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author | Gregory Nutt <gnutt@nuttx.org> | 2013-08-26 11:05:23 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2013-08-26 11:05:23 -0600 |
commit | 7f18b02e9ce6872998169cd849def297a76435b2 (patch) | |
tree | 81475f09fb0c6fcb84ff6a0ffb345c56c9547785 | |
parent | d94a7d54fbfbd086c19f274b4657d9994d2b6db5 (diff) | |
download | px4-nuttx-7f18b02e9ce6872998169cd849def297a76435b2.tar.gz px4-nuttx-7f18b02e9ce6872998169cd849def297a76435b2.tar.bz2 px4-nuttx-7f18b02e9ce6872998169cd849def297a76435b2.zip |
SAMA5 EHCI: Taking direction from wrong bit in SETUP request; need to flush data buffer before starting SETUP request
-rwxr-xr-x | nuttx/arch/arm/src/sama5/sam_ehci.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/sama5/sam_ehci.c b/nuttx/arch/arm/src/sama5/sam_ehci.c index 02f99fee2..0076563d7 100755 --- a/nuttx/arch/arm/src/sama5/sam_ehci.c +++ b/nuttx/arch/arm/src/sama5/sam_ehci.c @@ -1523,6 +1523,18 @@ static int sam_qtd_addbpl(struct sam_qtd_s *qtd, const void *buffer, size_t bufl uint32_t next; 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); 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; 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; } |