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[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>
This commit is contained in:
Valentin Longchamp
Sascha Hauer
parent
a3cce2a8e2
commit
988d2d49f7
@ -28,5 +28,12 @@ config MACH_MX31_3DS
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Include support for MX31PDK (3DS) platform. This includes specific
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configurations for the board and its peripherals.
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config MACH_MX31MOBOARD
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bool "Support mx31moboard platforms (EPFL Mobots group)"
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default n
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help
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Include support for mx31moboard platform. This includes specific
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configurations for the board and its peripherals.
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endmenu
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@ -9,3 +9,4 @@ obj-$(CONFIG_MACH_MX31ADS) += mx31ads.o
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obj-$(CONFIG_MACH_MX31LITE) += mx31lite.o
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obj-$(CONFIG_MACH_PCM037) += pcm037.o
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obj-$(CONFIG_MACH_MX31_3DS) += mx31pdk.o
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obj-$(CONFIG_MACH_MX31MOBOARD) += mx31moboard.o
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141
arch/arm/mach-mx3/mx31moboard.c
Normal file
141
arch/arm/mach-mx3/mx31moboard.c
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@ -0,0 +1,141 @@
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/*
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* Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/partitions.h>
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#include <linux/memory.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/imx-uart.h>
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#include <mach/iomux-mx3.h>
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#include "devices.h"
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static struct physmap_flash_data mx31moboard_flash_data = {
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.width = 2,
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};
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static struct resource mx31moboard_flash_resource = {
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.start = 0xa0000000,
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.end = 0xa1ffffff,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device mx31moboard_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &mx31moboard_flash_data,
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},
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.resource = &mx31moboard_flash_resource,
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.num_resources = 1,
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};
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct platform_device *devices[] __initdata = {
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&mx31moboard_flash,
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};
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/*
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* Board specific initialization.
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*/
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static void __init mxc_board_init(void)
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{
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platform_add_devices(devices, ARRAY_SIZE(devices));
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mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
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mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
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mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
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mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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mxc_iomux_mode(MX31_PIN_CTS2__CTS2);
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mxc_iomux_mode(MX31_PIN_RTS2__RTS2);
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mxc_iomux_mode(MX31_PIN_TXD2__TXD2);
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mxc_iomux_mode(MX31_PIN_RXD2__RXD2);
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mxc_register_device(&mxc_uart_device1, &uart_pdata);
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mxc_iomux_mode(MX31_PIN_PC_RST__CTS5);
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mxc_iomux_mode(MX31_PIN_PC_VS2__RTS5);
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mxc_iomux_mode(MX31_PIN_PC_BVD2__TXD5);
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mxc_iomux_mode(MX31_PIN_PC_BVD1__RXD5);
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mxc_register_device(&mxc_uart_device4, &uart_pdata);
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}
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/*
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* This structure defines static mappings for the mx31moboard.
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*/
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static struct map_desc mx31moboard_io_desc[] __initdata = {
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{
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.virtual = AIPS1_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
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.length = AIPS1_SIZE,
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.type = MT_DEVICE_NONSHARED
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}, {
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.virtual = AIPS2_BASE_ADDR_VIRT,
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.pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
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.length = AIPS2_SIZE,
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.type = MT_DEVICE_NONSHARED
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},
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};
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/*
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* Set up static virtual mappings.
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*/
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void __init mx31moboard_map_io(void)
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{
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mxc_map_io();
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iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc));
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}
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static void __init mx31moboard_timer_init(void)
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{
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mxc_clocks_init(26000000);
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mxc_timer_init("ipg_clk.0");
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}
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struct sys_timer mx31moboard_timer = {
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.init = mx31moboard_timer_init,
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};
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MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
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/* Maintainer: Valentin Longchamp, EPFL Mobots group */
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.phys_io = AIPS1_BASE_ADDR,
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.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x100,
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.map_io = mx31moboard_map_io,
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.init_irq = mxc_init_irq,
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.init_machine = mxc_board_init,
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.timer = &mx31moboard_timer,
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MACHINE_END
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