327 строки
7.0 KiB
C
327 строки
7.0 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-at572d940hf_ek.c
|
|
*
|
|
* Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
|
|
* Copyright (C) 2005 SAN People
|
|
*
|
|
* 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/ds1305.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/mtd/physmap.h>
|
|
|
|
#include <mach/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 <mach/board.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/at91sam9_smc.h>
|
|
|
|
#include "sam9_smc.h"
|
|
#include "generic.h"
|
|
|
|
|
|
static void __init eb_map_io(void)
|
|
{
|
|
/* Initialize processor: 12.500 MHz crystal */
|
|
at572d940hf_initialize(12000000);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART0 on ttyS1. (Rx & Tx only) */
|
|
at91_register_uart(AT572D940HF_ID_US0, 1, 0);
|
|
|
|
/* USART1 on ttyS2. (Rx & Tx only) */
|
|
at91_register_uart(AT572D940HF_ID_US1, 2, 0);
|
|
|
|
/* USART2 on ttyS3. (Tx & Rx only */
|
|
at91_register_uart(AT572D940HF_ID_US2, 3, 0);
|
|
|
|
/* set serial console to ttyS0 (ie, DBGU) */
|
|
at91_set_serial_console(0);
|
|
}
|
|
|
|
static void __init eb_init_irq(void)
|
|
{
|
|
at572d940hf_init_interrupts(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
* USB Host Port
|
|
*/
|
|
static struct at91_usbh_data __initdata eb_usbh_data = {
|
|
.ports = 2,
|
|
};
|
|
|
|
|
|
/*
|
|
* USB Device Port
|
|
*/
|
|
static struct at91_udc_data __initdata eb_udc_data = {
|
|
.vbus_pin = 0, /* no VBUS detection,UDC always on */
|
|
.pullup_pin = 0, /* pull-up driven by UDC */
|
|
};
|
|
|
|
|
|
/*
|
|
* MCI (SD/MMC)
|
|
*/
|
|
static struct at91_mmc_data __initdata eb_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 eb_eth_data = {
|
|
.phy_irq_pin = AT91_PIN_PB25,
|
|
.is_rmii = 1,
|
|
};
|
|
|
|
/*
|
|
* NOR flash
|
|
*/
|
|
|
|
static struct mtd_partition eb_nor_partitions[] = {
|
|
{
|
|
.name = "Raw Environment",
|
|
.offset = 0,
|
|
.size = SZ_4M,
|
|
.mask_flags = 0,
|
|
},
|
|
{
|
|
.name = "OS FS",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 3 * SZ_1M,
|
|
.mask_flags = 0,
|
|
},
|
|
{
|
|
.name = "APP FS",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0,
|
|
},
|
|
};
|
|
|
|
static void nor_flash_set_vpp(struct map_info* mi, int i) {
|
|
};
|
|
|
|
static struct physmap_flash_data nor_flash_data = {
|
|
.width = 4,
|
|
.parts = eb_nor_partitions,
|
|
.nr_parts = ARRAY_SIZE(eb_nor_partitions),
|
|
.set_vpp = nor_flash_set_vpp,
|
|
};
|
|
|
|
static struct resource nor_flash_resources[] = {
|
|
{
|
|
.start = AT91_CHIPSELECT_0,
|
|
.end = AT91_CHIPSELECT_0 + SZ_16M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device nor_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &nor_flash_data,
|
|
},
|
|
.resource = nor_flash_resources,
|
|
.num_resources = ARRAY_SIZE(nor_flash_resources),
|
|
};
|
|
|
|
static struct sam9_smc_config __initdata eb_nor_smc_config = {
|
|
.ncs_read_setup = 1,
|
|
.nrd_setup = 1,
|
|
.ncs_write_setup = 1,
|
|
.nwe_setup = 1,
|
|
|
|
.ncs_read_pulse = 7,
|
|
.nrd_pulse = 7,
|
|
.ncs_write_pulse = 7,
|
|
.nwe_pulse = 7,
|
|
|
|
.read_cycle = 9,
|
|
.write_cycle = 9,
|
|
|
|
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
|
|
.tdf_cycles = 1,
|
|
};
|
|
|
|
static void __init eb_add_device_nor(void)
|
|
{
|
|
/* configure chip-select 0 (NOR) */
|
|
sam9_smc_configure(0, &eb_nor_smc_config);
|
|
platform_device_register(&nor_flash);
|
|
}
|
|
|
|
/*
|
|
* NAND flash
|
|
*/
|
|
static struct mtd_partition __initdata eb_nand_partition[] = {
|
|
{
|
|
.name = "Partition 1",
|
|
.offset = 0,
|
|
.size = SZ_16M,
|
|
},
|
|
{
|
|
.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(eb_nand_partition);
|
|
return eb_nand_partition;
|
|
}
|
|
|
|
static struct atmel_nand_data __initdata eb_nand_data = {
|
|
.ale = 22,
|
|
.cle = 21,
|
|
/* .det_pin = ... not connected */
|
|
/* .rdy_pin = AT91_PIN_PC16, */
|
|
.enable_pin = AT91_PIN_PA15,
|
|
.partition_info = nand_partitions,
|
|
#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
|
|
.bus_width_16 = 1,
|
|
#else
|
|
.bus_width_16 = 0,
|
|
#endif
|
|
};
|
|
|
|
static struct sam9_smc_config __initdata eb_nand_smc_config = {
|
|
.ncs_read_setup = 0,
|
|
.nrd_setup = 0,
|
|
.ncs_write_setup = 1,
|
|
.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,
|
|
.tdf_cycles = 12,
|
|
};
|
|
|
|
static void __init eb_add_device_nand(void)
|
|
{
|
|
/* setup bus-width (8 or 16) */
|
|
if (eb_nand_data.bus_width_16)
|
|
eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
|
|
else
|
|
eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
|
|
|
|
/* configure chip-select 3 (NAND) */
|
|
sam9_smc_configure(3, &eb_nand_smc_config);
|
|
|
|
at91_add_device_nand(&eb_nand_data);
|
|
}
|
|
|
|
|
|
/*
|
|
* SPI devices
|
|
*/
|
|
static struct resource rtc_resources[] = {
|
|
[0] = {
|
|
.start = AT572D940HF_ID_IRQ1,
|
|
.end = AT572D940HF_ID_IRQ1,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct ds1305_platform_data ds1306_data = {
|
|
.is_ds1306 = true,
|
|
.en_1hz = false,
|
|
};
|
|
|
|
static struct spi_board_info eb_spi_devices[] = {
|
|
{ /* RTC Dallas DS1306 */
|
|
.modalias = "rtc-ds1305",
|
|
.chip_select = 3,
|
|
.mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
|
|
.max_speed_hz = 500000,
|
|
.bus_num = 0,
|
|
.irq = AT572D940HF_ID_IRQ1,
|
|
.platform_data = (void *) &ds1306_data,
|
|
},
|
|
#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
|
|
};
|
|
|
|
static void __init eb_board_init(void)
|
|
{
|
|
/* Serial */
|
|
at91_add_device_serial();
|
|
/* USB Host */
|
|
at91_add_device_usbh(&eb_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&eb_udc_data);
|
|
/* I2C */
|
|
at91_add_device_i2c(NULL, 0);
|
|
/* NOR */
|
|
eb_add_device_nor();
|
|
/* NAND */
|
|
eb_add_device_nand();
|
|
/* SPI */
|
|
at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
|
|
/* MMC */
|
|
at91_add_device_mmc(0, &eb_mmc_data);
|
|
/* Ethernet */
|
|
at91_add_device_eth(&eb_eth_data);
|
|
/* mAgic */
|
|
at91_add_device_mAgic();
|
|
}
|
|
|
|
MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
|
|
/* Maintainer: Atmel <costa.antonior@gmail.com> */
|
|
.boot_params = AT91_SDRAM_BASE + 0x100,
|
|
.timer = &at91sam926x_timer,
|
|
.map_io = eb_map_io,
|
|
.init_irq = eb_init_irq,
|
|
.init_machine = eb_board_init,
|
|
MACHINE_END
|