[ARM] MX31: basic support for mx31moboard platform

Initial support for mx31moboard platfor with 3 serial ports
and NOR Flash

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 141 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
new file mode 100644
index 000000000000..c29098af7394
--- /dev/null
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -0,0 +1,141 @@
+/*
+ *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
+ *
+ * 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 <linux/types.h>
+#include <linux/init.h>
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+#include <linux/memory.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <mach/common.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx3.h>
+
+#include "devices.h"
+
+static struct physmap_flash_data mx31moboard_flash_data = {
+	.width  	= 2,
+};
+
+static struct resource mx31moboard_flash_resource = {
+	.start	= 0xa0000000,
+	.end	= 0xa1ffffff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct platform_device mx31moboard_flash = {
+	.name	= "physmap-flash",
+	.id	= 0,
+	.dev	= {
+		.platform_data  = &mx31moboard_flash_data,
+	},
+	.resource = &mx31moboard_flash_resource,
+	.num_resources = 1,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&mx31moboard_flash,
+};
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
+	mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
+	mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
+	mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
+
+	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+
+	mxc_iomux_mode(MX31_PIN_CTS2__CTS2);
+	mxc_iomux_mode(MX31_PIN_RTS2__RTS2);
+	mxc_iomux_mode(MX31_PIN_TXD2__TXD2);
+	mxc_iomux_mode(MX31_PIN_RXD2__RXD2);
+
+	mxc_register_device(&mxc_uart_device1, &uart_pdata);
+
+	mxc_iomux_mode(MX31_PIN_PC_RST__CTS5);
+	mxc_iomux_mode(MX31_PIN_PC_VS2__RTS5);
+	mxc_iomux_mode(MX31_PIN_PC_BVD2__TXD5);
+	mxc_iomux_mode(MX31_PIN_PC_BVD1__RXD5);
+
+	mxc_register_device(&mxc_uart_device4, &uart_pdata);
+}
+
+/*
+ * This structure defines static mappings for the mx31moboard.
+ */
+static struct map_desc mx31moboard_io_desc[] __initdata = {
+	{
+		.virtual	= AIPS1_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),
+		.length		= AIPS1_SIZE,
+		.type		= MT_DEVICE_NONSHARED
+	}, {
+		.virtual	= AIPS2_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),
+		.length		= AIPS2_SIZE,
+		.type		= MT_DEVICE_NONSHARED
+	},
+};
+
+/*
+ * Set up static virtual mappings.
+ */
+void __init mx31moboard_map_io(void)
+{
+	mxc_map_io();
+	iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc));
+}
+
+static void __init mx31moboard_timer_init(void)
+{
+	mxc_clocks_init(26000000);
+	mxc_timer_init("ipg_clk.0");
+}
+
+struct sys_timer mx31moboard_timer = {
+	.init	= mx31moboard_timer_init,
+};
+
+MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
+	/* Maintainer: Valentin Longchamp, EPFL Mobots group */
+	.phys_io	= AIPS1_BASE_ADDR,
+	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = PHYS_OFFSET + 0x100,
+	.map_io         = mx31moboard_map_io,
+	.init_irq       = mxc_init_irq,
+	.init_machine   = mxc_board_init,
+	.timer          = &mx31moboard_timer,
+MACHINE_END
+