diff options
Diffstat (limited to 'arch/arm/boards/at91sam9263ek/init.c')
-rw-r--r-- | arch/arm/boards/at91sam9263ek/init.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/arm/boards/at91sam9263ek/init.c b/arch/arm/boards/at91sam9263ek/init.c new file mode 100644 index 0000000000..21803ca3b5 --- /dev/null +++ b/arch/arm/boards/at91sam9263ek/init.c @@ -0,0 +1,143 @@ +/* + * Copyright (C) 2009 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. + * + * 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 <common.h> +#include <net.h> +#include <init.h> +#include <environment.h> +#include <asm/armlinux.h> +#include <asm/mach-types.h> +#include <partition.h> +#include <fs.h> +#include <fcntl.h> +#include <asm/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> + +static struct atmel_nand_data nand_pdata = { + .ale = 21, + .cle = 22, +/* .det_pin = ... not connected */ + .ecc_base = (void __iomem *)(AT91_BASE_SYS + AT91_ECC0), + .ecc_mode = NAND_ECC_HW, + .rdy_pin = AT91_PIN_PA22, + .enable_pin = AT91_PIN_PD15, +#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +static struct sam9_smc_config 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, + .tdf_cycles = 2, +}; + +static void ek_add_device_nand(void) +{ + /* setup bus-width (8 or 16) */ + if (nand_pdata.bus_width_16) + ek_nand_smc_config.mode |= AT91_SMC_DBW_16; + else + ek_nand_smc_config.mode |= AT91_SMC_DBW_8; + + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(3, &ek_nand_smc_config); + + at91_add_device_nand(&nand_pdata); +} + +static struct device_d cfi_dev = { + .name = "cfi_flash", + .map_base = AT91_CHIPSELECT_0, + .size = 8 * 1024 * 1024, +}; + +static struct at91_ether_platform_data macb_pdata = { + .flags = AT91SAM_ETHER_RMII, + .phy_addr = 0, +}; + +static int at91sam9263ek_devices_init(void) +{ + /* + * PB27 enables the 50MHz oscillator for Ethernet PHY + * 1 - enable + * 0 - disable + */ + at91_set_gpio_output(AT91_PIN_PB27, 1); + at91_set_gpio_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */ + + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); + + at91_add_device_sdram(64 * 1024 * 1024); + ek_add_device_nand(); + at91_add_device_eth(&macb_pdata); + register_device(&cfi_dev); + +#if defined(CONFIG_DRIVER_CFI) || defined(CONFIG_DRIVER_CFI_OLD) + devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self"); + devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0"); +#elif defined(CONFIG_NAND_ATMEL) + devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw"); + dev_add_bb_dev("self_raw", "self0"); + devfs_add_partition("nand0", 0x40000, 0x40000, PARTITION_FIXED, "env_raw"); + dev_add_bb_dev("env_raw", "env0"); +#endif + + armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100)); + armlinux_set_architecture(MACH_TYPE_AT91SAM9263EK); + + return 0; +} + +device_initcall(at91sam9263ek_devices_init); + +static int at91sam9263ek_console_init(void) +{ + at91_register_uart(0, 0); + return 0; +} + +console_initcall(at91sam9263ek_console_init); |