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 18#include <asm/mach-types.h> 19#include <asm/mach/arch.h> 20#include <asm/mach/time.h> 21 22#include <mach/common.h> 23#include <mach/hardware.h> 24#include <mach/irqs.h> 25#include <mach/iomux-mx1.h> 26 27#include "devices-imx1.h" 28#include "devices.h" 29 30/* 31 * This scb9328 has a 32MiB flash 32 */ 33static struct resource flash_resource = { 34 .start = MX1_CS0_PHYS, 35 .end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1, 36 .flags = IORESOURCE_MEM, 37}; 38 39static struct physmap_flash_data scb_flash_data = { 40 .width = 2, 41}; 42 43static struct platform_device scb_flash_device = { 44 .name = "physmap-flash", 45 .id = 0, 46 .dev = { 47 .platform_data = &scb_flash_data, 48 }, 49 .resource = &flash_resource, 50 .num_resources = 1, 51}; 52 53/* 54 * scb9328 has a DM9000 network controller 55 * connected to CS5, with 16 bit data path 56 * and interrupt connected to GPIO 3 57 */ 58 59/* 60 * internal datapath is fixed 16 bit 61 */ 62static struct dm9000_plat_data dm9000_platdata = { 63 .flags = DM9000_PLATF_16BITONLY, 64}; 65 66/* 67 * the DM9000 drivers wants two defined address spaces 68 * to gain access to address latch registers and the data path. 69 */ 70static struct resource dm9000x_resources[] = { 71 { 72 .name = "address area", 73 .start = MX1_CS5_PHYS, 74 .end = MX1_CS5_PHYS + 1, 75 .flags = IORESOURCE_MEM, /* address access */ 76 }, { 77 .name = "data area", 78 .start = MX1_CS5_PHYS + 4, 79 .end = MX1_CS5_PHYS + 5, 80 .flags = IORESOURCE_MEM, /* data access */ 81 }, { 82 .start = IRQ_GPIOC(3), 83 .end = IRQ_GPIOC(3), 84 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, 85 }, 86}; 87 88static struct platform_device dm9000x_device = { 89 .name = "dm9000", 90 .id = 0, 91 .num_resources = ARRAY_SIZE(dm9000x_resources), 92 .resource = dm9000x_resources, 93 .dev = { 94 .platform_data = &dm9000_platdata, 95 } 96}; 97 98static int mxc_uart1_pins[] = { 99 PC9_PF_UART1_CTS, 100 PC10_PF_UART1_RTS, 101 PC11_PF_UART1_TXD, 102 PC12_PF_UART1_RXD, 103}; 104 105static int uart1_mxc_init(struct platform_device *pdev) 106{ 107 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, 108 ARRAY_SIZE(mxc_uart1_pins), "UART1"); 109} 110 111static void uart1_mxc_exit(struct platform_device *pdev) 112{ 113 mxc_gpio_release_multiple_pins(mxc_uart1_pins, 114 ARRAY_SIZE(mxc_uart1_pins)); 115} 116 117static const struct imxuart_platform_data uart_pdata __initconst = { 118 .init = uart1_mxc_init, 119 .exit = uart1_mxc_exit, 120 .flags = IMXUART_HAVE_RTSCTS, 121}; 122 123static struct platform_device *devices[] __initdata = { 124 &scb_flash_device, 125 &dm9000x_device, 126}; 127 128/* 129 * scb9328_init - Init the CPU card itself 130 */ 131static void __init scb9328_init(void) 132{ 133 imx1_add_imx_uart0(&uart_pdata); 134 135 printk(KERN_INFO"Scb9328: Adding devices\n"); 136 platform_add_devices(devices, ARRAY_SIZE(devices)); 137} 138 139static void __init scb9328_timer_init(void) 140{ 141 mx1_clocks_init(32000); 142} 143 144static struct sys_timer scb9328_timer = { 145 .init = scb9328_timer_init, 146}; 147 148MACHINE_START(SCB9328, "Synertronixx scb9328") 149 /* Sascha Hauer */ 150 .phys_io = 0x00200000, 151 .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, 152 .boot_params = 0x08000100, 153 .map_io = mx1_map_io, 154 .init_irq = mx1_init_irq, 155 .timer = &scb9328_timer, 156 .init_machine = scb9328_init, 157MACHINE_END 158