X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Farm%2Fmach-at91%2Fboard-pcontrol-g20.c;fp=arch%2Farm%2Fmach-at91%2Fboard-pcontrol-g20.c;h=feb65787c30be5502985a112e4b200d0f7de8ac0;hb=690c12d2c8ca50e55a3f507059c780ecdb8fd83f;hp=0000000000000000000000000000000000000000;hpb=f639011b4020a8230c8d09866f6eaadcb12e8dde;p=mv-sheeva.git diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c new file mode 100644 index 00000000000..feb65787c30 --- /dev/null +++ b/arch/arm/mach-at91/board-pcontrol-g20.c @@ -0,0 +1,230 @@ +/* + * 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 + +#include "sam9_smc.h" +#include "generic.h" + + +static void __init pcontrol_g20_map_io(void) +{ + stamp9g20_map_io(); + + /* 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); +} + + +static void __init init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +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(4, &pcontrol_smc_config[0]); + /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */ + sam9_smc_configure(7, &pcontrol_smc_config[1]); +} + + +/* + * 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, + }, +}; + + +static void __init pcontrol_g20_board_init(void) +{ + 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 */ + .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