4 files changed, 121 insertions, 27 deletions

diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index 6b9775471be6..ed492d32b664 100644
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -9,7 +9,7 @@ obj-$(CONFIG_ARCH_MX31)		+= clock.o iomux.o
 obj-$(CONFIG_ARCH_MX35)         += clock-imx35.o
 obj-$(CONFIG_MACH_MX31ADS)      += mx31ads.o
 obj-$(CONFIG_MACH_MX31LILLY)    += mx31lilly.o mx31lilly-db.o
-obj-$(CONFIG_MACH_MX31LITE)     += mx31lite.o
+obj-$(CONFIG_MACH_MX31LITE)     += mx31lite.o mx31lite-db.o
 obj-$(CONFIG_MACH_PCM037)       += pcm037.o
 obj-$(CONFIG_MACH_PCM037_EET)   += pcm037_eet.o
 obj-$(CONFIG_MACH_MX31_3DS)     += mx31pdk.o
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
new file mode 100644
index 000000000000..751d15ec0b03
--- /dev/null
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -0,0 +1,71 @@
+/*
+ *  LogicPD i.MX31 SOM-LV development board support
+ *
+ *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ *  based on code for other MX31 boards,
+ *
+ *    Copyright 2005-2007 Freescale Semiconductor
+ *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
+ *    Copyright (C) 2009 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/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx3.h>
+#include <mach/board-mx31lite.h>
+
+#include "devices.h"
+
+/*
+ * This file contains board-specific initialization routines for the
+ * LogicPD i.MX31 SOM-LV development board, aka 'LiteKit'.
+ * If you design an own baseboard for the module, use this file as base
+ * for support code.
+ */
+
+static unsigned int litekit_db_board_pins[] __initdata = {
+        /* UART1 */
+        MX31_PIN_CTS1__CTS1,
+        MX31_PIN_RTS1__RTS1,
+        MX31_PIN_TXD1__TXD1,
+        MX31_PIN_RXD1__RXD1,
+};
+
+/* UART */
+static struct imxuart_platform_data uart_pdata __initdata = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+void __init mx31lite_db_init(void)
+{
+        mxc_iomux_setup_multiple_pins(litekit_db_board_pins,
+                                        ARRAY_SIZE(litekit_db_board_pins),
+                                        "development board pins");
+        mxc_register_device(&mxc_uart_device0, &uart_pdata);
+}
+
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index a8d57decdfdb..dc993a878161 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -42,23 +42,14 @@
 #include "devices.h"
 
 /*
- * This file contains the board-specific initialization routines.
+ * This file contains the module-specific initialization routines.
  */
 
 static unsigned int mx31lite_pins[] = {
-        /* UART1 */
-        MX31_PIN_CTS1__CTS1,
-        MX31_PIN_RTS1__RTS1,
-        MX31_PIN_TXD1__TXD1,
-        MX31_PIN_RXD1__RXD1,
         /* LAN9117 IRQ pin */
         IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
 };
 
-static struct imxuart_platform_data uart_pdata = {
-        .flags = IMXUART_HAVE_RTSCTS,
-};
-
 static struct mxc_nand_platform_data mx31lite_nand_board_info = {
         .width = 1,
         .hw_ecc = 1,
@@ -118,17 +109,27 @@ void __init mx31lite_map_io(void)
         iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
 }
 
-/*
- * Board specific initialization.
- */
+static int mx31lite_baseboard;
+core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444);
+
 static void __init mxc_board_init(void)
 {
         int ret;
 
+        switch (mx31lite_baseboard) {
+        case MX31LITE_NOBOARD:
+                break;
+        case MX31LITE_DB:
+                mx31lite_db_init();
+                break;
+        default:
+                printk(KERN_ERR "Illegal mx31lite_baseboard type %d\n",
+                                mx31lite_baseboard);
+        }
+
         mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
                                       "mx31lite");
 
-        mxc_register_device(&mxc_uart_device0, &uart_pdata);
         mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
 
         /* SMSC9117 IRQ pin */
@@ -150,12 +151,7 @@ struct sys_timer mx31lite_timer = {
         .init   = mx31lite_timer_init,
 };
 
-/*
- * The following uses standard kernel macros defined in arch.h in order to
- * initialize __mach_desc_MX31LITE data structure.
- */
-
-MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
+MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM")
         /* Maintainer: Freescale Semiconductor, Inc. */
         .phys_io        = AIPS1_BASE_ADDR,
         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31lite.h b/arch/arm/plat-mxc/include/mach/board-mx31lite.h
index 8e64325d6905..0184b638c268 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31lite.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31lite.h
@@ -1,15 +1,42 @@
 /*
  * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * Based on code for mobots boards,
+ *   Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
  */
 
+#ifndef __ASM_ARCH_MXC_BOARD_MX31LITE_H__
+#define __ASM_ARCH_MXC_BOARD_MX31LITE_H__
+
+#ifndef __ASSEMBLY__
+
+enum mx31lilly_boards {
+        MX31LITE_NOBOARD        = 0,
+        MX31LITE_DB             = 1,
+};
+
 /*
- * 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.
+ * This CPU module needs a baseboard to work. After basic initializing
+ * its own devices, it calls baseboard's init function.
  */
 
-#ifndef __ASM_ARCH_MXC_BOARD_MX31LITE_H__
-#define __ASM_ARCH_MXC_BOARD_MX31LITE_H__
+extern void mx31lite_db_init(void);
 
-#endif /* __ASM_ARCH_MXC_BOARD_MX31LITE_H__ */
+#endif
 
+#endif /* __ASM_ARCH_MXC_BOARD_MX31LITE_H__ */