ARM: DaVinci: Adding Support for DaVinci DM365 EVM

This patch adds support for the DM365 EVM.
It has been tested on a DM365 EVM.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

5 files changed, 308 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 8e82084..df22bff 100644
--- a/Makefile
+++ b/Makefile
@@ -2955,6 +2955,9 @@ davinci_sonata_config :	unconfig
 davinci_dm355evm_config :	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm355evm davinci davinci
 
+davinci_dm365evm_config :	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm365evm davinci davinci
+
 imx27lite_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm926ejs imx27lite logicpd mx27
 
diff --git a/board/davinci/dm365evm/Makefile b/board/davinci/dm365evm/Makefile
new file mode 100644
index 0000000..26b0705
--- /dev/null
+++ b/board/davinci/dm365evm/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= $(BOARD).o
+SOBJS	:=
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+# This is for $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/davinci/dm365evm/config.mk b/board/davinci/dm365evm/config.mk
new file mode 100644
index 0000000..86472ff
--- /dev/null
+++ b/board/davinci/dm365evm/config.mk
@@ -0,0 +1,11 @@
+#
+# Spectrum Digital DM365 EVM board
+#	DM365 EVM board has 1 bank of 128 MB DDR RAM
+#	Physical Address: 8000'0000 to 8800'0000
+#
+# Linux Kernel is expected to be at 8000'8000, entry 8000'8000
+# (mem base + reserved)
+#
+
+#Provide at least 16MB spacing between us and the Linux Kernel image
+TEXT_BASE = 0x81080000
diff --git a/board/davinci/dm365evm/dm365evm.c b/board/davinci/dm365evm/dm365evm.c
new file mode 100644
index 0000000..e30184b
--- /dev/null
+++ b/board/davinci/dm365evm/dm365evm.c
@@ -0,0 +1,60 @@
+/*
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <nand.h>
+#include <linux/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/nand_defs.h>
+#include "../common/misc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM365_EVM;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+#ifdef CONFIG_NAND_DAVINCI
+static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)
+{
+	struct nand_chip	*this = mtd->priv;
+	u32			wbase = (u32) this->IO_ADDR_W;
+	u32			rbase = (u32) this->IO_ADDR_R;
+
+	if (chip == 1) {
+		__set_bit(14, &wbase);
+		__set_bit(14, &rbase);
+	} else {
+		__clear_bit(14, &wbase);
+		__clear_bit(14, &rbase);
+	}
+	this->IO_ADDR_W = (void *)wbase;
+	this->IO_ADDR_R = (void *)rbase;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	davinci_nand_init(nand);
+	nand->select_chip = nand_dm365evm_select_chip;
+	return 0;
+}
+#endif
diff --git a/include/configs/davinci_dm365evm.h b/include/configs/davinci_dm365evm.h
new file mode 100644
index 0000000..47cb554
--- /dev/null
+++ b/include/configs/davinci_dm365evm.h
@@ -0,0 +1,182 @@
+/*
+ *
+ * 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 __CONFIG_H
+#define __CONFIG_H
+#include <asm/sizes.h>
+
+/* Spectrum Digital TMS320DM365 EVM board */
+#define DAVINCI_DM365EVM
+
+#define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is a 3rd stage loader */
+#define CONFIG_SKIP_RELOCATE_UBOOT
+#define CONFIG_SYS_NO_FLASH		/* that is, no *NOR* flash */
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
+
+/* SoC Configuration */
+#define CONFIG_ARM926EJS				/* arm926ejs CPU */
+#define CONFIG_SYS_TIMERBASE		0x01c21400	/* use timer 0 */
+#define CONFIG_SYS_HZ_CLOCK		24000000	/* timer0 freq */
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SOC_DM365
+
+/* Memory Info */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM_1			0x80000000
+#define PHYS_SDRAM_1_SIZE		SZ_128M
+
+/* Serial Driver info: UART0 for console  */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4
+#define CONFIG_SYS_NS16550_COM1		0x01c20000
+#define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_HZ_CLOCK
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			115200
+
+/* EEPROM definitions for EEPROM on DM365 EVM */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		2
+#define CONFIG_SYS_I2C_EEPROM_ADDR		0x50
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	20
+
+/* Network Configuration */
+#define CONFIG_DRIVER_TI_EMAC
+#define CONFIG_MII
+#define CONFIG_BOOTP_DEFAULT
+#define CONFIG_BOOTP_DNS
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_NET_RETRY_COUNT	10
+#define CONFIG_NET_MULTI
+
+/* I2C */
+#define CONFIG_HARD_I2C
+#define CONFIG_DRIVER_DAVINCI_I2C
+#define CONFIG_SYS_I2C_SPEED		400000
+#define CONFIG_SYS_I2C_SLAVE		0x10	/* SMBus host address */
+
+/* NAND: socketed, two chipselects, normally 2 GBytes */
+#define CONFIG_NAND_DAVINCI
+#define CONFIG_SYS_NAND_HW_ECC
+#define CONFIG_SYS_NAND_USE_FLASH_BBT
+#define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
+#define CONFIG_SYS_NAND_PAGE_2K
+
+#define CONFIG_SYS_NAND_LARGEPAGE
+#define CONFIG_SYS_NAND_BASE_LIST	{ 0x02000000, }
+/* socket has two chipselects, nCE0 gated by address BIT(14) */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_MAX_CHIPS	2
+
+/* U-Boot command configuration */
+#include <config_cmd_default.h>
+
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_FLASH
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_SAVEENV
+
+#ifdef CONFIG_NAND_DAVINCI
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_UBI
+#define CONFIG_RBTREE
+#endif
+
+#define CONFIG_CRC32_VERIFY
+#define CONFIG_MX_CYCLIC
+
+/* U-Boot general configuration */
+#undef CONFIG_USE_IRQ				/* No IRQ/FIQ in U-Boot */
+#define CONFIG_BOOTFILE		"uImage"	/* Boot file name */
+#define CONFIG_SYS_PROMPT	"DM365 EVM # "	/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size  */
+#define CONFIG_SYS_PBSIZE			/* Print buffer size */ \
+		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS	16		/* max number of command args */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_SYS_LONGHELP
+
+#ifdef CONFIG_NAND_DAVINCI
+#define CONFIG_ENV_SIZE		SZ_256K
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET	0x3C0000
+#undef CONFIG_ENV_IS_IN_FLASH
+#endif
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTCOMMAND \
+		"dhcp;bootm"
+#define CONFIG_BOOTARGS \
+		"console=ttyS0,115200n8 " \
+		"root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_TIMESTAMP
+
+/* U-Boot memory configuration */
+#define CONFIG_STACKSIZE		SZ_256K		/* regular stack */
+#define CONFIG_SYS_MALLOC_LEN		SZ_1M	/* malloc() arena */
+#define CONFIG_SYS_GBL_DATA_SIZE	128		/* for initial data */
+#define CONFIG_SYS_MEMTEST_START	0x87000000	/* physical address */
+#define CONFIG_SYS_MEMTEST_END		0x88000000	/* test 16MB RAM */
+
+/* Linux interfacing */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_SYS_BARGSIZE	1024			/* bootarg Size */
+#define CONFIG_SYS_LOAD_ADDR	0x80700000		/* kernel address */
+
+
+/* NAND configuration issocketed with two chipselects just like the DM355 EVM.
+ * It normally comes with a 2GByte SLC part with 2KB pages
+ * (and 128KB erase blocks); other
+ * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC.  (MLC
+ * pretty much demands the 4-bit ECC support.)  You can of course swap in
+ * other parts, including small page ones.
+ */
+#define MTDIDS_DEFAULT		"nand0=davinci_nand.0"
+
+#ifdef CONFIG_SYS_NAND_LARGEPAGE
+/*  Use same layout for 128K/256K blocks; allow some bad blocks */
+#define PART_BOOT		"2m(bootloader)ro,"
+#else
+/* Assume 16K erase blocks; allow a few bad ones. */
+#define PART_BOOT		"512k(bootloader)ro,"
+#endif
+
+#define PART_KERNEL		"4m(kernel),"	/* kernel + initramfs */
+#define PART_REST		"-(filesystem)"
+
+#define MTDPARTS_DEFAULT	\
+	"mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
+
+#endif /* __CONFIG_H */