/* * linux/arch/arm/mach-at91/board-at572d940hf_ek.c * * Copyright (C) 2008 Atmel Antonio R. Costa * Copyright (C) 2005 SAN People * * 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 "sam9_smc.h" #include "generic.h" static void __init eb_map_io(void) { /* Initialize processor: 12.500 MHz crystal */ at572d940hf_initialize(12000000); /* DBGU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); /* USART0 on ttyS1. (Rx & Tx only) */ at91_register_uart(AT572D940HF_ID_US0, 1, 0); /* USART1 on ttyS2. (Rx & Tx only) */ at91_register_uart(AT572D940HF_ID_US1, 2, 0); /* USART2 on ttyS3. (Tx & Rx only */ at91_register_uart(AT572D940HF_ID_US2, 3, 0); /* set serial console to ttyS0 (ie, DBGU) */ at91_set_serial_console(0); } static void __init eb_init_irq(void) { at572d940hf_init_interrupts(NULL); } /* * USB Host Port */ static struct at91_usbh_data __initdata eb_usbh_data = { .ports = 2, }; /* * USB Device Port */ static struct at91_udc_data __initdata eb_udc_data = { .vbus_pin = 0, /* no VBUS detection,UDC always on */ .pullup_pin = 0, /* pull-up driven by UDC */ }; /* * MCI (SD/MMC) */ static struct at91_mmc_data __initdata eb_mmc_data = { .wire4 = 1, /* .det_pin = ... not connected */ /* .wp_pin = ... not connected */ /* .vcc_pin = ... not connected */ }; /* * MACB Ethernet device */ static struct at91_eth_data __initdata eb_eth_data = { .phy_irq_pin = AT91_PIN_PB25, .is_rmii = 1, }; /* * NOR flash */ static struct mtd_partition eb_nor_partitions[] = { { .name = "Raw Environment", .offset = 0, .size = SZ_4M, .mask_flags = 0, }, { .name = "OS FS", .offset = MTDPART_OFS_APPEND, .size = 3 * SZ_1M, .mask_flags = 0, }, { .name = "APP FS", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, }, }; static void nor_flash_set_vpp(struct map_info* mi, int i) { }; static struct physmap_flash_data nor_flash_data = { .width = 4, .parts = eb_nor_partitions, .nr_parts = ARRAY_SIZE(eb_nor_partitions), .set_vpp = nor_flash_set_vpp, }; static struct resource nor_flash_resources[] = { { .start = AT91_CHIPSELECT_0, .end = AT91_CHIPSELECT_0 + SZ_16M - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &nor_flash_data, }, .resource = nor_flash_resources, .num_resources = ARRAY_SIZE(nor_flash_resources), }; static struct sam9_smc_config __initdata eb_nor_smc_config = { .ncs_read_setup = 1, .nrd_setup = 1, .ncs_write_setup = 1, .nwe_setup = 1, .ncs_read_pulse = 7, .nrd_pulse = 7, .ncs_write_pulse = 7, .nwe_pulse = 7, .read_cycle = 9, .write_cycle = 9, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32, .tdf_cycles = 1, }; static void __init eb_add_device_nor(void) { /* configure chip-select 0 (NOR) */ sam9_smc_configure(0, &eb_nor_smc_config); platform_device_register(&nor_flash); } /* * NAND flash */ static struct mtd_partition __initdata eb_nand_partition[] = { { .name = "Partition 1", .offset = 0, .size = SZ_16M, }, { .name = "Partition 2", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, } }; static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) { *num_partitions = ARRAY_SIZE(eb_nand_partition); return eb_nand_partition; } static struct atmel_nand_data __initdata eb_nand_data = { .ale = 22, .cle = 21, /* .det_pin = ... not connected */ /* .rdy_pin = AT91_PIN_PC16, */ .enable_pin = AT91_PIN_PA15, .partition_info = nand_partitions, #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) .bus_width_16 = 1, #else .bus_width_16 = 0, #endif }; static struct sam9_smc_config __initdata eb_nand_smc_config = { .ncs_read_setup = 0, .nrd_setup = 0, .ncs_write_setup = 1, .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, .tdf_cycles = 12, }; static void __init eb_add_device_nand(void) { /* setup bus-width (8 or 16) */ if (eb_nand_data.bus_width_16) eb_nand_smc_config.mode |= AT91_SMC_DBW_16; else eb_nand_smc_config.mode |= AT91_SMC_DBW_8; /* configure chip-select 3 (NAND) */ sam9_smc_configure(3, &eb_nand_smc_config); at91_add_device_nand(&eb_nand_data); } /* * SPI devices */ static struct resource rtc_resources[] = { [0] = { .start = AT572D940HF_ID_IRQ1, .end = AT572D940HF_ID_IRQ1, .flags = IORESOURCE_IRQ, }, }; static struct ds1305_platform_data ds1306_data = { .is_ds1306 = true, .en_1hz = false, }; static struct spi_board_info eb_spi_devices[] = { { /* RTC Dallas DS1306 */ .modalias = "rtc-ds1305", .chip_select = 3, .mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA, .max_speed_hz = 500000, .bus_num = 0, .irq = AT572D940HF_ID_IRQ1, .platform_data = (void *) &ds1306_data, }, #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 }; static void __init eb_board_init(void) { /* Serial */ at91_add_device_serial(); /* USB Host */ at91_add_device_usbh(&eb_usbh_data); /* USB Device */ at91_add_device_udc(&eb_udc_data); /* I2C */ at91_add_device_i2c(NULL, 0); /* NOR */ eb_add_device_nor(); /* NAND */ eb_add_device_nand(); /* SPI */ at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices)); /* MMC */ at91_add_device_mmc(0, &eb_mmc_data); /* Ethernet */ at91_add_device_eth(&eb_eth_data); /* mAgic */ at91_add_device_mAgic(); } MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB") /* Maintainer: Atmel */ .phys_io = AT91_BASE_SYS, .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, .boot_params = AT91_SDRAM_BASE + 0x100, .timer = &at91sam926x_timer, .map_io = eb_map_io, .init_irq = eb_init_irq, .init_machine = eb_board_init, MACHINE_END