1 files changed, 453 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
new file mode 100644
index 00000000..2ffe50f3
--- /dev/null
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -0,0 +1,453 @@
+/*
+ * 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/gpio.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/at91sam9_smc.h>
+#include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init ek_init_early(void)
+{
+	/* Initialize processor: 16.367 MHz crystal */
+	at91_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);
+}
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+	.ports		= 2,
+	.vbus_pin	= { AT91_PIN_PA24, AT91_PIN_PA21 },
+	.vbus_pin_active_low = {1, 1},
+	.overcurrent_pin= {-EINVAL, -EINVAL},
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+	.vbus_pin	= AT91_PIN_PA25,
+	.pullup_pin	= -EINVAL,		/* 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	= -EINVAL,
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct macb_platform_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 atmel_nand_data __initdata ek_nand_data = {
+	.ale		= 21,
+	.cle		= 22,
+	.det_pin	= -EINVAL,
+	.rdy_pin	= AT91_PIN_PA22,
+	.enable_pin	= AT91_PIN_PD15,
+	.ecc_mode	= NAND_ECC_SOFT,
+	.on_flash_bbt	= 1,
+	.parts		= ek_nand_partition,
+	.num_parts	= ARRAY_SIZE(ek_nand_partition),
+};
+
+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)
+{
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
+	/* 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(0, 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 = {
+	.reset_pin	= -EINVAL,
+};
+
+
+/*
+ * 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 */
+	.timer		= &at91sam926x_timer,
+	.map_io		= at91_map_io,
+	.init_early	= ek_init_early,
+	.init_irq	= at91_init_irq_default,
+	.init_machine	= ek_board_init,
+MACHINE_END