[PATCH] powerpc: Add support for Xilinx ML403 reference design

Includes fix for Xilinx silicon errata 213

Signed-off-by: Grant C. Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 10 insertions, 2 deletions

diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile
index 9533f8de238f..28be01b99c44 100644
--- a/arch/ppc/boot/simple/Makefile
+++ b/arch/ppc/boot/simple/Makefile
@@ -192,6 +192,7 @@ boot-$(CONFIG_8xx)		+= embed_config.o
 boot-$(CONFIG_8260)             += embed_config.o
 boot-$(CONFIG_EP405)            += embed_config.o
 boot-$(CONFIG_XILINX_ML300)     += embed_config.o
+boot-$(CONFIG_XILINX_ML403)     += embed_config.o
 boot-$(CONFIG_BSEIP)            += iic.o
 boot-$(CONFIG_MBX)              += iic.o pci.o qspan_pci.o
 boot-$(CONFIG_MV64X60)          += misc-mv64x60.o
diff --git a/arch/ppc/boot/simple/embed_config.c b/arch/ppc/boot/simple/embed_config.c
index df24202073bf..3a51b1062940 100644
--- a/arch/ppc/boot/simple/embed_config.c
+++ b/arch/ppc/boot/simple/embed_config.c
@@ -745,7 +745,7 @@ embed_config(bd_t **bdp)
 }
 #endif /* WILLOW */
 
-#ifdef CONFIG_XILINX_ML300
+#if defined(CONFIG_XILINX_ML300) || defined(CONFIG_XILINX_ML403)
 void
 embed_config(bd_t ** bdp)
 {
@@ -782,7 +782,7 @@ embed_config(bd_t ** bdp)
         timebase_period_ns = 1000000000 / bd->bi_tbfreq;
         /* see bi_tbfreq definition in arch/ppc/platforms/4xx/xilinx_ml300.h */
 }
-#endif /* CONFIG_XILINX_ML300 */
+#endif /* CONFIG_XILINX_ML300 || CONFIG_XILINX_ML403 */
 
 #ifdef CONFIG_IBM_OPENBIOS
 /* This could possibly work for all treeboot roms.
diff --git a/arch/ppc/boot/simple/head.S b/arch/ppc/boot/simple/head.S
index 5e4adc298bf9..119b9dc89587 100644
--- a/arch/ppc/boot/simple/head.S
+++ b/arch/ppc/boot/simple/head.S
@@ -65,6 +65,13 @@ start_:
                          */
 #endif
 
+#if defined(CONFIG_XILINX_VIRTEX_4_FX)
+        /* PPC errata 213: only for Virtex-4 FX */
+        mfccr0  0
+        oris    0,0,0x50000000@h
+        mtccr0  0
+#endif
+
         mflr    r3      /* Save our actual starting address. */
 
         /* The following functions we call must not modify r3 or r4.....