1/* 2 * linux/arch/arm/mach-mx1/mach-scb9328.c 3 * 4 * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> 5 * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 */ 12 13#include <linux/platform_device.h> 14#include <linux/mtd/physmap.h> 15#include <linux/interrupt.h> 16#include <linux/dm9000.h> 17#include <linux/gpio.h> 18 19#include <asm/mach-types.h> 20#include <asm/mach/arch.h> 21#include <asm/mach/time.h> 22 23#include "common.h" 24#include "devices-imx1.h" 25#include "hardware.h" 26#include "iomux-mx1.h" 27 28/* 29 * This scb9328 has a 32MiB flash 30 */ 31static struct resource flash_resource = { 32 .start = MX1_CS0_PHYS, 33 .end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1, 34 .flags = IORESOURCE_MEM, 35}; 36 37static struct physmap_flash_data scb_flash_data = { 38 .width = 2, 39}; 40 41static struct platform_device scb_flash_device = { 42 .name = "physmap-flash", 43 .id = 0, 44 .dev = { 45 .platform_data = &scb_flash_data, 46 }, 47 .resource = &flash_resource, 48 .num_resources = 1, 49}; 50 51/* 52 * scb9328 has a DM9000 network controller 53 * connected to CS5, with 16 bit data path 54 * and interrupt connected to GPIO 3 55 */ 56 57/* 58 * internal datapath is fixed 16 bit 59 */ 60static struct dm9000_plat_data dm9000_platdata = { 61 .flags = DM9000_PLATF_16BITONLY, 62}; 63 64/* 65 * the DM9000 drivers wants two defined address spaces 66 * to gain access to address latch registers and the data path. 67 */ 68static struct resource dm9000x_resources[] = { 69 { 70 .name = "address area", 71 .start = MX1_CS5_PHYS, 72 .end = MX1_CS5_PHYS + 1, 73 .flags = IORESOURCE_MEM, /* address access */ 74 }, { 75 .name = "data area", 76 .start = MX1_CS5_PHYS + 4, 77 .end = MX1_CS5_PHYS + 5, 78 .flags = IORESOURCE_MEM, /* data access */ 79 }, { 80 /* irq number is run-time assigned */ 81 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, 82 }, 83}; 84 85static struct platform_device dm9000x_device = { 86 .name = "dm9000", 87 .id = 0, 88 .num_resources = ARRAY_SIZE(dm9000x_resources), 89 .resource = dm9000x_resources, 90 .dev = { 91 .platform_data = &dm9000_platdata, 92 } 93}; 94 95static const int mxc_uart1_pins[] = { 96 PC9_PF_UART1_CTS, 97 PC10_PF_UART1_RTS, 98 PC11_PF_UART1_TXD, 99 PC12_PF_UART1_RXD, 100}; 101 102static const struct imxuart_platform_data uart_pdata __initconst = { 103 .flags = IMXUART_HAVE_RTSCTS, 104}; 105 106static struct platform_device *devices[] __initdata = { 107 &scb_flash_device, 108 &dm9000x_device, 109}; 110 111/* 112 * scb9328_init - Init the CPU card itself 113 */ 114static void __init scb9328_init(void) 115{ 116 imx1_soc_init(); 117 118 mxc_gpio_setup_multiple_pins(mxc_uart1_pins, 119 ARRAY_SIZE(mxc_uart1_pins), "UART1"); 120 121 imx1_add_imx_uart0(&uart_pdata); 122 123 printk(KERN_INFO"Scb9328: Adding devices\n"); 124 dm9000x_resources[2].start = gpio_to_irq(IMX_GPIO_NR(3, 3)); 125 dm9000x_resources[2].end = gpio_to_irq(IMX_GPIO_NR(3, 3)); 126 platform_add_devices(devices, ARRAY_SIZE(devices)); 127} 128 129static void __init scb9328_timer_init(void) 130{ 131 mx1_clocks_init(32000); 132} 133 134MACHINE_START(SCB9328, "Synertronixx scb9328") 135 /* Sascha Hauer */ 136 .atag_offset = 100, 137 .map_io = mx1_map_io, 138 .init_early = imx1_init_early, 139 .init_irq = mx1_init_irq, 140 .init_time = scb9328_timer_init, 141 .init_machine = scb9328_init, 142 .restart = mxc_restart, 143MACHINE_END 144