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>

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);
 }