1/* 2 * linux/arch/arm/mach-at91/board-sam9-l9260.c 3 * 4 * Copyright (C) 2005 SAN People 5 * Copyright (C) 2006 Atmel 6 * Copyright (C) 2007 Olimex Ltd 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23#include <linux/types.h> 24#include <linux/init.h> 25#include <linux/mm.h> 26#include <linux/module.h> 27#include <linux/platform_device.h> 28#include <linux/spi/spi.h> 29 30#include <mach/hardware.h> 31#include <asm/setup.h> 32#include <asm/mach-types.h> 33#include <asm/irq.h> 34 35#include <asm/mach/arch.h> 36#include <asm/mach/map.h> 37#include <asm/mach/irq.h> 38 39#include <mach/board.h> 40#include <mach/gpio.h> 41#include <mach/at91sam9_smc.h> 42 43#include "sam9_smc.h" 44#include "generic.h" 45 46 47static void __init ek_map_io(void) 48{ 49 /* Initialize processor: 18.432 MHz crystal */ 50 at91sam9260_initialize(18432000); 51 52 /* Setup the LEDs */ 53 at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6); 54 55 /* DBGU on ttyS0. (Rx & Tx only) */ 56 at91_register_uart(0, 0, 0); 57 58 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ 59 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS 60 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD 61 | ATMEL_UART_RI); 62 63 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */ 64 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); 65 66 /* set serial console to ttyS0 (ie, DBGU) */ 67 at91_set_serial_console(0); 68} 69 70static void __init ek_init_irq(void) 71{ 72 at91sam9260_init_interrupts(NULL); 73} 74 75 76/* 77 * USB Host port 78 */ 79static struct at91_usbh_data __initdata ek_usbh_data = { 80 .ports = 2, 81}; 82 83/* 84 * USB Device port 85 */ 86static struct at91_udc_data __initdata ek_udc_data = { 87 .vbus_pin = AT91_PIN_PC5, 88 .pullup_pin = 0, /* pull-up driven by UDC */ 89}; 90 91 92/* 93 * SPI devices. 94 */ 95static struct spi_board_info ek_spi_devices[] = { 96#if !defined(CONFIG_MMC_AT91) 97 { /* DataFlash chip */ 98 .modalias = "mtd_dataflash", 99 .chip_select = 1, 100 .max_speed_hz = 15 * 1000 * 1000, 101 .bus_num = 0, 102 }, 103#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) 104 { /* DataFlash card */ 105 .modalias = "mtd_dataflash", 106 .chip_select = 0, 107 .max_speed_hz = 15 * 1000 * 1000, 108 .bus_num = 0, 109 }, 110#endif 111#endif 112}; 113 114 115/* 116 * MACB Ethernet device 117 */ 118static struct at91_eth_data __initdata ek_macb_data = { 119 .phy_irq_pin = AT91_PIN_PA7, 120 .is_rmii = 0, 121}; 122 123 124/* 125 * NAND flash 126 */ 127static struct mtd_partition __initdata ek_nand_partition[] = { 128 { 129 .name = "Bootloader Area", 130 .offset = 0, 131 .size = 10 * SZ_1M, 132 }, 133 { 134 .name = "User Area", 135 .offset = MTDPART_OFS_NXTBLK, 136 .size = MTDPART_SIZ_FULL, 137 }, 138}; 139 140static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) 141{ 142 *num_partitions = ARRAY_SIZE(ek_nand_partition); 143 return ek_nand_partition; 144} 145 146static struct atmel_nand_data __initdata ek_nand_data = { 147 .ale = 21, 148 .cle = 22, 149// .det_pin = ... not connected 150 .rdy_pin = AT91_PIN_PC13, 151 .enable_pin = AT91_PIN_PC14, 152 .partition_info = nand_partitions, 153}; 154 155static struct sam9_smc_config __initdata ek_nand_smc_config = { 156 .ncs_read_setup = 0, 157 .nrd_setup = 1, 158 .ncs_write_setup = 0, 159 .nwe_setup = 1, 160 161 .ncs_read_pulse = 3, 162 .nrd_pulse = 3, 163 .ncs_write_pulse = 3, 164 .nwe_pulse = 3, 165 166 .read_cycle = 5, 167 .write_cycle = 5, 168 169 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, 170 .tdf_cycles = 2, 171}; 172 173static void __init ek_add_device_nand(void) 174{ 175 /* configure chip-select 3 (NAND) */ 176 sam9_smc_configure(3, &ek_nand_smc_config); 177 178 at91_add_device_nand(&ek_nand_data); 179} 180 181 182/* 183 * MCI (SD/MMC) 184 */ 185static struct at91_mmc_data __initdata ek_mmc_data = { 186 .slot_b = 1, 187 .wire4 = 1, 188 .det_pin = AT91_PIN_PC8, 189 .wp_pin = AT91_PIN_PC4, 190// .vcc_pin = ... not connected 191}; 192 193static void __init ek_board_init(void) 194{ 195 /* Serial */ 196 at91_add_device_serial(); 197 /* USB Host */ 198 at91_add_device_usbh(&ek_usbh_data); 199 /* USB Device */ 200 at91_add_device_udc(&ek_udc_data); 201 /* SPI */ 202 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); 203 /* NAND */ 204 ek_add_device_nand(); 205 /* Ethernet */ 206 at91_add_device_eth(&ek_macb_data); 207 /* MMC */ 208 at91_add_device_mmc(0, &ek_mmc_data); 209 /* I2C */ 210 at91_add_device_i2c(NULL, 0); 211} 212 213MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260") 214 /* Maintainer: Olimex */ 215 .phys_io = AT91_BASE_SYS, 216 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 217 .boot_params = AT91_SDRAM_BASE + 0x100, 218 .timer = &at91sam926x_timer, 219 .map_io = ek_map_io, 220 .init_irq = ek_init_irq, 221 .init_machine = ek_board_init, 222MACHINE_END 223