ARM: OMAP3: Add basic board support for OMAP LDP

This adds minimal board support for the OMAP3430 LDP development platform.

Signed-off-by: Nishant Kamat <nskamat@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

5 files changed, 131 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index aef043b87b4..4832fcc7d04 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -48,6 +48,10 @@ config MACH_OMAP3_BEAGLE
 	bool "OMAP3 BEAGLE board"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
 
+config MACH_OMAP_LDP
+	bool "OMAP3 LDP board"
+	depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
 config MACH_OVERO
 	bool "Gumstix Overo board"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index feb9caf771d..c69392372c9 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -30,5 +30,6 @@ obj-$(CONFIG_MACH_OMAP_H4)		+= board-h4.o
 obj-$(CONFIG_MACH_OMAP_2430SDP)		+= board-2430sdp.o
 obj-$(CONFIG_MACH_OMAP_APOLLON)		+= board-apollon.o
 obj-$(CONFIG_MACH_OMAP3_BEAGLE)		+= board-omap3beagle.o
+obj-$(CONFIG_MACH_OMAP_LDP)		+= board-ldp.o
 obj-$(CONFIG_MACH_OVERO)		+= board-overo.o
 
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
new file mode 100644
index 00000000000..1ea59986aa7
--- /dev/null
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -0,0 +1,86 @@
+/*
+ * linux/arch/arm/mach-omap2/board-ldp.c
+ *
+ * Copyright (C) 2008 Texas Instruments Inc.
+ * Nishant Kamat <nskamat@ti.com>
+ *
+ * Modified from mach-omap2/board-3430sdp.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/board-ldp.h>
+#include <mach/mcspi.h>
+#include <mach/gpio.h>
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+
+#include <asm/io.h>
+#include <asm/delay.h>
+#include <mach/control.h>
+
+static void __init omap_ldp_init_irq(void)
+{
+	omap2_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+}
+
+static struct omap_uart_config ldp_uart_config __initdata = {
+	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_board_config_kernel ldp_config[] __initdata = {
+	{ OMAP_TAG_UART,	&ldp_uart_config },
+};
+
+static int __init omap_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 2600, NULL, 0);
+	omap_register_i2c_bus(2, 400, NULL, 0);
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	return 0;
+}
+
+static void __init omap_ldp_init(void)
+{
+	omap_i2c_init();
+	omap_board_config = ldp_config;
+	omap_board_config_size = ARRAY_SIZE(ldp_config);
+	omap_serial_init();
+}
+
+static void __init omap_ldp_map_io(void)
+{
+	omap2_set_globals_343x();
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_LDP, "OMAP LDP board")
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap_ldp_map_io,
+	.init_irq	= omap_ldp_init_irq,
+	.init_machine	= omap_ldp_init,
+	.timer		= &omap_timer,
+MACHINE_END
diff --git a/arch/arm/plat-omap/include/mach/board-ldp.h b/arch/arm/plat-omap/include/mach/board-ldp.h
new file mode 100644
index 00000000000..66e2746c04c
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/board-ldp.h
@@ -0,0 +1,36 @@
+/*
+ * arch/arm/plat-omap/include/mach/board-ldp.h
+ *
+ * Hardware definitions for TI OMAP3 LDP.
+ *
+ * Copyright (C) 2008 Texas Instruments Inc.
+ *
+ * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_OMAP_LDP_H
+#define __ASM_ARCH_OMAP_LDP_H
+
+extern void twl4030_bci_battery_init(void);
+
+#define TWL4030_IRQNUM		INT_34XX_SYS_NIRQ
+
+#endif /* __ASM_ARCH_OMAP_LDP_H */
diff --git a/arch/arm/plat-omap/include/mach/hardware.h b/arch/arm/plat-omap/include/mach/hardware.h
index 80f6d7ec53e..6589ddbb63b 100644
--- a/arch/arm/plat-omap/include/mach/hardware.h
+++ b/arch/arm/plat-omap/include/mach/hardware.h
@@ -326,6 +326,10 @@
 #include "board-omap3beagle.h"
 #endif
 
+#ifdef CONFIG_MACH_OMAP_LDP
+#include "board-ldp.h"
+#endif
+
 #ifdef CONFIG_MACH_OMAP_APOLLON
 #include "board-apollon.h"
 #endif