From 32005aa9587db57e2ddaf5dfcbe6280f6c876580 Mon Sep 17 00:00:00 2001 From: Vadim Bendebury Date: Thu, 16 Oct 2014 11:07:41 -0700 Subject: 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 Original-Commit-Id: 0583f17fe3f6a258321765b91eae608e33577afe Original-Change-Id: I0ee04ca17874a13403007bba80d5e8a7708bc625 Original-Signed-off-by: Vadim Bendebury Original-Reviewed-on: https://chromium-review.googlesource.com/223719 Original-Reviewed-by: Aaron Durbin Reviewed-on: http://review.coreboot.org/9355 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/marvell/bg4cd/spi.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/soc/marvell/bg4cd/spi.c (limited to 'src/soc/marvell') 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 +#include + +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; +} -- cgit v1.2.3