/* * Copyright (C) 2010 Christian Glindkamp * 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 */ #include #include #include #include #include #include #include #include #include "sam9_smc.h" #include "generic.h" static void __init pcontrol_g20_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ at91sam9260_initialize(18432000); /* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */ at91_register_uart(0, 0, 0); /* 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); /* set serial console to ttyS0 (ie, DBGU) */ at91_set_serial_console(0); } static void __init init_irq(void) { at91sam9260_init_interrupts(NULL); } /* * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB */ static struct atmel_nand_data __initdata nand_data = { .ale = 21, .cle = 22, .rdy_pin = AT91_PIN_PC13, .enable_pin = AT91_PIN_PC14, }; /* * Bus timings; unit = 7.57ns */ static struct sam9_smc_config __initdata nand_smc_config = { .ncs_read_setup = 0, .nrd_setup = 2, .ncs_write_setup = 0, .nwe_setup = 2, .ncs_read_pulse = 4, .nrd_pulse = 4, .ncs_write_pulse = 4, .nwe_pulse = 4, .read_cycle = 7, .write_cycle = 7, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, .tdf_cycles = 3, }; 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_nand(void) { /* configure chip-select 3 (NAND) */ sam9_smc_configure(3, &nand_smc_config); at91_add_device_nand(&nand_data); } static void __init add_device_pcontrol(void) { /* configure chip-select 4 (IO compatible to 8051 X4 ) */ sam9_smc_configure(4, &pcontrol_smc_config[0]); /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */ sam9_smc_configure(7, &pcontrol_smc_config[1]); } /* * MCI (SD/MMC) * det_pin, wp_pin and vcc_pin are not connected */ #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) static struct mci_platform_data __initdata mmc_data = { .slot[0] = { .bus_width = 4, }, }; #else static struct at91_mmc_data __initdata mmc_data = { .wire4 = 1, }; #endif /* * USB Host port */ static struct at91_usbh_data __initdata usbh_data = { .ports = 2, }; /* * 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 at91_eth_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, }, }; /* * Dallas 1-Wire DS2431 */ static struct w1_gpio_platform_data w1_gpio_pdata = { .pin = AT91_PIN_PA29, .is_open_drain = 1, }; static struct platform_device w1_device = { .name = "w1-gpio", .id = -1, .dev.platform_data = &w1_gpio_pdata, }; static void add_wire1(void) { at91_set_GPIO_periph(w1_gpio_pdata.pin, 1); at91_set_multi_drive(w1_gpio_pdata.pin, 1); platform_device_register(&w1_device); } static void __init pcontrol_g20_board_init(void) { at91_add_device_serial(); add_device_nand(); #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) at91_add_device_mci(0, &mmc_data); #else at91_add_device_mmc(0, &mmc_data); #endif 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_wire1(); 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 */ .boot_params = AT91_SDRAM_BASE + 0x100, .timer = &at91sam926x_timer, .map_io = pcontrol_g20_map_io, .init_irq = init_irq, .init_machine = pcontrol_g20_board_init, MACHINE_END