TI: DaVinci: DM355 Leopard board support

This patch adds support for the leopard board which is
based on the DM355 SOC.

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

7 files changed, 322 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 0a63066a61..ec6910f22d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -614,6 +614,7 @@ Sergey Kubushyn <ksi@koi8.net>
 
 Sandeep Paulraj <s-paulraj@ti.com>
 
+	davinci_dm355leopard	ARM926EJS
 	davinci_dm6467evm	ARM926EJS
 
 Prakash Kumar <prakash@embedx.com>
diff --git a/MAKEALL b/MAKEALL
index 1ec97af246..1b98b92408 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -567,6 +567,7 @@ LIST_ARM9="			\
 	davinci_sffsdr		\
 	davinci_sonata		\
 	davinci_dm355evm	\
+	davinci_dm355leopard	\
 	davinci_dm6467evm	\
 "
 
diff --git a/Makefile b/Makefile
index 53863cecfe..a9489644f4 100644
--- a/Makefile
+++ b/Makefile
@@ -2927,6 +2927,9 @@ davinci_sonata_config :	unconfig
 davinci_dm355evm_config :	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm355evm davinci davinci
 
+davinci_dm355leopard_config :	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm355leopard davinci davinci
+
 davinci_dm365evm_config :	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm365evm davinci davinci
 
diff --git a/board/davinci/dm355leopard/Makefile b/board/davinci/dm355leopard/Makefile
new file mode 100644
index 0000000000..26b0705465
--- /dev/null
+++ b/board/davinci/dm355leopard/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/dm355leopard/config.mk b/board/davinci/dm355leopard/config.mk
new file mode 100644
index 0000000000..d67df02ccf
--- /dev/null
+++ b/board/davinci/dm355leopard/config.mk
@@ -0,0 +1,6 @@
+# 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/dm355leopard/dm355leopard.c b/board/davinci/dm355leopard/dm355leopard.c
new file mode 100644
index 0000000000..7350e8d083
--- /dev/null
+++ b/board/davinci/dm355leopard/dm355leopard.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * 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 <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/gpio_defs.h>
+#include "../common/misc.h"
+#include <net.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	struct davinci_gpio *gpio01_base =
+			(struct davinci_gpio *)DAVINCI_GPIO_BANK01;
+	struct davinci_gpio *gpio23_base =
+			(struct davinci_gpio *)DAVINCI_GPIO_BANK23;
+	struct davinci_gpio *gpio67_base =
+			(struct davinci_gpio *)DAVINCI_GPIO_BANK67;
+
+	gd->bd->bi_arch_number = MACH_TYPE_DM355_LEOPARD;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	/* GIO 9 & 10 are used for IO */
+	writel((readl(PINMUX3) & 0XF8FFFFFF), PINMUX3);
+
+	/* Interrupt set GIO 9 */
+	writel((readl(DAVINCI_GPIO_BINTEN) | 0x1), DAVINCI_GPIO_BINTEN);
+
+	/* set GIO 9 input */
+	writel((readl(&gpio01_base->dir) | (1 << 9)), &gpio01_base->dir);
+
+	/* Both edge trigger GIO 9 */
+	writel((readl(&gpio01_base->set_rising) | (1 << 9)),
+						&gpio01_base->set_rising);
+	writel((readl(&gpio01_base->dir) & ~(1 << 5)), &gpio01_base->dir);
+
+	/* output low */
+	writel((readl(&gpio01_base->set_data) & ~(1 << 5)),
+						&gpio01_base->set_data);
+
+	/* set GIO 10 output */
+	writel((readl(&gpio01_base->dir) & ~(1 << 10)), &gpio01_base->dir);
+
+	/* output high */
+	writel((readl(&gpio01_base->set_data) | (1 << 10)),
+						&gpio01_base->set_data);
+
+	/* set GIO 32 output */
+	writel((readl(&gpio23_base->dir) & ~(1 << 0)), &gpio23_base->dir);
+
+	/* output High */
+	writel((readl(&gpio23_base->set_data) | (1 << 0)),
+						&gpio23_base->set_data);
+
+	/* Enable UART1 MUX Lines */
+	writel((readl(PINMUX0) & ~3), PINMUX0);
+	writel((readl(&gpio67_base->dir) & ~(1 << 6)), &gpio67_base->dir);
+	writel((readl(&gpio67_base->set_data) | (1 << 6)),
+						&gpio67_base->set_data);
+
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_DM9000
+int board_eth_init(bd_t *bis)
+{
+	return dm9000_initialize(bis);
+}
+#endif
+
+#ifdef CONFIG_NAND_DAVINCI
+int board_nand_init(struct nand_chip *nand)
+{
+	davinci_nand_init(nand);
+
+	return 0;
+}
+#endif
diff --git a/include/configs/davinci_dm355leopard.h b/include/configs/davinci_dm355leopard.h
new file mode 100644
index 0000000000..5db720e9d6
--- /dev/null
+++ b/include/configs/davinci_dm355leopard.h
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * 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
+
+#define DAVINCI_DM355LEOPARD
+
+#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
+#define CONFIG_DISPLAY_CPUINFO
+
+/* 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_DM355				/* DM355 based board */
+
+/* Memory Info */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM_1			0x80000000
+#define PHYS_SDRAM_1_SIZE		(128 << 20)	/* 128 MiB */
+
+/* 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
+
+/* Ethernet:  external DM9000 */
+#define CONFIG_DRIVER_DM9000		1
+#define CONFIG_DM9000_BASE		0x04000000
+#define DM9000_IO			CONFIG_DM9000_BASE
+#define DM9000_DATA			(CONFIG_DM9000_BASE + 16)
+#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
+
+/* NAND */
+#define CONFIG_NAND_DAVINCI
+#define CONFIG_SYS_NAND_USE_FLASH_BBT
+#define CONFIG_SYS_NAND_HW_ECC
+
+#define CONFIG_SYS_NAND_BASE_LIST	{ 0x02000000, }
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_MAX_CHIPS	1
+
+/* 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
+
+#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	"DM355 LEOPARD # "
+#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		(256 << 10)	/* 256 KiB */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET	0x3C0000
+#define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
+#undef CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_OVERWRITE
+#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
+
+#define CONFIG_NET_RETRY_COUNT 10
+
+/* U-Boot memory configuration */
+#define CONFIG_STACKSIZE		(256 << 10)	/* 256 KiB */
+#define CONFIG_SYS_MALLOC_LEN		(1 << 20)	/* 1 MiB */
+#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 */
+
+#define MTDIDS_DEFAULT		"nand0=davinci_nand.0"
+
+#ifdef CONFIG_SYS_NAND_LARGEPAGE
+#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 */