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/*
* 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 <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/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_PA30, 0); /* power up */
else
at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */
}
/* Driver datas */
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.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,
};
#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#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();
}
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
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