465 lines
10 KiB
C
465 lines
10 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-sam9263ek.c
|
|
*
|
|
* 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/i2c/at24.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/input.h>
|
|
#include <linux/leds.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: 16.367 MHz crystal */
|
|
at91sam9263_initialize(16367660);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
|
|
at91_register_uart(AT91SAM9263_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)
|
|
{
|
|
at91sam9263_init_interrupts(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* USB Host port
|
|
*/
|
|
static struct at91_usbh_data __initdata ek_usbh_data = {
|
|
.ports = 2,
|
|
.vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
|
|
};
|
|
|
|
/*
|
|
* USB Device port
|
|
*/
|
|
static struct at91_udc_data __initdata ek_udc_data = {
|
|
.vbus_pin = AT91_PIN_PA25,
|
|
.pullup_pin = 0, /* pull-up driven by UDC */
|
|
};
|
|
|
|
|
|
/*
|
|
* 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_PA15); /* 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 ek_add_device_ts(void)
|
|
{
|
|
at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
|
|
at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
|
|
}
|
|
#else
|
|
static void __init ek_add_device_ts(void) {}
|
|
#endif
|
|
|
|
/*
|
|
* SPI devices.
|
|
*/
|
|
static struct spi_board_info ek_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,
|
|
.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
|
|
.bus_num = 0,
|
|
.platform_data = &ads_info,
|
|
.irq = AT91SAM9263_ID_IRQ1,
|
|
},
|
|
#endif
|
|
};
|
|
|
|
|
|
/*
|
|
* MCI (SD/MMC)
|
|
*/
|
|
static struct at91_mmc_data __initdata ek_mmc_data = {
|
|
.wire4 = 1,
|
|
.det_pin = AT91_PIN_PE18,
|
|
.wp_pin = AT91_PIN_PE19,
|
|
// .vcc_pin = ... not connected
|
|
};
|
|
|
|
|
|
/*
|
|
* MACB Ethernet device
|
|
*/
|
|
static struct at91_eth_data __initdata ek_macb_data = {
|
|
.phy_irq_pin = AT91_PIN_PE31,
|
|
.is_rmii = 1,
|
|
};
|
|
|
|
|
|
/*
|
|
* NAND flash
|
|
*/
|
|
static struct mtd_partition __initdata ek_nand_partition[] = {
|
|
{
|
|
.name = "Partition 1",
|
|
.offset = 0,
|
|
.size = SZ_64M,
|
|
},
|
|
{
|
|
.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_PA22,
|
|
.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
|
|
};
|
|
|
|
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,
|
|
.tdf_cycles = 2,
|
|
};
|
|
|
|
static void __init ek_add_device_nand(void)
|
|
{
|
|
/* setup bus-width (8 or 16) */
|
|
if (ek_nand_data.bus_width_16)
|
|
ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
|
|
else
|
|
ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
|
|
|
|
/* configure chip-select 3 (NAND) */
|
|
sam9_smc_configure(3, &ek_nand_smc_config);
|
|
|
|
at91_add_device_nand(&ek_nand_data);
|
|
}
|
|
|
|
|
|
/*
|
|
* I2C devices
|
|
*/
|
|
static struct at24_platform_data at24c512 = {
|
|
.byte_len = SZ_512K / 8,
|
|
.page_size = 128,
|
|
.flags = AT24_FLAG_ADDR16,
|
|
};
|
|
|
|
|
|
static struct i2c_board_info __initdata ek_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("24c512", 0x50),
|
|
.platform_data = &at24c512,
|
|
},
|
|
/* more devices can be added using expansion connectors */
|
|
};
|
|
|
|
/*
|
|
* 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 AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
|
|
| ATMEL_LCDC_DISTYPE_TFT \
|
|
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
|
|
|
|
static void at91_lcdc_power_control(int on)
|
|
{
|
|
at91_set_gpio_value(AT91_PIN_PA30, on);
|
|
}
|
|
|
|
/* Driver datas */
|
|
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
|
|
.lcdcon_is_backlight = true,
|
|
.default_bpp = 16,
|
|
.default_dmacon = ATMEL_LCDC_DMAEN,
|
|
.default_lcdcon2 = AT91SAM9263_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
|
|
|
|
|
|
/*
|
|
* GPIO Buttons
|
|
*/
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
static struct gpio_keys_button ek_buttons[] = {
|
|
{ /* BP1, "leftclic" */
|
|
.code = BTN_LEFT,
|
|
.gpio = AT91_PIN_PC5,
|
|
.active_low = 1,
|
|
.desc = "left_click",
|
|
.wakeup = 1,
|
|
},
|
|
{ /* BP2, "rightclic" */
|
|
.code = BTN_RIGHT,
|
|
.gpio = AT91_PIN_PC4,
|
|
.active_low = 1,
|
|
.desc = "right_click",
|
|
.wakeup = 1,
|
|
}
|
|
};
|
|
|
|
static struct gpio_keys_platform_data ek_button_data = {
|
|
.buttons = ek_buttons,
|
|
.nbuttons = ARRAY_SIZE(ek_buttons),
|
|
};
|
|
|
|
static struct platform_device ek_button_device = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.num_resources = 0,
|
|
.dev = {
|
|
.platform_data = &ek_button_data,
|
|
}
|
|
};
|
|
|
|
static void __init ek_add_device_buttons(void)
|
|
{
|
|
at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
|
|
at91_set_deglitch(AT91_PIN_PC5, 1);
|
|
at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
|
|
at91_set_deglitch(AT91_PIN_PC4, 1);
|
|
|
|
platform_device_register(&ek_button_device);
|
|
}
|
|
#else
|
|
static void __init ek_add_device_buttons(void) {}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* AC97
|
|
* reset_pin is not connected: NRST
|
|
*/
|
|
static struct ac97c_platform_data ek_ac97_data = {
|
|
};
|
|
|
|
|
|
/*
|
|
* LEDs ... these could all be PWM-driven, for variable brightness
|
|
*/
|
|
static struct gpio_led ek_leds[] = {
|
|
{ /* "right" led, green, userled2 (could be driven by pwm2) */
|
|
.name = "ds2",
|
|
.gpio = AT91_PIN_PC29,
|
|
.active_low = 1,
|
|
.default_trigger = "nand-disk",
|
|
},
|
|
{ /* "power" led, yellow (could be driven by pwm0) */
|
|
.name = "ds3",
|
|
.gpio = AT91_PIN_PB7,
|
|
.default_trigger = "heartbeat",
|
|
}
|
|
};
|
|
|
|
/*
|
|
* PWM Leds
|
|
*/
|
|
static struct gpio_led ek_pwm_led[] = {
|
|
/* For now only DS1 is PWM-driven (by pwm1) */
|
|
{
|
|
.name = "ds1",
|
|
.gpio = 1, /* is PWM channel number */
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
}
|
|
};
|
|
|
|
/*
|
|
* CAN
|
|
*/
|
|
static void sam9263ek_transceiver_switch(int on)
|
|
{
|
|
if (on) {
|
|
at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
|
|
at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
|
|
} else {
|
|
at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
|
|
at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
|
|
}
|
|
}
|
|
|
|
static struct at91_can_data ek_can_data = {
|
|
.transceiver_switch = sam9263ek_transceiver_switch,
|
|
};
|
|
|
|
static void __init ek_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* USB Host */
|
|
at91_add_device_usbh(&ek_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&ek_udc_data);
|
|
/* SPI */
|
|
at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
|
|
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
|
|
/* Touchscreen */
|
|
ek_add_device_ts();
|
|
/* MMC */
|
|
at91_add_device_mmc(1, &ek_mmc_data);
|
|
/* Ethernet */
|
|
at91_add_device_eth(&ek_macb_data);
|
|
/* NAND */
|
|
ek_add_device_nand();
|
|
/* I2C */
|
|
at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
|
|
/* LCD Controller */
|
|
at91_add_device_lcdc(&ek_lcdc_data);
|
|
/* Push Buttons */
|
|
ek_add_device_buttons();
|
|
/* AC97 */
|
|
at91_add_device_ac97(&ek_ac97_data);
|
|
/* LEDs */
|
|
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
|
|
at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
|
|
/* CAN */
|
|
at91_add_device_can(&ek_can_data);
|
|
}
|
|
|
|
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-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
|