165 lines
3.9 KiB
C
165 lines
3.9 KiB
C
/*
|
|
* Copyright (C) 2009-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
|
|
*
|
|
* Copyright (C) 2007 Sascha Hauer, Pengutronix
|
|
*
|
|
* 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.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <net.h>
|
|
#include <init.h>
|
|
#include <environment.h>
|
|
#include <asm/armlinux.h>
|
|
#include <generated/mach-types.h>
|
|
#include <partition.h>
|
|
#include <fs.h>
|
|
#include <fcntl.h>
|
|
#include <io.h>
|
|
#include <asm/hardware.h>
|
|
#include <nand.h>
|
|
#include <linux/mtd/nand.h>
|
|
#include <mach/at91_pmc.h>
|
|
#include <mach/board.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/io.h>
|
|
#include <mach/at91sam9_smc.h>
|
|
#include <mach/sam9_smc.h>
|
|
#include <dm9000.h>
|
|
#include <linux/w1-gpio.h>
|
|
#include <w1_mac_address.h>
|
|
|
|
struct w1_gpio_platform_data w1_pdata = {
|
|
.pin = AT91_PIN_PA7,
|
|
.is_open_drain = 0,
|
|
};
|
|
|
|
static struct atmel_nand_data nand_pdata = {
|
|
.ale = 22,
|
|
.cle = 21,
|
|
.det_pin = -EINVAL,
|
|
.rdy_pin = AT91_PIN_PA16,
|
|
.enable_pin = AT91_PIN_PC14,
|
|
#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
|
|
.bus_width_16 = 1,
|
|
#else
|
|
.bus_width_16 = 0,
|
|
#endif
|
|
};
|
|
|
|
static struct sam9_smc_config pm_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,
|
|
.tdf_cycles = 2,
|
|
};
|
|
|
|
static void pm_add_device_nand(void)
|
|
{
|
|
/* setup bus-width (8 or 16) */
|
|
if (nand_pdata.bus_width_16)
|
|
pm_nand_smc_config.mode |= AT91_SMC_DBW_16;
|
|
else
|
|
pm_nand_smc_config.mode |= AT91_SMC_DBW_8;
|
|
|
|
/* configure chip-select 3 (NAND) */
|
|
sam9_smc_configure(3, &pm_nand_smc_config);
|
|
|
|
at91_add_device_nand(&nand_pdata);
|
|
}
|
|
|
|
/*
|
|
* DM9000 ethernet device
|
|
*/
|
|
#if defined(CONFIG_DRIVER_NET_DM9K)
|
|
static struct dm9000_platform_data dm9000_data = {
|
|
.srom = 1,
|
|
};
|
|
|
|
/*
|
|
* SMC timings for the DM9000.
|
|
* Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
|
|
*/
|
|
static struct sam9_smc_config __initdata dm9000_smc_config = {
|
|
.ncs_read_setup = 0,
|
|
.nrd_setup = 2,
|
|
.ncs_write_setup = 0,
|
|
.nwe_setup = 2,
|
|
|
|
.ncs_read_pulse = 8,
|
|
.nrd_pulse = 4,
|
|
.ncs_write_pulse = 8,
|
|
.nwe_pulse = 4,
|
|
|
|
.read_cycle = 16,
|
|
.write_cycle = 16,
|
|
|
|
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
|
|
.tdf_cycles = 1,
|
|
};
|
|
|
|
static void __init pm_add_device_dm9000(void)
|
|
{
|
|
w1_local_mac_address_register(0, "ron", "w1-1-0");
|
|
/* Configure chip-select 2 (DM9000) */
|
|
sam9_smc_configure(2, &dm9000_smc_config);
|
|
|
|
add_dm9000_device(0, AT91_CHIPSELECT_2, AT91_CHIPSELECT_2 + 4,
|
|
IORESOURCE_MEM_16BIT, &dm9000_data);
|
|
}
|
|
#else
|
|
static void __init pm_add_device_dm9000(void) {}
|
|
#endif /* CONFIG_DRIVER_NET_DM9K */
|
|
|
|
static int pm9261_mem_init(void)
|
|
{
|
|
at91_add_device_sdram(64 * 1024 * 1024);
|
|
|
|
return 0;
|
|
}
|
|
mem_initcall(pm9261_mem_init);
|
|
|
|
static int pm9261_devices_init(void)
|
|
{
|
|
pm_add_device_nand();
|
|
pm_add_device_dm9000();
|
|
add_cfi_flash_device(0, AT91_CHIPSELECT_0, 4 * 1024 * 1024, 0);
|
|
|
|
devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
|
|
devfs_add_partition("nor0", 0x40000, 0x10000, DEVFS_PARTITION_FIXED, "env0");
|
|
|
|
armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
|
|
armlinux_set_architecture(MACH_TYPE_PM9261);
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(pm9261_devices_init);
|
|
|
|
static int pm9261_console_init(void)
|
|
{
|
|
at91_register_uart(0, 0);
|
|
return 0;
|
|
}
|
|
console_initcall(pm9261_console_init);
|