2 * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * copied and adjusted from board-stamp9g20.c
21 * by Peter Gsellmann <pgsellmann@portner-elektronik.at>
25 #include <linux/platform_device.h>
26 #include <linux/gpio.h>
27 #include <linux/w1-gpio.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
32 #include <mach/board.h>
33 #include <mach/at91sam9_smc.h>
39 static void __init pcontrol_g20_map_io(void)
41 /* Initialize processor: 18.432 MHz crystal */
42 at91sam9260_initialize(18432000);
44 /* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
45 at91_register_uart(0, 0, 0);
47 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */
48 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
51 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */
52 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
55 /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */
56 at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
58 /* set serial console to ttyS0 (ie, DBGU) */
59 at91_set_serial_console(0);
63 static void __init init_irq(void)
65 at91sam9260_init_interrupts(NULL);
70 * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
72 static struct atmel_nand_data __initdata nand_data = {
75 .rdy_pin = AT91_PIN_PC13,
76 .enable_pin = AT91_PIN_PC14,
80 * Bus timings; unit = 7.57ns
82 static struct sam9_smc_config __initdata nand_smc_config = {
96 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
97 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
101 static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
102 .ncs_read_setup = 16,
104 .ncs_write_setup = 16,
107 .ncs_read_pulse = 63,
109 .ncs_write_pulse = 63,
115 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
116 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
117 | AT91_SMC_DBW_8 | AT91_SMC_PS_4
123 .ncs_write_setup = 0,
128 .ncs_write_pulse = 5,
134 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
135 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
136 | AT91_SMC_DBW_16 | AT91_SMC_PS_8
141 static void __init add_device_nand(void)
143 /* configure chip-select 3 (NAND) */
144 sam9_smc_configure(3, &nand_smc_config);
145 at91_add_device_nand(&nand_data);
149 static void __init add_device_pcontrol(void)
151 /* configure chip-select 4 (IO compatible to 8051 X4 ) */
152 sam9_smc_configure(4, &pcontrol_smc_config[0]);
153 /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */
154 sam9_smc_configure(7, &pcontrol_smc_config[1]);
160 * det_pin, wp_pin and vcc_pin are not connected
162 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
163 static struct mci_platform_data __initdata mmc_data = {
169 static struct at91_mmc_data __initdata mmc_data = {
178 static struct at91_usbh_data __initdata usbh_data = {
186 static struct at91_udc_data __initdata pcontrol_g20_udc_data = {
187 .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */
188 .pullup_pin = AT91_PIN_PA4, /* K-state, active low */
193 * MACB Ethernet device
195 static struct at91_eth_data __initdata macb_data = {
196 .phy_irq_pin = AT91_PIN_PA28,
202 * I2C devices: eeprom and phy/switch
204 static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = {
205 { /* D7 address width=2, 8KiB */
206 I2C_BOARD_INFO("24c64", 0x50)
207 }, { /* D8 address width=1, 1 byte has 32 bits! */
208 I2C_BOARD_INFO("lan9303", 0x0a)
215 static struct gpio_led pcontrol_g20_leds[] = {
217 .name = "LED1", /* red H5 */
218 .gpio = AT91_PIN_PB18,
220 .default_trigger = "none", /* supervisor */
222 .name = "LED2", /* yellow H7 */
223 .gpio = AT91_PIN_PB19,
225 .default_trigger = "mmc0", /* SD-card activity */
227 .name = "LED3", /* green H2 */
228 .gpio = AT91_PIN_PB20,
230 .default_trigger = "heartbeat", /* blinky */
232 .name = "LED4", /* red H3 */
233 .gpio = AT91_PIN_PC6,
235 .default_trigger = "none", /* connection lost */
237 .name = "LED5", /* yellow H6 */
238 .gpio = AT91_PIN_PC7,
240 .default_trigger = "none", /* unsent data */
242 .name = "LED6", /* green H1 */
243 .gpio = AT91_PIN_PC9,
245 .default_trigger = "none", /* snafu */
253 static struct spi_board_info pcontrol_g20_spi_devices[] = {
255 .modalias = "spidev", /* HMI port X4 */
257 .max_speed_hz = 50 * 1000 * 1000,
260 .modalias = "spidev", /* piggyback A2 */
262 .max_speed_hz = 50 * 1000 * 1000,
269 * Dallas 1-Wire DS2431
271 static struct w1_gpio_platform_data w1_gpio_pdata = {
272 .pin = AT91_PIN_PA29,
276 static struct platform_device w1_device = {
279 .dev.platform_data = &w1_gpio_pdata,
282 static void add_wire1(void)
284 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
285 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
286 platform_device_register(&w1_device);
290 static void __init pcontrol_g20_board_init(void)
292 at91_add_device_serial();
294 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
295 at91_add_device_mci(0, &mmc_data);
297 at91_add_device_mmc(0, &mmc_data);
299 at91_add_device_usbh(&usbh_data);
300 at91_add_device_eth(&macb_data);
301 at91_add_device_i2c(pcontrol_g20_i2c_devices,
302 ARRAY_SIZE(pcontrol_g20_i2c_devices));
304 add_device_pcontrol();
305 at91_add_device_spi(pcontrol_g20_spi_devices,
306 ARRAY_SIZE(pcontrol_g20_spi_devices));
307 at91_add_device_udc(&pcontrol_g20_udc_data);
308 at91_gpio_leds(pcontrol_g20_leds,
309 ARRAY_SIZE(pcontrol_g20_leds));
311 at91_set_gpio_output(AT91_PIN_PB31, 1);
315 MACHINE_START(PCONTROL_G20, "PControl G20")
316 /* Maintainer: pgsellmann@portner-elektronik.at */
317 .boot_params = AT91_SDRAM_BASE + 0x100,
318 .timer = &at91sam926x_timer,
319 .map_io = pcontrol_g20_map_io,
320 .init_irq = init_irq,
321 .init_machine = pcontrol_g20_board_init,