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Add a fix for a buggy USB device on the FO300 board.

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This commit is contained in:
Bartlomiej Sieka 2006-08-22 10:38:18 +02:00
parent 6d3bc9b8cf
commit ddde6b7cf8
3 changed files with 28 additions and 1 deletions
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2
CHANGELOG
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@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
* Add a fix for a buggy USB device on the FO300 board.
* Add support for WTK FO300 board (TQM5200 based).
* Fix TQM834x hang.

25
common/usb_storage.c
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@ -916,6 +916,28 @@ static int usb_read_10(ccb *srb,struct us_data *ss, unsigned long start, unsigne
}
#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(vendor, "SMSC", max_vendor_len);
strncpy(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, unsigned long *buffer)
@ -1171,6 +1193,9 @@ int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t
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]);

2
include/configs/TQM5200.h
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@ -63,7 +63,7 @@
#define CFG_DEVICE_NULLDEV 1 /* enable null device */
#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* used to detect S1 switch position */
#define CONFIG_USB_BIN_FIXUP 1 /* for a buggy USB device */
#if 0
#define FO300_SILENT_CONSOLE_WHEN_S1_CLOSED 1 /* silent console on PSC1 when S1 */
/* switch is closed */