| /* |
| * linux/arch/arm/mach-at91/board-usb-a926x.c |
| * |
| * Copyright (C) 2005 SAN People |
| * Copyright (C) 2007 Atmel Corporation. |
| * Copyright (C) 2007 Calao-systems |
| * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> |
| * |
| * 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 |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/init.h> |
| #include <linux/mm.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/spi/spi.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/gpio.h> |
| #include <linux/input.h> |
| #include <linux/spi/mmc_spi.h> |
| |
| #include <asm/setup.h> |
| #include <asm/mach-types.h> |
| #include <asm/irq.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| |
| #include <mach/hardware.h> |
| #include <mach/board.h> |
| #include <mach/at91_aic.h> |
| #include <mach/at91sam9_smc.h> |
| #include <mach/at91_shdwc.h> |
| |
| #include "sam9_smc.h" |
| #include "generic.h" |
| |
| |
| static void __init ek_init_early(void) |
| { |
| /* Initialize processor: 12.00 MHz crystal */ |
| at91_initialize(12000000); |
| } |
| |
| /* |
| * USB Host port |
| */ |
| static struct at91_usbh_data __initdata ek_usbh_data = { |
| .ports = 2, |
| .vbus_pin = {-EINVAL, -EINVAL}, |
| .overcurrent_pin= {-EINVAL, -EINVAL}, |
| }; |
| |
| /* |
| * USB Device port |
| */ |
| static struct at91_udc_data __initdata ek_udc_data = { |
| .vbus_pin = AT91_PIN_PB11, |
| .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
| }; |
| |
| static void __init ek_add_device_udc(void) |
| { |
| if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
| ek_udc_data.vbus_pin = AT91_PIN_PC5; |
| |
| at91_add_device_udc(&ek_udc_data); |
| } |
| |
| #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) |
| #define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4 |
| static int at91_mmc_spi_init(struct device *dev, |
| irqreturn_t (*detect_int)(int, void *), void *data) |
| { |
| /* Configure Interrupt pin as input, no pull-up */ |
| at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0); |
| return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int, |
| IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, |
| "mmc-spi-detect", data); |
| } |
| |
| static void at91_mmc_spi_exit(struct device *dev, void *data) |
| { |
| free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data); |
| } |
| |
| static struct mmc_spi_platform_data at91_mmc_spi_pdata = { |
| .init = at91_mmc_spi_init, |
| .exit = at91_mmc_spi_exit, |
| .detect_delay = 100, /* msecs */ |
| }; |
| #endif |
| |
| /* |
| * SPI devices. |
| */ |
| static struct spi_board_info usb_a9263_spi_devices[] = { |
| #if !defined(CONFIG_MMC_AT91) |
| { /* DataFlash chip */ |
| .modalias = "mtd_dataflash", |
| .chip_select = 0, |
| .max_speed_hz = 15 * 1000 * 1000, |
| .bus_num = 0, |
| } |
| #endif |
| }; |
| |
| static struct spi_board_info usb_a9g20_spi_devices[] = { |
| #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) |
| { |
| .modalias = "mmc_spi", |
| .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ |
| .bus_num = 1, |
| .chip_select = 0, |
| .platform_data = &at91_mmc_spi_pdata, |
| .mode = SPI_MODE_3, |
| }, |
| #endif |
| }; |
| |
| static void __init ek_add_device_spi(void) |
| { |
| if (machine_is_usb_a9263()) |
| at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices)); |
| else if (machine_is_usb_a9g20()) |
| at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices)); |
| } |
| |
| /* |
| * MACB Ethernet device |
| */ |
| static struct macb_platform_data __initdata ek_macb_data = { |
| .phy_irq_pin = AT91_PIN_PE31, |
| .is_rmii = 1, |
| }; |
| |
| static void __init ek_add_device_eth(void) |
| { |
| if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
| ek_macb_data.phy_irq_pin = AT91_PIN_PA31; |
| |
| at91_add_device_eth(&ek_macb_data); |
| } |
| |
| /* |
| * NAND flash |
| */ |
| static struct mtd_partition __initdata ek_nand_partition[] = { |
| { |
| .name = "barebox", |
| .offset = 0, |
| .size = 3 * SZ_128K, |
| }, { |
| .name = "bareboxenv", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = SZ_128K, |
| }, { |
| .name = "bareboxenv2", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = SZ_128K, |
| }, { |
| .name = "oftree", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = SZ_128K, |
| }, { |
| .name = "kernel", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = 4 * SZ_1M, |
| }, { |
| .name = "rootfs", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = 120 * SZ_1M, |
| }, { |
| .name = "data", |
| .offset = MTDPART_OFS_NXTBLK, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| static struct atmel_nand_data __initdata ek_nand_data = { |
| .ale = 21, |
| .cle = 22, |
| .det_pin = -EINVAL, |
| .rdy_pin = AT91_PIN_PA22, |
| .enable_pin = AT91_PIN_PD15, |
| .ecc_mode = NAND_ECC_SOFT, |
| .on_flash_bbt = 1, |
| .parts = ek_nand_partition, |
| .num_parts = ARRAY_SIZE(ek_nand_partition), |
| }; |
| |
| static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = { |
| .ncs_read_setup = 0, |
| .nrd_setup = 1, |
| .ncs_write_setup = 0, |
| .nwe_setup = 1, |
| |
| .ncs_read_pulse = 3, |
| .nrd_pulse = 3, |
| .ncs_write_pulse = 3, |
| .nwe_pulse = 3, |
| |
| .read_cycle = 5, |
| .write_cycle = 5, |
| |
| .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, |
| .tdf_cycles = 2, |
| }; |
| |
| static struct sam9_smc_config __initdata usb_a9g20_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 void __init ek_add_device_nand(void) |
| { |
| if (machine_is_usb_a9260() || machine_is_usb_a9g20()) { |
| ek_nand_data.rdy_pin = AT91_PIN_PC13; |
| ek_nand_data.enable_pin = AT91_PIN_PC14; |
| } |
| |
| /* configure chip-select 3 (NAND) */ |
| if (machine_is_usb_a9g20()) |
| sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config); |
| else |
| sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config); |
| |
| at91_add_device_nand(&ek_nand_data); |
| } |
| |
| |
| /* |
| * GPIO Buttons |
| */ |
| #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| static struct gpio_keys_button ek_buttons[] = { |
| { /* USER PUSH BUTTON */ |
| .code = KEY_ENTER, |
| .gpio = AT91_PIN_PB10, |
| .active_low = 1, |
| .desc = "user_pb", |
| .wakeup = 1, |
| } |
| }; |
| |
| static struct gpio_keys_platform_data ek_button_data = { |
| .buttons = ek_buttons, |
| .nbuttons = ARRAY_SIZE(ek_buttons), |
| }; |
| |
| static struct platform_device ek_button_device = { |
| .name = "gpio-keys", |
| .id = -1, |
| .num_resources = 0, |
| .dev = { |
| .platform_data = &ek_button_data, |
| } |
| }; |
| |
| static void __init ek_add_device_buttons(void) |
| { |
| at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ |
| at91_set_deglitch(AT91_PIN_PB10, 1); |
| |
| platform_device_register(&ek_button_device); |
| } |
| #else |
| static void __init ek_add_device_buttons(void) {} |
| #endif |
| |
| /* |
| * LEDs |
| */ |
| static struct gpio_led ek_leds[] = { |
| { /* user_led (green) */ |
| .name = "user_led", |
| .gpio = AT91_PIN_PB21, |
| .active_low = 1, |
| .default_trigger = "heartbeat", |
| } |
| }; |
| |
| static struct i2c_board_info __initdata ek_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("rv3029c2", 0x56), |
| }, |
| }; |
| |
| static void __init ek_add_device_leds(void) |
| { |
| if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
| ek_leds[0].active_low = 0; |
| |
| at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); |
| } |
| |
| static void __init ek_board_init(void) |
| { |
| /* Serial */ |
| /* DBGU on ttyS0. (Rx & Tx only) */ |
| at91_register_uart(0, 0, 0); |
| at91_add_device_serial(); |
| /* USB Host */ |
| at91_add_device_usbh(&ek_usbh_data); |
| /* USB Device */ |
| ek_add_device_udc(); |
| /* SPI */ |
| ek_add_device_spi(); |
| /* Ethernet */ |
| ek_add_device_eth(); |
| /* NAND */ |
| ek_add_device_nand(); |
| /* Push Buttons */ |
| ek_add_device_buttons(); |
| /* LEDs */ |
| ek_add_device_leds(); |
| |
| if (machine_is_usb_a9g20()) { |
| /* I2C */ |
| at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
| } else { |
| /* I2C */ |
| at91_add_device_i2c(NULL, 0); |
| /* shutdown controller, wakeup button (5 msec low) */ |
| at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) |
| | AT91_SHDW_WKMODE0_LOW |
| | AT91_SHDW_RTTWKEN); |
| } |
| } |
| |
| MACHINE_START(USB_A9263, "CALAO USB_A9263") |
| /* Maintainer: calao-systems */ |
| .timer = &at91sam926x_timer, |
| .map_io = at91_map_io, |
| .handle_irq = at91_aic_handle_irq, |
| .init_early = ek_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = ek_board_init, |
| MACHINE_END |
| |
| MACHINE_START(USB_A9260, "CALAO USB_A9260") |
| /* Maintainer: calao-systems */ |
| .timer = &at91sam926x_timer, |
| .map_io = at91_map_io, |
| .handle_irq = at91_aic_handle_irq, |
| .init_early = ek_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = ek_board_init, |
| MACHINE_END |
| |
| MACHINE_START(USB_A9G20, "CALAO USB_A92G0") |
| /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */ |
| .timer = &at91sam926x_timer, |
| .map_io = at91_map_io, |
| .handle_irq = at91_aic_handle_irq, |
| .init_early = ek_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = ek_board_init, |
| MACHINE_END |