1/* 2 * linux/arch/arm/mach-at91/board-csb337.c 3 * 4 * Copyright (C) 2005 SAN People 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21#include <linux/types.h> 22#include <linux/init.h> 23#include <linux/mm.h> 24#include <linux/module.h> 25#include <linux/platform_device.h> 26#include <linux/spi/spi.h> 27#include <linux/mtd/physmap.h> 28 29#include <asm/hardware.h> 30#include <asm/setup.h> 31#include <asm/mach-types.h> 32#include <asm/irq.h> 33 34#include <asm/mach/arch.h> 35#include <asm/mach/map.h> 36#include <asm/mach/irq.h> 37 38#include <asm/arch/board.h> 39#include <asm/arch/gpio.h> 40 41#include "generic.h" 42 43 44/* 45 * Serial port configuration. 46 * 0 .. 3 = USART0 .. USART3 47 * 4 = DBGU 48 */ 49static struct at91_uart_config __initdata csb337_uart_config = { 50 .console_tty = 0, /* ttyS0 */ 51 .nr_tty = 2, 52 .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ 53}; 54 55static void __init csb337_map_io(void) 56{ 57 /* Initialize processor: 3.6864 MHz crystal */ 58 at91rm9200_initialize(3686400, AT91RM9200_BGA); 59 60 /* Setup the LEDs */ 61 at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1); 62 63 /* Setup the serial ports and console */ 64 at91_init_serial(&csb337_uart_config); 65} 66 67static void __init csb337_init_irq(void) 68{ 69 at91rm9200_init_interrupts(NULL); 70} 71 72static struct at91_eth_data __initdata csb337_eth_data = { 73 .phy_irq_pin = AT91_PIN_PC2, 74 .is_rmii = 0, 75}; 76 77static struct at91_usbh_data __initdata csb337_usbh_data = { 78 .ports = 2, 79}; 80 81static struct at91_udc_data __initdata csb337_udc_data = { 82 // this has no VBUS sensing pin 83 .pullup_pin = AT91_PIN_PA24, 84}; 85 86static struct at91_cf_data __initdata csb337_cf_data = { 87 /* 88 * connector P4 on the CSB 337 mates to 89 * connector P8 on the CSB 300CF 90 */ 91 92 /* CSB337 specific */ 93 .det_pin = AT91_PIN_PC3, 94 95 /* CSB300CF specific */ 96 .irq_pin = AT91_PIN_PA19, 97 .vcc_pin = AT91_PIN_PD0, 98 .rst_pin = AT91_PIN_PD2, 99}; 100 101static struct at91_mmc_data __initdata csb337_mmc_data = { 102 .det_pin = AT91_PIN_PD5, 103 .slot_b = 0, 104 .wire4 = 1, 105 .wp_pin = AT91_PIN_PD6, 106}; 107 108static struct spi_board_info csb337_spi_devices[] = { 109 { /* CAN controller */ 110 .modalias = "sak82c900", 111 .chip_select = 0, 112 .max_speed_hz = 6 * 1000 * 1000, 113 }, 114}; 115 116#define CSB_FLASH_BASE AT91_CHIPSELECT_0 117#define CSB_FLASH_SIZE 0x800000 118 119static struct mtd_partition csb_flash_partitions[] = { 120 { 121 .name = "uMON flash", 122 .offset = 0, 123 .size = MTDPART_SIZ_FULL, 124 .mask_flags = MTD_WRITEABLE, /* read only */ 125 } 126}; 127 128static struct physmap_flash_data csb_flash_data = { 129 .width = 2, 130 .parts = csb_flash_partitions, 131 .nr_parts = ARRAY_SIZE(csb_flash_partitions), 132}; 133 134static struct resource csb_flash_resources[] = { 135 { 136 .start = CSB_FLASH_BASE, 137 .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1, 138 .flags = IORESOURCE_MEM, 139 } 140}; 141 142static struct platform_device csb_flash = { 143 .name = "physmap-flash", 144 .id = 0, 145 .dev = { 146 .platform_data = &csb_flash_data, 147 }, 148 .resource = csb_flash_resources, 149 .num_resources = ARRAY_SIZE(csb_flash_resources), 150}; 151 152static void __init csb337_board_init(void) 153{ 154 /* Serial */ 155 at91_add_device_serial(); 156 /* Ethernet */ 157 at91_add_device_eth(&csb337_eth_data); 158 /* USB Host */ 159 at91_add_device_usbh(&csb337_usbh_data); 160 /* USB Device */ 161 at91_add_device_udc(&csb337_udc_data); 162 /* I2C */ 163 at91_add_device_i2c(); 164 /* Compact Flash */ 165 at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */ 166 at91_add_device_cf(&csb337_cf_data); 167 /* SPI */ 168 at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices)); 169 /* MMC */ 170 at91_add_device_mmc(0, &csb337_mmc_data); 171 /* NOR flash */ 172 platform_device_register(&csb_flash); 173} 174 175MACHINE_START(CSB337, "Cogent CSB337") 176 /* Maintainer: Bill Gatliff */ 177 .phys_io = AT91_BASE_SYS, 178 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 179 .boot_params = AT91_SDRAM_BASE + 0x100, 180 .timer = &at91rm9200_timer, 181 .map_io = csb337_map_io, 182 .init_irq = csb337_init_irq, 183 .init_machine = csb337_board_init, 184MACHINE_END 185