| /* |
| * linux/arch/arm/mach-at91/board-cap9adk.c |
| * |
| * Copyright (C) 2007 Stelian Pop <stelian.pop@leadtechdesign.com> |
| * Copyright (C) 2007 Lead Tech Design <www.leadtechdesign.com> |
| * Copyright (C) 2005 SAN People |
| * Copyright (C) 2007 Atmel Corporation. |
| * |
| * 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/init.h> |
| #include <linux/mm.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/ads7846.h> |
| #include <linux/fb.h> |
| #include <linux/mtd/physmap.h> |
| |
| #include <video/atmel_lcdc.h> |
| |
| #include <asm/arch/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 <asm/arch/board.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/at91cap9_matrix.h> |
| #include <asm/arch/at91sam9_smc.h> |
| |
| #include "generic.h" |
| |
| |
| static void __init cap9adk_map_io(void) |
| { |
| /* Initialize processor: 12 MHz crystal */ |
| at91cap9_initialize(12000000); |
| |
| /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */ |
| at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11); |
| /* ... POWER LED always on */ |
| at91_set_gpio_output(AT91_PIN_PC29, 1); |
| |
| /* Setup the serial ports and console */ |
| at91_register_uart(0, 0, 0); /* DBGU = ttyS0 */ |
| at91_set_serial_console(0); |
| } |
| |
| static void __init cap9adk_init_irq(void) |
| { |
| at91cap9_init_interrupts(NULL); |
| } |
| |
| |
| /* |
| * USB Host port |
| */ |
| static struct at91_usbh_data __initdata cap9adk_usbh_data = { |
| .ports = 2, |
| }; |
| |
| /* |
| * USB HS Device port |
| */ |
| static struct usba_platform_data __initdata cap9adk_usba_udc_data = { |
| .vbus_pin = AT91_PIN_PB31, |
| }; |
| |
| /* |
| * ADS7846 Touchscreen |
| */ |
| #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
| static int ads7843_pendown_state(void) |
| { |
| return !at91_get_gpio_value(AT91_PIN_PC4); /* Touchscreen PENIRQ */ |
| } |
| |
| static struct ads7846_platform_data ads_info = { |
| .model = 7843, |
| .x_min = 150, |
| .x_max = 3830, |
| .y_min = 190, |
| .y_max = 3830, |
| .vref_delay_usecs = 100, |
| .x_plate_ohms = 450, |
| .y_plate_ohms = 250, |
| .pressure_max = 15000, |
| .debounce_max = 1, |
| .debounce_rep = 0, |
| .debounce_tol = (~0), |
| .get_pendown_state = ads7843_pendown_state, |
| }; |
| |
| static void __init cap9adk_add_device_ts(void) |
| { |
| at91_set_gpio_input(AT91_PIN_PC4, 1); /* Touchscreen PENIRQ */ |
| at91_set_gpio_input(AT91_PIN_PC5, 1); /* Touchscreen BUSY */ |
| } |
| #else |
| static void __init cap9adk_add_device_ts(void) {} |
| #endif |
| |
| |
| /* |
| * SPI devices. |
| */ |
| static struct spi_board_info cap9adk_spi_devices[] = { |
| #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 |
| #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
| { |
| .modalias = "ads7846", |
| .chip_select = 3, /* can be 2 or 3, depending on J2 jumper */ |
| .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ |
| .bus_num = 0, |
| .platform_data = &ads_info, |
| .irq = AT91_PIN_PC4, |
| }, |
| #endif |
| }; |
| |
| |
| /* |
| * MCI (SD/MMC) |
| */ |
| static struct at91_mmc_data __initdata cap9adk_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 cap9adk_macb_data = { |
| .is_rmii = 1, |
| }; |
| |
| |
| /* |
| * NAND flash |
| */ |
| static struct mtd_partition __initdata cap9adk_nand_partitions[] = { |
| { |
| .name = "NAND partition", |
| .offset = 0, |
| .size = MTDPART_SIZ_FULL, |
| }, |
| }; |
| |
| static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
| { |
| *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions); |
| return cap9adk_nand_partitions; |
| } |
| |
| static struct atmel_nand_data __initdata cap9adk_nand_data = { |
| .ale = 21, |
| .cle = 22, |
| // .det_pin = ... not connected |
| // .rdy_pin = ... not connected |
| .enable_pin = AT91_PIN_PD15, |
| .partition_info = nand_partitions, |
| #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
| .bus_width_16 = 1, |
| #else |
| .bus_width_16 = 0, |
| #endif |
| }; |
| |
| |
| /* |
| * NOR flash |
| */ |
| static struct mtd_partition cap9adk_nor_partitions[] = { |
| { |
| .name = "NOR partition", |
| .offset = 0, |
| .size = MTDPART_SIZ_FULL, |
| }, |
| }; |
| |
| static struct physmap_flash_data cap9adk_nor_data = { |
| .width = 2, |
| .parts = cap9adk_nor_partitions, |
| .nr_parts = ARRAY_SIZE(cap9adk_nor_partitions), |
| }; |
| |
| #define NOR_BASE AT91_CHIPSELECT_0 |
| #define NOR_SIZE 0x800000 |
| |
| static struct resource nor_flash_resources[] = { |
| { |
| .start = NOR_BASE, |
| .end = NOR_BASE + NOR_SIZE - 1, |
| .flags = IORESOURCE_MEM, |
| } |
| }; |
| |
| static struct platform_device cap9adk_nor_flash = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &cap9adk_nor_data, |
| }, |
| .resource = nor_flash_resources, |
| .num_resources = ARRAY_SIZE(nor_flash_resources), |
| }; |
| |
| static __init void cap9adk_add_device_nor(void) |
| { |
| unsigned long csa; |
| |
| csa = at91_sys_read(AT91_MATRIX_EBICSA); |
| at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); |
| |
| /* set the bus interface characteristics */ |
| at91_sys_write(AT91_SMC_SETUP(0), AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2) |
| | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2)); |
| |
| at91_sys_write(AT91_SMC_PULSE(0), AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10) |
| | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10)); |
| |
| at91_sys_write(AT91_SMC_CYCLE(0), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); |
| |
| at91_sys_write(AT91_SMC_MODE(0), AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
| | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE |
| | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); |
| |
| platform_device_register(&cap9adk_nor_flash); |
| } |
| |
| |
| /* |
| * 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 = "TX09D70VM1CCA", |
| |
| .modedb = at91_tft_vga_modes, |
| .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), |
| .hfmin = 15000, |
| .hfmax = 64000, |
| .vfmin = 50, |
| .vfmax = 150, |
| }; |
| |
| #define AT91CAP9_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_PC0, 0); /* power up */ |
| else |
| at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */ |
| } |
| |
| /* Driver datas */ |
| static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = { |
| .default_bpp = 16, |
| .default_dmacon = ATMEL_LCDC_DMAEN, |
| .default_lcdcon2 = AT91CAP9_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 cap9adk_lcdc_data; |
| #endif |
| |
| |
| /* |
| * AC97 |
| */ |
| static struct atmel_ac97_data cap9adk_ac97_data = { |
| // .reset_pin = ... not connected |
| }; |
| |
| |
| static void __init cap9adk_board_init(void) |
| { |
| /* Serial */ |
| at91_add_device_serial(); |
| /* USB Host */ |
| set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH); |
| at91_add_device_usbh(&cap9adk_usbh_data); |
| /* USB HS */ |
| set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH); |
| at91_add_device_usba(&cap9adk_usba_udc_data); |
| /* SPI */ |
| at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices)); |
| /* Touchscreen */ |
| cap9adk_add_device_ts(); |
| /* MMC */ |
| at91_add_device_mmc(1, &cap9adk_mmc_data); |
| /* Ethernet */ |
| at91_add_device_eth(&cap9adk_macb_data); |
| /* NAND */ |
| at91_add_device_nand(&cap9adk_nand_data); |
| /* NOR Flash */ |
| cap9adk_add_device_nor(); |
| /* I2C */ |
| at91_add_device_i2c(NULL, 0); |
| /* LCD Controller */ |
| set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH); |
| at91_add_device_lcdc(&cap9adk_lcdc_data); |
| /* AC97 */ |
| at91_add_device_ac97(&cap9adk_ac97_data); |
| } |
| |
| MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK") |
| /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */ |
| .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 = cap9adk_map_io, |
| .init_irq = cap9adk_init_irq, |
| .init_machine = cap9adk_board_init, |
| MACHINE_END |