commit fa14385ac5ae265269e328100d13ac4400e21e0c
author Ionela Voinescu <ionela.voinescu@imgtec.com> Mon Feb 02 15:35:44 2015 +0000
committer Patrick Georgi <pgeorgi@google.com> Tue Apr 14 10:43:04 2015 +0200
tree 915f9b775364e037383c21087074414ba1ad7e2a
parent 8b52c93a73f494364e43833f924fbd13e20530bc

libpayload dwc2: use bus addresses for buffers

The address of the output buffer sent to the device should be
the bus address and not the virtual address.

BUG=chrome-os-partner:31438
TEST=tested on Pistachio FPGA and bring up board;
     USB works properly after this change
BRANCH=none

Change-Id: I5c9d199e17c3f4303095ad73f4980d32d04c6118
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 942c385c112c2a4e409da806548081d3e2f8f438
Original-Change-Id: I0c06196501a968a72cb3f2c7dd1027bb22cdaada
Original-Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/245387
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9455
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

payloads/libpayload/drivers/usb/dwc2.c

diff --git a/payloads/libpayload/drivers/usb/dwc2.c b/payloads/libpayload/drivers/usb/dwc2.c
index 71c4967..e14ff83 100644
--- a/payloads/libpayload/drivers/usb/dwc2.c
+++ b/payloads/libpayload/drivers/usb/dwc2.c
@@ -253,7 +253,8 @@
 		memcpy(aligned_buf, data_buf, size);
 
 	writel(hctsiz.d32, &reg->host.hchn[ch_num].hctsizn);
-	writel((uint32_t)aligned_buf, &reg->host.hchn[ch_num].hcdman);
+	writel((uint32_t)virt_to_bus(aligned_buf),
+		&reg->host.hchn[ch_num].hcdman);
 	writel(hcchar.d32, &reg->host.hchn[ch_num].hccharn);
 
 	ret = wait_for_complete(ep, ch_num);