diff options
Diffstat (limited to 'pkgs/misc/uboot/guruplug-usb-msd-multi-lun.patch')
| -rw-r--r-- | pkgs/misc/uboot/guruplug-usb-msd-multi-lun.patch | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/pkgs/misc/uboot/guruplug-usb-msd-multi-lun.patch b/pkgs/misc/uboot/guruplug-usb-msd-multi-lun.patch deleted file mode 100644 index 4f32dd89031..00000000000 --- a/pkgs/misc/uboot/guruplug-usb-msd-multi-lun.patch +++ /dev/null @@ -1,106 +0,0 @@ -The GuruPlug's microSD card reader is a USB mass storage device that -has two logical units (LUNs), i.e., two "SCSI disks". This patch -adds multi-LUN support to the USB MSD driver. - -See the thread at <http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/85425>. - ---- u-boot/common/usb_storage.c 1970-01-01 01:00:01.000000000 +0100 -+++ u-boot/common/usb_storage.c 2010-10-02 00:38:15.000000000 +0200 -@@ -204,6 +204,22 @@ int usb_stor_info(void) - return 1; - } - -+static unsigned int usb_get_max_lun(struct us_data *us) -+{ -+ int len; -+ unsigned char result; -+ len = usb_control_msg(us->pusb_dev, -+ usb_rcvctrlpipe(us->pusb_dev, 0), -+ US_BBB_GET_MAX_LUN, -+ USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, -+ 0, us->ifnum, -+ &result, sizeof(result), -+ USB_CNTL_TIMEOUT * 5); -+ USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n", -+ len, (int) result); -+ return (len > 0) ? result : 0; -+} -+ - /******************************************************************************* - * scan the usb and reports device info - * to the user if mode = 1 -@@ -241,13 +257,21 @@ int usb_stor_scan(int mode) - 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]) == 1) -+ /* OK, it's a storage device. Iterate over its LUNs -+ * and populate `usb_dev_desc'. */ -+ int lun, max_lun, start = usb_max_devs; -+ -+ max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); -+ for (lun = 0; -+ lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; -+ lun++) { -+ usb_dev_desc[usb_max_devs].lun = lun; -+ if (usb_stor_get_info(dev, &usb_stor[start], -+ &usb_dev_desc[usb_max_devs]) == 1) { - usb_max_devs++; - } -+ } -+ } - /* if storage device */ - if (usb_max_devs == USB_MAX_STOR_DEV) { - printf("max USB Storage Device reached: %d stopping\n", -@@ -882,6 +906,7 @@ static int usb_inquiry(ccb *srb, struct - 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; -@@ -905,6 +930,7 @@ static int usb_request_sense(ccb *srb, s - 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]; -@@ -924,6 +950,7 @@ static int usb_test_unit_ready(ccb *srb, - 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) -@@ -943,6 +970,7 @@ static int usb_read_capacity(ccb *srb, s - 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) -@@ -957,6 +985,7 @@ static int usb_read_10(ccb *srb, struct - { - 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; -@@ -973,6 +1002,7 @@ static int usb_write_10(ccb *srb, struct - { - memset(&srb->cmd[0], 0, 12); - srb->cmd[0] = SCSI_WRITE10; -+ 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; |