Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * linux/arch/arm/mach-at91/board-kafa.c
  3  *
  4  *  Copyright (C) 2006 Sperry-Sun
  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 
 27 #include <mach/hardware.h>
 28 #include <asm/setup.h>
 29 #include <asm/mach-types.h>
 30 #include <asm/irq.h>
 31 
 32 #include <asm/mach/arch.h>
 33 #include <asm/mach/map.h>
 34 #include <asm/mach/irq.h>
 35 
 36 #include <mach/board.h>
 37 #include <mach/gpio.h>
 38 
 39 #include "generic.h"
 40 
 41 
 42 /*
 43  * Serial port configuration.
 44  *    0 .. 3 = USART0 .. USART3
 45  *    4      = DBGU
 46  */
 47 static struct at91_uart_config __initdata kafa_uart_config = {
 48         .console_tty    = 0,                            /* ttyS0 */
 49         .nr_tty         = 2,
 50         .tty_map        = { 4, 0, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
 51 };
 52 
 53 static void __init kafa_map_io(void)
 54 {
 55         /* Initialize processor: 18.432 MHz crystal */
 56         at91rm9200_initialize(18432000, AT91RM9200_PQFP);
 57 
 58         /* Set up the LEDs */
 59         at91_init_leds(AT91_PIN_PB4, AT91_PIN_PB4);
 60 
 61         /* Setup the serial ports and console */
 62         at91_init_serial(&kafa_uart_config);
 63 }
 64 
 65 static void __init kafa_init_irq(void)
 66 {
 67         at91rm9200_init_interrupts(NULL);
 68 }
 69 
 70 static struct at91_eth_data __initdata kafa_eth_data = {
 71         .phy_irq_pin    = AT91_PIN_PC4,
 72         .is_rmii        = 0,
 73 };
 74 
 75 static struct at91_usbh_data __initdata kafa_usbh_data = {
 76         .ports          = 1,
 77 };
 78 
 79 static struct at91_udc_data __initdata kafa_udc_data = {
 80         .vbus_pin       = AT91_PIN_PB6,
 81         .pullup_pin     = AT91_PIN_PB7,
 82 };
 83 
 84 static void __init kafa_board_init(void)
 85 {
 86         /* Serial */
 87         at91_add_device_serial();
 88         /* Ethernet */
 89         at91_add_device_eth(&kafa_eth_data);
 90         /* USB Host */
 91         at91_add_device_usbh(&kafa_usbh_data);
 92         /* USB Device */
 93         at91_add_device_udc(&kafa_udc_data);
 94         /* I2C */
 95         at91_add_device_i2c(NULL, 0);
 96         /* SPI */
 97         at91_add_device_spi(NULL, 0);
 98 }
 99 
100 MACHINE_START(KAFA, "Sperry-Sun KAFA")
101         /* Maintainer: Sergei Sharonov */
102         .phys_io        = AT91_BASE_SYS,
103         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
104         .boot_params    = AT91_SDRAM_BASE + 0x100,
105         .timer          = &at91rm9200_timer,
106         .map_io         = kafa_map_io,
107         .init_irq       = kafa_init_irq,
108         .init_machine   = kafa_board_init,
109 MACHINE_END
110 
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