhaps not 'usb start'ed..?\n");
|
|
}
|
|
|
|
/*********************************************************************************
|
|
* scan the usb and reports device info
|
|
* to the user if mode = 1
|
|
* returns current device or -1 if no
|
|
*/
|
|
int usb_stor_scan(int mode)
|
|
{
|
|
unsigned char i;
|
|
struct usb_device *dev;
|
|
|
|
/* GJ */
|
|
memset(usb_stor_buf, 0, sizeof(usb_stor_buf));
|
|
|
|
if(mode==1) {
|
|
printf(" scanning bus for storage devices... ");
|
|
}
|
|
usb_disable_asynch(1); /* asynch transfer not allowed */
|
|
|
|
for(i=0;i<USB_MAX_STOR_DEV;i++) {
|
|
memset(&usb_dev_desc[i],0,sizeof(block_dev_desc_t));
|
|
usb_dev_desc[i].target=0xff;
|
|
usb_dev_desc[i].if_type=IF_TYPE_USB;
|
|
usb_dev_desc[i].dev=i;
|
|
usb_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
|
|
usb_dev_desc[i].block_read=usb_stor_read;
|
|
}
|
|
|
|
usb_max_devs=0;
|
|
for(i=0;i<USB_MAX_DEVICE;i++) {
|
|
dev=usb_get_dev_index(i); /* get device */
|
|
USB_STOR_PRINTF("i=%d\n",i);
|
|
if(dev==NULL) {
|
|
break; /* no more devices avaiable */
|
|
}
|
|
if(usb_storage_probe(dev,0,&usb_stor[usb_max_devs])) { /* ok, it is a storage devices */
|
|
/* get info and fill it in */
|
|
if(usb_stor_get_info(dev, &usb_stor[usb_max_devs], &usb_dev_desc[usb_max_devs]))
|
|
usb_max_devs++;
|
|
} /* if storage device */
|
|
if(usb_max_devs==USB_MAX_STOR_DEV) {
|
|
printf("max USB Storage Device reached: %d stopping\n",usb_max_devs);
|
|
break;
|
|
}
|
|
} /* for */
|
|
|
|
usb_disable_asynch(0); /* asynch transfer allowed */
|
|
printf("%d Storage Device(s) found\n", usb_max_devs);
|
|
if(usb_max_devs>0)
|
|
return 0;
|
|
else
|
|
return-1;
|
|
}
|
|
|
|
static int usb_stor_irq(struct usb_device *dev)
|
|
{
|
|
struct us_data *us;
|
|
us=(struct us_data *)dev->privptr;
|
|
|
|
if(us->ip_wanted) {
|
|
us->ip_wanted=0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef USB_STOR_DEBUG
|
|
|
|
static void usb_show_srb(ccb * pccb)
|
|
{
|
|
int i;
|
|
printf("SRB: len %d datalen 0x%lX\n ",pccb->cmdlen,pccb->datalen);
|
|
for(i=0;i<12;i++) {
|
|
printf("%02X ",pccb->cmd[i]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
static void display_int_status(unsigned long tmp)
|
|
{
|
|
printf("Status: %s %s %s %s %s %s %s\n",
|
|
(tmp & USB_ST_ACTIVE) ? "Active" : "",
|
|
(tmp & USB_ST_STALLED) ? "Stalled" : "",
|
|
(tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "",
|
|
(tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "",
|
|
(tmp & USB_ST_NAK_REC) ? "NAKed" : "",
|
|
(tmp & USB_ST_CRC_ERR) ? "CRC Error" : "",
|
|
(tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : "");
|
|
}
|
|
#endif
|
|
/***********************************************************************
|
|
* Data transfer routines
|
|
***********************************************************************/
|
|
|
|
static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
|
|
{
|
|
int max_size;
|
|
int this_xfer;
|
|
int result;
|
|
int partial;
|
|
int maxtry;
|
|
int stat;
|
|
|
|
/* determine the maximum packet size for these transfers */
|
|
max_size = usb_maxpacket(us->pusb_dev, pipe) * 16;
|
|
|
|
/* while we have data left to transfer */
|
|
while (length) {
|
|
|
|
/* calculate how long this will be -- maximum or a remainder */
|
|
this_xfer = length > max_size ? max_size : length;
|
|
length -= this_xfer;
|
|
|
|
/* setup the retry counter */
|
|
maxtry = 10;
|
|
|
|
/* set up the transfer loop */
|
|
do {
|
|
/* transfer the data */
|
|
USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n",
|
|
(unsigned int)buf, this_xfer, 11 - maxtry);
|
|
result = usb_bulk_msg(us->pusb_dev, pipe, buf,
|
|
this_xfer, &partial, USB_CNTL_TIMEOUT*5);
|
|
USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n",
|
|
result, partial, this_xfer);
|
|
if(us->pusb_dev->status!=0) {
|
|
/* if we stall, we need to clear it before we go on */
|
|
#ifdef USB_STOR_DEBUG
|
|
display_int_status(us->pusb_dev->status);
|
|
#endif
|
|
if (us->pusb_dev->status & USB_ST_STALLED) {
|
|
USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe);
|
|
stat = us->pusb_dev->status;
|
|
usb_clear_halt(us->pusb_dev, pipe);
|
|
us->pusb_dev->status=stat;
|
|
if(this_xfer == partial) {
|
|
USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n",us->pusb_dev->status);
|
|
return 0;
|
|
}
|
|
else
|
|
return result;
|
|
}
|
|
if (us->pusb_dev->status & USB_ST_NAK_REC) {
|
|
USB_STOR_PRINTF("Device NAKed bulk_msg\n");
|
|
return result;
|
|
}
|
|
if(this_xfer == partial) {
|
|
USB_STOR_PRINTF("bulk transferred with error %d, but data ok\n",us->pusb_dev->status);
|
|
return 0;
|
|
}
|
|
/* if our try counter reaches 0, bail out */
|
|
USB_STOR_PRINTF("bulk transferred with error %d, data %d\n",us->pusb_dev->status,partial);
|
|
if (!maxtry--)
|
|
return result;
|
|
}
|
|
/* update to show what data was transferred */
|
|
this_xfer -= partial;
|
|
buf += partial;
|
|
/* continue until this transfer is done */
|
|
} while ( this_xfer );
|
|
}
|
|
|
|
/* if we get here, we're done and successful */
|
|
return 0;
|
|
}
|
|
|
|
static int usb_stor_BBB_reset(struct us_data *us)
|
|
{
|
|
int result;
|
|
unsigned int pipe;
|
|
|
|
/*
|
|
* Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
|
|
*
|
|
* For Reset Recovery the host shall issue in the following order:
|
|
* a) a Bulk-Only Mass Storage Reset
|
|
* b) a Clear Feature HALT to the Bulk-In endpoint
|
|
* c) a Clear Feature HALT to the Bulk-Out endpoint
|
|
*
|
|
* This is done in 3 steps.
|
|
*
|
|
* If the reset doesn't succeed, the device should be port reset.
|
|
*
|
|
* This comment stolen from FreeBSD's /sys/dev/usb/umass.c.
|
|
*/
|
|
USB_STOR_PRINTF("BBB_reset\n");
|
|
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
|
|
US_BBB_RESET, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
|
|
0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT*5);
|
|
|
|
if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED))
|
|
{
|
|
USB_STOR_PRINTF("RESET:stall\n");
|
|
return -1;
|
|
}
|
|
|
|
/* long wait for reset */
|
|
wait_ms(150);
|
|
USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n",result,us->pusb_dev->status);
|
|
pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
|
|
result = usb_clear_halt(us->pusb_dev, pipe);
|
|
/* long wait for reset */
|
|
wait_ms(150);
|
|
USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",result,us->pusb_dev->status);
|
|
/* long wait for reset */
|
|
pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
|
|
result = usb_clear_halt(us->pusb_dev, pipe);
|
|
wait_ms(150);
|
|
USB_STOR_PRINTF("BBB_reset result %d: status %X clearing OUT endpoint\n",result,us->pusb_dev->status);
|
|
USB_STOR_PRINTF("BBB_reset done\n");
|
|
return 0;
|
|
}
|
|
|
|
/* FIXME: this reset function doesn't really reset the port, and it
|
|
* should. Actually it should probably do what it's doing here, and
|
|
* reset the port physically
|
|
*/
|
|
static int usb_stor_CB_reset(struct us_data *us)
|
|
{
|
|
unsigned char cmd[12];
|
|
int result;
|
|
|
|
USB_STOR_PRINTF("CB_reset\n");
|
|
memset(cmd, 0xFF, sizeof(cmd));
|
|
cmd[0] = SCSI_SEND_DIAG;
|
|
cmd[1] = 4;
|
|
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
|
|
US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
|
|
0, us->ifnum, cmd, sizeof(cmd), USB_CNTL_TIMEOUT*5);
|
|
|
|
/* long wait for reset */
|
|
wait_ms(1500);
|
|
USB_STOR_PRINTF("CB_reset result %d: status %X clearing endpoint halt\n",result,us->pusb_dev->status);
|
|
usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));
|
|
usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out));
|
|
|
|
USB_STOR_PRINTF("CB_reset done\n");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Set up the command for a BBB device. Note that the actual SCSI
|
|
* command is copied into cbw.CBWCDB.
|
|
*/
|
|
int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
|
|
{
|
|
int result;
|
|
int actlen;
|
|
int dir_in;
|
|
unsigned int pipe;
|
|
umass_bbb_cbw_t cbw;
|
|
|
|
dir_in = US_DIRECTION(srb->cmd[0]);
|
|
|
|
#ifdef BBB_COMDAT_TRACE
|
|
printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata);
|
|
if (srb->cmdlen) {
|
|
for(result = 0;result < srb->cmdlen;result++)
|
|
printf("cmd[%d] %#x ", result, srb->cmd[result]);
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
/* sanity checks */
|
|
if (!(srb->cmdlen <= CBWCDBLENGTH)) {
|
|
USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n");
|
|
return -1;
|
|
}
|
|
|
|
/* always OUT to the ep */
|
|
pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
|
|
|
|
cbw.dCBWSignature = swap_32(CBWSIGNATURE);
|
|
cbw.dCBWTag = swap_32(CBWTag++);
|
|
cbw.dCBWDataTransferLength = swap_32(srb->datalen);
|
|
cbw.bCBWFlags = (dir_in? CBWFLAGS_IN : CBWFLAGS_OUT);
|
|
cbw.bCBWLUN = srb->lun;
|
|
cbw.bCDBLength = srb->cmdlen;
|
|
/* copy the command data into the CBW command data buffer */
|
|
/* DST SRC LEN!!! */
|
|
memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen);
|
|
result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE, &actlen, USB_CNTL_TIMEOUT*5);
|
|
if (result < 0)
|
|
USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
|
|
return result;
|
|
}
|
|
|
|
/* FIXME: we also need a CBI_command which sets up the completion
|
|
* interrupt, and waits for it
|
|
*/
|
|
int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
|
|
{
|
|
int result = 0;
|
|
int dir_in,retry;
|
|
unsigned int pipe;
|
|
unsigned long status;
|
|
|
|
retry=5;
|
|
dir_in=US_DIRECTION(srb->cmd[0]);
|
|
|
|
if(dir_in)
|
|
pipe=usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
|
|
else
|
|
pipe=usb_sndbulkpipe(us->pusb_dev, us->ep_out);
|
|
while(retry--) {
|
|
USB_STOR_PRINTF("CBI gets a command: Try %d\n",5-retry);
|
|
#ifdef USB_STOR_DEBUG
|
|
usb_show_srb(srb);
|
|
#endif
|
|
/* let's send the command via the control pipe */
|
|
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
|
|
US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
|
|
0, us->ifnum,
|
|
srb->cmd, srb->cmdlen, USB_CNTL_TIMEOUT*5);
|
|
USB_STOR_PRINTF("CB_transport: control msg returned %d, status %X\n",result,us->pusb_dev->status);
|
|
/* check the return code for the command */
|
|
if (result < 0) {
|
|
if(us->pusb_dev->status & USB_ST_STALLED) {
|
|
status=us->pusb_dev->status;
|
|
USB_STOR_PRINTF(" stall during command found, clear pipe\n");
|
|
usb_clear_halt(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0));
|
|
us->pusb_dev->status=status;
|
|
}
|
|
USB_STOR_PRINTF(" error during command %02X Stat = %X\n",srb->cmd[0],us->pusb_dev->status);
|
|
return result;
|
|
}
|
|
/* transfer the data payload for this command, if one exists*/
|
|
|
|
USB_STOR_PRINTF("CB_transport: control msg returned %d, direction is %s to go 0x%lx\n",result,dir_in ? "IN" : "OUT",srb->datalen);
|
|
if (srb->datalen) {
|
|
result = us_one_transfer(us, pipe, (char *)srb->pdata,srb->datalen);
|
|
USB_STOR_PRINTF("CBI attempted to transfer data, result is %d status %lX, len %d\n", result,us->pusb_dev->status,us->pusb_dev->act_len);
|
|
if(!(us->pusb_dev->status & USB_ST_NAK_REC))
|
|
break;
|
|
} /* if (srb->datalen) */
|
|
else
|
|
break;
|
|
}
|
|
/* return result */
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
int usb_stor_CBI_get_status (ccb * srb, struct us_data *us)
|
|
{
|
|
int timeout;
|
|
|
|
us->ip_wanted = 1;
|
|
submit_int_msg (us->pusb_dev, us->irqpipe,
|
|
(void *) &us->ip_data, us->irqmaxp, us->irqinterval);
|
|
timeout = 1000;
|
|
while (timeout--) {
|
|
if ((volatile int *) us->ip_wanted == 0)
|
|
break;
|
|
wait_ms (10);
|
|
}
|
|
if (us->ip_wanted) {
|
|
printf (" Did not get interrupt on CBI\n");
|
|
us->ip_wanted = 0;
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
USB_STOR_PRINTF
|
|
("Got interrupt data 0x%x, transfered %d status 0x%lX\n",
|
|
us->ip_data, us->pusb_dev->irq_act_len,
|
|
us->pusb_dev->irq_status);
|
|
/* UFI gives us ASC and ASCQ, like a request sense */
|
|
if (us->subclass == US_SC_UFI) {
|
|
if (srb->cmd[0] == SCSI_REQ_SENSE ||
|
|
srb->cmd[0] == SCSI_INQUIRY)
|
|
return USB_STOR_TRANSPORT_GOOD; /* Good */
|
|
else if (us->ip_data)
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
else
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
}
|
|
/* otherwise, we interpret the data normally */
|
|
switch (us->ip_data) {
|
|
case 0x0001:
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
case 0x0002:
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
default:
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
} /* switch */
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
|
|
#define USB_TRANSPORT_UNKNOWN_RETRY 5
|
|
#define USB_TRANSPORT_NOT_READY_RETRY 10
|
|
|
|
/* clear a stall on an endpoint - special for BBB devices */
|
|
int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
|
|
{
|
|
int result;
|
|
|
|
/* ENDPOINT_HALT = 0, so set value to 0 */
|
|
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
|
|
USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
|
|
0, endpt, 0, 0, USB_CNTL_TIMEOUT*5);
|
|
return result;
|
|
}
|
|
|
|
int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
|
|
{
|
|
int result, retry;
|
|
int dir_in;
|
|
int actlen, data_actlen;
|
|
unsigned int pipe, pipein, pipeout;
|
|
umass_bbb_csw_t csw;
|
|
#ifdef BBB_XPORT_TRACE
|
|
unsigned char *ptr;
|
|
int index;
|
|
#endif
|
|
|
|
dir_in = US_DIRECTION(srb->cmd[0]);
|
|
|
|
/* COMMAND phase */
|
|
USB_STOR_PRINTF("COMMAND phase\n");
|
|
result = usb_stor_BBB_comdat(srb, us);
|
|
if (result < 0) {
|
|
USB_STOR_PRINTF("failed to send CBW status %ld\n",
|
|
us->pusb_dev->status);
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
}
|
|
wait_ms(5);
|
|
pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
|
|
pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
|
|
/* DATA phase + error handling */
|
|
data_actlen = 0;
|
|
/* no data, go immediately to the STATUS phase */
|
|
if (srb->datalen == 0)
|
|
goto st;
|
|
USB_STOR_PRINTF("DATA phase\n");
|
|
if (dir_in)
|
|
pipe = pipein;
|
|
else
|
|
pipe = pipeout;
|
|
result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT*5);
|
|
/* special handling of STALL in DATA phase */
|
|
if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
|
|
USB_STOR_PRINTF("DATA:stall\n");
|
|
/* clear the STALL on the endpoint */
|
|
result = usb_stor_BBB_clear_endpt_stall(us, dir_in? us->ep_in : us->ep_out);
|
|
if (result >= 0)
|
|
/* continue on to STATUS phase */
|
|
goto st;
|
|
}
|
|
if (result < 0) {
|
|
USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
|
|
us->pusb_dev->status);
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
}
|
|
#ifdef BBB_XPORT_TRACE
|
|
for (index = 0; index < data_actlen; index++)
|
|
printf("pdata[%d] %#x ", index, srb->pdata[index]);
|
|
printf("\n");
|
|
#endif
|
|
/* STATUS phase + error handling */
|
|
st:
|
|
retry = 0;
|
|
again:
|
|
USB_STOR_PRINTF("STATUS phase\n");
|
|
result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE,
|
|
&actlen, USB_CNTL_TIMEOUT*5);
|
|
|
|
/* special handling of STALL in STATUS phase */
|
|
if((result < 0) && (retry < 1) && (us->pusb_dev->status & USB_ST_STALLED)) {
|
|
USB_STOR_PRINTF("STATUS:stall\n");
|
|
/* clear the STALL on the endpoint */
|
|
result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);
|
|
if (result >= 0 && (retry++ < 1))
|
|
/* do a retry */
|
|
goto again;
|
|
}
|
|
if (result < 0) {
|
|
USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
|
|
us->pusb_dev->status);
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
}
|
|
#ifdef BBB_XPORT_TRACE
|
|
ptr = (unsigned char *)&csw;
|
|
for (index = 0; index < UMASS_BBB_CSW_SIZE; index++)
|
|
printf("ptr[%d] %#x ", index, ptr[index]);
|
|
printf("\n");
|
|
#endif
|
|
/* misuse pipe to get the residue */
|
|
pipe = swap_32(csw.dCSWDataResidue);
|
|
if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
|
|
pipe = srb->datalen - data_actlen;
|
|
if (CSWSIGNATURE != swap_32(csw.dCSWSignature)) {
|
|
USB_STOR_PRINTF("!CSWSIGNATURE\n");
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else if ((CBWTag - 1) != swap_32(csw.dCSWTag)) {
|
|
USB_STOR_PRINTF("!Tag\n");
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else if (csw.bCSWStatus > CSWSTATUS_PHASE) {
|
|
USB_STOR_PRINTF(">PHASE\n");
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else if (csw.bCSWStatus == CSWSTATUS_PHASE) {
|
|
USB_STOR_PRINTF("=PHASE\n");
|
|
usb_stor_BBB_reset(us);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else if (data_actlen > srb->datalen) {
|
|
USB_STOR_PRINTF("transferred %dB instead of %dB\n",
|
|
data_actlen, srb->datalen);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
|
|
USB_STOR_PRINTF("FAILED\n");
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int usb_stor_CB_transport(ccb *srb, struct us_data *us)
|
|
{
|
|
int result,status;
|
|
ccb *psrb;
|
|
ccb reqsrb;
|
|
int retry,notready;
|
|
|
|
psrb=&reqsrb;
|
|
status=USB_STOR_TRANSPORT_GOOD;
|
|
retry=0;
|
|
notready=0;
|
|
/* issue the command */
|
|
do_retry:
|
|
result=usb_stor_CB_comdat(srb,us);
|
|
USB_STOR_PRINTF("command / Data returned %d, status %X\n",result,us->pusb_dev->status);
|
|
/* if this is an CBI Protocol, get IRQ */
|
|
if(us->protocol==US_PR_CBI) {
|
|
status=usb_stor_CBI_get_status(srb,us);
|
|
/* if the status is error, report it */
|
|
if(status==USB_STOR_TRANSPORT_ERROR) {
|
|
USB_STOR_PRINTF(" USB CBI Command Error\n");
|
|
return status;
|
|
}
|
|
srb->sense_buf[12]=(unsigned char)(us->ip_data>>8);
|
|
srb->sense_buf[13]=(unsigned char)(us->ip_data&0xff);
|
|
if(!us->ip_data) {
|
|
/* if the status is good, report it */
|
|
if(status==USB_STOR_TRANSPORT_GOOD) {
|
|
USB_STOR_PRINTF(" USB CBI Command Good\n");
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
/* do we have to issue an auto request? */
|
|
/* HERE we have to check the result */
|
|
if((result<0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
|
|
USB_STOR_PRINTF("ERROR %X\n",us->pusb_dev->status);
|
|
us->transport_reset(us);
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
if((us->protocol==US_PR_CBI) &&
|
|
((srb->cmd[0]==SCSI_REQ_SENSE) ||
|
|
(srb->cmd[0]==SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */
|
|
USB_STOR_PRINTF("No auto request and good\n");
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
}
|
|
/* issue an request_sense */
|
|
memset(&psrb->cmd[0],0,12);
|
|
psrb->cmd[0]=SCSI_REQ_SENSE;
|
|
psrb->cmd[1]=srb->lun<<5;
|
|
psrb->cmd[4]=18;
|
|
psrb->datalen=18;
|
|
psrb->pdata=&srb->sense_buf[0];
|
|
psrb->cmdlen=12;
|
|
/* issue the command */
|
|
result=usb_stor_CB_comdat(psrb,us);
|
|
USB_STOR_PRINTF("auto request returned %d\n",result);
|
|
/* if this is an CBI Protocol, get IRQ */
|
|
if(us->protocol==US_PR_CBI) {
|
|
status=usb_stor_CBI_get_status(psrb,us);
|
|
}
|
|
if((result<0)&&!(us->pusb_dev->status & USB_ST_STALLED)) {
|
|
USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",us->pusb_dev->status);
|
|
return USB_STOR_TRANSPORT_ERROR;
|
|
}
|
|
USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
|
|
/* Check the auto request result */
|
|
if((srb->sense_buf[2]==0) &&
|
|
(srb->sense_buf[12]==0) &&
|
|
(srb->sense_buf[13]==0)) /* ok, no sense */
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
/* Check the auto request result */
|
|
switch(srb->sense_buf[2]) {
|
|
case 0x01: /* Recovered Error */
|
|
return USB_STOR_TRANSPORT_GOOD;
|
|
break;
|
|
case 0x02: /* Not Ready */
|
|
if(notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
|
|
printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X (NOT READY)\n",
|
|
srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else {
|
|
wait_ms(100);
|
|
goto do_retry;
|
|
}
|
|
break;
|
|
default:
|
|
if(retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
|
|
printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
|
|
srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
} else {
|
|
goto do_retry;
|
|
}
|
|
break;
|
|
}
|
|
return USB_STOR_TRANSPORT_FAILED;
|
|
}
|
|
|
|
|
|
static int usb_inquiry(ccb *srb,struct us_data *ss)
|
|
{
|
|
int retry,i;
|
|
retry=5;
|
|
do {
|
|
memset(&srb->cmd[0],0,12);
|
|
srb->cmd[0]=SCSI_INQUIRY;
|
|
srb->cmd[1]=srb->lun<<5;
|
|
srb->cmd[4]=36;
|
|
srb->datalen=36;
|
|
srb->cmdlen=12;
|
|
i=ss->transport(srb,ss);
|
|
USB_STOR_PRINTF("inquiry returns %d\n",i);
|
|
if(i==0)
|
|
break;
|
|
} while(retry--);
|
|
|
|
if(!retry) {
|
|
printf("error in inquiry\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int usb_request_sense(ccb *srb,struct us_data *ss)
|
|
{
|
|
char *ptr;
|
|
|
|
ptr=(char *)srb->pdata;
|
|
memset(&srb->cmd[0],0,12);
|
|
srb->cmd[0]=SCSI_REQ_SENSE;
|
|
srb->cmd[1]=srb->lun<<5;
|
|
srb->cmd[4]=18;
|
|
srb->datalen=18;
|
|
srb->pdata=&srb->sense_buf[0];
|
|
srb->cmdlen=12;
|
|
ss->transport(srb,ss);
|
|
USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
|
|
srb->pdata=(uchar *)ptr;
|
|
return 0;
|
|
}
|
|
|
|
static int usb_test_unit_ready(ccb *srb,struct us_data *ss)
|
|
{
|
|
int retries = 10;
|
|
|
|
do {
|
|
memset(&srb->cmd[0],0,12);
|
|
srb->cmd[0]=SCSI_TST_U_RDY;
|
|
srb->cmd[1]=srb->lun<<5;
|
|
srb->datalen=0;
|
|
srb->cmdlen=12;
|
|
if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
|
|
return 0;
|
|
}
|
|
usb_request_sense (srb, ss);
|
|
wait_ms (100);
|
|
} while(retries--);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int usb_read_capacity(ccb *srb,struct us_data *ss)
|
|
{
|
|
int retry;
|
|
retry = 3; /* retries */
|
|
do {
|
|
memset(&srb->cmd[0],0,12);
|
|
srb->cmd[0]=SCSI_RD_CAPAC;
|
|
srb->cmd[1]=srb->lun<<5;
|
|
srb->datalen=8;
|
|
srb->cmdlen=12;
|
|
if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
|
|
return 0;
|
|
}
|
|
} while(retry--);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int usb_read_10(ccb *srb,struct us_data *ss, unsigned long start, unsigned short blocks)
|
|
{
|
|
memset(&srb->cmd[0],0,12);
|
|
srb->cmd[0]=SCSI_READ10;
|
|
srb->cmd[1]=srb->lun<<5;
|
|
srb->cmd[2]=((unsigned char) (start>>24))&0xff;
|
|
srb->cmd[3]=((unsigned char) (start>>16))&0xff;
|
|
srb->cmd[4]=((unsigned char) (start>>8))&0xff;
|
|
srb->cmd[5]=((unsigned char) (start))&0xff;
|
|
srb->cmd[7]=((unsigned char) (blocks>>8))&0xff;
|
|
srb->cmd[8]=(unsigned char) blocks & 0xff;
|
|
srb->cmdlen=12;
|
|
USB_STOR_PRINTF("read10: start %lx blocks %x\n",start,blocks);
|
|
return ss->transport(srb,ss);
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_USB_BIN_FIXUP
|
|
/*
|
|
* Some USB storage devices queried for SCSI identification data respond with
|
|
* binary strings, which if output to the console freeze the terminal. The
|
|
* workaround is to modify the vendor and product strings read from such
|
|
* device with proper values (as reported by 'usb info').
|
|
*
|
|
* Vendor and product length limits are taken from the definition of
|
|
* block_dev_desc_t in include/part.h.
|
|
*/
|
|
static void usb_bin_fixup(struct usb_device_descriptor descriptor,
|
|
unsigned char vendor[],
|
|
unsigned char product[]) {
|
|
const unsigned char max_vendor_len = 40;
|
|
const unsigned char max_product_len = 20;
|
|
if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) {
|
|
strncpy ((char *)vendor, "SMSC", max_vendor_len);
|
|
strncpy ((char *)product, "Flash Media Cntrller", max_product_len);
|
|
}
|
|
}
|
|
#endif /* CONFIG_USB_BIN_FIXUP */
|
|
|
|
#define USB_MAX_READ_BLK 20
|
|
|
|
unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer)
|
|
{
|
|
unsigned long start,blks, buf_addr;
|
|
unsigned short smallblks;
|
|
struct usb_device *dev;
|
|
int retry,i;
|
|
ccb *srb = &usb_ccb;
|
|
|
|
if (blkcnt == 0)
|
|
return 0;
|
|
|
|
device &= 0xff;
|
|
/* Setup device
|
|
*/
|
|
USB_STOR_PRINTF("\nusb_read: dev %d \n",device);
|
|
dev=NULL;
|
|
for(i=0;i<USB_MAX_DEVICE;i++) {
|
|
dev=usb_get_dev_index(i);
|
|
if(dev==NULL) {
|
|
return 0;
|
|
}
|
|
if(dev->devnum==usb_dev_desc[device].target)
|
|
break;
|
|
}
|
|
|
|
usb_disable_asynch(1); /* asynch transfer not allowed */
|
|
srb->lun=usb_dev_desc[device].lun;
|
|
buf_addr=(unsigned long)buffer;
|
|
start=blknr;
|
|
blks=blkcnt;
|
|
if(usb_test_unit_ready(srb,(struct us_data *)dev->privptr)) {
|
|
printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",
|
|
srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
|
|
return 0;
|
|
}
|
|
USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks, buf_addr);
|
|
do {
|
|
retry=2;
|
|
srb->pdata=(unsigned char *)buf_addr;
|
|
if(blks>USB_MAX_READ_BLK) {
|
|
smallblks=USB_MAX_READ_BLK;
|
|
} else {
|
|
smallblks=(unsigned short) blks;
|
|
}
|
|
retry_it:
|
|
if(smallblks==USB_MAX_READ_BLK)
|
|
usb_show_progress();
|
|
srb->datalen=usb_dev_desc[device].blksz * smallblks;
|
|
srb->pdata=(unsigned char *)buf_addr;
|
|
if(usb_read_10(srb,(struct us_data *)dev->privptr, start, smallblks)) {
|
|
USB_STOR_PRINTF("Read ERROR\n");
|
|
usb_request_sense(srb,(struct us_data *)dev->privptr);
|
|
if(retry--)
|
|
goto retry_it;
|
|
blkcnt-=blks;
|
|
break;
|
|
}
|
|
start+=smallblks;
|
|
blks-=smallblks;
|
|
buf_addr+=srb->datalen;
|
|
} while(blks!=0);
|
|
USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr);
|
|
usb_disable_asynch(0); /* asynch transfer allowed */
|
|
if(blkcnt>=USB_MAX_READ_BLK)
|
|
printf("\n");
|
|
return(blkcnt);
|
|
}
|
|
|
|
|
|
/* Probe to see if a new device is actually a Storage device */
|
|
int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss)
|
|
{
|
|
struct usb_interface_descriptor *iface;
|
|
int i;
|
|
unsigned int flags = 0;
|
|
|
|
int protocol = 0;
|
|
int subclass = 0;
|
|
|
|
/* let's examine the device now */
|
|
iface = &dev->config.if_desc[ifnum];
|
|
|
|
#if 0
|
|
/* this is the place to patch some storage devices */
|
|
USB_STOR_PRINTF("iVendor %X iProduct %X\n",dev->descriptor.idVendor,dev->descriptor.idProduct);
|
|
if ((dev->descriptor.idVendor) == 0x066b && (dev->descriptor.idProduct) == 0x0103) {
|
|
USB_STOR_PRINTF("patched for E-USB\n");
|
|
protocol = US_PR_CB;
|
|
subclass = US_SC_UFI; /* an assumption */
|
|
}
|
|
#endif
|
|
|
|
if (dev->descriptor.bDeviceClass != 0 ||
|
|
iface->bInterfaceClass != USB_CLASS_MASS_STORAGE ||
|
|
iface->bInterfaceSubClass < US_SC_MIN ||
|
|
iface->bInterfaceSubClass > US_SC_MAX) {
|
|
/* if it's not a mass storage, we go no further */
|
|
return 0;
|
|
}
|
|
|
|
memset(ss, 0, sizeof(struct us_data));
|
|
|
|
/* At this point, we know we've got a live one */
|
|
USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
|
|
|
|
/* Initialize the us_data structure with some useful info */
|
|
ss->flags = flags;
|
|
ss->ifnum = ifnum;
|
|
ss->pusb_dev = dev;
|
|
ss->attention_done = 0;
|
|
|
|
/* If the device has subclass and protocol, then use that. Otherwise,
|
|
* take data from the specific interface.
|
|
*/
|
|
if (subclass) {
|
|
ss->subclass = subclass;
|
|
ss->protocol = protocol;
|
|
} else {
|
|
ss->subclass = iface->bInterfaceSubClass;
|
|
ss->protocol = iface->bInterfaceProtocol;
|
|
}
|
|
|
|
/* set the handler pointers based on the protocol */
|
|
USB_STOR_PRINTF("Transport: ");
|
|
switch (ss->protocol) {
|
|
case US_PR_CB:
|
|
USB_STOR_PRINTF("Control/Bulk\n");
|
|
ss->transport = usb_stor_CB_transport;
|
|
ss->transport_reset = usb_stor_CB_reset;
|
|
break;
|
|
|
|
case US_PR_CBI:
|
|
USB_STOR_PRINTF("Control/Bulk/Interrupt\n");
|
|
ss->transport = usb_stor_CB_transport;
|
|
ss->transport_reset = usb_stor_CB_reset;
|
|
break;
|
|
case US_PR_BULK:
|
|
USB_STOR_PRINTF("Bulk/Bulk/Bulk\n");
|
|
ss->transport = usb_stor_BBB_transport;
|
|
ss->transport_reset = usb_stor_BBB_reset;
|
|
break;
|
|
default:
|
|
printf("USB Storage Transport unknown / not yet implemented\n");
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* We are expecting a minimum of 2 endpoints - in and out (bulk).
|
|
* An optional interrupt is OK (necessary for CBI protocol).
|
|
* We will ignore any others.
|
|
*/
|
|
for (i = 0; i < iface->bNumEndpoints; i++) {
|
|
/* is it an BULK endpoint? */
|
|
if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
|
|
== USB_ENDPOINT_XFER_BULK) {
|
|
if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
|
|
ss->ep_in = iface->ep_desc[i].bEndpointAddress &
|
|
USB_ENDPOINT_NUMBER_MASK;
|
|
else
|
|
ss->ep_out = iface->ep_desc[i].bEndpointAddress &
|
|
USB_ENDPOINT_NUMBER_MASK;
|
|
}
|
|
|
|
/* is it an interrupt endpoint? */
|
|
if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
|
|
== USB_ENDPOINT_XFER_INT) {
|
|
ss->ep_int = iface->ep_desc[i].bEndpointAddress &
|
|
USB_ENDPOINT_NUMBER_MASK;
|
|
ss->irqinterval = iface->ep_desc[i].bInterval;
|
|
}
|
|
}
|
|
USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n",
|
|
ss->ep_in, ss->ep_out, ss->ep_int);
|
|
|
|
/* Do some basic sanity checks, and bail if we find a problem */
|
|
if (usb_set_interface(dev, iface->bInterfaceNumber, 0) ||
|
|
!ss->ep_in || !ss->ep_out ||
|
|
(ss->protocol == US_PR_CBI && ss->ep_int == 0)) {
|
|
USB_STOR_PRINTF("Problems with device\n");
|
|
return 0;
|
|
}
|
|
/* set class specific stuff */
|
|
/* We only handle certain protocols. Currently, these are
|
|
* the only ones.
|
|
* The SFF8070 accepts the requests used in u-boot
|
|
*/
|
|
if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI &&
|
|
ss->subclass != US_SC_8070) {
|
|
printf("Sorry, protocol %d not yet supported.\n",ss->subclass);
|
|
return 0;
|
|
}
|
|
if(ss->ep_int) { /* we had found an interrupt endpoint, prepare irq pipe */
|
|
/* set up the IRQ pipe and handler */
|
|
|
|
ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255;
|
|
ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int);
|
|
ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
|
|
dev->irq_handle=usb_stor_irq;
|
|
}
|
|
dev->privptr=(void *)ss;
|
|
return 1;
|
|
}
|
|
|
|
int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t *dev_desc)
|
|
{
|
|
unsigned char perq,modi;
|
|
unsigned long cap[2];
|
|
unsigned long *capacity,*blksz;
|
|
ccb *pccb = &usb_ccb;
|
|
|
|
/* for some reasons a couple of devices would not survive this reset */
|
|
if (
|
|
/* Sony USM256E */
|
|
(dev->descriptor.idVendor == 0x054c &&
|
|
dev->descriptor.idProduct == 0x019e)
|
|
|
|
||
|
|
/* USB007 Mini-USB2 Flash Drive */
|
|
(dev->descriptor.idVendor == 0x066f &&
|
|
dev->descriptor.idProduct == 0x2010)
|
|
||
|
|
/* SanDisk Corporation Cruzer Micro 20044318410546613953 */
|
|
(dev->descriptor.idVendor == 0x0781 &&
|
|
dev->descriptor.idProduct == 0x5151)
|
|
)
|
|
USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
|
|
else
|
|
ss->transport_reset(ss);
|
|
|
|
pccb->pdata = usb_stor_buf;
|
|
|
|
dev_desc->target = dev->devnum;
|
|
pccb->lun = dev_desc->lun;
|
|
USB_STOR_PRINTF(" address %d\n",dev_desc->target);
|
|
|
|
if(usb_inquiry(pccb,ss))
|
|
return -1;
|
|
|
|
perq = usb_stor_buf[0];
|
|
modi = usb_stor_buf[1];
|
|
if((perq & 0x1f) == 0x1f) {
|
|
return 0; /* skip unknown devices */
|
|
}
|
|
if((modi&0x80) == 0x80) {/* drive is removable */
|
|
dev_desc->removable = 1;
|
|
}
|
|
memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8);
|
|
memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16);
|
|
memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4);
|
|
dev_desc->vendor[8] = 0;
|
|
dev_desc->product[16] = 0;
|
|
dev_desc->revision[4] = 0;
|
|
#ifdef CONFIG_USB_BIN_FIXUP
|
|
usb_bin_fixup(dev->descriptor, dev_desc->vendor, dev_desc->product);
|
|
#endif /* CONFIG_USB_BIN_FIXUP */
|
|
USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n",usb_stor_buf[2],usb_stor_buf[3]);
|
|
if(usb_test_unit_ready(pccb,ss)) {
|
|
printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",pccb->sense_buf[2],pccb->sense_buf[12],pccb->sense_buf[13]);
|
|
if(dev_desc->removable == 1) {
|
|
dev_desc->type = perq;
|
|
return 1;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
pccb->pdata = (unsigned char *)&cap[0];
|
|
memset(pccb->pdata,0,8);
|
|
if(usb_read_capacity(pccb,ss) != 0) {
|
|
printf("READ_CAP ERROR\n");
|
|
cap[0] = 2880;
|
|
cap[1] = 0x200;
|
|
}
|
|
USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n",cap[0],cap[1]);
|
|
#if 0
|
|
if(cap[0]>(0x200000 * 10)) /* greater than 10 GByte */
|
|
cap[0]>>=16;
|
|
#endif
|
|
#ifdef LITTLEENDIAN
|
|
cap[0] = ((unsigned long)(
|
|
(((unsigned long)(cap[0]) & (unsigned long)0x000000ffUL) << 24) |
|
|
(((unsigned long)(cap[0]) & (unsigned long)0x0000ff00UL) << 8) |
|
|
(((unsigned long)(cap[0]) & (unsigned long)0x00ff0000UL) >> 8) |
|
|
(((unsigned long)(cap[0]) & (unsigned long)0xff000000UL) >> 24) ));
|
|
cap[1] = ((unsigned long)(
|
|
(((unsigned long)(cap[1]) & (unsigned long)0x000000ffUL) << 24) |
|
|
(((unsigned long)(cap[1]) & (unsigned long)0x0000ff00UL) << 8) |
|
|
(((unsigned long)(cap[1]) & (unsigned long)0x00ff0000UL) >> 8) |
|
|
(((unsigned long)(cap[1]) & (unsigned long)0xff000000UL) >> 24) ));
|
|
#endif
|
|
/* this assumes bigendian! */
|
|
cap[0] += 1;
|
|
capacity = &cap[0];
|
|
blksz = &cap[1];
|
|
USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",*capacity,*blksz);
|
|
dev_desc->lba = *capacity;
|
|
dev_desc->blksz = *blksz;
|
|
dev_desc->type = perq;
|
|
USB_STOR_PRINTF(" address %d\n",dev_desc->target);
|
|
USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
|
|
|
|
init_part(dev_desc);
|
|
|
|
USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
|
|
return 1;
|
|
}
|
|
|
|
#endif /* CONFIG_USB_STORAGE */
|
|
#endif /* CFG_CMD_USB */
|