mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
320 lines
6.8 KiB
C
320 lines
6.8 KiB
C
/*
|
|
* Copyright (C) 2005 SAN People
|
|
* Copyright (C) 2007 Atmel Corporation
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file COPYING in the main directory of this archive for
|
|
* more details.
|
|
*/
|
|
|
|
#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/fb.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/input.h>
|
|
#include <linux/gpio_keys.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: 12.000 MHz crystal */
|
|
at91sam9rl_initialize(12000000);
|
|
|
|
/* DGBU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
|
|
at91_register_uart(AT91SAM9RL_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)
|
|
{
|
|
at91sam9rl_init_interrupts(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* USB HS Device port
|
|
*/
|
|
static struct usba_platform_data __initdata ek_usba_udc_data = {
|
|
.vbus_pin = AT91_PIN_PA8,
|
|
};
|
|
|
|
|
|
/*
|
|
* MCI (SD/MMC)
|
|
*/
|
|
static struct at91_mmc_data __initdata ek_mmc_data = {
|
|
.wire4 = 1,
|
|
.det_pin = AT91_PIN_PA15,
|
|
// .wp_pin = ... not connected
|
|
// .vcc_pin = ... not connected
|
|
};
|
|
|
|
|
|
/*
|
|
* NAND flash
|
|
*/
|
|
static struct mtd_partition __initdata ek_nand_partition[] = {
|
|
{
|
|
.name = "Partition 1",
|
|
.offset = 0,
|
|
.size = SZ_256K,
|
|
},
|
|
{
|
|
.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_PD17,
|
|
.enable_pin = AT91_PIN_PB6,
|
|
.partition_info = nand_partitions,
|
|
};
|
|
|
|
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 | AT91_SMC_DBW_8,
|
|
.tdf_cycles = 2,
|
|
};
|
|
|
|
static void __init ek_add_device_nand(void)
|
|
{
|
|
/* configure chip-select 3 (NAND) */
|
|
sam9_smc_configure(3, &ek_nand_smc_config);
|
|
|
|
at91_add_device_nand(&ek_nand_data);
|
|
}
|
|
|
|
|
|
/*
|
|
* SPI devices
|
|
*/
|
|
static struct spi_board_info ek_spi_devices[] = {
|
|
{ /* DataFlash chip */
|
|
.modalias = "mtd_dataflash",
|
|
.chip_select = 0,
|
|
.max_speed_hz = 15 * 1000 * 1000,
|
|
.bus_num = 0,
|
|
},
|
|
};
|
|
|
|
|
|
/*
|
|
* 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 = "TX09D50VM1CCA",
|
|
|
|
.modedb = at91_tft_vga_modes,
|
|
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
|
|
.hfmin = 15000,
|
|
.hfmax = 64000,
|
|
.vfmin = 50,
|
|
.vfmax = 150,
|
|
};
|
|
|
|
#define AT91SAM9RL_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_PC1, 0); /* power up */
|
|
else
|
|
at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */
|
|
}
|
|
|
|
/* 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 = AT91SAM9RL_DEFAULT_LCDCON2,
|
|
.default_monspecs = &at91fb_default_monspecs,
|
|
.atmel_lcdfb_power_control = at91_lcdc_power_control,
|
|
.guard_time = 1,
|
|
.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
|
|
};
|
|
|
|
#else
|
|
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
|
|
#endif
|
|
|
|
|
|
/*
|
|
* LEDs
|
|
*/
|
|
static struct gpio_led ek_leds[] = {
|
|
{ /* "bottom" led, green, userled1 to be defined */
|
|
.name = "ds1",
|
|
.gpio = AT91_PIN_PD15,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
},
|
|
{ /* "bottom" led, green, userled2 to be defined */
|
|
.name = "ds2",
|
|
.gpio = AT91_PIN_PD16,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
},
|
|
{ /* "power" led, yellow */
|
|
.name = "ds3",
|
|
.gpio = AT91_PIN_PD14,
|
|
.default_trigger = "heartbeat",
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
* GPIO Buttons
|
|
*/
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
static struct gpio_keys_button ek_buttons[] = {
|
|
{
|
|
.gpio = AT91_PIN_PB0,
|
|
.code = BTN_2,
|
|
.desc = "Right Click",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.gpio = AT91_PIN_PB1,
|
|
.code = BTN_1,
|
|
.desc = "Left Click",
|
|
.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_PB1, 1); /* btn1 */
|
|
at91_set_deglitch(AT91_PIN_PB1, 1);
|
|
at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */
|
|
at91_set_deglitch(AT91_PIN_PB0, 1);
|
|
|
|
platform_device_register(&ek_button_device);
|
|
}
|
|
#else
|
|
static void __init ek_add_device_buttons(void) {}
|
|
#endif
|
|
|
|
|
|
static void __init ek_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* USB HS */
|
|
at91_add_device_usba(&ek_usba_udc_data);
|
|
/* I2C */
|
|
at91_add_device_i2c(NULL, 0);
|
|
/* NAND */
|
|
ek_add_device_nand();
|
|
/* SPI */
|
|
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
|
|
/* MMC */
|
|
at91_add_device_mmc(0, &ek_mmc_data);
|
|
/* LCD Controller */
|
|
at91_add_device_lcdc(&ek_lcdc_data);
|
|
/* Touch Screen Controller */
|
|
at91_add_device_tsadcc();
|
|
/* LEDs */
|
|
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
|
|
/* Push Buttons */
|
|
ek_add_device_buttons();
|
|
}
|
|
|
|
MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-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
|