1/* 2 * linux/arch/arm/mach-at91/board-csb337.c 3 * 4 * Copyright (C) 2005 SAN People 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21#include <linux/types.h> 22#include <linux/init.h> 23#include <linux/mm.h> 24#include <linux/module.h> 25#include <linux/platform_device.h> 26#include <linux/spi/spi.h> 27#include <linux/mtd/physmap.h> 28#include <linux/input.h> 29#include <linux/gpio_keys.h> 30 31#include <asm/setup.h> 32#include <asm/mach-types.h> 33#include <asm/irq.h> 34 35#include <asm/mach/arch.h> 36#include <asm/mach/map.h> 37#include <asm/mach/irq.h> 38 39#include <mach/hardware.h> 40#include <mach/board.h> 41#include <mach/gpio.h> 42 43#include "generic.h" 44 45 46static void __init csb337_map_io(void) 47{ 48 /* Initialize processor: 3.6864 MHz crystal */ 49 at91rm9200_initialize(3686400, AT91RM9200_BGA); 50 51 /* Setup the LEDs */ 52 at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1); 53 54 /* DBGU on ttyS0 */ 55 at91_register_uart(0, 0, 0); 56 57 /* make console=ttyS0 the default */ 58 at91_set_serial_console(0); 59} 60 61static void __init csb337_init_irq(void) 62{ 63 at91rm9200_init_interrupts(NULL); 64} 65 66static struct at91_eth_data __initdata csb337_eth_data = { 67 .phy_irq_pin = AT91_PIN_PC2, 68 .is_rmii = 0, 69}; 70 71static struct at91_usbh_data __initdata csb337_usbh_data = { 72 .ports = 2, 73}; 74 75static struct at91_udc_data __initdata csb337_udc_data = { 76 // this has no VBUS sensing pin 77 .pullup_pin = AT91_PIN_PA24, 78}; 79 80static struct i2c_board_info __initdata csb337_i2c_devices[] = { 81 { 82 I2C_BOARD_INFO("ds1307", 0x68), 83 }, 84}; 85 86static struct at91_cf_data __initdata csb337_cf_data = { 87 /* 88 * connector P4 on the CSB 337 mates to 89 * connector P8 on the CSB 300CF 90 */ 91 92 /* CSB337 specific */ 93 .det_pin = AT91_PIN_PC3, 94 95 /* CSB300CF specific */ 96 .irq_pin = AT91_PIN_PA19, 97 .vcc_pin = AT91_PIN_PD0, 98 .rst_pin = AT91_PIN_PD2, 99}; 100 101static struct at91_mmc_data __initdata csb337_mmc_data = { 102 .det_pin = AT91_PIN_PD5, 103 .slot_b = 0, 104 .wire4 = 1, 105 .wp_pin = AT91_PIN_PD6, 106}; 107 108static struct spi_board_info csb337_spi_devices[] = { 109 { /* CAN controller */ 110 .modalias = "sak82c900", 111 .chip_select = 0, 112 .max_speed_hz = 6 * 1000 * 1000, 113 }, 114}; 115 116#define CSB_FLASH_BASE AT91_CHIPSELECT_0 117#define CSB_FLASH_SIZE SZ_8M 118 119static struct mtd_partition csb_flash_partitions[] = { 120 { 121 .name = "uMON flash", 122 .offset = 0, 123 .size = MTDPART_SIZ_FULL, 124 .mask_flags = MTD_WRITEABLE, /* read only */ 125 } 126}; 127 128static struct physmap_flash_data csb_flash_data = { 129 .width = 2, 130 .parts = csb_flash_partitions, 131 .nr_parts = ARRAY_SIZE(csb_flash_partitions), 132}; 133 134static struct resource csb_flash_resources[] = { 135 { 136 .start = CSB_FLASH_BASE, 137 .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1, 138 .flags = IORESOURCE_MEM, 139 } 140}; 141 142static struct platform_device csb_flash = { 143 .name = "physmap-flash", 144 .id = 0, 145 .dev = { 146 .platform_data = &csb_flash_data, 147 }, 148 .resource = csb_flash_resources, 149 .num_resources = ARRAY_SIZE(csb_flash_resources), 150}; 151 152/* 153 * GPIO Buttons (on CSB300) 154 */ 155#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 156static struct gpio_keys_button csb300_buttons[] = { 157 { 158 .gpio = AT91_PIN_PB29, 159 .code = BTN_0, 160 .desc = "sw0", 161 .active_low = 1, 162 .wakeup = 1, 163 }, 164 { 165 .gpio = AT91_PIN_PB28, 166 .code = BTN_1, 167 .desc = "sw1", 168 .active_low = 1, 169 .wakeup = 1, 170 }, 171 { 172 .gpio = AT91_PIN_PA21, 173 .code = BTN_2, 174 .desc = "sw2", 175 .active_low = 1, 176 .wakeup = 1, 177 } 178}; 179 180static struct gpio_keys_platform_data csb300_button_data = { 181 .buttons = csb300_buttons, 182 .nbuttons = ARRAY_SIZE(csb300_buttons), 183}; 184 185static struct platform_device csb300_button_device = { 186 .name = "gpio-keys", 187 .id = -1, 188 .num_resources = 0, 189 .dev = { 190 .platform_data = &csb300_button_data, 191 } 192}; 193 194static void __init csb300_add_device_buttons(void) 195{ 196 at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */ 197 at91_set_deglitch(AT91_PIN_PB29, 1); 198 at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */ 199 at91_set_deglitch(AT91_PIN_PB28, 1); 200 at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */ 201 at91_set_deglitch(AT91_PIN_PA21, 1); 202 203 platform_device_register(&csb300_button_device); 204} 205#else 206static void __init csb300_add_device_buttons(void) {} 207#endif 208 209static struct gpio_led csb_leds[] = { 210 { /* "led0", yellow */ 211 .name = "led0", 212 .gpio = AT91_PIN_PB2, 213 .active_low = 1, 214 .default_trigger = "heartbeat", 215 }, 216 { /* "led1", green */ 217 .name = "led1", 218 .gpio = AT91_PIN_PB1, 219 .active_low = 1, 220 .default_trigger = "mmc0", 221 }, 222 { /* "led2", yellow */ 223 .name = "led2", 224 .gpio = AT91_PIN_PB0, 225 .active_low = 1, 226 .default_trigger = "ide-disk", 227 } 228}; 229 230 231static void __init csb337_board_init(void) 232{ 233 /* Serial */ 234 at91_add_device_serial(); 235 /* Ethernet */ 236 at91_add_device_eth(&csb337_eth_data); 237 /* USB Host */ 238 at91_add_device_usbh(&csb337_usbh_data); 239 /* USB Device */ 240 at91_add_device_udc(&csb337_udc_data); 241 /* I2C */ 242 at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices)); 243 /* Compact Flash */ 244 at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */ 245 at91_add_device_cf(&csb337_cf_data); 246 /* SPI */ 247 at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices)); 248 /* MMC */ 249 at91_add_device_mmc(0, &csb337_mmc_data); 250 /* NOR flash */ 251 platform_device_register(&csb_flash); 252 /* LEDs */ 253 at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds)); 254 /* Switches on CSB300 */ 255 csb300_add_device_buttons(); 256} 257 258MACHINE_START(CSB337, "Cogent CSB337") 259 /* Maintainer: Bill Gatliff */ 260 .phys_io = AT91_BASE_SYS, 261 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 262 .boot_params = AT91_SDRAM_BASE + 0x100, 263 .timer = &at91rm9200_timer, 264 .map_io = csb337_map_io, 265 .init_irq = csb337_init_irq, 266 .init_machine = csb337_board_init, 267MACHINE_END 268