/* * linux/arch/arm/mach-mx1/mach-scb9328.c * * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> * * 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. * */ #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/interrupt.h> #include <linux/dm9000.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <mach/common.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/imx-uart.h> #include <mach/iomux-mx1.h> #include "devices.h" /* * This scb9328 has a 32MiB flash */ static struct resource flash_resource = { .start = IMX_CS0_PHYS, .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1, .flags = IORESOURCE_MEM, }; static struct physmap_flash_data scb_flash_data = { .width = 2, }; static struct platform_device scb_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &scb_flash_data, }, .resource = &flash_resource, .num_resources = 1, }; /* * scb9328 has a DM9000 network controller * connected to CS5, with 16 bit data path * and interrupt connected to GPIO 3 */ /* * internal datapath is fixed 16 bit */ static struct dm9000_plat_data dm9000_platdata = { .flags = DM9000_PLATF_16BITONLY, }; /* * the DM9000 drivers wants two defined address spaces * to gain access to address latch registers and the data path. */ static struct resource dm9000x_resources[] = { { .name = "address area", .start = IMX_CS5_PHYS, .end = IMX_CS5_PHYS + 1, .flags = IORESOURCE_MEM, /* address access */ }, { .name = "data area", .start = IMX_CS5_PHYS + 4, .end = IMX_CS5_PHYS + 5, .flags = IORESOURCE_MEM, /* data access */ }, { .start = IRQ_GPIOC(3), .end = IRQ_GPIOC(3), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, }, }; static struct platform_device dm9000x_device = { .name = "dm9000", .id = 0, .num_resources = ARRAY_SIZE(dm9000x_resources), .resource = dm9000x_resources, .dev = { .platform_data = &dm9000_platdata, } }; static int mxc_uart1_pins[] = { PC9_PF_UART1_CTS, PC10_PF_UART1_RTS, PC11_PF_UART1_TXD, PC12_PF_UART1_RXD, }; static int uart1_mxc_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins), "UART1"); } static int uart1_mxc_exit(struct platform_device *pdev) { mxc_gpio_release_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins)); return 0; } static struct imxuart_platform_data uart_pdata = { .init = uart1_mxc_init, .exit = uart1_mxc_exit, .flags = IMXUART_HAVE_RTSCTS, }; static struct platform_device *devices[] __initdata = { &scb_flash_device, &dm9000x_device, }; /* * scb9328_init - Init the CPU card itself */ static void __init scb9328_init(void) { mxc_register_device(&imx_uart1_device, &uart_pdata); printk(KERN_INFO"Scb9328: Adding devices\n"); platform_add_devices(devices, ARRAY_SIZE(devices)); } static void __init scb9328_timer_init(void) { mx1_clocks_init(32000); } static struct sys_timer scb9328_timer = { .init = scb9328_timer_init, }; MACHINE_START(SCB9328, "Synertronixx scb9328") /* Sascha Hauer */ .phys_io = 0x00200000, .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, .boot_params = 0x08000100, .map_io = mx1_map_io, .init_irq = mx1_init_irq, .timer = &scb9328_timer, .init_machine = scb9328_init, MACHINE_END