| /* |
| * 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 <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/clk.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/input.h> |
| #include <linux/mtd/physmap.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/at91sam9_smc.h> |
| #include <mach/at91sam9260_matrix.h> |
| #include <mach/at91_matrix.h> |
| |
| #include "at91_aic.h" |
| #include "board.h" |
| #include "sam9_smc.h" |
| #include "generic.h" |
| |
| static void __init cpu9krea_init_early(void) |
| { |
| /* Initialize processor: 18.432 MHz crystal */ |
| at91_initialize(18432000); |
| } |
| |
| /* |
| * USB Host port |
| */ |
| static struct at91_usbh_data __initdata cpu9krea_usbh_data = { |
| .ports = 2, |
| .vbus_pin = {-EINVAL, -EINVAL}, |
| .overcurrent_pin= {-EINVAL, -EINVAL}, |
| }; |
| |
| /* |
| * USB Device port |
| */ |
| static struct at91_udc_data __initdata cpu9krea_udc_data = { |
| .vbus_pin = AT91_PIN_PC8, |
| .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
| }; |
| |
| /* |
| * MACB Ethernet device |
| */ |
| static struct macb_platform_data __initdata cpu9krea_macb_data = { |
| .phy_irq_pin = -EINVAL, |
| .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, |
| .det_pin = -EINVAL, |
| .ecc_mode = NAND_ECC_SOFT, |
| }; |
| |
| #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(0, 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_matrix_read(AT91_MATRIX_EBICSA); |
| at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V); |
| |
| /* configure chip-select 0 (NOR) */ |
| sam9_smc_configure(0, 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("ds1339", 0x68), |
| }, |
| }; |
| |
| /* |
| * 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 mci_platform_data __initdata cpu9krea_mci0_data = { |
| .slot[0] = { |
| .bus_width = 4, |
| .detect_pin = AT91_PIN_PA29, |
| .wp_pin = -EINVAL, |
| }, |
| }; |
| |
| static void __init cpu9krea_board_init(void) |
| { |
| /* NOR */ |
| cpu9krea_add_device_nor(); |
| /* Serial */ |
| /* 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); |
| 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_mci(0, &cpu9krea_mci0_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 */ |
| .init_time = at91sam926x_pit_init, |
| .map_io = at91_map_io, |
| .handle_irq = at91_aic_handle_irq, |
| .init_early = cpu9krea_init_early, |
| .init_irq = at91_init_irq_default, |
| .init_machine = cpu9krea_board_init, |
| MACHINE_END |