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/at91sam9_smc.h>
33 #include <mach/hardware.h>
39 #include "stamp9g20.h"
43 static void __init pcontrol_g20_init_early(void)
45 stamp9g20_init_early();
48 static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
51 .ncs_write_setup = 16,
56 .ncs_write_pulse = 63,
62 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
63 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
64 | AT91_SMC_DBW_8 | AT91_SMC_PS_4
81 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
82 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
83 | AT91_SMC_DBW_16 | AT91_SMC_PS_8
88 static void __init add_device_pcontrol(void)
90 /* configure chip-select 4 (IO compatible to 8051 X4 ) */
91 sam9_smc_configure(0, 4, &pcontrol_smc_config[0]);
92 /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */
93 sam9_smc_configure(0, 7, &pcontrol_smc_config[1]);
100 static struct at91_usbh_data __initdata usbh_data = {
102 .vbus_pin = {-EINVAL, -EINVAL},
103 .overcurrent_pin= {-EINVAL, -EINVAL},
110 static struct at91_udc_data __initdata pcontrol_g20_udc_data = {
111 .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */
112 .pullup_pin = AT91_PIN_PA4, /* K-state, active low */
117 * MACB Ethernet device
119 static struct macb_platform_data __initdata macb_data = {
120 .phy_irq_pin = AT91_PIN_PA28,
126 * I2C devices: eeprom and phy/switch
128 static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = {
129 { /* D7 address width=2, 8KiB */
130 I2C_BOARD_INFO("24c64", 0x50)
131 }, { /* D8 address width=1, 1 byte has 32 bits! */
132 I2C_BOARD_INFO("lan9303", 0x0a)
139 static struct gpio_led pcontrol_g20_leds[] = {
141 .name = "LED1", /* red H5 */
142 .gpio = AT91_PIN_PB18,
144 .default_trigger = "none", /* supervisor */
146 .name = "LED2", /* yellow H7 */
147 .gpio = AT91_PIN_PB19,
149 .default_trigger = "mmc0", /* SD-card activity */
151 .name = "LED3", /* green H2 */
152 .gpio = AT91_PIN_PB20,
154 .default_trigger = "heartbeat", /* blinky */
156 .name = "LED4", /* red H3 */
157 .gpio = AT91_PIN_PC6,
159 .default_trigger = "none", /* connection lost */
161 .name = "LED5", /* yellow H6 */
162 .gpio = AT91_PIN_PC7,
164 .default_trigger = "none", /* unsent data */
166 .name = "LED6", /* green H1 */
167 .gpio = AT91_PIN_PC9,
169 .default_trigger = "none", /* snafu */
177 static struct spi_board_info pcontrol_g20_spi_devices[] = {
179 .modalias = "spidev", /* HMI port X4 */
181 .max_speed_hz = 50 * 1000 * 1000,
184 .modalias = "spidev", /* piggyback A2 */
186 .max_speed_hz = 50 * 1000 * 1000,
192 static void __init pcontrol_g20_board_init(void)
194 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */
195 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
198 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */
199 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
202 /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */
203 at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
204 stamp9g20_board_init();
205 at91_add_device_usbh(&usbh_data);
206 at91_add_device_eth(&macb_data);
207 at91_add_device_i2c(pcontrol_g20_i2c_devices,
208 ARRAY_SIZE(pcontrol_g20_i2c_devices));
209 add_device_pcontrol();
210 at91_add_device_spi(pcontrol_g20_spi_devices,
211 ARRAY_SIZE(pcontrol_g20_spi_devices));
212 at91_add_device_udc(&pcontrol_g20_udc_data);
213 at91_gpio_leds(pcontrol_g20_leds,
214 ARRAY_SIZE(pcontrol_g20_leds));
216 at91_set_gpio_output(AT91_PIN_PB31, 1);
220 MACHINE_START(PCONTROL_G20, "PControl G20")
221 /* Maintainer: pgsellmann@portner-elektronik.at */
222 .init_time = at91sam926x_pit_init,
223 .map_io = at91_map_io,
224 .handle_irq = at91_aic_handle_irq,
225 .init_early = pcontrol_g20_init_early,
226 .init_irq = at91_init_irq_default,
227 .init_machine = pcontrol_g20_board_init,