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>

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);
 }