powerpc/476fpe: Add 476fpe SoC code

Based on original work by David 'Shaggy' Kleikamp.

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Josh Boyer <jwboyer@gmail.com>
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.h b/arch/powerpc/sysdev/ppc4xx_pci.h
index 32ce763..bb48219 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.h
+++ b/arch/powerpc/sysdev/ppc4xx_pci.h
@@ -476,6 +476,13 @@
 #define DCRO_PEGPL_OMR1MSKL_UOT	 0x00000002
 #define DCRO_PEGPL_OMR3MSKL_IO	 0x00000002
 
+/* 476FPE */
+#define PCCFG_LCPA			0x270
+#define PECFG_TLDLP			0x3F8
+#define PECFG_TLDLP_LNKUP		0x00000008
+#define PECFG_TLDLP_PRESENT		0x00000010
+#define DCRO_PEGPL_476FPE_OMR1MSKL_UOT	 0x00000004
+
 /* SDR Bit Mappings */
 #define PESDRx_RCSSET_HLDPLB	0x10000000
 #define PESDRx_RCSSET_RSTGU	0x01000000