/* * Copyright (C) 2005 SAN People * Copyright (C) 2007 Atmel Corporation * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. */ #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/fb.h> #include <linux/clk.h> #include <video/atmel_lcdc.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/gpio.h> #include <mach/at91sam9_smc.h> #include <mach/at91_shdwc.h> #include "sam9_smc.h" #include "generic.h" static void __init ek_map_io(void) { /* Initialize processor: 12.000 MHz crystal */ at91sam9rl_initialize(12000000); /* DGBU on ttyS0. (Rx & Tx only) */ at91_register_uart(0, 0, 0); /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); /* set serial console to ttyS0 (ie, DBGU) */ at91_set_serial_console(0); } static void __init ek_init_irq(void) { at91sam9rl_init_interrupts(NULL); } /* * USB HS Device port */ static struct usba_platform_data __initdata ek_usba_udc_data = { .vbus_pin = AT91_PIN_PA8, }; /* * MCI (SD/MMC) */ static struct at91_mmc_data __initdata ek_mmc_data = { .wire4 = 1, .det_pin = AT91_PIN_PA15, // .wp_pin = ... not connected // .vcc_pin = ... not connected }; /* * NAND flash */ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, .size = SZ_256K, }, { .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(ek_nand_partition); return ek_nand_partition; } static struct atmel_nand_data __initdata ek_nand_data = { .ale = 21, .cle = 22, // .det_pin = ... not connected .rdy_pin = AT91_PIN_PD17, .enable_pin = AT91_PIN_PB6, .partition_info = nand_partitions, }; static struct sam9_smc_config __initdata ek_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 void __init ek_add_device_nand(void) { /* configure chip-select 3 (NAND) */ sam9_smc_configure(3, &ek_nand_smc_config); at91_add_device_nand(&ek_nand_data); } /* * SPI devices */ static struct spi_board_info ek_spi_devices[] = { { /* DataFlash chip */ .modalias = "mtd_dataflash", .chip_select = 0, .max_speed_hz = 15 * 1000 * 1000, .bus_num = 0, }, }; /* * LCD Controller */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static struct fb_videomode at91_tft_vga_modes[] = { { .name = "TX09D50VM1CCA @ 60", .refresh = 60, .xres = 240, .yres = 320, .pixclock = KHZ2PICOS(4965), .left_margin = 1, .right_margin = 33, .upper_margin = 1, .lower_margin = 0, .hsync_len = 5, .vsync_len = 1, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, .vmode = FB_VMODE_NONINTERLACED, }, }; static struct fb_monspecs at91fb_default_monspecs = { .manufacturer = "HIT", .monitor = "TX09D50VM1CCA", .modedb = at91_tft_vga_modes, .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), .hfmin = 15000, .hfmax = 64000, .vfmin = 50, .vfmax = 150, }; #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) static void at91_lcdc_power_control(int on) { if (on) at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ else at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ } /* Driver datas */ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2, .default_monspecs = &at91fb_default_monspecs, .atmel_lcdfb_power_control = at91_lcdc_power_control, .guard_time = 1, }; #else static struct atmel_lcdfb_info __initdata ek_lcdc_data; #endif static void __init ek_board_init(void) { /* Serial */ at91_add_device_serial(); /* USB HS */ at91_add_device_usba(&ek_usba_udc_data); /* I2C */ at91_add_device_i2c(NULL, 0); /* NAND */ ek_add_device_nand(); /* SPI */ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Touch Screen Controller */ at91_add_device_tsadcc(); } MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK") /* 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 = ek_map_io, .init_irq = ek_init_irq, .init_machine = ek_board_init, MACHINE_END