[ARM] 4765/1: [AT91] AT91CAP9A-DK board support (86640cae) · Commits · e / devices / android_kernel_fairphone_FP4

arch/arm/configs/at91cap9adk_defconfig

0 → 100644

+1143 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/arm/mach-at91/Kconfig

+17 −2

Original line number	Diff line number	Diff line
		@@ -181,6 +181,21 @@ endif

		# ----------------------------------------------------------

		if ARCH_AT91CAP9

		comment "AT91CAP9 Board Type"

		config MACH_AT91CAP9ADK
		bool "Atmel AT91CAP9A-DK Evaluation Kit"
		depends on ARCH_AT91CAP9
		help
		Select this if you are using Atmel's AT91CAP9A-DK Evaluation Kit.
		<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4138>

		endif

		# ----------------------------------------------------------

		if ARCH_AT91X40

		comment "AT91X40 Board Type"
		@@ -201,13 +216,13 @@ comment "AT91 Board Options"

		config MTD_AT91_DATAFLASH_CARD
		bool "Enable DataFlash Card support"
		depends on (ARCH_AT91RM9200DK \|\| MACH_AT91RM9200EK \|\| MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK)
		depends on (ARCH_AT91RM9200DK \|\| MACH_AT91RM9200EK \|\| MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91CAP9ADK)
		help
		Enable support for the DataFlash card.

		config MTD_NAND_AT91_BUSWIDTH_16
		bool "Enable 16-bit data bus interface to NAND flash"
		depends on (MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK)
		depends on (MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91CAP9ADK)
		help
		On AT91SAM926x boards both types of NAND flash can be present
		(8 and 16 bit data bus width).

arch/arm/mach-at91/Makefile

+3 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,9 @@ obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o
		# AT91SAM9RL board-specific support
		obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o

		# AT91CAP9 board-specific support
		obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o

		# AT91X40 board-specific support
		obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o

arch/arm/mach-at91/board-cap9adk.c

0 → 100644

+359 −0

Original line number	Diff line number	Diff line
		/*
		* 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/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/at91sam926x_mc.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,
		};


		/*
		* 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 at91_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_AT91_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, IRQT_HIGH);
		at91_add_device_usbh(&cap9adk_usbh_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, IRQT_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