[ARM] 5290/1: [AT91] Add support for the Adeneo NeoCore 926 board

Add support for the Adeneo NeoCore 926 board.

Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 397 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/board-neocore926.c b/arch/arm/mach-at91/board-neocore926.c
new file mode 100644
index 000000000000..9ba7ba2cc3b1
--- /dev/null
+++ b/arch/arm/mach-at91/board-neocore926.c
@@ -0,0 +1,397 @@
+/*
+ * linux/arch/arm/mach-at91/board-neocore926.c
+ *
+ *  Copyright (C) 2005 SAN People
+ *  Copyright (C) 2007 Atmel Corporation
+ *  Copyright (C) 2008 ADENEO.
+ *
+ * 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/gpio_keys.h>
+#include <linux/input.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/sizes.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 "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init neocore926_map_io(void)
+{
+	/* Initialize processor: 20 MHz crystal */
+	at91sam9263_initialize(20000000);
+
+	/* DGBU 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 neocore926_init_irq(void)
+{
+	at91sam9263_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata neocore926_usbh_data = {
+	.ports		= 2,
+	.vbus_pin	= { AT91_PIN_PA24, AT91_PIN_PA21 },
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata neocore926_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 neocore926_add_device_ts(void)
+{
+	at91_set_B_periph(AT91_PIN_PA15, 1);	/* External IRQ1, with pullup */
+	at91_set_gpio_input(AT91_PIN_PC13, 1);	/* Touchscreen BUSY signal */
+}
+#else
+static void __init neocore926_add_device_ts(void) {}
+#endif
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info neocore926_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	= 1,
+		.max_speed_hz	= 125000 * 16,
+		.bus_num	= 0,
+		.platform_data	= &ads_info,
+		.irq		= AT91SAM9263_ID_IRQ1,
+	},
+#endif
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata neocore926_mmc_data = {
+	.wire4		= 1,
+	.det_pin	= AT91_PIN_PE18,
+	.wp_pin		= AT91_PIN_PE19,
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata neocore926_macb_data = {
+	.phy_irq_pin	= AT91_PIN_PE31,
+	.is_rmii	= 1,
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata neocore926_nand_partition[] = {
+	{
+		.name	= "Linux Kernel",	/* "Partition 1", */
+		.offset	= 0,
+		.size	= SZ_8M,
+	},
+	{
+		.name	= "Filesystem",		/* "Partition 2", */
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= SZ_32M,
+	},
+	{
+		.name	= "Free",		/* "Partition 3", */
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+	*num_partitions = ARRAY_SIZE(neocore926_nand_partition);
+	return neocore926_nand_partition;
+}
+
+static struct atmel_nand_data __initdata neocore926_nand_data = {
+	.ale			= 21,
+	.cle			= 22,
+	.rdy_pin		= AT91_PIN_PB19,
+	.rdy_pin_active_low	= 1,
+	.enable_pin		= AT91_PIN_PD15,
+	.partition_info		= nand_partitions,
+};
+
+static struct sam9_smc_config __initdata neocore926_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 1,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 1,
+
+	.ncs_read_pulse		= 4,
+	.nrd_pulse		= 4,
+	.ncs_write_pulse	= 4,
+	.nwe_pulse		= 4,
+
+	.read_cycle		= 6,
+	.write_cycle		= 6,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+	.tdf_cycles		= 2,
+};
+
+static void __init neocore926_add_device_nand(void)
+{
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(3, &neocore926_nand_smc_config);
+
+	at91_add_device_nand(&neocore926_nand_data);
+}
+
+
+/*
+ * 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(5000),
+
+		.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 neocore926_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,
+	.lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB555,
+};
+
+#else
+static struct atmel_lcdfb_info __initdata neocore926_lcdc_data;
+#endif
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button neocore926_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 neocore926_button_data = {
+	.buttons	= neocore926_buttons,
+	.nbuttons	= ARRAY_SIZE(neocore926_buttons),
+};
+
+static struct platform_device neocore926_button_device = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &neocore926_button_data,
+	}
+};
+
+static void __init neocore926_add_device_buttons(void)
+{
+	at91_set_GPIO_periph(AT91_PIN_PC5, 0);	/* left button */
+	at91_set_deglitch(AT91_PIN_PC5, 1);
+	at91_set_GPIO_periph(AT91_PIN_PC4, 0);	/* right button */
+	at91_set_deglitch(AT91_PIN_PC4, 1);
+
+	platform_device_register(&neocore926_button_device);
+}
+#else
+static void __init neocore926_add_device_buttons(void) {}
+#endif
+
+
+/*
+ * AC97
+ */
+static struct atmel_ac97_data neocore926_ac97_data = {
+	.reset_pin	= AT91_PIN_PA13,
+};
+
+
+static void __init neocore926_board_init(void)
+{
+	/* Serial */
+	at91_add_device_serial();
+
+	/* USB Host */
+	at91_add_device_usbh(&neocore926_usbh_data);
+
+	/* USB Device */
+	at91_add_device_udc(&neocore926_udc_data);
+
+	/* SPI */
+	at91_set_gpio_output(AT91_PIN_PE20, 1);		/* select spi0 clock */
+	at91_add_device_spi(neocore926_spi_devices, ARRAY_SIZE(neocore926_spi_devices));
+
+	/* Touchscreen */
+	neocore926_add_device_ts();
+
+	/* MMC */
+	at91_add_device_mmc(1, &neocore926_mmc_data);
+
+	/* Ethernet */
+	at91_add_device_eth(&neocore926_macb_data);
+
+	/* NAND */
+	neocore926_add_device_nand();
+
+	/* I2C */
+	at91_add_device_i2c(NULL, 0);
+
+	/* LCD Controller */
+	at91_add_device_lcdc(&neocore926_lcdc_data);
+
+	/* Push Buttons */
+	neocore926_add_device_buttons();
+
+	/* AC97 */
+	at91_add_device_ac97(&neocore926_ac97_data);
+}
+
+MACHINE_START(NEOCORE926, "ADENEO NEOCORE 926")
+	/* Maintainer: ADENEO */
+	.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		= neocore926_map_io,
+	.init_irq	= neocore926_init_irq,
+	.init_machine	= neocore926_board_init,
+MACHINE_END