davinci: update DM644x support in preparation for more SoCs

Rework DM644x code into SoC specific and board specific parts.
This is also to generalize the structure a bit so it's easier to add
support for new SoCs in the DaVinci family.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/Kconfig

@@ -4,19 +4,18 @@ menu "TI DaVinci Implementations"
 
 comment "DaVinci Core Type"
 
-config ARCH_DAVINCI644x
-	default y
+config ARCH_DAVINCI_DM644x
 	bool "DaVinci 644x based system"
 
 comment "DaVinci Board Type"
 
 config MACH_DAVINCI_EVM
-	bool "TI DaVinci EVM"
+	bool "TI DM644x EVM"
 	default y
-	depends on ARCH_DAVINCI644x
+	depends on ARCH_DAVINCI_DM644x
 	help
 	  Configure this option to specify the whether the board used
-	  for development is a DaVinci EVM
+	  for development is a DM644x EVM
 
 
 config DAVINCI_MUX

arch/arm/mach-davinci/Makefile

@@ -9,5 +9,8 @@ obj-y 			:= time.o irq.o clock.o serial.o io.o id.o psc.o \
 
 obj-$(CONFIG_DAVINCI_MUX)		+= mux.o
 
+# Chip specific
+obj-$(CONFIG_ARCH_DAVINCI_DM644x)       += dm644x.o
+
 # Board specific
-obj-$(CONFIG_MACH_DAVINCI_EVM)  += board-evm.o
+obj-$(CONFIG_MACH_DAVINCI_EVM)  	+= board-dm644x-evm.o

arch/arm/mach-davinci/include/mach/board-dm6446evm.h

+/*
+ * DaVinci DM6446 EVM board specific headers
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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 ifndef.
+ */
+
+#ifndef _MACH_DAVINCI_DM6446EVM_H
+#define _MACH_DAVINCI_DM6446EVM_H
+
+#include <linux/types.h>
+
+int dm6446evm_eeprom_read(char *buf, off_t off, size_t count);
+int dm6446evm_eeprom_write(char *buf, off_t off, size_t count);
+
+#endif

arch/arm/mach-davinci/include/mach/common.h

@@ -16,6 +16,12 @@ struct sys_timer;
 
 extern struct sys_timer davinci_timer;
 
+extern void davinci_irq_init(void);
+extern void davinci_map_common_io(void);
+
+/* parameters describe VBUS sourcing for host mode */
+extern void setup_usb(unsigned mA, unsigned potpgt_msec);
+
 /* parameters describe VBUS sourcing for host mode */
 extern void setup_usb(unsigned mA, unsigned potpgt_msec);
 

arch/arm/mach-davinci/include/mach/dm644x.h

+/*
+ * This file contains the processor specific definitions
+ * of the TI DM644x.
+ *
+ * Copyright (C) 2008 Texas Instruments.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#ifndef __ASM_ARCH_DM644X_H
+#define __ASM_ARCH_DM644X_H
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+
+#define DM644X_EMAC_BASE		(0x01C80000)
+#define DM644X_EMAC_CNTRL_OFFSET	(0x0000)
+#define DM644X_EMAC_CNTRL_MOD_OFFSET	(0x1000)
+#define DM644X_EMAC_CNTRL_RAM_OFFSET	(0x2000)
+#define DM644X_EMAC_MDIO_OFFSET		(0x4000)
+#define DM644X_EMAC_CNTRL_RAM_SIZE	(0x2000)
+
+void __init dm644x_init(void);
+
+#endif /* __ASM_ARCH_DM644X_H */