64d72bbeeb
The sd/mmc data structure is not used if SPI is selected. The configuration of PIO on the board prevent from using both interfaces at the same time (board dependent). Remove the warnings at compilation time adding a preprocessor condition. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
636 lines
15 KiB
C
636 lines
15 KiB
C
/*
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* linux/arch/arm/mach-at91/board-sam9261ek.c
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*
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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#include <linux/spi/at73c213.h>
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#include <linux/clk.h>
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#include <linux/dm9000.h>
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#include <linux/fb.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <video/atmel_lcdc.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/board.h>
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#include <mach/gpio.h>
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#include <mach/at91sam9_smc.h>
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#include <mach/at91_shdwc.h>
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#include "sam9_smc.h"
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#include "generic.h"
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static void __init ek_map_io(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91sam9261_initialize(18432000);
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/* Setup the LEDs */
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at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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/* set serial console to ttyS0 (ie, DBGU) */
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at91_set_serial_console(0);
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}
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static void __init ek_init_irq(void)
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{
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at91sam9261_init_interrupts(NULL);
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}
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/*
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* DM9000 ethernet device
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*/
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#if defined(CONFIG_DM9000)
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static struct resource dm9000_resource[] = {
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[0] = {
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.start = AT91_CHIPSELECT_2,
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.end = AT91_CHIPSELECT_2 + 3,
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.flags = IORESOURCE_MEM
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},
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[1] = {
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.start = AT91_CHIPSELECT_2 + 0x44,
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.end = AT91_CHIPSELECT_2 + 0xFF,
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.flags = IORESOURCE_MEM
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},
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[2] = {
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.start = AT91_PIN_PC11,
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.end = AT91_PIN_PC11,
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.flags = IORESOURCE_IRQ
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| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
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}
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};
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static struct dm9000_plat_data dm9000_platdata = {
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.flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
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};
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static struct platform_device dm9000_device = {
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.name = "dm9000",
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.id = 0,
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.num_resources = ARRAY_SIZE(dm9000_resource),
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.resource = dm9000_resource,
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.dev = {
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.platform_data = &dm9000_platdata,
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}
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};
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/*
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* SMC timings for the DM9000.
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* Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
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*/
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static struct sam9_smc_config __initdata dm9000_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 2,
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.ncs_write_setup = 0,
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.nwe_setup = 2,
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.ncs_read_pulse = 8,
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.nrd_pulse = 4,
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.ncs_write_pulse = 8,
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.nwe_pulse = 4,
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.read_cycle = 16,
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.write_cycle = 16,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
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.tdf_cycles = 1,
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};
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static void __init ek_add_device_dm9000(void)
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{
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/* Configure chip-select 2 (DM9000) */
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sam9_smc_configure(2, &dm9000_smc_config);
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/* Configure Reset signal as output */
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at91_set_gpio_output(AT91_PIN_PC10, 0);
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/* Configure Interrupt pin as input, no pull-up */
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at91_set_gpio_input(AT91_PIN_PC11, 0);
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platform_device_register(&dm9000_device);
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}
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#else
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static void __init ek_add_device_dm9000(void) {}
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#endif /* CONFIG_DM9000 */
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/*
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* USB Host Port
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*/
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static struct at91_usbh_data __initdata ek_usbh_data = {
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.ports = 2,
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};
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/*
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* USB Device Port
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*/
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PB29,
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.pullup_pin = 0, /* pull-up driven by UDC */
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};
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/*
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* NAND flash
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*/
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static struct mtd_partition __initdata ek_nand_partition[] = {
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{
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.name = "Partition 1",
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.offset = 0,
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.size = SZ_256K,
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},
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{
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.name = "Partition 2",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
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{
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*num_partitions = ARRAY_SIZE(ek_nand_partition);
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return ek_nand_partition;
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}
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static struct atmel_nand_data __initdata ek_nand_data = {
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.ale = 22,
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.cle = 21,
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// .det_pin = ... not connected
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.rdy_pin = AT91_PIN_PC15,
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.enable_pin = AT91_PIN_PC14,
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.partition_info = nand_partitions,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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#else
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.bus_width_16 = 0,
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#endif
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};
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static struct sam9_smc_config __initdata ek_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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.read_cycle = 5,
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.write_cycle = 5,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
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.tdf_cycles = 2,
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};
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static void __init ek_add_device_nand(void)
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{
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/* setup bus-width (8 or 16) */
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if (ek_nand_data.bus_width_16)
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ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(3, &ek_nand_smc_config);
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at91_add_device_nand(&ek_nand_data);
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}
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/*
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* SPI related devices
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*/
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#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
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/*
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* ADS7846 Touchscreen
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*/
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#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
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static int ads7843_pendown_state(void)
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{
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return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
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}
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static struct ads7846_platform_data ads_info = {
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.model = 7843,
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.x_min = 150,
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.x_max = 3830,
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.y_min = 190,
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.y_max = 3830,
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.vref_delay_usecs = 100,
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.x_plate_ohms = 450,
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.y_plate_ohms = 250,
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.pressure_max = 15000,
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.debounce_max = 1,
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.debounce_rep = 0,
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.debounce_tol = (~0),
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.get_pendown_state = ads7843_pendown_state,
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};
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static void __init ek_add_device_ts(void)
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{
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at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
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at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
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}
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#else
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static void __init ek_add_device_ts(void) {}
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#endif
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/*
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* Audio
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*/
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static struct at73c213_board_info at73c213_data = {
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.ssc_id = 1,
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#if defined(CONFIG_MACH_AT91SAM9261EK)
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.shortname = "AT91SAM9261-EK external DAC",
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#else
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.shortname = "AT91SAM9G10-EK external DAC",
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#endif
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};
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#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
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static void __init at73c213_set_clk(struct at73c213_board_info *info)
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{
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struct clk *pck2;
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struct clk *plla;
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pck2 = clk_get(NULL, "pck2");
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plla = clk_get(NULL, "plla");
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/* AT73C213 MCK Clock */
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at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
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clk_set_parent(pck2, plla);
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clk_put(plla);
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info->dac_clk = pck2;
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}
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#else
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static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
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#endif
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/*
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* SPI devices
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*/
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static struct spi_board_info ek_spi_devices[] = {
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
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{
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.modalias = "ads7846",
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.chip_select = 2,
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.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
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.bus_num = 0,
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.platform_data = &ads_info,
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.irq = AT91SAM9261_ID_IRQ0,
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.controller_data = (void *) AT91_PIN_PA28, /* CS pin */
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},
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#endif
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#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
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{ /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
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.modalias = "mtd_dataflash",
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.chip_select = 3,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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#elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
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{ /* AT73C213 DAC */
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.modalias = "at73c213",
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.chip_select = 3,
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.max_speed_hz = 10 * 1000 * 1000,
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.bus_num = 0,
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.mode = SPI_MODE_1,
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.platform_data = &at73c213_data,
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.controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
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},
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#endif
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};
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#else /* CONFIG_SPI_ATMEL_* */
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/*
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* MCI (SD/MMC)
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* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time
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*/
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static struct at91_mmc_data __initdata ek_mmc_data = {
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.wire4 = 1,
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// .det_pin = ... not connected
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// .wp_pin = ... not connected
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// .vcc_pin = ... not connected
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};
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#endif /* CONFIG_SPI_ATMEL_* */
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/*
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* LCD Controller
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*/
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#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
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#if defined(CONFIG_FB_ATMEL_STN)
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/* STN */
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static struct fb_videomode at91_stn_modes[] = {
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{
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.name = "SP06Q002 @ 75",
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.refresh = 75,
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.xres = 320, .yres = 240,
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.pixclock = KHZ2PICOS(1440),
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.left_margin = 1, .right_margin = 1,
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.upper_margin = 0, .lower_margin = 0,
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.hsync_len = 1, .vsync_len = 1,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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.vmode = FB_VMODE_NONINTERLACED,
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},
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};
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static struct fb_monspecs at91fb_default_stn_monspecs = {
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.manufacturer = "HIT",
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.monitor = "SP06Q002",
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.modedb = at91_stn_modes,
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.modedb_len = ARRAY_SIZE(at91_stn_modes),
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.hfmin = 15000,
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.hfmax = 64000,
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.vfmin = 50,
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.vfmax = 150,
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};
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#define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
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| ATMEL_LCDC_DISTYPE_STNMONO \
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| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
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| ATMEL_LCDC_IFWIDTH_4 \
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| ATMEL_LCDC_SCANMOD_SINGLE)
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static void at91_lcdc_stn_power_control(int on)
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{
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/* backlight */
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if (on) { /* power up */
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at91_set_gpio_value(AT91_PIN_PC14, 0);
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at91_set_gpio_value(AT91_PIN_PC15, 0);
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} else { /* power down */
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at91_set_gpio_value(AT91_PIN_PC14, 1);
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at91_set_gpio_value(AT91_PIN_PC15, 1);
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}
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}
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static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
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.default_bpp = 1,
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.default_dmacon = ATMEL_LCDC_DMAEN,
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.default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
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.default_monspecs = &at91fb_default_stn_monspecs,
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.atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
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.guard_time = 1,
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#if defined(CONFIG_MACH_AT91SAM9G10EK)
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.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
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#endif
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};
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#else
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/* TFT */
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static struct fb_videomode at91_tft_vga_modes[] = {
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{
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.name = "TX09D50VM1CCA @ 60",
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.refresh = 60,
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.xres = 240, .yres = 320,
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.pixclock = KHZ2PICOS(4965),
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.left_margin = 1, .right_margin = 33,
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.upper_margin = 1, .lower_margin = 0,
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.hsync_len = 5, .vsync_len = 1,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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.vmode = FB_VMODE_NONINTERLACED,
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},
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};
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static struct fb_monspecs at91fb_default_tft_monspecs = {
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.manufacturer = "HIT",
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.monitor = "TX09D50VM1CCA",
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.modedb = at91_tft_vga_modes,
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.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
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.hfmin = 15000,
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.hfmax = 64000,
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.vfmin = 50,
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.vfmax = 150,
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};
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#define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
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| ATMEL_LCDC_DISTYPE_TFT \
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| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
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static void at91_lcdc_tft_power_control(int on)
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{
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if (on)
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at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
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else
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at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
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}
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static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
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.lcdcon_is_backlight = true,
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.default_bpp = 16,
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.default_dmacon = ATMEL_LCDC_DMAEN,
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.default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
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.default_monspecs = &at91fb_default_tft_monspecs,
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.atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
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.guard_time = 1,
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#if defined(CONFIG_MACH_AT91SAM9G10EK)
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.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
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#endif
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};
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|
#endif
|
|
|
|
#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[] = {
|
|
{
|
|
.gpio = AT91_PIN_PA27,
|
|
.code = BTN_0,
|
|
.desc = "Button 0",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.gpio = AT91_PIN_PA26,
|
|
.code = BTN_1,
|
|
.desc = "Button 1",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.gpio = AT91_PIN_PA25,
|
|
.code = BTN_2,
|
|
.desc = "Button 2",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.gpio = AT91_PIN_PA24,
|
|
.code = BTN_3,
|
|
.desc = "Button 3",
|
|
.active_low = 1,
|
|
.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_input(AT91_PIN_PA27, 1); /* btn0 */
|
|
at91_set_deglitch(AT91_PIN_PA27, 1);
|
|
at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
|
|
at91_set_deglitch(AT91_PIN_PA26, 1);
|
|
at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
|
|
at91_set_deglitch(AT91_PIN_PA25, 1);
|
|
at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
|
|
at91_set_deglitch(AT91_PIN_PA24, 1);
|
|
|
|
platform_device_register(&ek_button_device);
|
|
}
|
|
#else
|
|
static void __init ek_add_device_buttons(void) {}
|
|
#endif
|
|
|
|
/*
|
|
* LEDs
|
|
*/
|
|
static struct gpio_led ek_leds[] = {
|
|
{ /* "bottom" led, green, userled1 to be defined */
|
|
.name = "ds7",
|
|
.gpio = AT91_PIN_PA14,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
},
|
|
{ /* "top" led, green, userled2 to be defined */
|
|
.name = "ds8",
|
|
.gpio = AT91_PIN_PA13,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
},
|
|
{ /* "power" led, yellow */
|
|
.name = "ds1",
|
|
.gpio = AT91_PIN_PA23,
|
|
.default_trigger = "heartbeat",
|
|
}
|
|
};
|
|
|
|
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);
|
|
/* I2C */
|
|
at91_add_device_i2c(NULL, 0);
|
|
/* NAND */
|
|
ek_add_device_nand();
|
|
/* DM9000 ethernet */
|
|
ek_add_device_dm9000();
|
|
|
|
/* spi0 and mmc/sd share the same PIO pins */
|
|
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
|
|
/* SPI */
|
|
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
|
|
/* Touchscreen */
|
|
ek_add_device_ts();
|
|
/* SSC (to AT73C213) */
|
|
at73c213_set_clk(&at73c213_data);
|
|
at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
|
|
#else
|
|
/* MMC */
|
|
at91_add_device_mmc(0, &ek_mmc_data);
|
|
#endif
|
|
/* LCD Controller */
|
|
at91_add_device_lcdc(&ek_lcdc_data);
|
|
/* Push Buttons */
|
|
ek_add_device_buttons();
|
|
/* LEDs */
|
|
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
|
|
}
|
|
|
|
#if defined(CONFIG_MACH_AT91SAM9261EK)
|
|
MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
|
|
#else
|
|
MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
|
|
#endif
|
|
/* 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
|