TI: TNETV107X EVM initial support

TNETV107X is a Texas Instruments SoC based on an ARM1176 core, and with a
bunch on on-chip integrated peripherals.  This patch adds support for the
TNETV107X EVM board.

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

7 files changed, 379 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a13d28..f902301 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -62,6 +62,10 @@ Oliver Brown <obrown@adventnetworks.com>
 
 	gw8260		MPC8260
 
+Cyril Chemparathy <cyril@ti.com>
+
+	tnetv107x_evm	tnetv107x
+
 Conn Clark <clark@esteem.com>
 
 	ESTEEM192E	MPC8xx
diff --git a/MAKEALL b/MAKEALL
index 2527352..e04fa0c 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -635,6 +635,7 @@ LIST_ARM11="			\
 	mx31pdk_nand		\
 	qong			\
 	smdk6400		\
+	tnetv107x_evm		\
 "
 
 #########################################################################
diff --git a/Makefile b/Makefile
index c26e491..cedac20 100644
--- a/Makefile
+++ b/Makefile
@@ -3324,6 +3324,9 @@ smdk6400_config	:	unconfig
 	fi
 	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 
+tnetv107x_evm_config: unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm1176 tnetv107xevm ti tnetv107x
+
 #========================================================================
 # i386
 #========================================================================
diff --git a/board/ti/tnetv107xevm/Makefile b/board/ti/tnetv107xevm/Makefile
new file mode 100644
index 0000000..2446c2a
--- /dev/null
+++ b/board/ti/tnetv107xevm/Makefile
@@ -0,0 +1,49 @@
+#
+# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS		+= sdb_board.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+.PHONY: all
+
+all: $(LIB)
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak *~ .depend
+
+#########################################################################
+# This is for $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ti/tnetv107xevm/config.mk b/board/ti/tnetv107xevm/config.mk
new file mode 100644
index 0000000..d24d49a
--- /dev/null
+++ b/board/ti/tnetv107xevm/config.mk
@@ -0,0 +1,20 @@
+#
+# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+TEXT_BASE = 0x83FC0000
diff --git a/board/ti/tnetv107xevm/sdb_board.c b/board/ti/tnetv107xevm/sdb_board.c
new file mode 100644
index 0000000..3ed1cfd
--- /dev/null
+++ b/board/ti/tnetv107xevm/sdb_board.c
@@ -0,0 +1,149 @@
+/*
+ * TNETV107X-EVM: Board initialization
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <linux/mtd/nand.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clock.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/arch/nand_defs.h>
+#include <asm/arch/mux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = {
+	{			/* CS0 */
+		.mode		= ASYNC_EMIF_MODE_NAND,
+		.wr_setup	= 5,
+		.wr_strobe	= 5,
+		.wr_hold	= 2,
+		.rd_setup	= 5,
+		.rd_strobe	= 5,
+		.rd_hold	= 2,
+		.turn_around	= 5,
+		.width		= ASYNC_EMIF_8,
+	},
+	{			/* CS1 */
+		.mode		= ASYNC_EMIF_MODE_NOR,
+		.wr_setup	= 2,
+		.wr_strobe	= 27,
+		.wr_hold	= 4,
+		.rd_setup	= 2,
+		.rd_strobe	= 27,
+		.rd_hold	= 4,
+		.turn_around	= 2,
+		.width		= ASYNC_EMIF_PRESERVE,
+	},
+	{			/* CS2 */
+		.mode		= ASYNC_EMIF_MODE_NOR,
+		.wr_setup	= 2,
+		.wr_strobe	= 27,
+		.wr_hold	= 4,
+		.rd_setup	= 2,
+		.rd_strobe	= 27,
+		.rd_hold	= 4,
+		.turn_around	= 2,
+		.width		= ASYNC_EMIF_PRESERVE,
+	},
+	{			/* CS3 */
+		.mode		= ASYNC_EMIF_MODE_NOR,
+		.wr_setup	= 1,
+		.wr_strobe	= 90,
+		.wr_hold	= 3,
+		.rd_setup	= 1,
+		.rd_strobe	= 26,
+		.rd_hold	= 3,
+		.turn_around	= 1,
+		.width		= ASYNC_EMIF_8,
+	},
+};
+
+static struct pll_init_data pll_config[] = {
+	{
+		.pll			= ETH_PLL,
+		.internal_osc		= 1,
+		.pll_freq		= 500000000,
+		.div_freq = {
+			5000000, 50000000, 125000000, 250000000, 25000000,
+		},
+	},
+};
+
+static const short sdio1_pins[] = {
+	TNETV107X_PIN_SDIO1_CLK_1,	TNETV107X_PIN_SDIO1_CMD_1,
+	TNETV107X_PIN_SDIO1_DATA0_1,	TNETV107X_PIN_SDIO1_DATA1_1,
+	TNETV107X_PIN_SDIO1_DATA2_1,	TNETV107X_PIN_SDIO1_DATA3_1,
+	-1
+};
+
+static const short uart1_pins[] = {
+	TNETV107X_PIN_UART1_RD, TNETV107X_PIN_UART1_TD, -1
+};
+
+static const short ssp_pins[] = {
+	TNETV107X_PIN_SSP0_0, TNETV107X_PIN_SSP0_1, TNETV107X_PIN_SSP0_2,
+	TNETV107X_PIN_SSP1_0, TNETV107X_PIN_SSP1_1, TNETV107X_PIN_SSP1_2,
+	TNETV107X_PIN_SSP1_3, -1
+};
+
+int board_init(void)
+{
+#ifndef CONFIG_USE_IRQ
+	__raw_writel(0, INTC_GLB_EN);		/* Global disable       */
+	__raw_writel(0, INTC_HINT_EN);		/* Disable host ints    */
+	__raw_writel(0, INTC_EN_CLR0 + 0);	/* Clear enable         */
+	__raw_writel(0, INTC_EN_CLR0 + 4);	/* Clear enable         */
+	__raw_writel(0, INTC_EN_CLR0 + 8);	/* Clear enable         */
+#endif
+
+	gd->bd->bi_arch_number = MACH_TYPE_TNETV107X;
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	init_plls(ARRAY_SIZE(pll_config), pll_config);
+
+	init_async_emif(ARRAY_SIZE(async_emif_config), async_emif_config);
+
+	mux_select_pin(TNETV107X_PIN_ASR_CS3);
+	mux_select_pins(sdio1_pins);
+	mux_select_pins(uart1_pins);
+	mux_select_pins(ssp_pins);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+#ifdef CONFIG_NAND_DAVINCI
+int board_nand_init(struct nand_chip *nand)
+{
+	davinci_nand_init(nand);
+
+	return 0;
+}
+#endif
diff --git a/include/configs/tnetv107x_evm.h b/include/configs/tnetv107x_evm.h
new file mode 100644
index 0000000..454e9b2
--- /dev/null
+++ b/include/configs/tnetv107x_evm.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2008 Texas Instruments, Inc <www.ti.com>
+ *
+ * Based on davinci_dvevm.h. Original Copyrights follow:
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * 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>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clock.h>
+
+/* Architecture, CPU, etc */
+#define CONFIG_ARM1176
+#define CONFIG_TNETV107X
+#define CONFIG_TNETV107X_EVM
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_SYS_UBOOT_BASE		TEXT_BASE
+#define CONFIG_DISABLE_TCM
+#define CONFIG_PERIPORT_REMAP
+#define CONFIG_PERIPORT_BASE		0x2000000
+#define CONFIG_PERIPORT_SIZE		0x10
+#define CONFIG_SYS_CLK_FREQ		clk_get_rate(TNETV107X_LPSC_ARM)
+
+#define CONFIG_SYS_TIMERBASE		TNETV107X_TIMER0_BASE
+#define CONFIG_SYS_HZ_CLOCK		clk_get_rate(TNETV107X_LPSC_TIMER0)
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_PLL_SYS_EXT_FREQ		25000000
+#define CONFIG_PLL_TDM_EXT_FREQ		19200000
+#define CONFIG_PLL_ETH_EXT_FREQ		25000000
+
+/* Memory Info */
+#define CONFIG_SYS_MALLOC_LEN		(0x10000 + 1*1024*1024)
+#define CONFIG_SYS_GBL_DATA_SIZE	128
+#define PHYS_SDRAM_1			TNETV107X_DDR_EMIF_DATA_BASE
+#define PHYS_SDRAM_1_SIZE		0x04000000
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1 + 16*1024*1024)
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_STACKSIZE		(256*1024)
+
+/* Serial Driver Info */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4
+#define CONFIG_SYS_NS16550_COM1		TNETV107X_UART1_BASE
+#define CONFIG_SYS_NS16550_CLK		clk_get_rate(TNETV107X_LPSC_UART1)
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/* Flash and environment info */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_NAND_DAVINCI
+#define CONFIG_ENV_SIZE			(SZ_128K)
+#define CONFIG_SYS_NAND_HW_ECC
+#define CONFIG_SYS_NAND_1BIT_ECC
+#define CONFIG_SYS_NAND_CS		2
+#define CONFIG_SYS_NAND_USE_FLASH_BBT
+#define CONFIG_SYS_NAND_BASE		TNETV107X_ASYNC_EMIF_DATA_CE0_BASE
+#define CONFIG_SYS_CLE_MASK		0x10
+#define CONFIG_SYS_ALE_MASK		0x8
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_JFFS2_NAND
+#define NAND_MAX_CHIPS			1
+#define CONFIG_ENV_OFFSET		0x180000
+#define DEF_BOOTM			""
+
+/*
+ * davinci_nand is a bit of a misnomer since this particular EMIF block is
+ * commonly used across multiple TI devices.  Unfortunately, this misnomer
+ * (amongst others) carries forward into the kernel too.  Consequently, if we
+ * use a different device name here, the mtdparts variable won't be usable as
+ * a kernel command-line argument.
+ */
+#define MTDIDS_DEFAULT			"nand0=davinci_nand.0"
+#define MTDPARTS_DEFAULT		"mtdparts=davinci_nand.0:"	\
+						"1536k(uboot)ro,"	\
+						"128k(params)ro,"	\
+						"4m(kernel),"		\
+						"-(filesystem)"
+
+/* General U-Boot configuration */
+#define CONFIG_BOOTFILE			"uImage"
+#define CONFIG_SYS_PROMPT		"U-Boot > "
+#define CONFIG_SYS_CBSIZE		1024
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CRC32_VERIFY
+#define CONFIG_MX_CYCLIC
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
+					 sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_MEMTEST_START +	\
+					 0x700000)
+#define LINUX_BOOT_PARAM_ADDR		(CONFIG_SYS_MEMTEST_START + 0x100)
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_BOOTARGS			"mem=32M console=ttyS1,115200n8 " \
+					"root=/dev/mmcblk0p1 rw noinitrd"
+#define CONFIG_BOOTCOMMAND		""
+#define CONFIG_BOOTDELAY		1
+
+#define CONFIG_CMD_BDI
+#define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_CONSOLE
+#define CONFIG_CMD_ECHO
+#define CONFIG_CMD_EDITENV
+#define CONFIG_CMD_IMI
+#define CONFIG_CMD_ITEST
+#define CONFIG_CMD_LOADB
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_RUN
+#define CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_SOURCE
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_JFFS2
+
+#endif /* __CONFIG_H */