[MIPS] PMC MSP71xx core platform

Patch to add core platform support for the PMC-Sierra MSP71xx devices.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/mips/pmc-sierra/msp71xx/msp_elb.c b/arch/mips/pmc-sierra/msp71xx/msp_elb.c
new file mode 100644
index 000000000000..3e9641007216
--- /dev/null
+++ b/arch/mips/pmc-sierra/msp71xx/msp_elb.c
@@ -0,0 +1,46 @@
+/*
+ * Sets up the proper Chip Select configuration registers.  It is assumed that
+ * PMON sets up the ADDR and MASK registers properly.
+ *
+ * Copyright 2005-2006 PMC-Sierra, Inc.
+ * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com
+ *
+ *  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;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <msp_regs.h>
+
+static int __init msp_elb_setup(void)
+{
+#if defined(CONFIG_PMC_MSP7120_GW) \
+ || defined(CONFIG_PMC_MSP7120_EVAL)
+        /*
+         * Force all CNFG to be identical and equal to CS0,
+         * according to OPS doc
+         */
+        *CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG;
+#endif
+        return 0;
+}
+
+subsys_initcall(msp_elb_setup);