diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 141 |
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 + |