diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9g20ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9g20ek.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c deleted file mode 100644 index 49f07521345..00000000000 --- a/arch/arm/mach-at91/board-sam9g20ek.c +++ /dev/null @@ -1,429 +0,0 @@ -/* - * Copyright (C) 2005 SAN People - * Copyright (C) 2008 Atmel - * - * 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/gpio.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/spi/at73c213.h> -#include <linux/gpio_keys.h> -#include <linux/input.h> -#include <linux/clk.h> -#include <linux/regulator/machine.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/consumer.h> - -#include <linux/platform_data/at91_adc.h> - -#include <mach/hardware.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/at91sam9_smc.h> -#include <mach/system_rev.h> - -#include "at91_aic.h" -#include "board.h" -#include "sam9_smc.h" -#include "generic.h" -#include "gpio.h" - -/* - * board revision encoding - * bit 0: - * 0 => 1 sd/mmc slot - * 1 => 2 sd/mmc slots connectors (board from revision C) - */ -#define HAVE_2MMC (1 << 0) -static int inline ek_have_2mmc(void) -{ - return machine_is_at91sam9g20ek_2mmc() || (system_rev & HAVE_2MMC); -} - - -static void __init ek_init_early(void) -{ - /* Initialize processor: 18.432 MHz crystal */ - at91_initialize(18432000); -} - -/* - * 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_PC5, - .pullup_pin = -EINVAL, /* pull-up driven by UDC */ -}; - - -/* - * SPI devices. - */ -static struct spi_board_info ek_spi_devices[] = { -#if !IS_ENABLED(CONFIG_MMC_ATMELMCI) - { /* DataFlash chip */ - .modalias = "mtd_dataflash", - .chip_select = 1, - .max_speed_hz = 15 * 1000 * 1000, - .bus_num = 0, - }, -#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) - { /* DataFlash card */ - .modalias = "mtd_dataflash", - .chip_select = 0, - .max_speed_hz = 15 * 1000 * 1000, - .bus_num = 0, - }, -#endif -#endif -}; - - -/* - * MACB Ethernet device - */ -static struct macb_platform_data __initdata ek_macb_data = { - .phy_irq_pin = AT91_PIN_PA7, - .is_rmii = 1, -}; - -static void __init ek_add_device_macb(void) -{ - if (ek_have_2mmc()) - ek_macb_data.phy_irq_pin = AT91_PIN_PB0; - - at91_add_device_eth(&ek_macb_data); -} - -/* - * NAND flash - */ -static struct mtd_partition __initdata ek_nand_partition[] = { - { - .name = "Bootstrap", - .offset = 0, - .size = 4 * SZ_1M, - }, - { - .name = "Partition 1", - .offset = MTDPART_OFS_NXTBLK, - .size = 60 * SZ_1M, - }, - { - .name = "Partition 2", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL, - }, -}; - -/* det_pin is not connected */ -static struct atmel_nand_data __initdata ek_nand_data = { - .ale = 21, - .cle = 22, - .rdy_pin = AT91_PIN_PC13, - .enable_pin = AT91_PIN_PC14, - .det_pin = -EINVAL, - .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 ek_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, - .tdf_cycles = 3, -}; - -static void __init ek_add_device_nand(void) -{ - ek_nand_data.bus_width_16 = board_have_nand_16bit(); - /* setup bus-width (8 or 16) */ - if (ek_nand_data.bus_width_16) - ek_nand_smc_config.mode |= AT91_SMC_DBW_16; - else - ek_nand_smc_config.mode |= AT91_SMC_DBW_8; - - /* configure chip-select 3 (NAND) */ - sam9_smc_configure(0, 3, &ek_nand_smc_config); - - at91_add_device_nand(&ek_nand_data); -} - - -/* - * MCI (SD/MMC) - * wp_pin and vcc_pin are not connected - */ -static struct mci_platform_data __initdata ek_mmc_data = { - .slot[1] = { - .bus_width = 4, - .detect_pin = AT91_PIN_PC9, - .wp_pin = -EINVAL, - }, - -}; - -static void __init ek_add_device_mmc(void) -{ - if (ek_have_2mmc()) { - ek_mmc_data.slot[0].bus_width = 4; - ek_mmc_data.slot[0].detect_pin = AT91_PIN_PC2; - ek_mmc_data.slot[0].wp_pin = -1; - } - at91_add_device_mci(0, &ek_mmc_data); -} - -/* - * LEDs - */ -static struct gpio_led ek_leds[] = { - { /* "bottom" led, green, userled1 to be defined */ - .name = "ds5", - .gpio = AT91_PIN_PA6, - .active_low = 1, - .default_trigger = "none", - }, - { /* "power" led, yellow */ - .name = "ds1", - .gpio = AT91_PIN_PA9, - .default_trigger = "heartbeat", - } -}; - -static void __init ek_add_device_gpio_leds(void) -{ - if (ek_have_2mmc()) { - ek_leds[0].gpio = AT91_PIN_PB8; - ek_leds[1].gpio = AT91_PIN_PB9; - } - - at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); -} - -/* - * GPIO Buttons - */ -#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) -static struct gpio_keys_button ek_buttons[] = { - { - .gpio = AT91_PIN_PA30, - .code = BTN_3, - .desc = "Button 3", - .active_low = 1, - .wakeup = 1, - }, - { - .gpio = AT91_PIN_PA31, - .code = BTN_4, - .desc = "Button 4", - .active_low = 1, - .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_input(AT91_PIN_PA30, 1); /* btn3 */ - at91_set_deglitch(AT91_PIN_PA30, 1); - at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */ - at91_set_deglitch(AT91_PIN_PA31, 1); - - platform_device_register(&ek_button_device); -} -#else -static void __init ek_add_device_buttons(void) {} -#endif - -/* - * ADCs - */ - -static struct at91_adc_data ek_adc_data = { - .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3), - .use_external_triggers = true, - .vref = 3300, -}; - -#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE) -static struct regulator_consumer_supply ek_audio_consumer_supplies[] = { - REGULATOR_SUPPLY("AVDD", "0-001b"), - REGULATOR_SUPPLY("HPVDD", "0-001b"), - REGULATOR_SUPPLY("DBVDD", "0-001b"), - REGULATOR_SUPPLY("DCVDD", "0-001b"), -}; - -static struct regulator_init_data ek_avdd_reg_init_data = { - .constraints = { - .name = "3V3", - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - }, - .consumer_supplies = ek_audio_consumer_supplies, - .num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies), -}; - -static struct fixed_voltage_config ek_vdd_pdata = { - .supply_name = "board-3V3", - .microvolts = 3300000, - .gpio = -EINVAL, - .enabled_at_boot = 0, - .init_data = &ek_avdd_reg_init_data, -}; -static struct platform_device ek_voltage_regulator = { - .name = "reg-fixed-voltage", - .id = -1, - .num_resources = 0, - .dev = { - .platform_data = &ek_vdd_pdata, - }, -}; -static void __init ek_add_regulators(void) -{ - platform_device_register(&ek_voltage_regulator); -} -#else -static void __init ek_add_regulators(void) {} -#endif - - -static struct i2c_board_info __initdata ek_i2c_devices[] = { - { - I2C_BOARD_INFO("24c512", 0x50) - }, - { - I2C_BOARD_INFO("wm8731", 0x1b) - }, -}; - -static struct platform_device sam9g20ek_audio_device = { - .name = "at91sam9g20ek-audio", - .id = -1, -}; - -static void __init ek_add_device_audio(void) -{ - platform_device_register(&sam9g20ek_audio_device); -} - - -static void __init ek_board_init(void) -{ - /* Serial */ - /* DBGU on ttyS0. (Rx & Tx only) */ - at91_register_uart(0, 0, 0); - - /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ - at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS - | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD - | ATMEL_UART_RI); - - /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ - at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_add_device_serial(); - /* USB Host */ - at91_add_device_usbh(&ek_usbh_data); - /* USB Device */ - at91_add_device_udc(&ek_udc_data); - /* SPI */ - at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); - /* NAND */ - ek_add_device_nand(); - /* Ethernet */ - ek_add_device_macb(); - /* Regulators */ - ek_add_regulators(); - /* MMC */ - ek_add_device_mmc(); - /* I2C */ - at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); - /* LEDs */ - ek_add_device_gpio_leds(); - /* Push Buttons */ - ek_add_device_buttons(); - /* ADCs */ - at91_add_device_adc(&ek_adc_data); - /* PCK0 provides MCLK to the WM8731 */ - at91_set_B_periph(AT91_PIN_PC1, 0); - /* SSC (for WM8731) */ - at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); - ek_add_device_audio(); -} - -MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK") - /* Maintainer: Atmel */ - .init_time = at91_init_time, - .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(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod") - /* Maintainer: Atmel */ - .init_time = at91_init_time, - .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 |