diff options
| author | Vadim Bendebury <vbendeb@chromium.org> | 2014-10-16 11:07:41 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-09 14:38:04 +0200 |
| commit | 32005aa9587db57e2ddaf5dfcbe6280f6c876580 (patch) | |
| tree | e53a65e5e892f6f503ffa1643b629de5d515e822 /src | |
| parent | 420b0f692b36d369b0223a57b0792c634b189487 (diff) | |
| download | coreboot-32005aa9587db57e2ddaf5dfcbe6280f6c876580.tar.xz | |
bg4cd: add SPI controller driver skeleton
This file provides the SOC specific SPI driver API, it needs to be
filled up with code. Function descriptions can be found in
src/include/spi-generic.h.
BRANCH=none
BUG=chrome-os-partner:32631
TEST=compiles with the upcoming patches applied.
Change-Id: I3546d5f9fb2971f4ccb7a57ce8164fd77686af72
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 0583f17fe3f6a258321765b91eae608e33577afe
Original-Change-Id: I0ee04ca17874a13403007bba80d5e8a7708bc625
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/223719
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9355
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/marvell/bg4cd/spi.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/soc/marvell/bg4cd/spi.c b/src/soc/marvell/bg4cd/spi.c new file mode 100644 index 0000000000..8ae22d1487 --- /dev/null +++ b/src/soc/marvell/bg4cd/spi.c @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * Copyright 2014 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stddef.h> +#include <spi-generic.h> + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) +{ + return NULL; +} + +int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ +} + +int spi_xfer(struct spi_slave *slave, const void *dout, + unsigned out_bytes, void *din, unsigned in_bytes) +{ + return 0; +} |