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>

3 files changed, 218 insertions, 0 deletions

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