[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>

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index dc96ddedc2f2584b5630ebb9845296d8429f5095..e79659e8176ee76c0525123b27cf5b8993d5ae9f 100644 (file)
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -28,5 +28,12 @@ config MACH_MX31_3DS
          Include support for MX31PDK (3DS) platform. This includes specific
          configurations for the board and its peripherals.
 
+config MACH_MX31MOBOARD
+       bool "Support mx31moboard platforms (EPFL Mobots group)"
+       default n
+       help
+         Include support for mx31moboard platform. This includes specific
+         configurations for the board and its peripherals.
+
 endmenu
 

diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index 10a0886b32ceaf5cfdcd142f3858eddbd81ebf0c..5a151540fe836ebeaa233ce873240dabc79aa243 100644 (file)
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_MACH_MX31ADS)      += mx31ads.o
 obj-$(CONFIG_MACH_MX31LITE)    += mx31lite.o
 obj-$(CONFIG_MACH_PCM037)      += pcm037.o
 obj-$(CONFIG_MACH_MX31_3DS)    += mx31pdk.o
+obj-$(CONFIG_MACH_MX31MOBOARD) += mx31moboard.o

diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
new file mode 100644 (file)
index 0000000..c29098a
--- /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
+