[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>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/ppc/platforms/4xx/xilinx_ml403.h b/arch/ppc/platforms/4xx/xilinx_ml403.h
new file mode 100644
index 000000000000..473596959902
--- /dev/null
+++ b/arch/ppc/platforms/4xx/xilinx_ml403.h
@@ -0,0 +1,49 @@
+/*
+ * arch/ppc/platforms/4xx/xilinx_ml403.h
+ *
+ * Include file that defines the Xilinx ML403 reference design
+ *
+ * Author: Grant Likely <grant.likely@secretlab.ca>
+ *
+ * 2005 (c) Secret Lab Technologies Ltd.
+ * 2002-2004 (c) MontaVista Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifdef __KERNEL__
+#ifndef __ASM_XILINX_ML403_H__
+#define __ASM_XILINX_ML403_H__
+
+/* ML403 has a Xilinx Virtex-4 FPGA with a PPC405 hard core */
+#include <platforms/4xx/virtex.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+typedef struct board_info {
+	unsigned int	 bi_memsize;		/* DRAM installed, in bytes */
+	unsigned char	 bi_enetaddr[6];	/* Local Ethernet MAC address */
+	unsigned int	 bi_intfreq;		/* Processor speed, in Hz */
+	unsigned int	 bi_busfreq;		/* PLB Bus speed, in Hz */
+	unsigned int	 bi_pci_busfreq;	/* PCI Bus speed, in Hz */
+} bd_t;
+
+/* Some 4xx parts use a different timebase frequency from the internal clock.
+*/
+#define bi_tbfreq bi_intfreq
+
+#endif /* !__ASSEMBLY__ */
+
+/* We don't need anything mapped.  Size of zero will accomplish that. */
+#define PPC4xx_ONB_IO_PADDR	0u
+#define PPC4xx_ONB_IO_VADDR	0u
+#define PPC4xx_ONB_IO_SIZE	0u
+
+#define PPC4xx_MACHINE_NAME "Xilinx ML403 Reference Design"
+
+#endif /* __ASM_XILINX_ML403_H__ */
+#endif /* __KERNEL__ */