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authorWolfgang Denk <wd@pollux.denx.de>2006-11-27 16:13:00 +0100
committerWolfgang Denk <wd@denx.de>2006-11-27 16:13:00 +0100
commitd3c5e8b2f5945d93de8f23b053e9dcd033983245 (patch)
tree72c292c41bc0dfadd6f634fe03e697d8a4473487 /common/usb_storage.c
parent98280e3d431db77d92219438b8840853bd7cb412 (diff)
parenta9398e018593782c5fa7d0741955fc1256b34c1e (diff)
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Merge with /home/wd/git/u-boot/master
Diffstat (limited to 'common/usb_storage.c')
-rw-r--r--common/usb_storage.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c
index e64470c..06ea99b 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -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 ((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, 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]);