| 1 | /* |
| 2 | * Copyright (C) 2005 SAN People |
| 3 | * Copyright (C) 2006 Atmel |
| 4 | * Copyright (C) 2009-2010 Claudio Mignanti <c.mignanti@gmail.com> |
| 5 | * |
| 6 | * Strongly based on arch/arm/mach-at91/board-sam9260ek.c |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/mm.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/platform_device.h> |
| 28 | #include <linux/spi/spi.h> |
| 29 | #include <linux/gpio.h> |
| 30 | #include <linux/gpio_keys.h> |
| 31 | #include <linux/input.h> |
| 32 | #include <linux/clk.h> |
| 33 | |
| 34 | #include <mach/hardware.h> |
| 35 | #include <asm/setup.h> |
| 36 | #include <asm/mach-types.h> |
| 37 | #include <asm/irq.h> |
| 38 | |
| 39 | #include <asm/mach/arch.h> |
| 40 | #include <asm/mach/map.h> |
| 41 | #include <asm/mach/irq.h> |
| 42 | |
| 43 | #include <mach/board.h> |
| 44 | #include <mach/at91sam9_smc.h> |
| 45 | |
| 46 | #include "sam9_smc.h" |
| 47 | #include "generic.h" |
| 48 | |
| 49 | |
| 50 | static void __init ek_map_io(void) |
| 51 | { |
| 52 | /* Initialize processor: 18.432 MHz crystal */ |
| 53 | at91sam9260_initialize(18432000); |
| 54 | |
| 55 | /* DGBU on ttyS0. (Rx & Tx only) */ |
| 56 | at91_register_uart(0, 0, 0); |
| 57 | |
| 58 | #if defined(CONFIG_NETUS_SERIALS) || defined(CONFIG_NETUS_FOXGM) |
| 59 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ |
| 60 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS |
| 61 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD |
| 62 | | ATMEL_UART_RI); |
| 63 | |
| 64 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ |
| 65 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); |
| 66 | #endif |
| 67 | |
| 68 | #if defined(CONFIG_NETUS_SERIALS) |
| 69 | /* USART2 on ttyS3. (Rx, Tx) */ |
| 70 | at91_register_uart(AT91SAM9260_ID_US2, 3, 0); |
| 71 | #endif |
| 72 | |
| 73 | /* set serial console to ttyS0 (ie, DBGU) */ |
| 74 | at91_set_serial_console(0); |
| 75 | } |
| 76 | |
| 77 | static void __init ek_init_irq(void) |
| 78 | { |
| 79 | at91sam9260_init_interrupts(NULL); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | /* |
| 84 | * USB Host port |
| 85 | */ |
| 86 | static struct at91_usbh_data __initdata ek_usbh_data = { |
| 87 | .ports = 2, |
| 88 | }; |
| 89 | |
| 90 | /* |
| 91 | * USB Device port |
| 92 | */ |
| 93 | static struct at91_udc_data __initdata ek_udc_data = { |
| 94 | .vbus_pin = AT91_PIN_PC6, |
| 95 | .pullup_pin = 0, /* pull-up driven by UDC */ |
| 96 | }; |
| 97 | |
| 98 | |
| 99 | /* |
| 100 | * SPI devices. |
| 101 | */ |
| 102 | static struct spi_board_info ek_spi_devices[] = { |
| 103 | #if defined(CONFIG_NETUS_USE_DATAFLASH) |
| 104 | { /* DataFlash chip */ |
| 105 | .modalias = "mtd_dataflash", |
| 106 | .chip_select = 1, |
| 107 | .max_speed_hz = 15 * 1000 * 1000, |
| 108 | .bus_num = 0, |
| 109 | }, |
| 110 | #endif |
| 111 | }; |
| 112 | |
| 113 | |
| 114 | /* |
| 115 | * MACB Ethernet device |
| 116 | */ |
| 117 | static struct at91_eth_data __initdata ek_macb_data = { |
| 118 | .phy_irq_pin = AT91_PIN_PA29, |
| 119 | .is_rmii = 1, |
| 120 | }; |
| 121 | |
| 122 | |
| 123 | /* |
| 124 | * MCI (SD/MMC) |
| 125 | * det_pin, wp_pin and vcc_pin are not connected |
| 126 | */ |
| 127 | static struct at91_mmc_data __initdata ek_mmc_data = { |
| 128 | .slot_b = 1, |
| 129 | .wire4 = 1, |
| 130 | }; |
| 131 | |
| 132 | /* |
| 133 | * LEDs |
| 134 | */ |
| 135 | static struct gpio_led ek_leds[] = { |
| 136 | #if defined(CONFIG_NETUS_FOXGM) |
| 137 | { |
| 138 | .name = "led:red:L4", |
| 139 | .gpio = AT91_PIN_PC9, |
| 140 | .active_low = 0, |
| 141 | .default_trigger = "heartbeat", |
| 142 | }, |
| 143 | { |
| 144 | .name = "led:red:L5", |
| 145 | .gpio = AT91_PIN_PC13, |
| 146 | .active_low = 0, |
| 147 | .default_trigger = "none", |
| 148 | }, |
| 149 | #endif //CONFIG_NETUS_FOXGM |
| 150 | { |
| 151 | .name = "led:red:user", |
| 152 | .gpio = AT91_PIN_PC7, |
| 153 | .active_low = 0, |
| 154 | #if defined(CONFIG_NETUS_HEARTBEAT_LED) |
| 155 | .default_trigger = "heartbeat", |
| 156 | #else |
| 157 | .default_trigger = "none", |
| 158 | #endif //CONFIG_NETUS_HEARTBEAT_LED |
| 159 | }, |
| 160 | }; |
| 161 | |
| 162 | /* |
| 163 | * GPIO Buttons |
| 164 | */ |
| 165 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| 166 | |
| 167 | static struct gpio_keys_button ek_buttons[] = { |
| 168 | { |
| 169 | .gpio = AT91_PIN_PC4, |
| 170 | .code = BTN_1, |
| 171 | .desc = "Button 1", |
| 172 | .active_low = 1, |
| 173 | .wakeup = 1, |
| 174 | }, |
| 175 | }; |
| 176 | |
| 177 | static struct gpio_keys_platform_data ek_button_data = { |
| 178 | .buttons = ek_buttons, |
| 179 | .nbuttons = ARRAY_SIZE(ek_buttons), |
| 180 | }; |
| 181 | |
| 182 | static struct platform_device ek_button_device = { |
| 183 | .name = "gpio-keys", |
| 184 | .id = -1, |
| 185 | .num_resources = 0, |
| 186 | .dev = { |
| 187 | .platform_data = &ek_button_data, |
| 188 | } |
| 189 | }; |
| 190 | |
| 191 | static void __init ek_add_device_buttons(void) |
| 192 | { |
| 193 | at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */ |
| 194 | at91_set_deglitch(AT91_PIN_PC4, 1); |
| 195 | |
| 196 | platform_device_register(&ek_button_device); |
| 197 | } |
| 198 | #else |
| 199 | static void __init ek_add_device_buttons(void) {} |
| 200 | #endif |
| 201 | |
| 202 | static struct resource gpiodev_resource = { |
| 203 | .start = 0xFFFFFFFF, |
| 204 | }; |
| 205 | |
| 206 | static void __init ek_board_init(void) |
| 207 | { |
| 208 | /* Serial */ |
| 209 | at91_add_device_serial(); |
| 210 | /* USB Host */ |
| 211 | at91_add_device_usbh(&ek_usbh_data); |
| 212 | /* USB Device */ |
| 213 | at91_add_device_udc(&ek_udc_data); |
| 214 | /* SPI */ |
| 215 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
| 216 | /* Ethernet */ |
| 217 | at91_add_device_eth(&ek_macb_data); |
| 218 | /* MMC */ |
| 219 | at91_add_device_mmc(0, &ek_mmc_data); |
| 220 | /* I2C */ |
| 221 | at91_add_device_i2c(NULL, 0); |
| 222 | /* LEDs */ |
| 223 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); |
| 224 | /* Push Buttons */ |
| 225 | ek_add_device_buttons(); |
| 226 | /* Register GPIODEV */ |
| 227 | platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1); |
| 228 | |
| 229 | } |
| 230 | |
| 231 | MACHINE_START(AT91SAM9G20EK, "Acmesystems Netus FoxBoardG20") |
| 232 | /* Maintainer: Claudio Mignanti */ |
| 233 | .phys_io = AT91_BASE_SYS, |
| 234 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, |
| 235 | .boot_params = AT91_SDRAM_BASE + 0x100, |
| 236 | .timer = &at91sam926x_timer, |
| 237 | .map_io = ek_map_io, |
| 238 | .init_irq = ek_init_irq, |
| 239 | .init_machine = ek_board_init, |
| 240 | MACHINE_END |
| 241 | |
| 242 | |
| 243 | |
