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SAMA5 EHCI: Taking direction from wrong bit in SETUP request; need to flush data buffer before starting SETUP request

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This commit is contained in:
Gregory Nutt 2013-08-26 11:05:23 -06:00
parent 57eb83da9d
commit 78812d5b80
1 changed files with 13 additions and 1 deletions
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14
arch/arm/src/sama5/sam_ehci.c
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@ -1523,6 +1523,18 @@ static int sam_qtd_addbpl(struct sam_qtd_s *qtd, const void *buffer, size_t bufl
uint32_t next; uint32_t next;
int ndx; int ndx;
/* Flush the contents of the data buffer to RAM so that the correct contents
* will be accessed for an OUT DMA.
*/
cp15_coherent_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
/* Loop, adding the aligned physical addresses of the buffer to the buffer page
* list. Only the first entry need not be aligned (because only the first
* entry has the offset field). The subsequent entries must begin on 4KB
* address boundaries.
*/
physaddr = (uint32_t)sam_physramaddr((uintptr_t)buffer); physaddr = (uint32_t)sam_physramaddr((uintptr_t)buffer);
for (ndx = 0; ndx < 5; ndx++) for (ndx = 0; ndx < 5; ndx++)
@ -1825,7 +1837,7 @@ static ssize_t sam_async_transfer(struct sam_rhport_s *rhport,
datapid = QTD_TOKEN_PID_OUT; datapid = QTD_TOKEN_PID_OUT;
if (req) if (req)
{ {
if ((req->req & USB_REQ_DIR_MASK) == USB_REQ_DIR_IN) if ((req->type & USB_REQ_DIR_MASK) == USB_REQ_DIR_IN)
{ {
datapid = QTD_TOKEN_PID_IN; datapid = QTD_TOKEN_PID_IN;
} }