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authorJochen Friedrich <jochen@scram.de>2011-11-28 01:00:55 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2012-01-09 03:37:34 +0400
commitaf9081ae64b941d32239b947882cd59ba855c5db (patch)
tree1a9db6734a8ded75c20da0b99fa5c85449f70f3e /arch/arm/mach-sa1100/lart.c
parent5dd7bf59e0e8563265b3e5b33276099ef628fcc7 (diff)
downloadlinux-af9081ae64b941d32239b947882cd59ba855c5db.tar.xz
ARM: sa1100: Refactor mcp-sa11x0 to use platform resources.
Make use of memory resources rather than hardcoded IO adresses. This is a first step towards DT support. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-sa1100/lart.c')
-rw-r--r--arch/arm/mach-sa1100/lart.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
index 34bbdd986e43..b9d5bcb8870e 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -29,6 +29,15 @@ static struct mcp_plat_data lart_mcp_data = {
static void __init lart_init(void)
{
+ /*
+ * Setup the PPC unit correctly.
+ */
+ PPDR &= ~PPC_RXD4;
+ PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+ PSDR |= PPC_RXD4;
+ PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+ PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
sa11x0_register_mcp(&lart_mcp_data);
}