/* * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de> * taskit GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * copied and adjusted from board-stamp9g20.c * by Peter Gsellmann <pgsellmann@portner-elektronik.at> */ #include <linux/mm.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/w1-gpio.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/at91sam9_smc.h> #include <mach/hardware.h> #include "at91_aic.h" #include "board.h" #include "sam9_smc.h" #include "generic.h" #include "stamp9g20.h" #include "gpio.h" static void __init pcontrol_g20_init_early(void) { stamp9g20_init_early(); } static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { { .ncs_read_setup = 16, .nrd_setup = 18, .ncs_write_setup = 16, .nwe_setup = 18, .ncs_read_pulse = 63, .nrd_pulse = 55, .ncs_write_pulse = 63, .nwe_pulse = 55, .read_cycle = 127, .write_cycle = 127, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT | AT91_SMC_DBW_8 | AT91_SMC_PS_4 | AT91_SMC_TDFMODE, .tdf_cycles = 3, }, { .ncs_read_setup = 0, .nrd_setup = 0, .ncs_write_setup = 0, .nwe_setup = 1, .ncs_read_pulse = 8, .nrd_pulse = 8, .ncs_write_pulse = 5, .nwe_pulse = 4, .read_cycle = 8, .write_cycle = 7, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT | AT91_SMC_DBW_16 | AT91_SMC_PS_8 | AT91_SMC_TDFMODE, .tdf_cycles = 1, } }; static void __init add_device_pcontrol(void) { /* configure chip-select 4 (IO compatible to 8051 X4 ) */ sam9_smc_configure(0, 4, &pcontrol_smc_config[0]); /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */ sam9_smc_configure(0, 7, &pcontrol_smc_config[1]); } /* * USB Host port */ static struct at91_usbh_data __initdata usbh_data = { .ports = 2, .vbus_pin = {-EINVAL, -EINVAL}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; /* * USB Device port */ static struct at91_udc_data __initdata pcontrol_g20_udc_data = { .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */ .pullup_pin = AT91_PIN_PA4, /* K-state, active low */ }; /* * MACB Ethernet device */ static struct macb_platform_data __initdata macb_data = { .phy_irq_pin = AT91_PIN_PA28, .is_rmii = 1, }; /* * I2C devices: eeprom and phy/switch */ static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = { { /* D7 address width=2, 8KiB */ I2C_BOARD_INFO("24c64", 0x50) }, { /* D8 address width=1, 1 byte has 32 bits! */ I2C_BOARD_INFO("lan9303", 0x0a) }, }; /* * LEDs */ static struct gpio_led pcontrol_g20_leds[] = { { .name = "LED1", /* red H5 */ .gpio = AT91_PIN_PB18, .active_low = 1, .default_trigger = "none", /* supervisor */ }, { .name = "LED2", /* yellow H7 */ .gpio = AT91_PIN_PB19, .active_low = 1, .default_trigger = "mmc0", /* SD-card activity */ }, { .name = "LED3", /* green H2 */ .gpio = AT91_PIN_PB20, .active_low = 1, .default_trigger = "heartbeat", /* blinky */ }, { .name = "LED4", /* red H3 */ .gpio = AT91_PIN_PC6, .active_low = 1, .default_trigger = "none", /* connection lost */ }, { .name = "LED5", /* yellow H6 */ .gpio = AT91_PIN_PC7, .active_low = 1, .default_trigger = "none", /* unsent data */ }, { .name = "LED6", /* green H1 */ .gpio = AT91_PIN_PC9, .active_low = 1, .default_trigger = "none", /* snafu */ } }; /* * SPI devices */ static struct spi_board_info pcontrol_g20_spi_devices[] = { { .modalias = "spidev", /* HMI port X4 */ .chip_select = 1, .max_speed_hz = 50 * 1000 * 1000, .bus_num = 0, }, { .modalias = "spidev", /* piggyback A2 */ .chip_select = 0, .max_speed_hz = 50 * 1000 * 1000, .bus_num = 1, }, }; static void __init pcontrol_g20_board_init(void) { /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */ at91_register_uart(AT91SAM9260_ID_US4, 3, 0); stamp9g20_board_init(); at91_add_device_usbh(&usbh_data); at91_add_device_eth(&macb_data); at91_add_device_i2c(pcontrol_g20_i2c_devices, ARRAY_SIZE(pcontrol_g20_i2c_devices)); add_device_pcontrol(); at91_add_device_spi(pcontrol_g20_spi_devices, ARRAY_SIZE(pcontrol_g20_spi_devices)); at91_add_device_udc(&pcontrol_g20_udc_data); at91_gpio_leds(pcontrol_g20_leds, ARRAY_SIZE(pcontrol_g20_leds)); /* piggyback A2 */ at91_set_gpio_output(AT91_PIN_PB31, 1); } MACHINE_START(PCONTROL_G20, "PControl G20") /* Maintainer: pgsellmann@portner-elektronik.at */ .init_time = at91_init_time, .map_io = at91_map_io, .handle_irq = at91_aic_handle_irq, .init_early = pcontrol_g20_init_early, .init_irq = at91_init_irq_default, .init_machine = pcontrol_g20_board_init, MACHINE_END