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, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index b0b5efee683b..b5d28d1491d8 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -357,6 +357,16 @@ static void __init collie_init(void)
 
         sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
                             ARRAY_SIZE(collie_flash_resources));
+
+        /*
+         * 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(&collie_mcp_data);
 
         sharpsl_save_param();