/* * linux/arch/arm/mach-at91/board-cpu9krea.c * * Copyright (C) 2005 SAN People * Copyright (C) 2006 Atmel * Copyright (C) 2009 Eric Benard - eric@eukrea.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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "sam9_smc.h" #include "generic.h" static void __init cpu9krea_init_early(void) { /* Initialize processor: 18.432 MHz crystal */ at91_initialize(18432000); /* DGBU 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); /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */ at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS); /* USART3 on ttyS4. (Rx, Tx) */ at91_register_uart(AT91SAM9260_ID_US3, 4, 0); /* USART4 on ttyS5. (Rx, Tx) */ at91_register_uart(AT91SAM9260_ID_US4, 5, 0); /* USART5 on ttyS6. (Rx, Tx) */ at91_register_uart(AT91SAM9260_ID_US5, 6, 0); /* set serial console to ttyS0 (ie, DBGU) */ at91_set_serial_console(0); } static void __init cpu9krea_init_irq(void) { at91sam9260_init_interrupts(NULL); } /* * USB Host port */ static struct at91_usbh_data __initdata cpu9krea_usbh_data = { .ports = 2, }; /* * USB Device port */ static struct at91_udc_data __initdata cpu9krea_udc_data = { .vbus_pin = AT91_PIN_PC8, .pullup_pin = 0, /* pull-up driven by UDC */ }; /* * MACB Ethernet device */ static struct at91_eth_data __initdata cpu9krea_macb_data = { .is_rmii = 1, }; /* * NAND flash */ static struct atmel_nand_data __initdata cpu9krea_nand_data = { .ale = 21, .cle = 22, .rdy_pin = AT91_PIN_PC13, .enable_pin = AT91_PIN_PC14, .bus_width_16 = 0, }; #ifdef CONFIG_MACH_CPU9260 static struct sam9_smc_config __initdata cpu9krea_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, }; #else static struct sam9_smc_config __initdata cpu9krea_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, }; #endif static void __init cpu9krea_add_device_nand(void) { sam9_smc_configure(3, &cpu9krea_nand_smc_config); at91_add_device_nand(&cpu9krea_nand_data); } /* * NOR flash */ static struct physmap_flash_data cpuat9260_nor_data = { .width = 2, }; #define NOR_BASE AT91_CHIPSELECT_0 #define NOR_SIZE SZ_64M static struct resource nor_flash_resources[] = { { .start = NOR_BASE, .end = NOR_BASE + NOR_SIZE - 1, .flags = IORESOURCE_MEM, } }; static struct platform_device cpu9krea_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &cpuat9260_nor_data, }, .resource = nor_flash_resources, .num_resources = ARRAY_SIZE(nor_flash_resources), }; #ifdef CONFIG_MACH_CPU9260 static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { .ncs_read_setup = 0, .nrd_setup = 1, .ncs_write_setup = 0, .nwe_setup = 1, .ncs_read_pulse = 10, .nrd_pulse = 10, .ncs_write_pulse = 6, .nwe_pulse = 6, .read_cycle = 12, .write_cycle = 8, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16, .tdf_cycles = 2, }; #else static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { .ncs_read_setup = 0, .nrd_setup = 1, .ncs_write_setup = 0, .nwe_setup = 1, .ncs_read_pulse = 13, .nrd_pulse = 13, .ncs_write_pulse = 8, .nwe_pulse = 8, .read_cycle = 15, .write_cycle = 10, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16, .tdf_cycles = 2, }; #endif static __init void cpu9krea_add_device_nor(void) { unsigned long csa; csa = at91_sys_read(AT91_MATRIX_EBICSA); at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V); /* configure chip-select 0 (NOR) */ sam9_smc_configure(0, &cpu9krea_nor_smc_config); platform_device_register(&cpu9krea_nor_flash); } /* * LEDs */ static struct gpio_led cpu9krea_leds[] = { { /* LED1 */ .name = "LED1", .gpio = AT91_PIN_PC11, .active_low = 1, .default_trigger = "timer", }, { /* LED2 */ .name = "LED2", .gpio = AT91_PIN_PC12, .active_low = 1, .default_trigger = "heartbeat", }, { /* LED3 */ .name = "LED3", .gpio = AT91_PIN_PC7, .active_low = 1, .default_trigger = "none", }, { /* LED4 */ .name = "LED4", .gpio = AT91_PIN_PC9, .active_low = 1, .default_trigger = "none", } }; static struct i2c_board_info __initdata cpu9krea_i2c_devices[] = { { I2C_BOARD_INFO("rtc-ds1307", 0x68), .type = "ds1339", }, }; /* * GPIO Buttons */ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button cpu9krea_buttons[] = { { .gpio = AT91_PIN_PC3, .code = BTN_0, .desc = "BP1", .active_low = 1, .wakeup = 1, }, { .gpio = AT91_PIN_PB20, .code = BTN_1, .desc = "BP2", .active_low = 1, .wakeup = 1, } }; static struct gpio_keys_platform_data cpu9krea_button_data = { .buttons = cpu9krea_buttons, .nbuttons = ARRAY_SIZE(cpu9krea_buttons), }; static struct platform_device cpu9krea_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &cpu9krea_button_data, } }; static void __init cpu9krea_add_device_buttons(void) { at91_set_gpio_input(AT91_PIN_PC3, 1); /* BP1 */ at91_set_deglitch(AT91_PIN_PC3, 1); at91_set_gpio_input(AT91_PIN_PB20, 1); /* BP2 */ at91_set_deglitch(AT91_PIN_PB20, 1); platform_device_register(&cpu9krea_button_device); } #else static void __init cpu9krea_add_device_buttons(void) { } #endif /* * MCI (SD/MMC) */ static struct at91_mmc_data __initdata cpu9krea_mmc_data = { .slot_b = 0, .wire4 = 1, .det_pin = AT91_PIN_PA29, }; static void __init cpu9krea_board_init(void) { /* NOR */ cpu9krea_add_device_nor(); /* Serial */ at91_add_device_serial(); /* USB Host */ at91_add_device_usbh(&cpu9krea_usbh_data); /* USB Device */ at91_add_device_udc(&cpu9krea_udc_data); /* NAND */ cpu9krea_add_device_nand(); /* Ethernet */ at91_add_device_eth(&cpu9krea_macb_data); /* MMC */ at91_add_device_mmc(0, &cpu9krea_mmc_data); /* I2C */ at91_add_device_i2c(cpu9krea_i2c_devices, ARRAY_SIZE(cpu9krea_i2c_devices)); /* LEDs */ at91_gpio_leds(cpu9krea_leds, ARRAY_SIZE(cpu9krea_leds)); /* Push Buttons */ cpu9krea_add_device_buttons(); } #ifdef CONFIG_MACH_CPU9260 MACHINE_START(CPUAT9260, "Eukrea CPU9260") #else MACHINE_START(CPUAT9G20, "Eukrea CPU9G20") #endif /* Maintainer: Eric Benard - EUKREA Electromatique */ .timer = &at91sam926x_timer, .map_io = at91_map_io, .init_early = cpu9krea_init_early, .init_irq = cpu9krea_init_irq, .init_machine = cpu9krea_board_init, MACHINE_END