ibm_newemac: Add support for GPCS, SGMII and M88E1112 PHY

Add support for the phy types found on the Arches and other
PowerPC 460 based boards.

Signed-off-by: Victor Gallardo <vgallardo@amcc.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
diff --git a/arch/powerpc/include/asm/dcr-regs.h b/arch/powerpc/include/asm/dcr-regs.h
index 7b833ff..828e3aa 100644
--- a/arch/powerpc/include/asm/dcr-regs.h
+++ b/arch/powerpc/include/asm/dcr-regs.h
@@ -75,6 +75,10 @@
 #define ICINTSTAT_ICTX1 0x20000000
 #define ICINTSTAT_ICTX	0x60000000
 
+/* SDRs (460EX/460GT) */
+#define SDR0_ETH_CFG		0x4103
+#define SDR0_ETH_CFG_ECS	0x00000100	/* EMAC int clk source */
+
 /*
  * All those DCR register addresses are offsets from the base address
  * for the SRAM0 controller (e.g. 0x20 on 440GX). The base address is