diff options
| author | Julius Werner <jwerner@chromium.org> | 2014-04-08 13:34:11 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2014-10-22 23:53:54 +0200 |
| commit | 3b9795bb2dc213c4fd73689bee7a073c19d0edf7 (patch) | |
| tree | fcb7e6e89c9d9d526dca66bfb7f84023cf086288 /payloads/libpayload/drivers/usb/ohci_private.h | |
| parent | bedd6aff10675f77f31431adecb9dab2970ab61f (diff) | |
libpayload: usb: Make OHCI work with ARM systems
This patch enables the OHCI driver to use DMA memory, which is necessary
for ARM systems where DMA devices are not cache coherent. I really only
need this to test some later OHCI changes, but it was easy enough...
copied almost verbatim from ehci.c.
Change-Id: Ia717eef28340bd6182a6782e83bfdd0693cf0db1
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/193730
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
(cherry picked from commit e46b6ebc439e86a00e13bf656d60cf6c186a3777)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/7010
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'payloads/libpayload/drivers/usb/ohci_private.h')
| -rw-r--r-- | payloads/libpayload/drivers/usb/ohci_private.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/ohci_private.h b/payloads/libpayload/drivers/usb/ohci_private.h index b6eaf6b449..e912837413 100644 --- a/payloads/libpayload/drivers/usb/ohci_private.h +++ b/payloads/libpayload/drivers/usb/ohci_private.h @@ -257,6 +257,8 @@ hcca_t *hcca; usbdev_t *roothub; ed_t *periodic_ed; +#define DMA_SIZE (64 * 1024) + void *dma_buffer; } ohci_t; typedef enum { OHCI_SETUP=0, OHCI_OUT=1, OHCI_IN=2, OHCI_FROM_TD=3 } ohci_pid_t; |