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-omap1/board-generic.c
  3  *
  4  * Modified from board-innovator1510.c
  5  *
  6  * Code for generic OMAP board. Should work on many OMAP systems where
  7  * the device drivers take care of all the necessary hardware initialization.
  8  * Do not put any board specific code to this file; create a new machine
  9  * type if you need custom low-level initializations.
 10  *
 11  * This program is free software; you can redistribute it and/or modify
 12  * it under the terms of the GNU General Public License version 2 as
 13  * published by the Free Software Foundation.
 14  */
 15 
 16 #include <linux/kernel.h>
 17 #include <linux/init.h>
 18 #include <linux/platform_device.h>
 19 
 20 #include <asm/hardware.h>
 21 #include <asm/mach-types.h>
 22 #include <asm/mach/arch.h>
 23 #include <asm/mach/map.h>
 24 
 25 #include <asm/arch/gpio.h>
 26 #include <asm/arch/mux.h>
 27 #include <asm/arch/usb.h>
 28 #include <asm/arch/board.h>
 29 #include <asm/arch/common.h>
 30 
 31 static void __init omap_generic_init_irq(void)
 32 {
 33         omap1_init_common_hw();
 34         omap_init_irq();
 35 }
 36 
 37 /* assume no Mini-AB port */
 38 
 39 #ifdef CONFIG_ARCH_OMAP15XX
 40 static struct omap_usb_config generic1510_usb_config __initdata = {
 41         .register_host  = 1,
 42         .register_dev   = 1,
 43         .hmc_mode       = 16,
 44         .pins[0]        = 3,
 45 };
 46 #endif
 47 
 48 #if defined(CONFIG_ARCH_OMAP16XX)
 49 static struct omap_usb_config generic1610_usb_config __initdata = {
 50 #ifdef CONFIG_USB_OTG
 51         .otg            = 1,
 52 #endif
 53         .register_host  = 1,
 54         .register_dev   = 1,
 55         .hmc_mode       = 16,
 56         .pins[0]        = 6,
 57 };
 58 #endif
 59 
 60 static struct omap_uart_config generic_uart_config __initdata = {
 61         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 62 };
 63 
 64 static struct omap_board_config_kernel generic_config[] __initdata = {
 65         { OMAP_TAG_USB,         NULL },
 66         { OMAP_TAG_UART,        &generic_uart_config },
 67 };
 68 
 69 static void __init omap_generic_init(void)
 70 {
 71 #ifdef CONFIG_ARCH_OMAP15XX
 72         if (cpu_is_omap15xx()) {
 73                 generic_config[0].data = &generic1510_usb_config;
 74         }
 75 #endif
 76 #if defined(CONFIG_ARCH_OMAP16XX)
 77         if (!cpu_is_omap1510()) {
 78                 generic_config[0].data = &generic1610_usb_config;
 79         }
 80 #endif
 81 
 82         omap_board_config = generic_config;
 83         omap_board_config_size = ARRAY_SIZE(generic_config);
 84         omap_serial_init();
 85         omap_register_i2c_bus(1, 100, NULL, 0);
 86 }
 87 
 88 static void __init omap_generic_map_io(void)
 89 {
 90         omap1_map_common_io();
 91 }
 92 
 93 MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
 94         /* Maintainer: Tony Lindgren <tony@atomide.com> */
 95         .phys_io        = 0xfff00000,
 96         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 97         .boot_params    = 0x10000100,
 98         .map_io         = omap_generic_map_io,
 99         .init_irq       = omap_generic_init_irq,
100         .init_machine   = omap_generic_init,
101         .timer          = &omap_timer,
102 MACHINE_END
103 
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