]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - common/usb_storage.c
am335x: Correct i2c sysc offset
[karo-tx-uboot.git] / common / usb_storage.c
index 12083337b01e74610be23b94c467ee8ef3eb0d64..faad23706f8d8bca3d3bd08f9ef1d5a4efcd5d38 100644 (file)
@@ -79,8 +79,7 @@ static const unsigned char us_direction[256/8] = {
 };
 #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
 
-static unsigned char usb_stor_buf[512];
-static ccb usb_ccb;
+static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN)));
 
 /*
  * CBI style
@@ -210,17 +209,17 @@ int usb_stor_info(void)
 static unsigned int usb_get_max_lun(struct us_data *us)
 {
        int len;
-       unsigned char result;
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1);
        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),
+                             result, sizeof(char),
                              USB_CNTL_TIMEOUT * 5);
        USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n",
-                       len, (int) result);
-       return (len > 0) ? result : 0;
+                       len, (int) *result);
+       return (len > 0) ? *result : 0;
 }
 
 /*******************************************************************************
@@ -233,9 +232,6 @@ 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... ");
 
@@ -499,7 +495,7 @@ int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
        int actlen;
        int dir_in;
        unsigned int pipe;
-       umass_bbb_cbw_t cbw;
+       ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1);
 
        dir_in = US_DIRECTION(srb->cmd[0]);
 
@@ -522,16 +518,16 @@ int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
        /* always OUT to the ep */
        pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
 
-       cbw.dCBWSignature = cpu_to_le32(CBWSIGNATURE);
-       cbw.dCBWTag = cpu_to_le32(CBWTag++);
-       cbw.dCBWDataTransferLength = cpu_to_le32(srb->datalen);
-       cbw.bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT);
-       cbw.bCBWLUN = srb->lun;
-       cbw.bCDBLength = srb->cmdlen;
+       cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE);
+       cbw->dCBWTag = cpu_to_le32(CBWTag++);
+       cbw->dCBWDataTransferLength = cpu_to_le32(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,
+       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");
@@ -675,7 +671,7 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
        int dir_in;
        int actlen, data_actlen;
        unsigned int pipe, pipein, pipeout;
-       umass_bbb_csw_t csw;
+       ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1);
 #ifdef BBB_XPORT_TRACE
        unsigned char *ptr;
        int index;
@@ -733,7 +729,7 @@ st:
        retry = 0;
 again:
        USB_STOR_PRINTF("STATUS phase\n");
-       result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE,
+       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 */
@@ -753,28 +749,28 @@ again:
                return USB_STOR_TRANSPORT_FAILED;
        }
 #ifdef BBB_XPORT_TRACE
-       ptr = (unsigned char *)&csw;
+       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 = le32_to_cpu(csw.dCSWDataResidue);
+       pipe = le32_to_cpu(csw->dCSWDataResidue);
        if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
                pipe = srb->datalen - data_actlen;
-       if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) {
+       if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) {
                USB_STOR_PRINTF("!CSWSIGNATURE\n");
                usb_stor_BBB_reset(us);
                return USB_STOR_TRANSPORT_FAILED;
-       } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) {
+       } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) {
                USB_STOR_PRINTF("!Tag\n");
                usb_stor_BBB_reset(us);
                return USB_STOR_TRANSPORT_FAILED;
-       } else if (csw.bCSWStatus > CSWSTATUS_PHASE) {
+       } 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) {
+       } else if (csw->bCSWStatus == CSWSTATUS_PHASE) {
                USB_STOR_PRINTF("=PHASE\n");
                usb_stor_BBB_reset(us);
                return USB_STOR_TRANSPORT_FAILED;
@@ -782,7 +778,7 @@ again:
                USB_STOR_PRINTF("transferred %dB instead of %ldB\n",
                        data_actlen, srb->datalen);
                return USB_STOR_TRANSPORT_FAILED;
-       } else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
+       } else if (csw->bCSWStatus == CSWSTATUS_FAILED) {
                USB_STOR_PRINTF("FAILED\n");
                return USB_STOR_TRANSPORT_FAILED;
        }
@@ -1343,7 +1339,8 @@ 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];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2);
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36);
        unsigned long *capacity, *blksz;
        ccb *pccb = &usb_ccb;
 
@@ -1367,9 +1364,9 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
                /* 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);
+       memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8);
+       memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16);
+       memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4);
        dev_desc->vendor[8] = 0;
        dev_desc->product[16] = 0;
        dev_desc->revision[4] = 0;